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The 10 Best HVAC Vacuum Pump Options to Purchase

vacuum pump

​Most air conditioning systems available today require a critical charge for optimal operation. They are sensitive to moisture and contaminants that can cause the system to freeze up, corrode the metals, and contaminate the oil. Moisture must be removed before the critical charge, and that is where the HVAC vacuum pump comes into play. With so many products available on the market today, choosing the best HVAC vacuum pump can be mind-boggling. Never fear, we have taken the guesswork out of selecting the best HVAC vacuum pump by reviewing the top models available. Read on to discover our pick for the best HVAC vacuum pump.

Quick Navigation
HVAC Vacuum Pump FAQs
​How We Reviewed
​Overall Price Range
What We Reviewed
​The Verdict

Preview Product
Robinair (15500) VacuMaster Economy Vacuum Pump - 2-Stage, 5 CFM Robinair (15500) VacuMaster Economy Vacuum Pump - 2-Stage, 5 CFM Check Price
ZENY 3,5CFM Single-Stage 5 Pa Rotary Vane Economy Vacuum Pump 3 CFM... ZENY 3,5CFM Single-Stage 5 Pa Rotary Vane Economy Vacuum Pump 3 CFM... Check Price
Kozyvacu 5CFM 2-Stage Rotary Vane Vacuum Pump (5.0CFM, 40Micron,... Kozyvacu 5CFM 2-Stage Rotary Vane Vacuum Pump (5.0CFM, 40Micron,... Check Price
Yellow Jacket 93560 6CFM VAC PUMP 115V SUPEREVAC Yellow Jacket 93560 6CFM VAC PUMP 115V SUPEREVAC Check Price
TMS 3 CFM Single-Stage Rotary Vane Vacuum Pump R410a R134 HVAC A/c Air... TMS 3 CFM Single-Stage Rotary Vane Vacuum Pump R410a R134 HVAC A/c Air... Check Price
FJC (6909) 3.0 CFM Vacuum Pump FJC (6909) 3.0 CFM Vacuum Pump Check Price
MASTERCOOL 90066-A Vacuum Pump MASTERCOOL 90066-A Vacuum Pump Check Price
ARKSEN Single Stage 1/2HP Rotary Vane 5CFM Vacuum Pump R410a R134a... ARKSEN Single Stage 1/2HP Rotary Vane 5CFM Vacuum Pump R410a R134a... Check Price
XtremepowerUS 3CFM 1/4HP Air Vacuum Pump HVAC R134a R12 R22 R410a A/C... XtremepowerUS 3CFM 1/4HP Air Vacuum Pump HVAC R134a R12 R22 R410a A/C... Check Price
Robinair 15800 VacuMaster Economy Vacuum Pump - 2-Stage, 8 CFM, CHROME Robinair 15800 VacuMaster Economy Vacuum Pump - 2-Stage, 8 CFM, CHROME Check Price

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HVAC Vacuum Pump FAQs

Before we move on to our list of the best HVAC vacuum pumps, we will take a moment to answer some frequently asked questions on the subject.


1. What Is an HVAC Vacuum Pump?


An HVAC vacuum pump is a vacuum that lowers the atmospheric pressure inside an HVAC system to remove the moisture from it. An HVAC vacuum pump evacuates contaminants from the air conditioning system to prevent freezing and leaks.


2. What Is an HVAC Vacuum Pump Used for?


An HVAC vacuum pump can be used to service and repair household and automobile HVAC systems, sealing jars for preserving food, recharging refrigerators and freezers, degassing wine or epoxy, hot-forming plastic, milking animals, and much more.


3. Where Can I Purchase an HVAC Vacuum Pump?


We have provided links to the HVAC vacuum pumps reviewed in this article. Click on the link to purchase the product. All the HVAC vacuum pumps reviewed in this article are available on Amazon.com.

​How We Reviewed

The following products were reviewed based on the following parameters: Features, Pros & Cons, Price, Where to Buy, and Warranty. 

