Vacuums
July 6, 2021

7 Best Vacuum Ovens For Drying in 2021

These are the best vacuum ovens on the market right now.

NOTE: We may earn money from links on this page, but we only recommend products we know will make your life easier.

Our Top 5 Picks

roman peysakhovich
About Your Guide

Roman Peysakhovich

CEO and educator at Onedesk. Roman has over 10 years of experience as a cleaning business owner. When not operating his cleaning business, he's researching and reviewing the household products to help consumers make the best purchase.

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Vacuum ovens are essential for many manufacturers.

They also have their uses in the home.

Buying a high-quality vacuum oven helps you eliminate any potential toxins or gases from an object.

Read on to discover the best vacuum ovens on the market right now.

Our Top 5 Picks (Comparison)
Across International Ai Vacuum Oven With 7 CFM Pump
  • Best AI Vacuum Oven
  • Across International
Buy Now →
Across International Ai Accutemp CSA Certified Vacuum Oven
  • Best Rated Vacuum Oven
  • Across International
Buy Now →
Mophorn Vacuum Drying Oven With Dual-Layer Tempered Glass Window
  • Best Mophorn Vacuum Oven
  • Mophorn
Buy Now →
Across International Stainless Steel Air Convection Drying Sterilizing Oven
  • Best Stainless Steel Vacuum Oven
  • Across International
Buy Now →
Across International CSA Certified 110V Vacuum Oven, Stainless Steel
  • Best 110 Volt Vacuum Oven
  • Across International
Buy Now →

Across International Ai Vacuum Oven With 7 CFM Pump

Weight: 120.0 pounds

Rating: 4.5/5

Dimensions: 23.23 x 17.32 x 18.9 inches

Pros:

  • Durable vacuum oven
  • Several shelves to cook several objects at once
  • Incredible heating accuracy

Cons:

  • On low temperature, not enough power to activate lighting units


If you want the best vacuum from AI, then you need the Across International Ai Vacuum Oven With 7 CFM Pump.

There's a lot to love about this oven. One of its best features is its 5-sided temperature uniformity.

It uses aluminum and heating chambers to completely and evenly heat the object at the same time.

Other ovens lack this ability. They may only heat one or two sides at a time. This can make completely removing any toxins or harmful particulates difficult.

The object may seem finished, but in reality, only a few sides are finished.

That isn't the case with this oven. It heats all sides at the same time. It also does so with complete control over its accuracy.

You can expect to be within one degree of the temperature that you set.

This accuracy ensures that you're using the correct temperature to properly heat the object. You can avoid damaging the object with inaccurate temperature gauges.

Another ideal aspect of this oven is its LED lights and slide-out shelves.

The lights easily allow you to check on the state of the object placed inside of it. You no longer have to disrupt the process by turning it off and opening the doors to inspect it.

The lights allow you to clearly see what's going on inside of it.

The slide-out shelves are also ideal. It prevents the need to reach inside of the hot oven with your hands.

Finally, the entire vacuum is made of durable stainless steel. Even the knobs are made with stainless steel and firm grips to allow for accurate and durable use.

What Reviewers Say

  • "This oven has allowed me to start my own business and produce high-quality products. I love it!"
  • "The set-up was very easy. You just plug it in, and it's ready to use. It was also crated very well."
  • "I've been using this oven for 3 years, and it's still just as dependable. Great quality."
Shop Now

Across International Ai Accutemp CSA Certified Vacuum Oven

Weight: 90 pounds

Rating: 4/5

Dimensions: 20 x 23.4 x 19 inches

Pros:

  • Able to reach up to 480 degrees Fahrenheit
  • Operates quietly
  • Incredible temperature accuracy


Cons:

  • Using the KF25 hook up can be difficult


The Across International Ai Accutemp CSA Certified Vacuum Oven is one of the most beloved vacuum ovens by its fans.

Looking at its specs, it's easy to see why. This an updated version of previous ovens, and it's only gotten better with time.

This oven also features five-sided heating elements to uniformly heat objects placed inside of it.

It has the same temperature accuracy to ensure you're able to cook items to perfection. Using the oven is also easy. You just need to plug it in and set the temperature.

It's able to reach up to 480 degrees Fahrenheit which should serve most needs.

The LED display easily reads out information to keep you informed about the status of the object inside of it.

