The best vacuum sealer | Wirecutter's review

2021-11-11 07:28:26 By : Ms. Aries Tao

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We plan to test Anova Precision Sous Vide Vacuum Sealer Pro, and we will update this guide when we are done. Until then, we stick to our current choices.

There is nothing worse than reaching for a steak that was placed in the refrigerator a few weeks ago, and it turns out that it looks more like Jack Nicholson covered in icicles in The Shining than anything that can be remote Something to eat. A good vacuum sealer can avoid freezing burns and keep food fresh for longer. After months of sealing meat, nuts, biscuits and fruits, we believe that the Nesco American Harvest VS-12 vacuum sealer provides the best combination of powerful suction and practical functions.

This economical vacuum sealer has the suction power of a model that is twice the price. It also has multiple controls, so you can adjust how the food is sealed.

*At the time of publication, the price was $100.

Nesco VS-12 has all the features we were looking for in an excellent vacuum sealer: powerful suction, several useful control options, an accessory port (used to seal jars or cured meats with accessories), and the ability to create one Or two sealed on the bag. Nesco also has a cancel button to stop the machine halfway through. Compared to some of the models we tested, the lid is easy to lock into place, so you know you can get safe suction every time. We also appreciate the built-in stand for convenient storage of bag rolls and a sliding bag cutting machine that can quickly cut plastic to the size you want. The 12¼-inch sealing strip provides a safe closure for the bag. So far, our tests have kept freezing burns to a minimum. Nesco comes with two rolls of entry pockets, one measuring 8.7 inches x 9.85 inches and the other measuring 11 inches x 9.85 inches.

This model is the best choice if your kitchen does not have room for larger machines, or if you plan to vacuum seal food only occasionally.

The Anova precision vacuum sealer is one of the smallest models we have tested, so if you don’t have enough storage space, it is a good choice. Its streamlined design does not have the bells and whistles of our other options-such as accessory ports, bag cutters and bag storage-but Anova still allows you to pulse and vacuum seal. Since it is not as powerful as our main choice, we think Anova is best for occasional use or sous vide enthusiasts, but not for those who plan to seal meat and pantry on a regular basis.

This vacuum sealer provides you with more control options than most models under $100.

*At the time of publication, the price was $58.

Nesco VS-02 vacuum sealing machine is very popular because of its low price, various interfaces and strong suction power. Compared to most models in this price range, it provides you with more control options, including the option to extend the sealing time of wet foods that require a safer seal. Nesco's performance is as good as our previous runner-up, the now discontinued Gourmia GVS435. It has a slot for extra bags and a sliding bag cutter, while Gourmia does not. But Nesco is more difficult to shut down.

This economical vacuum sealer has the suction power of a model that is twice the price. It also has multiple controls, so you can adjust how the food is sealed.

*At the time of publication, the price was $100.

This model is the best choice if your kitchen does not have room for larger machines, or if you plan to vacuum seal food only occasionally.

This vacuum sealer provides you with more control options than most models under $100.

*At the time of publication, the price was $58.

In order to understand what makes an excellent vacuum sealer, we interviewed Janet Crandall, a chef instructor at LA Kitchen; she also served as executive chef and chief butcher at Wyebrook Farms in Honeybrook, Pennsylvania, butcher at Pat LaFrieda Meat Purveyors, and international Chef instructor in the cooking center. Crandall has extensive professional and personal experience in the use of various vacuum sealing machines (including Koch, VacMaster and FoodSaver models). In order to understand how vacuum sealers are affected at high altitudes, we interviewed Dr. Timothy A. Gessert, the founder of Gessert Consulting, who is also a member of the American Vacuum Association Short Course Committee.

I spent more than 50 hours researching and testing the vacuum sealer for this guide. As a senior staff writer at Wirecutter, I write reviews for various kitchen equipment and gadgets, including ovens, food processors, and cutting boards. As a former employee of the Education Department of the International Culinary Center, I have edited several textbooks and other educational materials on vacuum sealing, sous-vide cooking and low-temperature cooking.

