heating & air conditioning services
Diamond Certified

Sales Service Installation

Call Us Today!

(707) 645-0734Vallejo

(925) 609-8800Contra Costa

Serving Solano, Napa and Contra Costa Counties
CA License # 719381

Business Hours are 8:00 AM to 5:00 PM Monday - Friday and Saturdays by appointment.
Office will be closed the 3rd Wednesday morning of each month for company-wide training.
A-1 Guaranteed Heating & Air, Inc.
CA license # 719381
1768 Broadway, Vallejo, CA 94589 (See map below)
TOLL FREE : (888) 421-2473
Vallejo : (707) 645-0734
Fairfield : (707) 421-8782
Contra Costa : (925) 609-8800
FAX : (707) 649-2701
Service and Maintenance
Jeannie@a-1guaranteed.com
For a free estimate on new equipment
diane@a-1guaranteed.com
Marketing & Personnel
Krissyh@A-1Guaranteed.com

A-1 Guaranteed Heating & Air Conditioning
1768 Broadway St. Vallejo, CA 94589

(707) 645-0734 and (925) 609-8800
To contact us via email and tell us a little bit about what it is that you’re looking for, feel free to use the form below and we will contact you as soon as possible.
 
 
 
1768 Broadway St. Vallejo, CA 94589
(732) 972-0918