Having a furnace that is operating efficiently, properly, and safely during the cool fall and winter months is essential. Our highly trained technicians offer the very best experience in Furnace inspection, repair, replacement, and maintenance ensuring your family’s safety and comfort.

We are committed to providing incomparable and unparalleled industry leading services to our customers. If you are looking for ways to lower operational costs, increase efficiency of your home or your furnace just isn’t operating properly, you can feel confident that we will perform a comprehensive diagnostic giving you all the options available to make your furnace operate safely, correctly, and efficiently. A-1 Guaranteed Heating and Air, Inc. is a no pressure company dedicated to looking at every aspect of your home’s performance providing you with the best available options for your system. We are so confident of your satisfaction, we offer a 100% Money Back Guarantee on our work providing you Peace of Mind that we have done the job correctly. Our mission statement is, Your family’s comfort and safety is our family’s priority. Whether you need small repairs or a new furnace, A-1 Guaranteed is your solution for furnace repair, maintenance, and replacement in the Bay Area.

When Choosing A-1 Guaranteed Heating and Air you get the following:

    • Unrivaled customer service spanning over 23 years
    • A family owned business
    • A Diamond, Nate and Bay Area Green Business Certified company
    • The Best Heating/Cooling Company in Solano County for 14 years by VTH
    • The Best Bay Area Heating/Cooling Company for 5 years by KRON4
    • A Better Business Bureau Honor Roll Member
    • Energy Upgrade Participating Contractor specializing in Home Performance
    • Experienced, background checked and factory trained technicians familiar with all makes of furnaces
    • A company dedicated to energy efficiency, safety and comfort in your home
    • Fast and efficient service
    • Confidence that we will do everything to protect your home

Our customer satisfaction money back guarantee

With A-1 Guaranteed Heating and Air you no longer have to worry about furnace issues, as our team of highly qualified, professional technicians are happy to assist you with all your furnace repair and replacement needs.

Call A-1 Guaranteed Heating & Air, Inc. today, to speak with one of our friendly customer care professionals.

contact us today!


    Awards & Certificates

    • Better Business Bureau Honor Roll Member for 21 Years Running
    • BPI Certified
    • Energy Upgrade Participating Contractor
    • Trane Award for Superior Installation and Service
    • Voted Best Heating/Cooling Company for 14 years by Readers of The Vallejo Times Herald
    • Vallejo Schools V.I.P. Award for Partners in Education
    • Vallejo Little League for Support and Generosity
    • Bay Area Certified Green Business
    • Employee Support of the Guard & Reserve by Office of the Secretary of Defense
    • Energy Efficiency Award by Energy Upgrade California


    • Chambers of Commerce: State of California, City of Vallejo, and City of American Canyon
    • League of California Homeowners
    • Electric & Gas Industries Association
    • Air Conditioning Contractors of America
    • Napa-Solano Builders Exchange
    • Better Business Bureau
    • Safety Services Company
    • NATE Certified
    • EGIA Approved Contractor
    • Diamond Certified
    • A-1 Guaranteed Heating & Air Conditioning
      1768 Broadway St. Vallejo, CA 94589