Anyone who wants to extend the shelf life of food should consider buying a vacuum sealer. Vacuum sealing removes most of the oxygen around the food and slows down the deterioration process caused by the growth of aerobic bacteria. However, please note that vacuum-sealed perishable foods are still prone to some forms of bacteria, so they must be refrigerated or frozen. Most vacuum sealer manufacturers estimate that the shelf life of vacuum sealed food is three to five times the normal storage time, whether it is refrigerated or frozen. (To confirm these claims, we spoke with a representative of the USDA Meat and Poultry Hotline. Unfortunately, the USDA has not conducted research to confirm how long vacuum-sealed food can be kept in a refrigerator or freezer .) Always use your best judgment and follow the guidelines for safe food storage recommended by the USDA, whether vacuum-sealed or not.

If you often buy or store food in bulk, vacuum sealing provides a safer way of distribution and packaging than using containers, plastic wrap or zipper bags. If you seal raw protein (such as meat, poultry, and seafood) before freezing it, you can prevent freezing for longer. Chef Janet Crandall (Janet Crandall) said: “Usually, raw frozen meat can be stored safely for about six months to a year. Vacuuming can remove about 99% of the air, so the meat can be stored for about three years. "(Although Crandall admits that she has never put anything in the refrigerator for as long as three years.) For avid hunters or fishermen, longer storage times are especially important. In practical game handling: On-site to the refrigerator, the butcher Garizick explained, “If you photograph large animals like elk or moose, where you have some tonnage that you really need to store safely for a long time, I would recommend Vacuum packaging." Even if you store a few pounds of ground meat at a time, vacuum sealing helps prevent oxidation, thereby maintaining its color and integrity.

Vacuum sealing is also a convenient way to store fruits and vegetables at the peak of their maturity in your garden or local farmers’ market. For example, fresh berries can be frozen and vacuum sealed for use in pies in the middle of winter. The absence of air in the vacuum-sealed bag will also slow down the deterioration or rancidity of pantry items (such as biscuits and nuts).

If you often buy or store food in bulk, vacuum sealing provides a safer way of distribution and packaging than using containers, plastic wrap or zipper bags.

You can use the vacuum sealer for a variety of cooking applications, including quick pickling. If you like sous-vide cooking, the vacuum sealer ensures that you can safely seal the bagged food before putting it in the circulating water bath. (Depending on the strength of suction, vacuum sealing can have a negative effect on the texture of proteins, especially fish and chicken. Dave Arnold, owner and partner of Booker and Dax, a food science development company in New York City, discusses this issue in a blog post for International Cooking Center.) Some people also use marinating jars with vacuum sealers, believing that this can "speed up" the marinating time of meat or poultry. However, according to this blog post by Dr. Greg Blonder, professor of design and product engineering at Boston University, vacuum-sealing marinated meat will not speed up the process, between the meat marinated using a vacuum sealer and the meat marinated using a vacuum sealer There is no obvious difference. Self-cured meat.

There are three main types of vacuum sealing machines: handheld valve sealing machines, external vacuum sealing machines and chamber vacuum sealing machines. This is a summary:

The hand-held vacuum sealer removes air through a valve on a special zipper bag. However, because these models are very small, their vacuum strength is much lower than external and chamber vacuum sealing machines. In his comment, Cook’s illustration (subscription required) found that the bag seals were weak and said: “It is difficult to determine whether they are closed or not. Once closed, a firm push may break the seal.” Due to the rating of the valve sealer Not high, so we chose not to test it against this guide (although most of the external models we tested included an accessory port that allowed the valve to be sealed).

When using an external vacuum sealer, you put the edge of the bag mouth into the narrow chamber above the sealing strip (see the section on how to vacuum seal the bag at the bottom of this guide). After closing the lid and locking it in place, the vacuum pump draws air directly from the bag. When most of the air is removed, the sealing strip melts and closes the plastic bag to seal its contents. External models need to use a "quilted" bag so that air can be sucked in through the material during the vacuuming process (you can buy a pre-made bag or cut into a continuous roll of a certain size). If you want to seal things like mason jars, you will need additional accessories.

