To help you find the best two stage air conditioner for your needs, here’s what to look for and our top picks at a variety of price points.
Our Editor’s Best Two Stage Air Conditioner Reviews
AUTOGEN 2-Stage Air Vacuum Pump 5CFM 3/4HP 0.3 Pa for HVAC/AUTO AC Refrigerant Recharging, Degassing Wine, Milking Cow, Food Processing

Key Features:
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This is a two stage air conditioner that uses a rotary vane vacuum pump to intake air. It has a free air displacement of 5 CFM and a power of 3/4 HP. The voltage is 110/60 Hz and the ultimate vacuum is 0.3 PA. The oil capacity is 14.48 oz.
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This is an air conditioner that has two stages of cooling. The first stage is designed to cool the air quickly, while the second stage is designed to cool the air more slowly and evenly. The air conditioner also has a heat dissipation system that helps to keep the air conditioner cool and extend its life.
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This two stage air conditioner is easy to operate, with a simple oil fill port and an oil window that provides information on oil level and quality. It has a great starting moment and is easy to start, with high efficiency that can keep it working perfectly even in lower ambient temperatures and lower voltages. The 1/4″, 1/2″ and 3/8″ ports allow fast and easy servicing of automotive and other low-tonnage R12, R22, R134a, and R410a systems.
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This two stage air conditioner features an environment protecting design that includes a separated tank and separating devices at the exhaust port in order to reduce oil spraying and pollution.
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This two stage air conditioner is a powerful and versatile tool that can be used for a variety of tasks, from vacuum packaging and freezing to automobile repair and gas analysis. It features a two-stage design that makes it highly effective at creating and maintaining a vacuum, and it also comes with a variety of accessories that make it easy to use.
Goodman 2.5 Ton 14 SEER 80k BTU 80% AFUE 2 Stage Multi Speed Central Air Conditioner & Gas Split System – Upflow

Key Features:
XtremepowerUS 2-Stage Rotary Vane Economy Vacuum Pump 5 CFM 1/2HP Air Conditioner Refrigerant HVAC 1/4″ & 1/2″ Dual Flare Inlet Port

Key Features:
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This two stage air conditioner is perfect for those who want to self diagnose or recharging AC systems. By removing moisture before refilling refrigerant, it helps to maintain air conditioning systems more efficiently.
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This is a two stage air conditioner that is ideal for automotive air conditioning, HVAC work, refrigeration and other applications and industrial needs that require high vacuum pull from a compact pump.
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The two stage air conditioner has an easy-access oil fill port with viewing window for easy maintenance (oil included).
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The two stage air conditioner has a durable die cast aluminum housing and a convenient top handle for easy maneuvering. It is designed for use in both residential and commercial applications.
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This is an air conditioner that can be used with either R134A or R12/R22 systems. It has two ports, one for each type of system, so that it can be used with either type of system.
AUTOGEN 2-Stage Air Vacuum Pump 7CFM 0.3 Pa for HVAC/Auto AC Refrigerant Recharging, Degassing Wine, Milking Cow, Food Processing

Key Features:
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The AUTOGEN 2-stage 7CFM rotary vane vacuum pump is a powerful and easy-to-use air conditioner for your home. It has a 7 cfm flow rate and can draw your system down to 2.25 microns (0.3 Pa). It also has a 3/4HP all copper motor to keep your HVAC servicing fast and easy.
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The two stage air conditioner is designed for effective heat dissipation and resistance to chemical corrosion. Its innovative design can prevent oil backflow and separate exhaust gas from the oil mist filter device, reducing pollution and providing safer operation.
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This is a two stage air conditioner that is easy to operate. It has a simple oil fill port for a clean pour and an oil window that provides information on the oil level and quality. The design of the air conditioner allows for a great starting moment and is easy to start. It is also high efficiency and can keep working perfectly even in lower ambient temperatures. The 1/4″, 1/2″ and 3/8″ ports allow for fast and easy servicing of automotive and other low-tonnage R12, R22, R134a, and R410a systems.
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This two stage air conditioner is a powerful air vacuum pump that can be used for a variety of purposes, including vacuum packaging, vacuum freezing, automobile repair, gas analysis, and more. It is also highly effective at quickly removing gas from batches of resin, epoxy, oil, and other solvents when used with a vacuum chamber.
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The two stage air conditioner is a reliable and affordable way to keep your HVAC system running smoothly. This pump comes with a strong 1-year warranty and AUTOGEN friendly 24/7 customer service, so you can be sure that your investment is protected.
VIVOHOME 110V 1/2 HP 5 CFM Dual Stage Rotary Vane HVAC Air Vacuum Pump with Oil Bottle

