5-Star Heating & Air in La Mesa, CA
Cool air back today.
Honest work, every time.
- Same-Day Service Calls
- Honest, Upfront Pricing
- Repairs Before Replacements
- Locally Owned in La Mesa
What KoolBreeze does
La Mesa heating & air
AC acting up? Let’s fix it right.
KoolBreeze Heating & Air is a locally owned HVAC company serving La Mesa and East County San Diego. Owner Steve handles every call himself. He finds the real problem, explains it in plain English and repairs what can be repaired before ever talking about replacement.
5.0
Based on 39 Google reviews
Heating & Cooling Services
The KoolBreeze difference
Why Neighbors Call KoolBreeze
- Same-Day Service Calls
- Repair Before Replace
- Upfront, Fair Pricing
- Every Step Explained
- Locally Owned in La Mesa
- Homes, Rentals & Businesses
- AC, Heating & Mini-Splits
- 5.0-Star Google Rating
Why it feels different
Honest HVAC work, explained along the way.
- 01
Repair First, Always
If a part can fix it, Steve fixes it. You won’t get a sales pitch for a new system when a capacitor or sensor will do the job.
- 02
There When It’s Hot
Heat waves are when systems fail. We do everything we can to get you cooled down the same day you call.
- 03
You’ll Understand the Fix
Steve walks you through what failed, what he replaced and how to keep your system running. No jargon, no mystery charges.
Three Steps Back to Comfortable
No runaround and no upsell. Just an honest fix from a local technician.
- 01
Tell Us What’s Going On
Call or send a quick request. Let us know what the system is doing and when it started.
- 02
Get a Clear Diagnosis
Steve finds the real problem, explains it in plain English and gives you the price before any work.
- 03
Comfort, Restored
The repair gets done, the system gets tested, and you get tips to keep it running.
Straight From Our Customers
- MM
Mario M.
“Steve came out quickly and was able to diagnose and fix my ac unit issue. Honest work at a reasonable price. I will use Steve again in the future. Thank you.”
- FG
Fernando G.
“Excellent service! Steve went the extra mile to fix our AC promptly when we desperately needed it. Highly recommend!”
- AR
Angie R.
“Steve was great! He was able to squeeze us in for service after my AC died in this crazy heat! I called a number of people and some didn’t even bother answering our call. I truly appreciate his flexibility and willingness to help us out.”
- LM
Laura M.
“Steve was our hero today! Our A/C shutdown overnight and with a senior dog sensitive to heat, we needed help fast. Steve was able to quickly and expertly assess the issue, he had the parts he needed, and got the system back up and running in less than an hour!”
- VY
Vlad Y.
“Great service, very professional. Great prices too. I’ve had multiple service calls on multiple properties and would highly recommend this company.”
- MM
Mark M.
“Same day, fixed quickly with great service and attention to detail!”
- JM
Joselito & Maria B.
“Quick to respond and appreciate for the prompt repair. Outstanding customer service.”
- TP
Timmy P.
“Steve was referred to us by another HVAC professional, which speaks volumes if you’re getting referrals from other people in your industry. He came out promptly and was able to diagnose the issue and repair it rather than default to “we needed a whole new system.” …”
- AS
Ann S.
“I was honestly dreading a high-pressure sales pitch for a new unit, so I truly appreciate your honest approach. Thank you for coming out the same day, answering all of my questions, and explaining everything so clearly.”
- JG
J. G.
“One of my mini split units quit on me in the middle of the recent heat wave. … he made it out the same day even though he already had several other calls on his plate. … He also never tried to upsell me on replacing the units, which I can’t say about everyone. Highly recommend.”
- KS
Kristin S.
“Steve was so great. He came quickly and took care of our system the same day. He talked me through the AC issues we were having and what he was fixing. Such fabulous customer service.”
- N
neightARCH
“Their team professionally installed our Carrier hybrid heat pump and furnace system, delivering quality workmanship and a smooth installation experience. They were knowledgeable, efficient, and responded very quickly throughout the entire process.”
- CQ
Corey Q.
“Talk about the best in the business. The owner Steve is extremely knowledgeable and thorough. He communicates at a very high level and is honest every step of the way. … I highly recommend KoolBreeze for all things needed regarding HVAC.”
- CW
Cathy W.
“Steve Willmore is excellent, extremely knowledgeable, explained everything to me, friendly and fair. My air conditioning working perfect.”
- AP
Alan P.
“Very prompt and professional. His knowledge and sharing information was very helpful. If you are looking for honest HVAC service or repair at a fair price, he is the best I’ve ever seen.”
- RD
Richard D.
“Outstanding experience w/Steve at Koolbreeze. He came out at 8:30pm, quickly diagnosed a failed a/c capacitor, replaced it and charged a very fair price. … Steve is honest, direct and frankly, excellent.”
- RP
Radovan P.
“I had an emergency situation during a San Diego heat wave when my AC system failed, and they went out of their way to get to my house quickly and take care of it. … The installation was top-notch, and I felt the price was more than fair for the quality of work they provided.”
- LM
L. M.
“Excellent service. He did an amazing job replacing our ac motor. Thank you so much! :)”
Recent jobs
Heating & Cooling, Done Right
AC diagnostics
AC repair
Ductless mini-split
Thermostat setup
Commercial HVAC
Airflow & vent check
Heating comfort
Bedroom cooling
Where we work
Based in La Mesa. Serving East County.
Based in La Mesa and serving communities across East County San Diego. If you're inside our area, a same-day visit is often possible.
Good questions
Answers before you ask.
How quickly can you come out?
Same-day visits are common, especially if you call in the morning. During heat waves we prioritize systems that are completely down.
What does a service call cost?
There’s a diagnostic fee to come out and find the problem. You’ll know it before we arrive, and you’ll get the repair price before any work starts.
Do you give free estimates on new systems?
Yes. Replacement and installation estimates are free and come in writing.
What are your hours?
Monday – Friday, 8am – 5pm. If you have a problem outside those hours, call (858) 753-4356 and we’ll let you know what’s possible.
How can I pay?
Payment is due when the job is done. Ask about payment options when you book.
Do you repair or just replace?
Repair comes first. Steve will only recommend a new system when it’s really the better value, and he’ll explain why.
What brands do you work on?
All major brands of central air, furnaces, heat pumps and ductless mini-splits.
Who actually comes to my home?
Steve, the owner. You talk to the person doing the work from start to finish.
Do you work on older systems?
Yes. Many older systems can be repaired. We’ll give you an honest read on whether it’s worth it.
Do you service rental properties and businesses?
Yes. We work with homeowners, landlords, property managers and small businesses.
Owner operated
Let’s get you comfortable again.
Same-day service calls across La Mesa and East County San Diego. Call now or send a request.