The vacuum power of the external model is smaller than that of the closed chamber sealer, and the sound is louder. You usually also need to wait 20 to 60 seconds between seals to avoid overheating the device. And the liquid needs to be frozen before sealing to prevent moisture from being sucked into the vacuum motor and causing damage to the machine. But an external vacuum sealer is sufficient for most tasks, unless you plan to dispense and pack large amounts of food at once. They are by far the most popular choice for home use because they are relatively small, reasonably priced, and widely available. For these reasons, we only tested the external vacuum sealer in this guide.

Using the chamber vacuum sealer, you place the entire bag in the chamber with its lip above the sealing strip. When you close the lid and turn on the vacuum pump, air will be sucked out of the chamber, thereby removing all air in the bag. Once the air is removed, the machine heat-seals the bag, the pump stops, and normal air pressure returns to the chamber.

Unless you plan to dispense and pack large amounts of food at once, an external vacuum sealer is sufficient for most tasks.

The chamber vacuum sealing machine has a powerful motor that is quieter than the external sealing machine. They are most suitable for long-term use because they do not require that long rest time between seals. Another advantage is that the liquid does not need to be frozen before sealing. Most models have a chamber large enough to hold a pint mason jar, so they don't need any additional accessories to seal the jar. Although chamber models have many advantages over external machines, they are very expensive (usually US$700 to $1,000), bulky and take up a lot of space. Some require additional maintenance (such as pump oil), while most are for professional use. Unless you are an avid hunter who wants to seal a lot of meat at once, we recommend that you use an external vacuum sealer. (If the chamber vacuum sealing machine looks right for you, please check our recommendations here.)

The following is a list of the most important qualities we look for when selecting the vacuum sealing machine to test:

Most manufacturers use inches of mercury (inHg) to indicate the vacuum strength of their sealants. The more inHg reached, the stronger the suction. In this guide, we tested external models that were determined to be 13 to 25 inHg; all of them were able to fully vacuum seal the bag. Please keep in mind that depending on the inHg that your vacuum sealer can reach, its function in high altitude areas may be different due to changes in atmospheric pressure. That is to say, after talking with Timothy A. Gessert, the founder of Gessert Consulting, who is also a member of the American Vacuum Association, we think using our choice (or most external vacuum sealers) in high altitude areas.

The manual or pulse button is one of the most important controls that a vacuum sealer should have. It allows you to slowly pulse the vacuum while sealing delicate foods such as berries, chips and biscuits, so you can stop before they are crushed. If you don't want to risk smashing them, you can also freeze some delicate foods, such as angel cakes, before sealing. We also prefer models with a cancel button, which allows you to stop the vacuum or seal cycle at any time.

Some models allow you to control the vacuum pressure by switching between mild or normal pressure. The gentle setting uses less pressure, so you won't damage delicate items such as biscuits. The normal setting uses full pressure, which is most suitable for food storage room items such as nuts or brown sugar. Other useful controls include wet and dry modes. The wet mode extends the sealing time to ensure a safer shutdown. The dry seal is normal.

Most external vacuum sealers have an accessory port for various accessories, which are usually sold separately. A tube or hand-held sealing accessory is connected to the port and can be used for various accessories, including jar accessories for sealing wide-mouth cans, pickling cans for quick curing of meat, or for removing air from opened bottles Corked wine. (Note: The use of a vacuum-sealed canister accessory can not replace water-bath canning. For more information, please refer to the US Department of Agriculture's Complete Guide to Home Canning.) Brand) Compatible with most models, including our selection. This means that if you decide to buy a new machine, you will not need to buy a brand new device battery.

The chamber vacuum sealer does not require any additional accessories, such as jar accessories, because the standard pint mason jar will be installed directly in the chamber. In addition, since you can seal liquids in the chamber vacuum sealer, you don't need to freeze them first or use pickling jars.

