WaterFurnace Residential Geothermal

WaterFurnace manufactures and sells more geothermal systems for homes than anyone else in the business. Why? Because we offer a wide variety of residential geothermal products. Our dealers and installers are the most highly trained in the industry. And we are wholeheartedly committed to customer support. All that makes us the first—and smartest—choice for a residential WaterFurnace system: the system that's "Smarter from the Ground Up."

Geothermal energy has been used to heat and air condition buildings for several decades, and, during that time, these geothermal systems have been called many different things. Some of the more popular variations include geo-thermal, geoexchange, ground-water, ground-water assisted, ground-water-source, water-to-water, and even our company name, water furnace heating and cooling.

All of these terms, though, convey the same thought: use of geothermal heat pump technology to tap the energy in the earth's surface and drive a heating and air conditioning system for both residential and commercial uses. The result is a green or natural heat pump that saves energy and benefits the environment.

Geothermal System Types

Learn more about All-In-One Geothermal Systems All-In-One Learn more about Split Geothermal Systems Splits Hydronic Systems explaination Hydronic All-In-One Systems: Provide year round comfort. Built to heat through the winter months, and provide cooling all summer. WaterFurnace geothermal heat pump systems replace the traditional indoor furnace/outdoor air conditioning applications.

7 series Variable Speed (700A11)

The most efficient WaterFurnace Geothermal System

The best of the best the WaterFurnace 7 Series Variable capacity system delivers comfort and savings you have to experience to believe.

  • Fully Variable Speed
  • Forced Air Heating, Cooling & Domestic Hot WAter
  • 3 to 5 ton variable capacity
  • Industry leader in efficiency, 5.1 - 5.3 COP, 36.0 - 41.0 EER
  • Built in performance monitoring & onboard diagnostics.
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5 Series Forced Air (500A11)

The Flagship Residential Geothermal Furnace

An upgrade to our Envision line that upholds the exceptional comfort and reliability expected from the WaterFurnace name.

  • Dual or Single Speed
  • Force Air Heating, Cooling & Hot Water.
  • 1 to 6 ton Sizes
  • Industry Leader in Efficiency, 4.1 - 4.8 COP, 23.4 - 30.0 EER
  • Optional built in performance monitoring & onboard diagnostics.
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3 Series (LDV, LDH)

A great balance of value and performance.

WaterFurnace 3 Series® units benefit from technology that’s been refined through 30 years of research, engineering advancements, and manufacturing experience—all at a great price point.

  • Dual Capacity
  • Forced Air Heating, Cooling & Hot Water
  • 2 thru 6 ton (5 sizes)
  • Industry Leading Efficiency, 33.7 - 4.1 COP, 20.6 - 22.3 EER
  • 3 Heat (with aux), 2 cool Stages
  • Aurora Base Controller with onboard diagnostics
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Synergy 3D (SDV)

The Synergy3D is a combination 4-1 unit.

Perfect for homes where you have radiant infloor heating and forced air heating / cooling with optional domestic hot water

  • Dual Capacity 3 in 1 System
  • Forced air heating, cooling, hot water and radiant infloor
  • 3 to 6 ton dual capacity (4 sizes)
  • 3.9 - 4.5 COP, 20.2 - 23.7 EER
  • 3 heat (with aux), 2 cool Stages
  • Premier Microprocessor Onboard diagnostics
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5 Series Opti Heat (504W11)

Vapor injection technology for higher temperatures and greater efficiencies

The 504W11 with OptiHeat Vapor Injection technology provides increased heating capacities, greater efficiencies, and higher water temperature output. Capable of delivering up to 150°F leaving hot water, this system is perfect for baseboard radiator systems, pool/spa heating, radiant floor applications, snow melt, and more. It’s never been easier to upgrade to a water heating system that uses the earth as its fuel source.

  • Water temperatures up to 150°F
  • High Temp Heating and Cooling
  • 3 to 5 ton
  • Industry leader in efficiency, Up to 16.1 EER / 3.3 COP
  • OptiHeat Vapor Injection technology.
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5 Series Water to Water Hydronic (502W12)

The geothermal equivalent to a Boiler

The 5 series water to water is a compact hydronic geothermal system that is perfect for radiant floor, spa, pools, fan coils. This unit is specifically engineered to produce up to 150 degree hot water for your high temp hydronic needs

  • High temperature hydronic. For boiler replacement and hot water applications.
  • 7 ton Dual Capacity compressor
  • 3.5 COP, 19.0 EER
  • 2 heat, 2 cool Stages
  • FX10 Controls.
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Envision™ Series NSW Hydronic

Add-on to other unit for high volume hot water users.

The wide range of operating temperatures, compact size, reversible control box and piping enable the NSW hydronic heat pump to be used in a variety of applications.

  • Hydronic unit for radiant floor, spas, pools, fan coils.
  • 1 1⁄2 to 6 tons single speed (6 sizes)
  • 1 heat, 1 cool Stages.
  • Premier Microprocessor Onboard diagnostics
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Envision™ Series NDW Hydronic

Perfect for radiant floor, spa, pools, snow and ice melt.

The Envision Series NDW is designed to meet the high-volume water demands of today's larger luxury homes.

  • Dual Capacity geothermal for radiant floor, spas, pools, fan coils.
  • 8 to 15 tons dual compressor (4 sizes)
  • 3.3 - 3.5 COP 18.4 - 22.0 EER
  • 2 heat, 2 cool Stages
  • Premier Microprocessor Onboard diagnostics
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5 Series Indoor Split (500R11)

Versatility. Used with remote air handler or gas furnace.

The 500R11 Splits are designed for indoor installations, and are connected to an indoor air handler (or fossil fuel furnace) to provide forced air heating, cooling, and even a portion of your domestic hot water.

  • Versatility. Used with remote air handler or gas furnace.
  • 2 to 6 ton Capacity
  • 3.8 - 4.4 COP 20.0 - 25.3 EER
  • 3 heat (with aux), 2 cool Stages
  • Aurora Base Controller with onboard diagnostics
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5 Series Outdoor Split (500RO11)

Used with remote air handler or gas furnace.

The 500RO11 Splits are designed for outdoor installations, and are connected to an indoor air handler (or fossil fuel furnace) to provide forced air heating and cooling.

  • Outdoor unit. Used with remote air handler or gas furnace.
  • 2 to 6 ton dual capacity (5 sizes)
  • 3.8 - 4.4 COP 20.0 - 25.3 EER
  • 3 heat (with aux), 2 cool Stages
  • Aurora Base Controller with onboard diagnostics
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Envision™ Air Handler

Used with split units to move air to and from the home.

The Envision Air Handler is available in 2 to 5-ton capacities with a refrigerant/hydronic coil option for a wide range of applications

  • Narrow cabinet for ease of installation
  • Field adjustable configurations
  • Slide-out blower assembly
  • Factory-installed txv
  • Stainless steel drain pan
  • Optional electric heat
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