McQuay International 1.5 Ton Geothermal Heat Pump Review

McQuay has been developing and manufacturing geothermal heat pump systems for several years now, and the McQuay International 1.5 Ton Geothermal Heat Pump is an excellent example of the exacting quality of which they are capable. The unit maintains reliable geothermal heating and cooling at a very high efficiency level, is reasonably priced, and features solid warranty protection.


  • McQuay is known for building very high efficiency units, and this one is no different. It can maintain EER 26.1 and COP 4.4. These ratings are higher than just about any conventional air conditioner, and surpass many other geothermal heat pump systems too.

  • Comes standard with a 5 year warranty on all parts and a 10 year warranty on the compressor which is fairly typical in the industry.

  • Easily integrated into LONWORKs or BACnet communications networks.

  • Compressor sound blanket reduces operating noise.


  • The International 1.5 is not outrageously priced, but it is more expensive than competitor brands with similar, if slightly inferior, energy efficiency stands.

Bottom Line

The bottom line is that the McQuay International 1.5 Ton is a solid choice for home geothermal heating and cooling. It’s got high efficiency ratings, quality components, and plenty of long term operating potential.

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