All external vacuum sealers have a channel in the chamber to collect any excess liquid spilled during the sealing process. Some models, such as those made by FoodSaver, have a detachable drip tray in the chamber that can catch any stray liquid escaping from the bag when it is sealed. Although this feature is not absolutely necessary, it makes cleaning easier.

Ideally, a good vacuum sealer should be able to accommodate a certain range of bag widths. For most home cooks, an external model with 11 to 12 inches wide sealing strip is sufficient. Chamber vacuum sealers can accommodate a wider range of bag sizes, which makes them ideal for packaging larger meats, such as roasts. Depending on the size of the chamber, it can also seal multiple bags at once.

We prefer a vacuum sealer with a dedicated slot for storing additional bag rolls and a bag cutter for custom bag size (the built-in cutter allows you to determine the bag size faster than using scissors). Although these features increase the overall size of the device, we believe that this is a reasonable trade-off to increase convenience.

Generally speaking, the sound of the external model will be much louder than the sound of the chamber vacuum sealer: on average, in our tests, most external vacuum sealers measured between 70 and 83 decibels (dBA) , Which is similar to the sound of a vacuum cleaner. We have not tested the chamber vacuum sealers in this guide, but some of our employees have used them and found that they are much quieter in operation than external models. We also read reviews online and watched videos to see how sound levels compare.

Prices for household vacuum sealers range from US$25 to US$750, but we focus our search on external vacuum sealers that cost between US$70 and US$400. Generally speaking, machines with less than $100 have smaller motors, lower vacuum strength, and fewer controls (such as pulse buttons for delicate food). These cheaper models usually do not have a built-in bag cutter and storage space for bag rolls. Models in the range of US$100 to US$200 are the best choices: they usually have larger motors, higher vacuum strength, more control options (such as pulse, pressure, and cancel functions), a built-in bag cutting machine and Used for storage of bag rolls. Machines priced at $200 and above usually have the same features as models in the range of $100 to $200. However, most of these machines have larger motors that can generate greater vacuum strength, which is not always necessary for home use. Some also have extra-long sealing strips to accommodate larger bag sizes (in some cases, up to 15 inches).

We conducted a series of tests on 10 vacuum sealers for this guide. First, we seal the bone-in pork chops and minced burgers. After those who stayed in the refrigerator for a month, we checked the seals of the bags to see if there were any seal failures, or if freezing burns affected the meat. (Note: This test is being performed on the Anova precision vacuum sealer. We started testing the latest update in November 2019. We will continue to monitor the sealed bags in the next two months and update this guide accordingly.) We also freeze I took 2 glasses of water and vacuum-sealed the ice cubes to observe the extent to which the bag seal can hold the liquid after the ice cubes have melted. Then, we conducted a sous vide test, placing the bags in a water bath with an immersion circulator to see if their seals were intact when heated to 190°F for 10 minutes (spoiler warning: no seals broken ).

In order to understand the ability of the vacuum sealer to suck out irregularly shaped food, we sealed a cup of walnuts with each model. We also tested these machines to see if they can vacuum seal delicate items such as raspberries, biscuits and potato chips without crushing them. We use a sound level meter to measure the noise level of the machine during operation. In addition, we tested the effectiveness of the FoodSaver jar (now discontinued) and the marinade accessory, similar to the updated FoodSaver marinade and vacuum container, which are compatible with our two finalists with accessory ports. We also used bags from various manufacturers to see if they affected the suction and sealing performance of each model we tested.

Throughout the process, we paid attention to how much counter space each model occupies. We also noticed the amount of plastic wasted between the seal and the edge of the bag, and the time required for each model to suck and seal the bag from start to finish (it depends on what you pack). Finally, we tested the machine with bags of different brands to see if this had any effect on its suction performance.

This economical vacuum sealer has the suction power of a model that is twice the price. It also has multiple controls, so you can adjust how the food is sealed.

*At the time of publication, the price was $100.

