Heating & Air Conditioning Service Homeowners Trust
Residential and commercial HVAC installation, repair, maintenance, and refrigeration — done right, with honest pricing.
102 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.
- Same-day diagnostics
- All major brands serviced
- Upfront, flat-rate pricing
Air Conditioning Installation
Properly sized, professionally installed cooling systems built for long-term efficiency.
- Load-calculated system sizing
- High-efficiency equipment options
- Clean, code-compliant installs
Heating Repair
Reliable furnace and heating system repairs to keep your home warm when it matters most.
- Furnace & system troubleshooting
- Safety and efficiency checks
- Transparent repair estimates
Heating Installation
New furnace and heating system installations designed around your home's comfort needs.
- Right-sized equipment selection
- Energy-efficient system options
- Professional, permitted installs
Preventive Maintenance
Scheduled tune-ups that catch small issues early and keep your system running efficiently.
- Seasonal system tune-ups
- Extends equipment lifespan
- Helps prevent costly breakdowns
Commercial HVAC
Installation, repair, and maintenance for offices, retail spaces, and commercial properties.
- Flexible scheduling to limit downtime
- Rooftop and packaged unit service
- Ongoing maintenance agreements
Serving the San Gabriel Valley & Surrounding Communities
Trust Heating and Air Conditioning proudly serves homeowners and businesses throughout the San Gabriel Valley and surrounding communities across Los Angeles 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
- Covina
- West Covina
- El Monte
- Glendora
- Azusa
- Hacienda Heights
- City of Industry
- La Puente
- Baldwin Park
- Walnut
- Diamond Bar
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
We provide free estimates on new installations and system replacements, so you know your options before committing to anything.
Same-Day Service
Comfort emergencies don't wait, so neither do we — same-day appointments available.
Financing Available
Flexible financing options are available for qualifying installations and larger repairs.
2-Year Labor Warranty
Every installation and repair is backed by a 2-year labor warranty for your peace of mind.
Residential & Commercial Expertise
From single-family homes to commercial properties, we bring the same standard of care.
All Major HVAC Brands
We install and service all major HVAC brands, including Carrier, Lennox, Trane, Daikin, Goodman, American Standard, and AC Pro.
Honest Service
You'll know the cost before any work begins — no surprises, no pressure to upsell.
Real People, Not a Call Center
You'll talk to the same team that shows up to do 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.
102+ Google Reviews
Rated by real customers, after real jobs.
Google Reviews“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.AC Repair 1 month agoVerified Customer“I had a great experience with this company, and I especially want to thank Ayman for his outstanding service. He was professional, knowledgeable, and took the time to explain everything clearly. He arrived on time, worked efficiently, and made sure the job was done right. It's rare to find someone who genuinely cares about customer satisfaction. I highly recommend this company, and if you're lucky enough to have Ayman as your technician, you'll be in excellent hands. Thank you for the great service!”
Ahmad B.HVAC Service 1 month agoVerified Customer“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.AC Repair 3 months agoVerified Customer
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