Geothermal.contractors

All Seasons Heating & Cooling was founded in 1985 by Joe Mettille, who has been in the HVAC trades since 1977. The Dubuque-based company has offered geothermal heat pump services since 2002, installing both vertical bore (approximately 400-foot well-drilling rig) and horizontal trench loop configurations. All Seasons holds authorized Lennox dealer status and the Lennox Centurion Award, placing it in the top 75 dealers in the eight-state north-central region. The company operates from two Iowa locations — Dubuque and Davenport — and serves a tri-state territory spanning northeast Iowa, northwest Illinois, and southwest Wisconsin. Verified active operator per https://www.allseasonshc.com/geothermal/ (factcheck 2026-05-26)