So, for a geothermal heating and cooling system, the average low cost is $17,000, the average middle cost is $24,500, and the average high cost is $32,300. Featured Partners. Advertisement.

An apartment building just off the boardwalk in Coney Island boasts a heated outdoor pool, ... Brooklyn, shown here in a rendering, will use a geothermal system for heating and cooling.

Heating, ventilating and air conditioning (HVAC) systems provide homes and office buildings with clean, temperature-controlled air. Use our guide to research the best heating and cooling system ...

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs.

7 Mistakes We're All Making With Our Heating and Cooling Systems, HVAC Pros Say. Timothy Dale. April 24, 2025 at 12:22 AM. Copied; Grace Cary / Getty Images.