About this Nominee
A-1 Guaranteed is a family-owned heating and cooling company proudly serving homeowners in the Bay Area and throughout Solano, Napa, and Contra Costa Counties for nearly 30 years. We’re known throughout the community for our top-quality work and outstanding customer service, and we stand behind our installations with a 100% money-back guarantee. We’re your one-stop HVAC contractor for heating, cooling, and home electrification. As California transitions away from gas, we can help you make smart upgrades that improve comfort, lower energy bills, and reduce your environmental impact.