​Overall Price Range

Pricing for HVAC vacuum pumps varies. The HVAC vacuum pumps reviewed in this article range in price from around $55 up to $525. The price of each HVAC vacuum pump has been given a rating of $, $$, or $$$, where $ represents a price at the lower end of the range, and $$$ represents a price at the higher end. Prices with a rating of $$ are considered mid-range.

What We Reviewed

  • ​Robinair (15500) VacuMaster Economy Vacuum Pump
  • ​ZENY 3
  • ​Kozyvacu 5CFM 2-Stage Rotary Vane Vacuum Pump
  • ​Yellow Jacket 93560 6CFM
  • ​TMS 3 CFM Single-Stage Rotary Vane Vacuum Pump
  • ​FJC 6912
  • ​MASTERCOOL 90066-A
  • ​ARKSEN 1/2HP 5 CFM
  • ​XtremepowerUS 3CFM 1/4HP Air Vacuum Pump
  • ​Robinair 15800 VacuMaster Economy Vacuum Pump

Robinair (15500) VacuMaster Economy Vacuum Pump

Robinair (15500) VacuMaster Economy Vacuum Pump - 2-Stage, 5 CFM
Robinair (15500) VacuMaster Economy Vacuum Pump - 2-Stage, 5 CFM
  • Robinair's VacuMaster Economy Vacuum Pump is designed for air conditioning and refrigeration service; featuring a...
  • 5 CFM free air displacement; factory rated to 35 microns
  • 1/3 HP, 115V/60 Hz thermally protected motor
Check Price


Features

The Robinair VacuMaster Economy Vacuum Pump is a heavy-duty, high-performance 2-stage rotary vane vacuum pump designed for air conditioning and refrigeration service. It features a 5 CFM free air displacement, a factory rating to 35 microns, and a 7.5-ounce oil reservoir.

The unit features a 1/3 HP thermally protected motor with an inlet fitting designed for maximum airflow while preventing oil backflow. The finned aluminum surfaces dissipate heat faster to keep the pump cooler and extend the life of the unit. It has an easy-to-read sight glass, an easy-access oil fill port, and an oil drain valve on the bottom of the oil reservoir that is angled for complete draining.

Pros

  • ​Factory rating to 35 microns
  • ​Oil reservoir of 7.5 ounces
  • ​Thermally protected 1/3 HP motor

Cons

  • ​Does not have a shut-off switch
  • ​Must unscrew the exhaust cap when in use
  • ​Drain plug leaks oil

Price $$

Where to Buy

​View on Amazon

Warranty

This product carries a one-year limited warranty from the manufacturer.

​ZENY 3

ZENY 3,5CFM Single-Stage 5 Pa Rotary Vane Economy Vacuum Pump 3 CFM...
ZENY 3,5CFM Single-Stage 5 Pa Rotary Vane Economy Vacuum Pump 3 CFM...
  • Inlet Port: 1/4" Flare, Warm note: 1)Pressure Scale:0~400psi, 0~140psi 2)Length of hose:1.2m Red:1/4''-1/4''...
  • High Efficiency and Low Noise, Heavy-duty Aluminum Alloy Casing, Oil Drain Plug Positioned at Bottom of Oil...
  • Exhaust Port with Exhaust Cap, Direct Drive Motor Allowing Easy Starting Which is Maintenance Free
Check Price


Features

The Zeny 3 is constructed with a heavy-duty aluminum alloy casing and an internal high-volume cooling fan for extended use. It features an exhaust port with an exhaust cap, an oil sight glass for monitoring oil levels, and an on/off switch. The pump has a non-slip cushion handle and a visual fuel tank to prevent oil shortage and motor burnout.

The unit comes with a bottle of vacuum oil. The high-quality capacitor ensures the stability of the machine output and the intelligent radiator senses when something is stuck and will protect itself and prevent it from burning out. The direct drive motor allows for easy, maintenance-free starting.

Pros

  • ​Heavy-duty aluminum alloy casing
  • ​Oil sight glass to monitor oil levels
  • ​Includes a bottle of vacuum oil

Cons

  • ​Does not run long in high temperatures
  • ​Must drain oil between uses to prevent oil leaking
  • ​Oil spews out of the top while in use

Price $

Where to Buy

​View on Amazon

Warranty

​ This product carries a one-year limited warranty from the manufacturer.

