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D'Spain Sales and Service is a family-owned HVAC, plumbing, and water well company founded in 1974 and headquartered in Bandera, Texas. The company serves an extensive Texas Hill Country footprint from the Boerne area through Kerrville, Fredericksburg, and Comfort. D'Spain installs ground-source geothermal heat pump systems — circulating antifreeze solution through closed underground loops to exchange heat with the earth — along with new ductwork and underground piping. The company partners with Lennox and offers free consultations. Service covers residential and commercial customers across Bandera, Kendall, Bexar, and Kerr counties. A related entity, Trey D'Spain & Sons, separately serves Boerne and surrounding Hill Country communities with the same geothermal capabilities.
D'Spain Sales and Service — Bandera TX geothermal installer since 1974. Closed-loop ground-source heat pumps, Lennox systems, Texas Hill Country.
Service Details
schedule
Years in Business
52 years
precision_manufacturing
Boring Methods
Vertical, Horizontal
factory
Brands Installed
Lennox
Service Area
Serves 7 areas across Texas
BanderaBoerneKerrvilleFredericksburgComfortIngramSan Antonio
Regulatory Context
Geothermal Permitting in Texas
Geothermal heat pump installations in Texas require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
Geothermal heat pump installation in Bandera typically costs between $18,000–$45,000 depending on system size, loop type (vertical vs. horizontal), lot conditions, and home square footage. Available state and utility incentives can reduce net cost (federal §25D credit ended Dec 31, 2025 under OBBBA; §48 commercial ITC may still apply). Request quotes from multiple certified installers in Texas to compare pricing.
Most Texas municipalities require permits for geothermal well drilling and ground loop installation. Requirements vary by county — some require driller licensing, environmental impact review, or water well permits. Your geothermal installer should handle the permitting process. Contact your local Bandera building department for specific requirements.
Geothermal heat pumps typically last 20–25 years for the indoor unit and 50+ years for the ground loop. In Bandera's climate, a properly maintained system provides reliable heating and cooling with minimal degradation. Annual professional maintenance and filter changes every 3 months help maximize system lifespan.
Most properties in Bandera, Texas can support geothermal systems. Vertical loop systems require minimal land area (as little as a standard residential lot), while horizontal loops need more yard space. A qualified installer will conduct a site assessment including soil conductivity testing to determine the best loop configuration for your property.
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If you need to reach D'Spain Sales and Service directly: (830) 796-3697
Geothermal heat pump installations in Texas may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