The Nesco American Harvest VS-12 vacuum sealer is the best vacuum sealer we have tested so far. Its powerful suction capabilities and extensive control options-including the option to create a double seal on the bag-are rare features of this price range model. Nesco also has a built-in sliding bag cutter and a slot for storing bag rolls. The wide handle on the lid makes this model easier to close than other models that require more effort to push and click into place. We also like Nesco's easy-to-manage size, it doesn't take up much space in the counter or cabinet.

Nesco provides many controls, which is unusual for a machine at this price.

We were very impressed with Nesco's powerful vacuum cleaner, especially for a machine that sold for only about $100 (at the time of publication). According to a representative we interviewed at Nesco American Harvest, this model can reach 25.1 inches of mercury, which means it has an amazingly strong suction power (the most powerful vacuum sealer has a slightly higher suction force, about 29 inches of mercury. ). After a month in the refrigerator, our sealed ground beef and pork chops seemed to have the smallest freeze burns. After three months, the meat looked comparable to the meat of most other models we tested.

Nesco provides many controls, which is unusual for a machine at this price. It can choose wet seal or dry seal (wet mode extends the sealing time to ensure a safer closure, while dry mode seals normally) and normal or mild pressure. It also has a pulse button that allows you to manually control the vacuum to pack fragile foods such as potato chips or biscuits. If there is no pulse button, these delicate foods will be crushed by vacuum suction. We also like the cancel button, which allows you to stop the machine at any time. We found that Nesco's film-covered buttons are easier to wipe clean than the buttons on the FoodSaver model, which tend to sink into grit. The control lights up when activated and closes when the cycle is complete, so you always know when you can safely open the lid.

In addition, Nesco can form a double seal on the bag, which is a good choice for safely holding food with more moisture. You can also use the machine to seal other plastic bags, such as potato chip bags (although the vacuum function does not work for these plastic bags). Nesco no longer sells its own accessory port accessory series, but most FoodSaver accessories are also suitable for this machine.

Other features we like include slots for storing bags and a built-in sliding bag cutter, which is much faster than manually cutting bags with scissors. The handle on the lid makes this model one of the easiest to close and lock. We prefer it to a sealing machine like our runner-up choice Nesco VS-02. It has no handle and requires a lot of effort to manually close the lid completely before vacuuming. The size of Nesco is approximately 15¾ x 8 x 6⅛ inches, which is a very manageable size. It weighs just over 6 pounds and is light enough to move around, especially when you store it in a tall cabinet.

There are two rolls of entry pockets in the Nesco box, one measuring 8.7 inches x 9.85 feet, and the other measuring 11 inches x 9.85 feet. You can buy more bags through the company's website, or use FoodSaver bags, which are available in most large stores.

According to our contact at Nesco American Harvest, the company provides a full range of replacement parts for this machine. Nesco provides a one-year manufacturer's warranty, which includes the cost of any new parts sent from its internal repair department.

Nesco does not have a removable drip tray in the vacuum chamber channel, just like the FoodSaver model we tested. If the liquid enters the chamber when it is sealed, it must be removed with a paper towel, which is somewhat inconvenient. However, the channel is deeper than many models we tested, which means that liquid is less likely to be sucked into the vacuum pump and damage your machine.

All external vacuum sealers are very noisy, and Nesco is no exception. In our tests, it measured 78 dBA during the loudest part of the vacuuming cycle, which is about the same as the noise level of a vacuum cleaner. This is very similar to the other models we tested, averaging between 73 and 78 dBA (the quietest model we tested was the 72 dBA FoodSaver GameSaver Titanium Vacuum Sealer (now discontinued), and the loudest was the 83 FoodSaver FM2000- FFP decibels).

Although the typical warranty period for most vacuum sealers (including more expensive chamber models) is one year, we hope it will be longer. However, since Nesco offers more features than most vacuum sealers at a fairly low price, we are willing to forgive this small shortcoming.

This vacuum sealer provides you with more control options than most models under $100.

*At the time of publication, the price was $58.

