Geothermal Heat Pumps

It depends on the home's cooling load, the loop type and the ground's thermal properties. Vertical boreholes fit on a normal lot but cost more to drill; horizontal trenches need open ground most Valley lots lack. There is no honest way to answer from a web page; a load calculation and a site review are the starting point.

Frequently, yes. The loop field is the long-lived, expensive half, and a new water-to-air unit can often be matched to it. We test the loop's flow, pressure and temperatures first to confirm it is sound and adequately sized before anyone commits to reusing it.

It is a small heat exchanger that uses waste heat from the compressor to preheat your water heater whenever the system runs. In a Phoenix summer the system runs constantly, so the hot water comes close to free for several months. On a new installation it is usually a modest add; on an existing unit it is a case-by-case question.

Outdoors, there is nothing to hear, which is the main reason some owners choose it. Indoors, the unit has a compressor and a blower in a closet, so a proper mechanical room, vibration isolation and a well-designed return matter more than they do with a rooftop unit.

Incentives have existed at the federal level and through Valley utilities, and the programs change. We do not publish amounts because they go stale. Our rebates page lists what is current, and we walk through eligibility on site as part of the estimate.

The usual causes are low loop flow from a tired pump, air in the loop, or a loop field that has warmed over the years and can no longer shed enough heat at peak. All three show up as high-pressure or high-temperature lockouts. Note the fault code if the thermostat shows one, switch the system off, and book a diagnosis rather than resetting it repeatedly.