​Kozyvacu 5CFM 2-Stage Rotary Vane Vacuum Pump

Kozyvacu 5CFM 2-Stage Rotary Vane Vacuum Pump (5.0CFM, 40Micron,...
Kozyvacu 5CFM 2-Stage Rotary Vane Vacuum Pump (5.0CFM, 40Micron,...
  • While a AC system requires 500micron ultimate vacuum, Kozyvacu TA500 delivers better than 40micron to make sure that you...
  • High torque design for easy startup and efficient operation;
  • a Die-Cast Aluminum Housing – Cast aluminum housings make the pumps lightweight while durable. it is easy to start and...
Check Price


Features

The Kozyvacu 5CFM 2-Stage Rotary Vane Vacuum Pump features a high-torque design for easy startup and efficient operation. It has a die-cast aluminum housing to make the pump durable and lightweight. It is maintenance-free and easy to start. The motor is thermally protected for durability. The oil drain valve is positioned at the bottom of the oil reservoir and it is angled for complete draining.

The oil fill port is accessible from the front or either side for easy filling. The pump features a sight glass that shows the oil level. This unit delivers high efficiency with a low noise level.

Pros

  • ​High-torque design
  • ​Die-cast aluminum housing
  • ​Easy-access oil fill port

Cons

  • ​Motor does not engage immediately
  • ​Does not have a gauge
  • ​Smokes until high vacuum is achieved

Price $$

Where to Buy

​View on Amazon

Warranty

​ This product carries a one-year limited warranty from the manufacturer.

​Yellow Jacket 93560 6CFM


Yellow Jacket 93560 6CFM VAC PUMP 115V SUPEREVAC
Yellow Jacket 93560 6CFM VAC PUMP 115V SUPEREVAC
  • heavy duty rotor and bearing
  • heavy duty steel handle for well balanced carrying
  • 1/2 horsepower power rating
Check Price

Features

The Yellow Jacket Vac Pump features a heavy-duty rotor and bearing. It has a heavy-duty steel handle for well-balanced carrying. The unit has a 1/2 horsepower rating. The unit is field rated to 15 microns. It has a garden hose attachment for the oil exhaust port.

Pros

  • ​Heavy-duty rotor and housing
  • ​Heavy-duty steel handle
  • ​Field rated to 15 microns

Cons

  • ​Motor locks up
  • ​Overheats easily
  • ​Unit is heavy

Price $$$

Where to Buy

​View on Amazon

Warranty

​ This product carries a one-year limited warranty from the manufacturer.

ABLAZE 1.5 Gallon Stainless Steel Vacuum Degassing Chamber and 3 CFM Single Stage Pump Kit

ABLAZE 1.5 Gallon Stainless Steel Vacuum Degassing Chamber and 3 CFM...
ABLAZE 1.5 Gallon Stainless Steel Vacuum Degassing Chamber and 3 CFM...
  • ★ APPLICATIONS - Stabilizing wood, degassing urethane, silicones, epoxies, stabilize, extracting essential oils from...
  • ★ LIQUID FILLED GAUGE - Resists vibrations and keeps the gauge accurate. Measuring range of vacuum gauge:0-30inHg, 5...
  • ★ SS304 CONTAINER - Strong and durable stainless steel container with chemical-resistant silicone gasket. Silicone...
Check Price


Features

The ABLAZE 1.5 Vacuum Pump is a rotary vane, deep vacuum pump, perfect for maintaining air conditioning systems. The pump will remove contaminants before charging the air conditioning system with refrigerants. It will easily remove air from a/c systems and it will easily fill an empty system. The internal cooling fan allows the pump to stay cool during extended use, extending the life of the pump.

The oil window provides visibility to oil levels and oil quality for easy maintenance. This pump can be used to seal jars to preserve food, hot forming plastic, de-gasification processes, and much more. The pump features a non-slip cushioned grip and a heavy-duty aluminum casing.

