Sep 8, 2026
How Much Does HVAC Replacement Cost? (2026 Cost Guide)
Reading Time About 16 Min
Open 24/7 · Responding in Same-day
HVAC Company
Stewart Heating, Plumbing & Air Conditioning
VerifiedEstablished · 52 yrs
4.8(25 reviews)•Residential•Serving Pittsburg, CA
EPAEnergy StarNATENCI
Family-owned HVAC, plumbing, and air conditioning company serving residential, commercial, and industrial clients in Pittsburg, CA and Contra Costa County.
Stewart Heating, Plumbing & Air Conditioning is an HVAC contractor based in Pittsburg, CA. Services listed include HVAC services, air conditioning service, heating solutions and furnace repairs. 52 years in business and emergency service available.
52
Years in Business
Yes
Emergency Service
Available
Financing Available
Pittsburg, CA
Service Area
Services Offered
HVAC services
air conditioning serviceheating solutions
furnace repairsnew installations
leak repairs
clog fixes
water systems
indoor air quality servicesair purifiersfiltration systems
humidifiersheat pump servicesheat pump repairsheat pump installationsheat pump maintenanceemergency servicemaintenance plansSpecial Offers
Offer
$50 Off Any Plumbing or Drain Cleaning Service
Offer
$100 Off Whole House Service & Free Camera
Customer Sentiment Summary
Strengths
- Crews carry themselves professionally — 5 reviewers single out polite, respectful technicians.
- 3 reviewers describe the technicians as personable and pleasant to deal with.
- A handful of reviewers (2) mention punctual arrivals and advance courtesy calls.
Areas to Watch
- No complaint recurs across the 25 reviews analysed, which is consistent with the 4.8-star average — but a clean record is not the same as a long one.
Reviews from Best HVAC visitors
No Best HVAC reviews yet
Been a customer of Stewart Heating, Plumbing & Air Conditioning? Be the first to rate them.
Get Your HVAC Business Listed
Want to put your heating and cooling company in front of local homeowners and businesses actively searching for reliable HVAC services? Claim your spot and connect with high-intent customers in your area.
Get Featured
Blog / News
View all articles HVAC Tips, Guides & Industry News
Sep 7, 2026
Why Does My Thermostat Screen Go Blank?
Reading Time About 6 Min
Sep 6, 2026
How to Clean AC Condenser Coils Safely
Reading Time About 7 Min
Sep 3, 2026
AC Blowing Warm Air? Common Causes and Fixes
Reading Time About 6 Min
FAQ
Contact Our TeamFrequently Asked Questions
Have another question? Our team is here to help.
Stewart Heating, Plumbing & Air Conditioning lists HVAC services, air conditioning service, heating solutions, furnace repairs, new installations and indoor air quality services. Contact them to confirm they handle your specific job.
Stewart Heating, Plumbing & Air Conditioning is based in Pittsburg, CA.
Yes, Stewart Heating, Plumbing & Air Conditioning lists emergency service. Call them directly for urgent heating or cooling repairs.
Use the call button, website link or contact details on this page to reach the company directly.
Get in touch and we will keep your listing details accurate and add photos.