Seven Sons Heating and Air, formerly Curt's Heating and Cooling, provides full-service heating, cooling, and geothermal system installation and repair for homes and businesses in Huron, South Dakota and the surrounding central SD communities. Geothermal systems are a dedicated service line: the company installs ground-source heat pumps that draw on the earth's stable subsurface temperature for efficient year-round heating and cooling, and also performs ongoing maintenance, upgrades, and troubleshooting on existing geothermal systems. Beyond geothermal, the company handles conventional HVAC, in-floor heating, boiler services, chillers, hot water heater installation, and custom ductwork fabrication, making it a comprehensive comfort contractor for the Huron region. The locally owned and operated shop serves Huron as well as surrounding communities including Broadland, Yale, Cavour, Virgil, Wessington, and Alpena.
Verified active operator per https://sevensonsllc.com + https://sevensonsllc.com/geothermal-systems/ (SD bundle audit 2026-06-02 — Opus QC)
Locally owned geothermal specialist serving seven Midwest towns with systems delivering up to 70% energy reduction and 50+ year underground component lifespan.