Pros

  • ​Internal cooling fan keeps pump cool during extended use
  • ​Oil window provides visibility to oil level and quality
  • ​Heavy-duty aluminum housing

Cons

  • ​Requires 1/2″ to 1/4″ adapter that is not included
  • ​Burns/spews a lot of oil
  • ​Poorly translated manual is confusing

Price $

Where to Buy

​View on Amazon

Warranty

​ This product carries a one-year limited warranty from the manufacturer.

​FJC 6912


FJC (6909) 3.0 CFM Vacuum Pump
FJC (6909) 3.0 CFM Vacuum Pump
  • Single stage pump using Twin Port Technology for performance like a 2 stage performance
  • 1/2" ACME x 1/4" MFL inlet fitting.
  • Motor: 115 Volt
Check Price

Features

The FJC Vacuum Pump 5 CFM uses twin-port technology for two-stage performance. The pump will remove moisture and non-condensable gasses that can destroy an a/c or refrigeration system. It features a 1/3 HP motor that runs at 1725 RPM. The unit has a 12-ounce oil reservoir. This pump pulls 75 microns.

Pros

  • ​Twin-port technology for two-stage performance
  • ​12-ounce oil reservoir
  • ​1/3 HP motor

Cons

  • ​Unit smokes while in use
  • ​Oil leaks during shipping
  • ​Poorly packaged

Price $$

Where to Buy

​View on Amazon

Warranty

​This product carries a one-year limited warranty from the manufacturer.

​MASTERCOOL 90066-A

MASTERCOOL 90066-A Vacuum Pump
MASTERCOOL 90066-A Vacuum Pump
  • 6 CFM VACUUM PUMP (SINGLE STAGE)
  • Backed by a 1 year warranty on material and workmanship
Check Price


Features

The Mastercool Vacuum Pump features a thermally protected motor for safety. It also has a built-in cooling fan to maintain temperature and avoid overheating with prolonged use. It completely evacuates and will easily pull 75 microns at 1/4 horsepower. The base of the product is stable. It features an oil indicator and an easily accessible drainage valve. The unit is lightweight and designed for residential use.

Pros

  • ​Thermally protected motor
  • ​Built-in cooling fan
  • ​Easily accessible drainage valve

Cons

  • ​Does not have a gas ballast valve
  • ​Only for residential use
  • ​Leaks oil at sight glass

Price $$$

Where to Buy

​View on Amazon

Warranty

​ This product carries a one-year limited warranty from the manufacturer.

​ARKSEN 1/2HP 5 CFM

ARKSEN Single Stage 1/2HP Rotary Vane 5CFM Vacuum Pump R410a R134a...
ARKSEN Single Stage 1/2HP Rotary Vane 5CFM Vacuum Pump R410a R134a...
  • Free Air Displacement: 5CFM - Factory Micro Rating: 75 Microns (10pa)
  • Motor Size: 1/2HP - Pump Speed: 1720 RPM; Voltage: 110V, 60HZ
  • Lightweight cast aluminum construction for maximum durability
Check Price


Features

The Arksen Single Stage 1/2 HP Rotary Vane Vacuum Pump achieves 10-6 bar to remove air from air conditioning systems with ease, and will quickly fill an empty system. It features an internal cooling fan to ensure the pump stays cool during extended use for a long life. The unit has an oil window to provide vital information regarding oil level and oil quality.

The pump will quickly remove moisture and air from air conditioning systems. The direct drive motor is maintenance free and starts easily. The oil drain plug is located at the bottom of the oil reservoir for easy drainage. The unit has an on/off switch, a non-slip contoured carrying handle, and an exhaust port with cap.

