Mark's Heating & AC Repair handles heating and air conditioning work in Los Angeles. Customers talk about a worker who arrived on time, explained the problem clearly, and got the AC running again quickly. A specialist traced a tricky relay fault on an AC control board and repaired it, so the board did not need replacing. When a heat pump's reversing valve was stuck, they diagnosed that specific part and repaired it efficiently.
What customers mention
Showed up on time
Easy to understand
Avoided a costly replacement
Diagnosed the stuck valve
Customer reviews
What customers say
5.0 / 5★★★★★3 Google reviews
★★★★★Google
“I was very happy with their service. The worker showed up on time and got the job done quickly. He quickly figured out what was wrong and fixed it. Now the AC works great. It was easy to understand everything. Overall, a great experience. I strongly advise.”
RKRoberta KuhnJun 2026
★★★★★Google
“The AC control board had a tricky relay fault. Their specialist technician diagnosed it quickly and fixed it, avoiding costly replacement. True professionals.”
AHAshton HarrisNov 2025
★★★★★Google
“Our heat pump's reversing valve was stuck. They diagnosed the specific issue and repaired it efficiently. Very professional.”