Finally, it uses a 3" thermal insulation to ensure heat isn't lost during the cooking process.

What Reviewers Say

  • "Great cost and quality. Works exactly how we need it to."
  • "Extremely easy to use. Sets the standard for low-temperature vacuum ovens."
  • "Needed to find a fitting for the hose, but it works great."
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Mophorn Vacuum Drying Oven With Dual-Layer Tempered Glass Window

Weight: 185 pounds

Rating: 5/5

Dimensions: 28.74 x 23.62 x 21.65 inches

Pros:

  • Silicone seal on the door to prevent heat loss
  • Large window to inspect drying process
  • Inlet pressure less than 1.3Pa offers continuous operation


Cons:

  • Quite heavy

There's a lot to love about the Mophorn Vacuum Drying Oven.

It's relatively large and can house several different objects.

One of its great aspects is its window. It uses bulletproof glass to provide a large viewing inside of the oven.

You're able to observe the drying process without concerns over your safety.

It uses a microcomputer temperature controller to accurately heat the oven within a degree of your target temperature.

The temperature can also be brought to 480 degrees Fahrenheit.

You'll also find a large LED screen on the oven. It uses a menu-like interface that feeds out several pieces of information and data on the oven and the process within it.

When compared to other vacuum ovens, this one was noted to have 50% less heat loss.

Part of that is due to the reliable vacuum pump. It's able to reach speeds up to 1400rpm and has an exhaust volume of 4L/s.

Finally, it uses a silicone strip to securely close the door and further prevent heat loss.

What Reviewers Say

  • "This oven is extremely efficient and works fast to complete our drying applications."
  • "We love the wide uses it has. It can be used for several different applications."
  • "This oven is durable and relatively quiet compared to others."
Shop Now

Across International Stainless Steel Air Convection Drying Sterilizing Oven

Weight: 65.0 pounds

Rating: 4.5/5

Dimensions: 27 x 25 x 33 inches

Pros:

  • Dries, cures, and bakes
  • Can reach up to 570 degrees Fahrenheit
  • 1.5 cubic feet of drying space


Cons:

  • Operating it may be difficult


The Across International Stainless Steel Air Convection Drying Sterilizing Oven is durable and reliable thanks to its stainless steel materials.

It uses a turbo blower that directs the heat directly over the objects within it. This gives the object consistent heating.

It can also be used to cure and bake objects besides just drying them.

This multi-use oven is a great choice for almost anyone that needs to dry something thoroughly.

Because it can reach temperature ranges up to 570-degrees Fahrenheit, you're able to dry or cure almost anything within it.

Safety is also a big deal for this oven. Besides its durable stainless steel frame, it has alarm capabilities.

You can set the alarm for when it reaches past its desired temperature location.

This ensures that everyone is alerted and can make the necessary adjustments to avoid consequences.

This oven has CE certification and has a sizable window to inspect your objects. It also features built-in temperature calibration.

When it starts to become too hot, it will reduce its temperature to maintain at the level that you need it.

Because it has overheat protection, if its systems fail, then you're alerted immediately.

What Reviewers Say

  • "Comes with access ports to include your own sensors. Great extra detail from AI."
  • "Heats up very quickly and well-built."
  • "Operating it is difficult at first, but it works really well and does its job."
Shop Now

Across International CSA Certified 110V Vacuum Oven, Stainless Steel

Weight: 140 pounds

Rating: 4/5

Dimensions: 32.25 x 28.25 x 27.75

Pros:

  • Only requires 110 volts to run
  • 5 shelves for heating made of aluminum
  • Takes 45 minutes to reach 100 degrees Fahrenheit


Cons:

  • Heating elements aren't on all sides


The Across International CSA Certified 110V Vacuum Oven is a great choice for those looking for an oven that runs on 110 volts.

It features many of the same benefits as other ovens from AI. You're able to enjoy 5-sided heating with its aluminum trays for added safety and performance.

This ensures your objects are able to be heated uniformly to prevent heating or curing issues.

This oven features their third generational LCD low proportional gain temperature controllers.

They're able to keep the oven at a temperature within one degree of your desired temperature.

If you need to change the temperature or any other settings, you can rely on the firm and durable stainless steel knobs to do so.

You're able to fit more inside of this oven due to its larger size. It has 1.9 cubic feet of space to use.