Pros

  • ​Internal cooling fan keeps the pump cool during extended use
  • ​Oil window provides insight to oil level and quality
  • ​Oil drain plug at bottom of the reservoir

Cons

  • ​Creates excessive oil vapor
  • ​Runs hot
  • ​Uses a lot of oil

Price $

Where to Buy

​View on Amazon

Warranty

​This product carries a one-year limited warranty from the manufacturer

​XtremepowerUS 3CFM 1/4HP Air Vacuum Pump

XtremepowerUS 3CFM 1/4HP Air Vacuum Pump HVAC R134a R12 R22 R410a A/C...
XtremepowerUS 3CFM 1/4HP Air Vacuum Pump HVAC R134a R12 R22 R410a A/C...
  • SIMPLE BUT POWERFUL - XtremepowerUS 1/4 HP 3 CFM 1-Stage Rotary Air Vacuum Pump is designed to have high efficiency and...
  • HEAVY DUTY VACUUM PUMP - Die-cast Aluminum Alloy Casing enables the vacuum pump be light and durable at the same time....
  • HVAC GAUGE READING - The XtremepowerUS HVAC service gauge set is great for diagnosing and repairing AC systems. Ideal...
Check Price


Features

XtremepowerUS 1/4 HP 3 CFM 1-Stage Rotary Air Vacuum Pump has high efficiency and low noise output. It features an internal high-volume cooling fan to maintain appropriate temperature during extended use. The unit has a heavy-duty, die-cast aluminum alloy casing that allows the pump to be both lightweight and durable. It is equipped with brass fitting tethered safety caps to prevent oil from leaking during transportation.

The HVAC service gauge set is helpful when diagnosing and repairing AC systems. The pump has an oil fill port that makes it easy to add oil. The oil drain plug is beneath the oil reservoir for easy draining when needed.

Pros

  • ​Internal high-volume cooling fan
  • ​Heavy-duty, die-cast aluminum alloy casing
  • ​HVAC service gauge set

Cons

  • ​Gauges are not calibrated for use on vehicles
  • ​Poor quality hoses
  • ​Unit is noisy

Price $$

Where to Buy

​View on Amazon

Warranty

​This product carries a one-year limited warranty from the manufacturer.

​Robinair 15800 VacuMaster Economy Vacuum Pump

Robinair 15800 VacuMaster Economy Vacuum Pump - 2-Stage, 8 CFM, CHROME
Robinair 15800 VacuMaster Economy Vacuum Pump - 2-Stage, 8 CFM, CHROME
  • Robinair's VacuMaster Economy Vacuum Pump is designed for commercial refrigeration use and features a 2-Stage rotary...
  • 8 CFM free air displacement; factory rated to 40 microns
  • 1 HP thermally protected motor; 115V, 60 Hz
Check Price


Features

The Robinair VacuMaster Economy Vacuum Pump is made for commercial refrigeration use. It features a 2-stage rotary vane design. It has 18.6 ounces of oil capacity. The non-skid feet keep the unit stable while in operation. This pump will displace 8 CFM free air and is factory rated to 40 microns. It has a hefty 1 HP motor that is thermally protected. It features an inlet fitting that is engineered for maximum airflow and prevents oil backflow.

The finned aluminum surfaces dissipate heat to keep the pump cooler and extend the unit’s life. The pump has 1/4″ and 3/8″ MFL inlet fittings, an easy-to-read sight glass, an easy-access oil fill port, and an oil drain valve on the bottom of the oil reservoir for total draining.

Pros

  • ​18.6-ounce oil reservoir
  • ​Thermally protected 1 HP motor
  • ​Pump displaces 8 CFM free air

Cons

  • ​Gauges are not calibrated for use on vehicles
  • ​Burns lots of oil
  • ​Smokes while operating

Price $$$

Where to Buy

​View on Amazon

Warranty

​This product carries a one-year limited warranty from the manufacturer.

​The Verdict

​Based on our research, we believe that the best HVAC vacuum pump is the XtremepowerUS 3CFM 1/4 HP Air Vacuum Pump. The gauge set included with the pump helps diagnose and repair HVAC systems. The high-volume cooling fan enables the unit to be used for extended periods, and the heavy-duty, die-cast aluminum alloy casing makes the unit both lightweight and durable. You will not be disappointed with the XtremepowerUS Air Vacuum Pump.

Featured Image via Pixabay

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Last update on 2021-01-19 / Affiliate links / Images from Amazon Product Advertising API

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