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10 Best Condensate Pump For Furnace 2025 in the United States

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Our Top Picks

#1

Winner

Aquastrong 1/38 HP 85 GPH HVAC Condensate Pump, 115V/230V, Automatic Safety Switch, AC Condensate Removal for Air Conditioner, Furnace, Dehumidifier, 3.3' Power Cord

Rating
9.9
Chosen by1,474
Flow Rate
Reservoir Capacity
Noise Level

Most important from
813 reviews

Flow Rate
The pump effectively gets rid of condensate, providing an easier solution compared to complex plumbing setups.
Reservoir Capacity
The pump's automatic operation with its own reservoir and level switch ensures reliable performance without frequent manual intervention.
Noise Level
It's very quiet and operates efficiently, even in demanding situations like continuous use with a dehumidifier.
Durability and Build Quality
It has proven to be a dependable solution for managing humidity levels, maintaining ideal conditions for sensitive equipment like 3D printers.

The Aquastrong 1/38 HP 85 GPH HVAC Condensate Pump offers a range of features that make it suitable for efficiently removing condensate from air conditioners, furnaces, and dehumidifiers. With a flow rate of 85 gallons per hour (GPH) and the ability to lift water up to 20 feet, it handles typical condensate removal tasks effectively. Its automatic operation, triggered by water levels, ensures ease of use and convenience.

The pump's compact and vertical design allows for easy installation and maintenance, while the solid plastic construction provides good durability against abrasion and corrosion. Its reservoir has a capacity of 0.5 gallons, which is ample for most residential applications. The integrated safety switch is a notable feature that helps prevent overflows by shutting off connected appliances if high water levels are detected. This is a key safety consideration for users who want to avoid water damage.

While noise levels aren’t explicitly mentioned, the description highlights its quiet operation, which is ideal for in-home use. At 2.57 pounds, it is lightweight and easy to handle. The pump includes a 3.3-foot UL power cord for safety and convenience. On the downside, regular maintenance is required to clean the pump reservoir, float, and filter basket every six months to prevent clogging. This may be a minor inconvenience for some users. Due to its balance of reliability, performance, and safety features, the Aquastrong condensate pump is a strong option for homeowners needing a dependable solution for their HVAC systems.

Rating
9.9
Chosen by1,474
Flow Rate
Reservoir Capacity
Noise Level

Most important from
813 reviews

Flow Rate
The pump effectively gets rid of condensate, providing an easier solution compared to complex plumbing setups.
Reservoir Capacity
The pump's automatic operation with its own reservoir and level switch ensures reliable performance without frequent manual intervention.
Noise Level
It's very quiet and operates efficiently, even in demanding situations like continuous use with a dehumidifier.
Durability and Build Quality
It has proven to be a dependable solution for managing humidity levels, maintaining ideal conditions for sensitive equipment like 3D printers.
#2

DiversiTech CP-22 Series Automatic Condensate Pump for HVAC/R Equipment, Condensation Removal Pump with Removable Check Valve, 120V, 22' Lift

The DiversiTech CP-22 Series Automatic Condensate Pump is a reliable option for managing condensation in HVAC/R systems. With a 22-foot lift height, it effectively moves water vertically, which is beneficial for systems where the pump needs to push the condensate over a significant height. The flow rate of 1.8 gallons per minute ensures that it can handle substantial amounts of condensate efficiently.

Weighing just 5 pounds and made from durable plastic, it is both lightweight and sturdy. The removable check valve is a user-friendly feature, making maintenance easier and reducing the risk of backflow issues. The metal mounting tabs and four inlet holes offer flexibility and ease of installation in various setups. It operates on a standard 120V power source, making it compatible with most HVAC/R systems.

This pump's design to handle condensate temperatures up to 160 degrees Fahrenheit adds a layer of reliability for high-temperature applications. It is particularly suited for users looking for a durable, easy-to-maintain pump for standard HVAC/R applications.

#3

Little Giant 554425 VCMA-20ULS 80 GPH 1/30 HP Automatic Condensate Pump with Safety Switch for HVAC, Dehumidifier, Furnace, Air Conditioner

Rating
9.6
Durability and Build Quality
Noise Level
Flow Rate

Most important from
7270 reviews

Durability and Build Quality
The pump demonstrates impressive durability, even after battling significant sediment and gunk buildup over many years.
Noise Level
The pump runs quietly during discharge and stays on just long enough to fully empty the condensate tank.
Flow Rate
It efficiently clears water from long, vertical drain lines with strong pressure, ensuring no residual water remains in the pipes.
Reservoir Capacity
Regular maintenance is essential; the tank needs flushing and cleaning at least annually to prevent clogging and ensure reliable operation.
Safety Features
The built-in float switch and check valve work reliably, and adding a second check valve is recommended for longer vertical runs.