The Nesco VS-02 vacuum sealer provides a series of useful controls that are not commonly found in such cheap models, including the option to extend the sealing time. This model also has a bag storage function and a sliding bag cutting machine. Although the vacuum strength of the VS-02 is slightly lower than our main Nesco choice (it can reach 22.15 inches of mercury, which is slightly lower than the 25.1 inches of mercury of the VS-12 model), it did not negatively affect our sealed bags . We used VS-02 packaged pork chops and ground beef in the freezer compartment of our test kitchen and remained sealed after three months, and the model did a good job of removing air in the crevices of walnuts.

Because the lid does not have a handle, closing it requires more effort than Nesco V-12. Before sealing, you must push the lid down with a lot of force to lock it in place. However, considering that this model is very cheap, we think that closing the lid is a minor inconvenience. Nesco measures 18.31 x 5.06 x 11.81 inches. This is larger than our previous runner-up, now discontinued Gourmia GVS435, and is comparable to our preferred product, so it takes up more counter space. There was also no pulse control, so the biscuits broke when sealed. We recommend freezing delicate foods such as berries or baked goods first to avoid crushing them.

This model is the best choice if your kitchen does not have room for larger machines, or if you plan to vacuum seal food only occasionally.

The Anova precision vacuum sealer lacks many of the functions of our other products, but if you don’t use it often or you don’t have room for a larger machine, its streamlined design may be what you need. kitchen. It is one of the quietest models we have tested. It can be safely sealed and will not fail within one month in the freezer. The lid on Anova is easier to close than the lid on our budget Nesco VS-02, and it has a pulse button for vacuum sealing delicate food, which Nesco VS-02 does not have.

Because it is very narrow (approximately 15¼ x 2½ x 4 inches), Anova can be easily placed in a drawer or shelf without taking up too much space. However, part of the trade-off with its slim design is the lack of bag storage and sliding bag cutters, which means you must use scissors to cut the bag manually. However, if you don't plan to use Anova for extensive meal preparation, we don't think this will break the deal.

Anova also does not have all the bells and whistles of Nesco VS-12, such as controls for adjusting the vacuum intensity, cancel buttons, buttons to create a double seal on the bag, and accessory ports. But the fact that it lacks these features is not necessarily a bad thing-its simplicity may be just what you need for occasional use. Although there are other basic (and cheaper) models, such as FoodSaver FM2000-FFP, they usually do not provide any control other than vacuuming and sealing, and they tend to be very noisy. In contrast, Anova has a pulse button (used to seal delicate items), which is one of the quietest models we have tested.

Unlike Nesco VS-02, Anova only needs slight pressure to close, the latter requires more effort to lock in place. Anova's 12-inch seal is also half an inch longer than Nesco VS-12, so you can use a slightly wider bag. The analysis of variance seals the bag in approximately 21 seconds, which is comparable to Nesco VS-02. According to a representative we interviewed at Anova Culinary, this model can reach 13 inHg, but even though it does not have the suction power of Nesco VS-12 (which can reach 25.1 inHg), it is still sufficient from all our sealed bags.

Anova offers an impressive five-year limited warranty. If your model has a problem during the warranty period, please contact Anova.

FoodSaver is undoubtedly the most well-known manufacturer of external vacuum sealing machines. You may have seen this brand in most large stores or QVC. Of all the FoodSaver models we tested, we like the FM3920-ECR the most (now discontinued), but it still lacks some of the key features we liked in the main selection, including a dedicated pulse button for sealing fragile items, Otherwise these items will be crushed under normal suction. Instead, you must press the vacuum button to pause the machine, and then press it again to start it. This model also has no method to control the vacuum pressure, and our selection allows you to choose between normal pressure or mild pressure. In the end, the FM3920-ERC is more costly and has fewer features than our main option. We also tested many other FoodSaver models (including the company's 2000, 4000 and 5000 series models), but we also encountered similar complaints.

