Brand Feature: Little Giant Condensate Pumps Posted on July 15, 2026 Excess condensation is one of the biggest enemies of HVAC equipment. Left unchecked, it can lead to corrosion in metal components, short-circuit electrical controls or ruin the blower motor. It also creates a damp environment that promotes mold and bacteria growth, which degrades indoor air quality and can cause health issues. Condensate pumps exist for this reason. And when it comes to condensate pumps, Little Giant has made a name for reliable and quiet operation, whether its pumps for residential furnaces, mini splits, or commercial refrigeration units. About Little Giant Little Giant got its start in 1926, when air conditioning was just starting to become popular in American households. Early AC units used a pump to push water up into a screen for evaporative cooling, but these pumps tended to fail at an alarming rate. Recognizing the problem, a plumber by the name of R.M Wolfe partnered with an inventor named Harry Goodman to create the solution: the world’s first evaporative pump. Their success led to the creation of the Little Giant Vaporizer in 1941, which became the cornerstone of the Little Giant brand. By the 1950s, the company expanded into condensate pumps, which it continues to specialize to this day, along with submersible pumps, sump pumps, and grinder pumps for wastewater and professional HVAC. With its 80 years of expertise, the brand has become the go-to pump for HVAC, plumbing, pool, and hydroponics applications. Why Little Condensate Pumps Stand Out Little Giant is not just another pump manufacturer, it pioneered the submersible water pump with its innovative Little Giant Vaporizer Pump, which could be used both underwater and on dry land. This paved the way for the company’s condensate pumps, including the groundbreaking VCMA condensate pump released in 1999. Little Giant condensate pumps are designed for automatic condensate collection and removal in situations where gravity drainage is not enough. Their product lineup covers air conditioners, ductless mini split systems, dehumidifiers, high-efficiency furnaces, boilers, and commercial and industrial refrigeration equipment. Features of Little Giant’s condensate pumps include: Thermally protected motors Automatic float-switch activation Stainless steel motor shafts High lift capacities Overflow safety switch compatibility Corrosion-resistant ABS construction Compact footprints for applications requiring tight installation spaces Finally, Little Giant’s products are not generic utility pumps repurposed for HVAC. They are purpose-built condensate management systems, covering residential, commercial, and industrial HVAC equipment. How to Choose a Little Giant Condensate Pump 1. Lift Height The pump must cover the vertical drainage distance. To be safe, always go with extra lift capacity beyond your actual installation height. 2. Condensate Volume High-efficiency furnaces and humid climates can produce significantly more condensate. For larger systems or humid locations, the VCMA-20 or PRO-series models are recommended. 3. Installation Space Closets, ceiling plenums and ductless systems may require low-profile or undermount pumps. 4. Noise Levels If the AC or HVAC is near living spaces, noise is an important factor. Reddit reviews say Little Giant pumps are “very quiet” in this regard. Note however that proper maintenance and tubing conditions can affect sound levels. Little Giant Condensate Pumps Lineup Entry level: Little Giant VCMA-15ULS 15′ Tank Condensate Pump with Safety Switch A compact and affordable condensate pump ideal for smaller residential AC systems, condensing furnaces, and basic HVAC drainage applications, this vertical centrifugal pump has maximum flow capacity of 65 gallons per hour (GPH) at 1′ lift and a 15′ shut-off. At 5′ it can remove 50 GPH and 10′ will remove 25 GPH. It has a 1/2 gallon collection tank and runs on 115V. It has a highly compact footprint, taking up less than a square foot of floor space, measuring 11″l x 5″w x 7″h. Price: $48.00 Little Giant VCMA-15ULS 15' Tank Condensate Pump with Safety Switch - 115V The Little Giant Condensate Pumps are designed to collect and remove condensation created when using air conditioning, refrigeration and dehumidification equipm... View Product Pro Series: Little Giant VCMA-20ULS-PRO 19′ Tank Condensate Pump with Safety Switch A step up over the basic series, this Pro unit features a 1/30 HP motor, automatic start-stop operation, a safety overflow switch, and up to 20 feet of lift capability. It has a maximum flow capacity of 78 gallons per hour (GPH) at 1′ lift and a 19′ shut-off. At 5′ it can remove 67 GPH, at 10′ it will remove 51 GPH and at 15′ it will remove 29 GPH. It is constructed of durable plastic to eliminate corrosion risks compared to steel, with a 3/8″ barbed, 1/4″ quick-release, locking discharge adapter with built-in check valve. Price: $95.00 Little Giant VCMA-20ULS-PRO 19' Tank Condensate Pump with Safety Switch - 230V The Little Giant Condensate Pumps are designed to collect and remove condensation created when using air conditioning, refrigeration and dehumidification equipm... View Product Acidic Applications: Little Giant VCMA-20-NPTC 20′ Neutralizing Tank Condensate Pump with Safety Switch This model is designed to protect septic and plumbing systems from acidic condensate. Not only does it collect water condensate, it has an integrated acidic condensate collection area with its own dedicated inlet, where neutralizing media treats the acidic condensate before it gets into the plumbing system.Many power vented gas appliances product acidic condensate that can damage the pump and plumbing if not neutralized. The pump has a maximum flow capacity of 80 gallons per hour (GPH) at 1′ lift and a 20′ shut-off. At 5′ it can remove 70 GPH, and at 10′ it will remove 48 GPH. It has a 140°F maximum fluid temperature. There are three 1-1/8″, non-acidic condensate inlets, two of which each include a removable cap plug. It also includes a dedicated neutralizing chamber with a dedicated 1-1/4″ inlet. The pump measures 19″l x 5″w x 7″h. Price: $184.00 Little Giant VCMA-20-NPTC 20' Neutralizing Tank Condensate Pump with Safety Switch - 115V The Little Giant Condensate Pumps are designed to collect and remove condensation created when using air conditioning, refrigeration and dehumidification equipm... View Product Say Goodbye to Condensate Problems with Little Giant Little Giant is one of the most trusted brands in condensate management, with its field-tested and contractor-approved products. Not only are its pumps compatible with many HVAC systems, they are available in specialized configurations for specific professional applications. The VCMA-20 series in particular is somewhat of an industry benchmark for residential condensate pumps. If you experience condensate issues and regular gravity drainage just won’t cut it, a Little Giant condensate pump is one of the best long-term investments you can make for your AC or HVAC. Mickey Luongo Mickey is the resident heating and air conditioning expert with over 15 years of experience in the industry.
