Honest, practical guides for homeowners researching geothermal heat pumps.
Geothermal costs $20,000–$50,000 installed. After the 30% federal tax credit, is it actually worth it? A breakdown of the real numbers, payback periods, and who it makes sense for.
Both are efficient. Both are heat pumps. But they work very differently and suit different homes. A straight comparison of costs, efficiency, cold-weather performance, and payback.
Ground temperatures stay constant year-round. Geothermal systems exploit that stability to heat and cool your home at 300–500% efficiency. Here is how the whole system works.
WaterFurnace and ClimateMaster account for most residential geothermal installations in the US. A head-to-head comparison of efficiency, pricing, warranties, and dealer networks.
A WaterFurnace installation runs $25,000–$50,000 before the 30% federal tax credit. Full breakdown by model series (3, 5, 7 Series), loop type, and region.