Geothermal Heat Pumps Questions

The underground loop is rated for 50-plus years because no mechanical parts are buried. The indoor heat pump unit has a shorter service life and follows a standard maintenance schedule. The long loop lifespan is a key part of the payback calculation for the higher upfront cost.

Larger lots can usually support a horizontal loop field trenched at four to six feet deep. Smaller lots may need vertical drilling instead. A site evaluation measures your available area and soil conductivity to determine which loop type fits before any ground work is planned.

A system that is already failing will cost more in emergency repairs and may leave you without heating or cooling mid-season. Sizing and planning a geothermal loop takes time, so starting the site evaluation while the existing system still runs gives you options rather than forcing a rushed decision.

Yes, but the home needs compatible ductwork or a distribution system the indoor unit can connect to. A load calculation during the site evaluation flags any ductwork upgrades needed so they are included in the written estimate, not discovered after installation starts.

The federal residential clean energy credit ended for systems placed in service after December 31, 2025. Homeowners planning a 2026 install should not assume that credit applies. Check with a tax adviser for any state or utility incentives that may still be available in Colorado.

The upfront cost is higher than a standard HVAC replacement, and the ground loop requires significant site work. Properties with difficult soil, limited yard access, or rocky ground may face higher drilling costs. A site evaluation quantifies these factors before you commit to anything.