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Why Choose

A-1 Guaranteed?

Family-Owned & Operated

Highly Experienced with Nearly 30 Years in Business

Heat Pump & Home Electrification Experts

Participating Contractor with Rebate & Incentive Programs

Factory Trained Installers & Service Technicians

Drug-Free Environment Maintained & Enforced

All Employees Fully Background Checked

Voted Best Heating & Cooling Company for 19 Years

Voted Best of the Bay by KRON 4 TV for 5 Years

Diamond-Certified Company

Four-Time Angie’s List Super Service Award Winner

Better Business Bureau Honor Roll for 27 Years

Certified Green Business

North American Technician Excellent (NATE) Certified

Solano County’s Best of 2024

Golden State Rebates

GoGreen Financing

18 Years Diamond Certified

HEEHRA Rebate

Comfortably California

Hero Registered Contractor

TECH Clean California

SMUD Participating Contractor

2018 Angie’s List Super Service

2024 Nextdoor Neighborhood Favorite

BPI GoldStar Contractor

Bay Area Green Business

BBB Accredited Business

KRON 4 Best of the Bay

Bryant Factory Authorized Dealer