To be clear, all FoodSavers vacuumed and sealed the bag well in our tests. But a representative of FoodSaver told us that the 3000 and 5000 series machines “operate on a pressure switch, and when all air is removed and a full vacuum is reached at 15 inches of mercury, the switch stops pumping vacuum.” This is better than us. The main selection pressure is much smaller, the latter has a pressure of 25.1 inches of mercury.

In other words, all FoodSaver products come with a five-year warranty. If you spend more to get a longer warranty but have fewer features for you, then you may want to consider buying a FoodSaver vacuum sealer.

Although we cannot test any chamber vacuum sealer against this guide, VacMaster is a brand that appears time and time again in our research. Many of our employees have used VacMaster in professional environments, including Wirecutter senior staff writer Lesley Stockton, a front-line chef, who said: “I like to use VacMaster sealers in restaurant kitchens. They make the storage of meat and fish changes. It’s easier and cleaner.” For those who want a more powerful household machine, we recommend VacMaster VP210 or VacMaster VP215. Both models have a double sealing strip, but the VP215 is more suitable for professional use because it has a rotary oil pump that requires maintenance. We think VP210 is more suitable for home use because its dual piston pump is fully automatic and does not require oil changes. According to the customer service representatives we interviewed at VacMaster, the sealing speed of VP210 is about 10 seconds slower than that of VP215.

Like all chamber vacuum sealers, the VacMaster model is too expensive for most people (approximately US$700 to US$1,000). However, they are well-built machines for frequent use, and they are highly rated. As mentioned earlier in this guide, we believe that these vacuum sealers are best suited for avid hunters or fishermen who want a machine that can pack multiple pounds of protein at a time.

The following is a walkthrough of how to use an external model to make and vacuum seal the bag (remember, you can only use the channel bag on the external vacuum sealer, like this):

The most important thing to remember when using an external vacuum sealer is that you cannot pack liquids. Most manufacturers recommend freezing liquids or liquid dishes (such as soups and stews) before vacuum sealing to prevent them from being drawn directly into the pump, which may damage your machine. Excessive moisture in the bag can also cause a poor seal. Some manufacturers, such as FoodSaver, sell liquid block vacuum-sealed bags to prevent the liquid from the moist meat block from leaking into the chamber area, but they are expensive. You can place a folded paper towel near the edge of the bag to absorb the liquid in the meat, but this will weaken the suction. We have found that it is best to pat the meat dry with a paper towel before putting it in the bag. You can also partially freeze the meat before sealing. If liquid does enter the chamber, use paper towels to remove as much liquid as possible from the chamber channels before proceeding to vacuum seal more bags.

When the lid is closed, the foam gaskets above and below the periphery of the vacuum chamber are clamped together to form a tight seal for the vacuum. Avoid locking the cover in the closed position when the machine is not in use, otherwise the gasket will be damaged. If the gasket is compressed due to prolonged closure, the machine will not be able to produce proper suction. The Teflon tape covering the heating element will also degrade over time. Many manufacturers (including our preferred manufacturer) provide replacement gaskets and tapes that are covered by the warranty or can be purchased separately by calling customer service.

When sealing, make sure that the bag is flat and free of wrinkles, otherwise it will cause improper sealing. Remember that all external models require a special quilted bag with channels to help draw air out of the bag. Do not use the smooth bag used for the chamber vacuum sealer, otherwise the machine will not be able to suck.

The bag can be washed and reused, especially for food storage rooms such as potato chips, nuts or biscuits. However, we will proceed with caution and use fresh bags when packing raw meat. In addition, for best results, you should avoid sealing certain fruits and vegetables that naturally release ethylene gas, as they will weaken the bag’s tightness (see FoodSaver’s food list to avoid sealing).

Finally, when operating external models, most manufacturers recommend waiting a few seconds (or at most one minute) between sealing to prevent overheating.

