Trust Heating and Air Conditioning
West Covina Heating & Air Conditioning Service Homeowners Trust
Proudly serving West Covina, Covina, Glendora, Walnut, and the greater San Gabriel Valley.
Residential and commercial HVAC installation, repair, maintenance, and refrigeration — done right, with honest pricing.
111 Google Reviews
- 100+ Five-Star Reviews
- Same-Day Service
- Free Estimates
- Licensed & Insured
- Residential & Commercial
Straight From the Field
No stock photos — every shot here is our own crew on an actual residential or commercial job.
- 2-Year Labor Warranty
- Financing Available
- Free Diagnosis
- All Major HVAC Brands
- Locally Owned & Operated
- Open Every Day, 7 AM – 8 PM
Complete Heating & Cooling Services
From everyday repairs to full installations, our licensed technicians handle it all — clear pricing, no surprises.
Air Conditioning Repair
Fast, accurate diagnostics and lasting repairs for every major AC brand and system type.
Air Conditioning Installation
Properly sized, professionally installed cooling systems built for long-term efficiency.
Heating Repair
Reliable furnace and heating system repairs to keep your home warm when it matters most.
Heating Installation
New furnace and heating system installations designed around your home's comfort needs.
Preventive Maintenance
Scheduled tune-ups that catch small issues early and keep your system running efficiently.
Commercial HVAC
Installation, repair, and maintenance for offices, retail spaces, and commercial properties.
Serving West Covina & Los Angeles, Orange & San Bernardino Counties
Based in West Covina, Trust Heating and Air Conditioning proudly serves homeowners and businesses throughout the San Gabriel Valley and across Los Angeles, Orange, and San Bernardino Counties.
Whether you need AC repair, heating and furnace repair, or a new AC installation, our licensed technicians are ready to help — often the same day.
A few of the cities we serve
- West Covina
- Covina
- Glendora
- El Monte
- Azusa
- Hacienda Heights
- City of Industry
- La Puente
- Baldwin Park
- Walnut
- Diamond Bar
Browse the cities we serve in Los Angeles County, Orange County, and San Bernardino County.
Don't see your city listed? There's a good chance we still serve your area — give us a call at +1 (626) 502-4155 and we'll let you know.
Why Choose Trust Heating & Air Conditioning
We treat every home and business like it's our own — straightforward pricing, careful work, done right.
Free Estimates
Free estimates on new installations and system replacements, so you know your options before you commit.
Same-Day Service
Comfort emergencies don't wait — same-day appointments available.
Residential & Commercial Expertise
Homes or commercial properties — the same standard of care.
Real People, Not a Call Center
You'll talk to the team that does the work — not a script.
Trusted by Homeowners Like You
Word of mouth is still how most people find us — here's what customers say.
111+ Google Reviews
Rated by real customers, after real jobs.
Best AC service that we've had. Ayman was kind and efficient; he not only fixed the AC but hosed it down for us as well!
Megan M.Google review 1 month ago He is honest and professional, and price is right. Same day service.
Roya N.Google review 10 weeks ago We were dying. Our house was so hot he came within 2 hours. Very pleasant attitude. Looked at everything and had everything fixed very quickly. He will be our new go-to person for HVAC.
Karrie O.Google review 3 months ago
Questions Homeowners Ask Us
A few things people usually want to know before scheduling. If yours isn't here, just give us a call.
Still have a question? We're happy to talk it through.
Do you offer free estimates?
Yes. We provide free estimates on new installations and system replacements, so you know your options before committing to anything.
Do you offer financing?
Yes, financing options are available for qualifying installations and larger repairs. Ask our team about current options when you schedule your service.
How quickly can you get to me?
We offer same-day appointments whenever possible, especially for urgent heating and cooling issues. Scheduling depends on current availability in your area.
Do you work on both residential and commercial systems?
Yes. We service single-family homes, multi-unit properties, and commercial buildings alike.
How do I know if I need a repair or a full replacement?
Our technician will diagnose the issue, walk you through what's actually wrong, and lay out your repair and replacement options with clear pricing — the decision is always yours.
What does a diagnostic visit cost?
We offer a free diagnosis. Our technician will identify the issue and walk you through your repair options before any work begins.
Can you install equipment I've already purchased?
Yes, we can install customer-supplied equipment. Ask our team about the details when you schedule.
What payment methods do you accept?
We accept cash, credit and debit cards, checks, and financing for qualifying work.
We're Ready Whenever You Are
Whether it's a small repair or a full system replacement, our team is ready to help — with honest pricing and no pressure.
- Licensed & Insured
- Same-Day Service
- Residential & Commercial