📍 310 N Civic Dr Apt 102, Walnut creek, CA, 94596
📞 925-766-9992
Serving all of Contra Costa and Alameda counties including Concord, Antioch, Richmond, Walnut Creek, Oakland, Berkeley and Hayward Our Services Include: AC System Installation, AC System Repair, HVAC Service, Heating Service Installation, Heating System Repair, Indoor Air Quality Solutions
📍 2201 Commerce Ave, Concord, CA, 94520
📞 925-676-0440
📍 2812 Clayton Rd, Concord, CA, 94519
📞 925-250-1174
📍 53 Mission Ln, Walnut Creek, CA, 94597
📞 925-899-4737
📍 812 Grayson Rd, Pleasant Hill, CA, 94523
📞 925-947-1400
📍 2308 Bates Ave Ste E, Concord, CA, 94520
📞 925-687-1313
William Stewart Heating & Air specializes in the repair and installation of heating and air conditioning units for commercial and residential properties. For more information or to schedule service give us a call today. We accept all major credit cards.
📍 3362 Dyer Dr, Lafayette, CA, 94549
📞 925-283-1097
Locally owned and operated. See us for all your needs
📍 Serving Your Area, Concord, CA, 94520
📞 925-566-6890
When you think your equipment isn’t living up to its potential or it’s time for your routine seasonal check-up, We can perform complete system maintenance
📍 395 Taylor Blvd, Pleasant Hill, CA, 94523
📞 925-602-5340
Updated Jul 2026
📍 1717 Solano Way Ste 42, Concord, CA, 94520
📞 925-686-1366
🌐 www.comparehvac.com
Serving the East Bay for more than 50 years, a heating and air conditioning contractor offering installation, repair, maintenance and service of all HVAC.