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Hayward Giraud, LLC — operating as All Radiant Inc — is a Seattle-based geothermal and radiant heating specialist serving the greater Seattle area. Founded by Hayward Giraud, who serves as President, the firm is built around ground-source heat pump systems and WaterFurnace equipment, pairing geothermal heating and cooling with radiant floor distribution. Ground-source systems circulate fluid through buried loop fields to exchange heat with the earth, supporting efficient year-round comfort in the region's mild maritime climate. The company holds an active Washington state contractor license and is categorized by the Better Business Bureau as a geothermal heat pump business. Its work focuses on residential installations that combine geothermal heat pumps with hydronic radiant floor distribution for whole-home heating and cooling.
Verified active operator per the Better Business Bureau profile for All Radiant Inc and the WaterFurnace dealer locator (WA bundle audit 2026-06-02).
Unable to determine a specific differentiator based on available information.
Service Details
factory
Brands Installed
WaterFurnace
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WaterFurnace
Authorized Dealer
Regulatory Context
Geothermal Permitting in Washington
Geothermal heat pump installations in Washington 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.
Your request goes straight to Hayward Giraud, LLC. You'll hear from them directly, usually within 1-2 business days.
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If you need to reach Hayward Giraud, LLC directly: (206) 275-0394
Geothermal heat pump installations in Washington 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.