Anova Precision Sous Vide Vacuum Sealer Pro is basically a larger and more advanced version of our equally excellent choice Anova Precision Vacuum Sealer. It has multiple modes: vacuum and sealed, wet, dry, sealed, pulse vacuum and external pulse vacuum. It has the stylish appearance of our equally excellent selection, but its size is more comparable to our preferred Nesco American Harvest V-12 vacuum sealer (14 3/4 x 7 x 4 1/4 inches vs. 15¾ x 8 x 6⅛ inch). For an extra $50, we think this model can compete with our current preferred model. We look forward to testing it and we will update this guide once it is completed.

We tested a prototype of Cabela's 12-inch commercial-grade vacuum sealer (it is a smaller version of the company's 15-inch model). The 12-inch wide model can reach 26 inHg (equivalent to our main selection), and the control of the 12 and 15-inch models is almost the same as our main selection. Compared with our current choice, their advantage is that their sealing strips automatically adjust the temperature to prevent overheating, so there is no need to rest between sealing. We also like the side storage box of each machine, which contains accessory hoses. However, these machines are very expensive and exceed the needs of most home cooks. In other words, if you hunt and fish frequently and don't want to splurge on expensive vacuum sealing machines, the Cabela model may be perfect for you.

FM2000-FFP is more expensive than our second Nesco VS-02 and does not provide any control other than vacuuming and sealing. This is also the loudest model we have tested.

FoodSaver's space-saving food vacuum sealer has no pulse button. We like it to be smaller than the larger Food Saver model, but it is still not as slim as our also excellent choice Anova precision vacuum sealer, which can be placed in a drawer.

Although FoodSaver v4440 has a high rating, we decided not to test it because it is not as widely available as some of the newer FoodSaver models we have tried.

FoodSaver 4840 does not have a dedicated pulse button (you have to manually turn it on and off to pulse) and cost up to $160 (at the time of testing). It can seal the bag well, but our choice provides more control options at a lower price.

Weston 65-0501-W is the main choice for Cook's Illustrated (subscription required), but the lid requires labor to close. During the sealing cycle, the motor also seems to be struggling.

FoodSaver 5460 has almost all the features of our main choice, but we found it to be over-designed and awkward to use. It has two sealing strips: one is used to make bags, and the other is used to seal after vacuuming. However, its elevated vacuum chamber makes it difficult to seal smaller bags. We have to fix the bag in place and press the button at the same time to start the machine.

Since FoodSaver FSFSSL5860-DTC was lower than Amazon's four-star rating during testing, we chose to test similar FoodSaver models with higher ratings and lower prices.

Weston Pro-2300 has an ultra-wide sealing strip and a powerful vacuum for packaging large pieces of meat. However, we are disappointed with its quality. After only a few uses, the Teflon tape covering the heating rod began to peel off. We have more expectations for machines of this caliber.

Vacuum sealer, Cook Illustrated, August 1, 2014

James Brains, the best vacuum sealer to keep food fresh, Business Insider, August 22, 2017

Garry Zick, Mike Brown and Tim Flynn, practical game handling: field to freezer, T&M Outdoors

Scott Heimendinger, using a vacuum chamber vacuum sealer to quickly pickle vegetables, Seattle Food Geek, December 15, 2011

Greg Blonder, PhD, vacuum cleaner, real ideas, June 1, 2016

Janet Crandall, chef lecturer and butcher, email interview, February 25, 2018

Timothy A. Gessert, PhD, founder of Gessert Consulting, telephone interview, March 6, 2018

The influence of atmospheric pressure on vacuum degree, ASE system

Since 2016, Michael Sullivan has been a full-time writer on the Wirecutter kitchen team. Previously, he was the editor of the International Culinary Center in New York. He has worked in all aspects of the food and catering industry for more than ten years.

We have been testing vacuum cryogenic equipment for more than four years, and the following is what we think you need to start.

By Nick Gay and Tim Baribo

Our first choice of sous-vide cooking circulators, Anova Precision Cooker Wi-Fi, dropped to $130 on Prime Day, while other excellent models only cost $100.

Wild mushrooms are delicious and may grow near where you live. Here's how to find, pick and store them-and avoid eating the wrong kind.

Kimchi packers, dough mixers, and more farm supplies can make everyday household chores easier for anyone.

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