Key Features:
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This two stage air conditioner is perfect for those who are looking to self diagnose or recharging AC systems. It is made of die-cast aluminum housing and a composite anti-slip rubber base, which is lightweight and durable. It also has a vacuum pump that is perfect for removing moisture before refilling the refrigerant.
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This two stage air conditioner is designed for comfort and portability, with an ergonomic grip handle and a built-in high volume cooling fan. The low noise design can effectively reduce the motor vibration and making the vacuum pump run quieter.
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The VIVOHOME air vacuum pump is a two stage air conditioner that features a simple oil fill port for a clean pour, and the oil window provides you with vital information like oil level and oil quality. The oil drain valve at the bottom ensures faster and more thorough emptying. 1 bottle of 500ml vacuum oil is also included.
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The two stage air conditioner is a pump that is used to maintain various systems. The intake filter prevents impurity from entering the pump cavity, and the trap separates the oil mist from the exhaust gas. This product is perfect for maintaining R134, R134A, R12, R22, R22A, R404A, R407C, R502 and R410A systems.
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This two stage air conditioner is perfect for different needs. It is widely used for both commercial and household applications. It is ideal for automotive air conditioning, HVAC work, refrigeration and other applications and industrial requirements that need high vacuum pull from a compact pump.
Midea 10,000 BTU ASHRAE (5,800 BTU SACC) Portable Air Conditioner, Cools up to 200 Sq. Ft., Works as Dehumidifier & Fan, Control with Remote, Amazon Alexa & Google Assistant

Key Features:
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This two stage air conditioner is able to quickly and effectively cool spaces that are up to 200 square feet in size. It also has fan and dehumidification functions, making it ideal for use in any home, bedroom, office, or cabin.
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The AC is controlled using a smartphone app and can also be voice-controlled using Alexa or Google Assistant.
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This two stage air conditioner features effortless operation with digital controls, an easy-to-read LED display, and a compact remote control. It can cool a room to a temperature between 62 F-90 F and has 3 modes to choose from – cooling, dehumidification, fan only.
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This two stage air conditioner is easy to install, with no extra tools needed. You simply roll the air conditioner to the desired cooling area, attach the 5ft hose and adjustable window brackets, and turn it on. An exhaust hose and window kit are included for your convenience.
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The two stage air conditioner has a washable air filter to keep the air clean. The filter is removable and reusable, and should be cleaned every week for best results.
4.5 CFM Single Stage 5pa Rotary Vane Deep Vacuum Pump 1/3HP 330ML HVAC AC Air Conditioner Tool 1 Stage Refrigeration Manifold Gauge Wine Degassing Milk and Medical Processing 110V 60Hz

Key Features:
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This is a two stage air conditioner that is designed to be lightweight and durable. It is perfect for those who are looking to self diagnose or recharging AC systems. It maintains air conditioning systems by efficient removing moisture before refilling the refrigerant.
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This two stage air conditioner is perfect for a shopper who needs a powerful and reliable AC unit. It has a flow rate of 4.5 CFM and can achieve an ultimate vacuum of 5 Pa. Additionally, it features a 1/3 HP AC air tool rotary vane, making it perfect for use with air tools. Finally, it has an oil capacity of 225 ml, making it perfect for long-term use.
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This two stage air conditioner has an oil anti-back design that prevents the oil pump from contaminate the reflux line and the container is evacuated after the pump stops.
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This two stage air conditioner has an internal high volume cooling fan for extended use and an overheat self recovery fuse. There is an oil viewing window for monitoring oil quality and levels during when the vacuum pump is performed.
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This is a two stage air conditioner that can be used for commercial or household applications. It has a vacuum pump that can be used for refrigeration maintenance, printing machinery, thermoforming, vacuum packaging, or medical equipment.
Robinair (15500) VacuMaster Economy Vacuum Pump – 2-Stage, 5 CFM , Red

Key Features:
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The Robinair VacuMaster Economy Vacuum Pump is a two-stage air conditioner designed for air conditioning and refrigeration service. It features a 7.5 ounce oil capacity and non-skid feet.
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The two stage air conditioner has a free air displacement of 5 CFM and is factory rated to 35 microns.
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This is a two stage air conditioner with a 1/3 horsepower, 115 volt/60 hertz motor that is thermally protected.
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This two stage air conditioner features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
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This two stage air conditioner has 1/4 inch MFL & 3/8 inch ACME inlet fittings, 3/8 inch FFL x 1/2 inch Acme adapter, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining.
Emerson Sensi Wi-Fi Smart Thermostat for Smart Home, DIY, Works With Alexa, Energy Star Certified, ST55