With its five trays, you can cook more while spending less time waiting around for it to finish.

The shelves can be removed to make cleaning this oven easy.

It also uses a large display window. You're able to clearly see the objects inside of the chamber and check on them for safety.

It has a brightly lit LED screen that feeds you information about the oven.

This oven is UL and CSA-certified, and it uses an oil-filled gauge that feeds back into itself. This makes the oven run quieter than other versions.

This oven is ideal for several different applications. Thanks to its ability to reach temperatures up to 480-degrees Fahrenheit, it can be used for almost anything.

It heats up relatively quickly, too. You only need 45 minutes to bring it up to 100-degrees Fahrenheit.

Because it only uses 110 volts to power itself, you can use less power to produce more.

What Reviewers Say

  • "This oven has never leaked or given me problems. You may want to replace the grid racks with stainless steel to make heat retention even better."
  • "This is a great oven for an even better price."
  • "It's an ideal choice for an entry-level vacuum oven. Great for the price. It doesn't always heat every side of the object."
Shop Now

Across International Steel AccuTemp Vacuum Oven With 9 CFM Pump

Weight: 140 pounds

Rating: 4/5

Dimensions: 38.5 x 32.5 x 27.25 inches

Pros:

  • 9 CFM
  • Heats 25% faster than other ovens
  • 1.9 cubic feet of oven space


Cons:

  • Not always as accurate as advertised


If you want a bit more power in your vacuum oven, then you need the Across International Steel AccuTemp Vacuum Oven With 9 CFM Pump.

The pump enables the oven to have a CFM rating of 9. This means that the oven takes less time to heat up. You're able to heat your objects more quickly and get more done.

That's ideal for manufacturers or anyone that doesn't have time to waste.

It reaches its 9 CFM through its dual-stage pump. It does require more power to run at this stage.

You're looking at 750 watts when operating at this level.

The pump also requires more oil. It has a reservoir of 560mL and uses UltraGrade 19 oil to function.

The vacuum tubing on this oven is stainless steel. That makes it more durable, less prone to heat loss, and you don't have to worry about corrosion.

One of the best things about this oven is that it can fit 10 aluminum shelves within it.

Its large 1.9 cubic feet worth of space enables you to fill it even more. With its faster-drying speed, producing and drying with this oven is more efficient than ever.

This oven also uses its five-sided heating technology to provide uniform heating within it.

You can adjust temperature settings with just a twist of a knob. Like the other AI ovens, this one also comes with a menu interface that's easy to read and understand.

If you want to get more done, then this is the oven for you.

What Reviewers Say

  • "I use this oven to remove unwanted solvents. It works great for that but it is sometimes off by 10 degrees."
  • "This product is great for its price and works extremely well."
  • "I had a problem with the LED screen not displaying, but it was easy to fix it. The oven works great otherwise."
Shop Now

Across International Stainless Steel 5-Sided Vacuum Oven with LED Light

Weight: 140 Pounds

Rating: 5/5

Dimensions: 32 x 29 x 28 inches

Pros:

  • Capable of 7 CFM
  • 1.9 cubic feet of space
  • Vacuum tubing is made of food grade silicone


Cons:

  • Only single stage


If you want high-quality tubing and a vacuum pump, then you need the Across International Stainless Steel 5-Sided Vacuum Oven with LED Light.

Its tubing is made out of stainless steel. This is ideal because it keeps the unit protected.

It also prevents corrosion which may be a serious problem in certain situations and applications.

Another great aspect of this oven is its vacuum tubing. It's made out of food-grade silicone.

This is preferable because silicone helps reduce heat loss. It's able to trap air from escaping.

The material is also safe. If any part of it starts to degrade, you don't have to worry about harmful toxins being put back inside of the object.

The oven is quite large at 1.9 cubic feet of space. You can fit several objects inside of it.

You're able to fit up to 10 shelves inside of it, but only 5 shelves are included. These shelves are made from aluminum and hold heat well.

The oven uses 5-sided heating to ensure the entire object is heated at the same time.

This can prevent deterioration if one side becomes too hot while waiting for the other side to heat.

Thanks to its pump, it's able to heat elements quickly. It has a 7 CFM rating which means it's able to heat the space fast.

In terms of producing a vacuum, it's able to reach a full vacuum within 15 minutes.