The Little Giant VCMA-20ULS is a solid choice for removing condensate from furnaces, air conditioners, and dehumidifiers. It has a reasonable flow rate of 80 gallons per hour, which means it can handle typical condensate amounts efficiently. The pump can push water up to about 20 feet high, which covers most residential needs. It’s compact thanks to its vertical switch design and has a sturdy ABS plastic tank and stainless steel motor shaft, ensuring good durability. The motor is thermally protected to prevent overheating, which adds to its reliability.

One helpful safety feature is the built-in overflow detection switch that can stop your HVAC system or trigger an alarm if water backs up, though setting this up might require some basic wiring skills. It runs on standard 115V power and comes with a 6-foot cord for easy installation. The pump's design and flow rate suggest it handles condensate without frequent cycling.

This pump is a dependable and well-built option for homeowners wanting a straightforward, automatic condensate removal solution, especially if you can handle minor electrical setup for the safety switch. If you want a truly silent pump or need a larger capacity, you might want to check other models.

Rating
9.6
Durability and Build Quality
Noise Level
Flow Rate

Most important from
7270 reviews

Durability and Build Quality
The pump demonstrates impressive durability, even after battling significant sediment and gunk buildup over many years.
Noise Level
The pump runs quietly during discharge and stays on just long enough to fully empty the condensate tank.
Flow Rate
It efficiently clears water from long, vertical drain lines with strong pressure, ensuring no residual water remains in the pipes.
Reservoir Capacity
Regular maintenance is essential; the tank needs flushing and cleaning at least annually to prevent clogging and ensure reliable operation.
Safety Features
The built-in float switch and check valve work reliably, and adding a second check valve is recommended for longer vertical runs.

Buying Guide for the Best Condensate Pump For Furnace

Choosing the right condensate pump for your furnace is crucial to ensure efficient removal of the condensation that your furnace produces. A condensate pump helps to move the water from your furnace to a proper drainage system, preventing water damage and maintaining the efficiency of your heating system. When selecting a condensate pump, consider the following key specifications to ensure you get the best fit for your needs.
Flow RateThe flow rate of a condensate pump indicates how much water it can move per unit of time, usually measured in gallons per hour (GPH). This spec is important because it determines how quickly the pump can remove condensation from your furnace. For small residential furnaces, a lower flow rate (up to 50 GPH) may be sufficient. For larger systems or commercial applications, you might need a higher flow rate (over 100 GPH). To pick the right flow rate, consider the amount of condensation your furnace produces and choose a pump that can handle that volume efficiently.
Lift HeightLift height, or head height, refers to the maximum vertical distance the pump can move water. This is important if your drainage point is located above the pump. Lift height is typically measured in feet. For most residential applications, a lift height of 10-20 feet is usually adequate. If your setup requires the pump to move water to a higher elevation, you may need a pump with a lift height of 20 feet or more. Assess the vertical distance from your furnace to the drainage point to determine the necessary lift height.
Reservoir CapacityThe reservoir capacity of a condensate pump indicates how much water the pump can hold before it needs to activate and start pumping. This is important because a larger reservoir can reduce the frequency of pump cycles, potentially extending the pump's lifespan. Reservoir capacities are usually measured in gallons. For typical residential use, a smaller reservoir (around 0.5 gallons) may be sufficient. For larger systems or areas with high humidity, a larger reservoir (1 gallon or more) might be necessary. Consider the condensation rate of your furnace and the humidity level in your area to choose the appropriate reservoir capacity.
Noise LevelThe noise level of a condensate pump can be an important factor, especially if the pump is located in a living area or near bedrooms. Noise levels are usually measured in decibels (dB). Quieter pumps typically produce less than 50 dB, while louder pumps can exceed 60 dB. If noise is a concern, look for pumps specifically designed to operate quietly. Consider the location of the pump and the sensitivity of the occupants to noise when selecting a pump with an appropriate noise level.
Durability and Build QualityDurability and build quality are crucial for ensuring the longevity and reliability of your condensate pump. A well-built pump made from high-quality materials will be more resistant to wear and tear, reducing the need for frequent replacements. Look for pumps with robust construction, corrosion-resistant materials, and positive user reviews regarding their longevity. If your furnace operates frequently or in a harsh environment, investing in a durable pump can save you time and money in the long run.
Safety FeaturesSafety features in a condensate pump can help prevent potential issues such as overflow or pump failure. Common safety features include overflow protection, automatic shut-off, and alarms. These features are important because they can protect your home from water damage and alert you to any problems with the pump. If you want added peace of mind, look for pumps with built-in safety features. Consider the potential risks and the importance of early problem detection when choosing a pump with the right safety features.

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