AC Repair
Warm air, weak airflow or a unit that will not start? We diagnose the cause and fix it right.
San Marcos, CA · open 24 hours · Mon–Sun
All-nighter? So are we.
San Marcos AC & Furnace Repair fixes air conditioners and furnaces at any hour, so a broken system never ruins your study session, your sleep or your week.
Today's repair checklist
Six things we fix, ticked off.
Heating & Furnace Repair
No heat or strange smells and noises from your furnace? We get your heating running safely again.
Seasonal Tune-Ups
A thorough check, clean and adjustment to keep your system efficient and prevent breakdowns.
Thermostat & Controls
Replacement, wiring and programming of standard and smart thermostats.
Ducts & Airflow
Leaky or blocked ducts waste energy. We locate the problem and restore balanced airflow.
System Replacement
When repair no longer makes sense, we help you choose and install an efficient new system.
Weekly schedule
Every day, all day. No office hours to track.
MON24 hrs
TUE24 hrs
WED24 hrs
THU24 hrs
FRI24 hrs
SAT24 hrs
SUN24 hrs
Cool in summer. Warm in winter.
San Marcos AC & Furnace Repair repairs both your AC and your furnace, so there is only one number to remember. We diagnose first, quote clearly and test before we leave.
Quick Q&A
How do I know if my AC or furnace needs repair?
Common signs are weak airflow, strange noises, uneven temperatures between rooms, short cycling, or a sudden jump in your energy bill. If you notice any of them, a quick diagnostic visit can catch a small problem before it becomes a big one.
Do you repair both air conditioners and heaters?
Yes. We work on central air, heat pumps, furnaces, ductless mini-splits and packaged units, as well as thermostats and ductwork.
Do you offer emergency service?
Yes. We take urgent calls around the clock, every day of the week, so a breakdown at 2 a.m. does not have to wait until morning.
How often should I schedule maintenance?
Twice a year is ideal: once in spring before the cooling season and once in fall before you need heat. Regular tune-ups improve efficiency and help your system last longer.
Which areas do you serve?
We serve San Marcos and the surrounding neighborhoods. Not sure if you are in our area? Call (760) 259-2964 and we will let you know right away.
Emergency contact
(760) 259-2964 1030 La Bonita Dr, San Marcos, CA 92078 roy@sanmarcosacfurnacerepair.store