WaterFurnace
FeaturedFort Wayne, Indiana
Founded 1983
About WaterFurnace
WaterFurnace International is the industry-leading manufacturer of geothermal and water source heat pump systems for residential, commercial, and institutional applications. Founded in 1983 in Fort Wayne, Indiana, WaterFurnace has earned a reputation for engineering the most reliable and energy-efficient geothermal heat pumps available, with systems achieving up to 530% efficiency. Now a subsidiary of NIBE Industrier AB of Sweden, WaterFurnace products are designed, engineered, and assembled in the United States. Their product lineup includes the flagship 7 Series variable capacity system, the versatile 5 Series, the accessible 3 Series, and the commercial Envision line.
About WaterFurnace
WaterFurnace International is the industry-leading manufacturer of geothermal and water source heat pump systems for residential, commercial, and institutional applications. Founded in 1983 in Fort Wayne, Indiana, WaterFurnace has earned a reputation for engineering the most reliable and energy-efficient geothermal heat pumps available, with systems achieving up to 530% efficiency. Now a subsidiary of NIBE Industrier AB of Sweden, WaterFurnace products are designed, engineered, and assembled in the United States. Their product lineup includes the flagship 7 Series variable capacity system, the versatile 5 Series, the accessible 3 Series, and the commercial Envision line.
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Product Lines
Certifications & Standards
WaterFurnace Product Lines
WaterFurnace 3 Series (300A11)
Residential Heat PumpThe 3 Series delivers reliable geothermal performance at an accessible price point. Ideal for budget-conscious homeowners who want the benefits of geothermal energy without the premium price tag. Single-stage compressor with consistent comfort.
WaterFurnace 5 Series (500A11)
Residential Heat PumpThe 5 Series offers exceptional efficiency with two-stage compressor technology. It provides reliable heating, cooling, and optional hot water generation. A step down from the 7 Series but still delivering outstanding performance and ENERGY STAR certification.
WaterFurnace 7 Series (700A11)
Residential Heat PumpThe 7 Series is WaterFurnace's most advanced and efficient geothermal heat pump. Featuring variable-speed technology with up to 41.0 EER, it delivers unmatched comfort and efficiency. The 700A11 model provides heating, cooling, and optional hot water generation, earning ENERGY STAR Most Efficient recognition.
WaterFurnace Envision NDV
Residential / Light CommercialThe Envision NDV is a dual-capacity geothermal heat pump designed for residential and light commercial applications. It features a compact vertical design that fits in tight spaces while delivering powerful heating and cooling performance.
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