This oven is thoroughly tested before being released. It sits in the manufacturer's lab for 24 hours.

During that time, it undergoes a vacuum leak test. If no leaks are detected, then it's okayed to sell.

The oven requires minimal maintenance which makes it ideal for those looking for an entry-level vacuum often to learn the basics.

The high-quality parts ensure that the oven will last for several years.

What Reviewers Say

  • "This is one of the best vacuum ovens out there. It does exactly what I need it to."
  • "We love how quickly it can reach a full vacuum. Less time spent waiting, more time actually heating."
  • "The oven is easy to use and set up. We had it running in just a few minutes."
Shop Now
Our Top 5 Picks (Comparison)
Across International Ai Vacuum Oven With 7 CFM Pump
  • Best AI Vacuum Oven
  • Across International
Buy Now →
Across International Ai Accutemp CSA Certified Vacuum Oven
  • Best Rated Vacuum Oven
  • Across International
Buy Now →
Mophorn Vacuum Drying Oven With Dual-Layer Tempered Glass Window
  • Best Mophorn Vacuum Oven
  • Mophorn
Buy Now →
Across International Stainless Steel Air Convection Drying Sterilizing Oven
  • Best Stainless Steel Vacuum Oven
  • Across International
Buy Now →
Across International CSA Certified 110V Vacuum Oven, Stainless Steel
  • Best 110 Volt Vacuum Oven
  • Across International
Buy Now →

How to Use a Vacuum Oven

Using a vacuum oven is easy once you understand how to use its settings. The first thing you need to do is establish at what temperature you need the oven to be. Then you can locate in the settings where to program the temperature.

Before you turn the heating elements on, the oven should undergo its vacuuming process first. It's safer for the oven and everyone around the oven to take care of this step initially.

Once the vacuum is made, then you can set the oven to the desired temperature. Following cooking protocols, heat the object inside of the oven for the appropriate time.

Then just release the pressure and ease the temperature safely before attempting to take the object within the oven.

How to Repair a Vacuum Oven

In most cases, you'll need a professional to repair your vacuum oven unless you know the parts well. Otherwise, simple repairs can be conducted by carefully opening the back panel of the oven. Most of the heating elements are located there. You should also unplug the machine.

Replacing the fuse is often the only thing you need to do. It's also worth ensuring that the outlet you're using for the oven can provide enough power for the oven to work efficiently.

In some cases, you may also need to replace the oil in the pump. Although it feeds its own oil to itself, some loss is expected over time.

Frequently Asked Questions

What is a Vacuum Oven?

A vacuum oven is a special kind of appliance designed to remove volatile chemicals from objects placed inside of it. It does so while preventing any chemical reactions. It's able to do this by reducing oxidation.

The vacuum oven reduces pressure which, in turn, reduces the boiling point of the object. When the oven heats up, it takes less time to boil the unwanted particulates away without damaging the object itself.

There are many uses for a vacuum oven. It's used primarily in manufacturing facilities, but it's also commonly used in the growing industry of cannabis.

If you're interested in purchasing a vacuum oven, then consider our reviews for Across International vacuum ovens to find the best one.

What is a vacuum oven used for?

There are many applications for a vacuum oven. It's often used in the manufacturing industry as well as in the research industry. 

It's used to both dry delicate parts and to remove toxins from certain foods or oils. For example, it can remove flammable solvents from an object, making it safer to handle.

It can also minimize oxidation which is important for the safety of its handling. Oxidation can cause serious health problems for those exposed to it.

How does a vacuum oven work?

A vacuum oven works by creating a vacuum within the vacuum. It removes any moisture in the oven and reduces the boiling point of the object. When the boiling point is reduced, it allows the oven to kill toxins and remove any solvents that may cause harm.

Once the vacuum is formed, the oven heats up. The user determines how hot the oven becomes.

What is the difference between a hot air oven and a vacuum oven?

The main difference is that a hot air oven only heats up the air to cook the object inside of it.

The vacuum oven creates a vacuum first to reduce the boiling point of the object. A vacuum oven is also primarily used to remove toxins or solvents while a hot air oven is primarily used to cook food.

What is vacuum drying?

Vacuum drying refers to the process in which all moisture is removed from an object. It literally sucks the moisture out of an object and dehumidifies the chamber.

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