Key Features:
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This two stage air conditioner is ideal for those who are looking for privacy protection. Sensi will not sell your personal information to third parties, ensuring that your privacy is protected.
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The Sensi smart thermostat is a two stage air conditioner that is ENERGY STAR-certified. It can help save energy with features like flexible scheduling, remote access, and usage reports.
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This is a two stage air conditioner that is easy to install. It does not require a common wire (c-wire) in most applications.
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The Sensi two stage air conditioner is a smart and efficient way to keep your home cool. It features two stages of cooling, so you can customize the temperature to your preference. Additionally, it includes a maintenance mode to help keep your system running smoothly and efficiently.
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The two stage air conditioner is a simple and easy to use device that helps regulate the temperature in your home. It has a sleek and modern design that can easily fit into any space, and the buttons are easy to use so you can control the temperature with ease.
Instant HEPA Quiet Air Purifier, From the Makers of Instant Pot with Plasma Ion Technology for Rooms up to 630ft2; removes 99% of Dust, Smoke, Odors, Pollen & Pet Hair, for Bedrooms & Offices, Pearl

Key Features:
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This two stage air conditioner has a HEPA-13 filter that captures 99.97% of dust, pollen, smoke, mold, & other ultrafine impurities, combined with Plasma Ion Technology that projects positive and negative ions in the air allowing you to breathe easy.
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The two stage air conditioner is a powerful air filtration system that can clean the air in a room up to 630 square feet in size in just minutes. It is also AHAM-verified to exchange 126 square feet of air 5 times per hour, so you can be sure that you are breathing in clean air.
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This two-stage air conditioner has an AUTO mode that automatically senses the air quality and adjusts the fan up or down according to the detected quality. A light band on the unit indicates when the air quality is good (white), okay (orange), or poor (red), and the unit will adjust itself to get back to good air quality.
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This two stage air conditioner has an activated carbon filter layer that helps reduce unpleasant smells, allowing your rooms or office space to feel refreshed.
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This two stage air conditioner is designed to be whisper-quiet, with a light sensor that automatically turns off displays and lowers noise levels when it is time for bed.
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The ENERGY STAR CERTIFIED two stage air conditioner has an Eco mode that cycles the fan on and off every 10 minutes. If air quality is detected good for 30 minutes, the Eco mode allows 50% energy reduction.
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This two stage air conditioner has a long lasting filter that can last up to 12 months. Changing the filter is easy, just unhinge the bottom of the purifier and swap out the old filter for a new one.
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This two stage air conditioner is designed to improve the air quality in your home by trapping and removing airborne contaminants. It features a powerful motor that circulates air through the unit to trap and remove pollutants, and a filter that captures and removes dust, pollen, and other allergens.
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This two stage air conditioner is not available for sale in Indiana.
Two Stage Air Conditioner FAQs
What is a two stage air conditioner?
A two stage air conditioner is an air conditioner that has two levels of cooling. The first stage is for cooling the air in the room and the second stage is for cooling the air in the house.
What are the benefits of a two stage air conditioner?
A two stage air conditioner is more efficient than a single stage air conditioner because it can operate at two different speeds. This allows the air conditioner to run at a lower speed most of the time, which uses less energy, and only run at a higher speed when it is needed.
What are the different types of two stage air conditioners?
The most common types of two stage air conditioners are central air conditioners and split-system air conditioners. Central air conditioners have an indoor unit and an outdoor unit, while split-system air conditioners have an indoor unit and an outdoor unit that are connected by refrigerant lines.
How does a two stage air conditioner work?
A two stage air conditioner has two levels of cooling capacity: high for hot days and low for milder days. This allows the air conditioner to run more efficiently, because it doesn’t have to work as hard on milder days.
What are the features of a two stage air conditioner?
The two stage air conditioner has two compressors that work together to cool your home. The first stage is for cooling and the second stage is for dehumidifying. The two stage air conditioner also has a more efficient filter that helps to remove more dust and pollen from the air.
Conclusion
There are many great two stage air conditioner on the market. Our list of the best two stage air conditioner will help you save time researching and choosing the best one for you.