Local HVAC Experts
Trusted HVAC contractor in Castle Hills, Texas
Castle Hills is an independent city inside Loop 410 between NW Military Highway and West Avenue, with a stock of 1950s through 1970s custom homes on generous lots. Many of these houses have been remodeled more than once, and the HVAC often shows it: mismatched equipment added room by room, a furnace closet that was never meant for a modern air handler, and ductwork that serves an addition from 1985. We are about 20 minutes away on Hillpoint. Common calls here are uneven cooling between the original house and the addition, aging gas furnaces, and full system replacements where we redesign the duct layout instead of just swapping the box.
Every air conditioner, heat pump, gas furnace, and rooftop unit we service in Castle Hills is handled by a licensed Texas HVAC technician (TACLB80551C) — never a subcontractor. From quick AC repair calls and emergency heater diagnostics to full HVAC system replacement and routine seasonal maintenance, our family-run team treats every Castle Hills home like our own.
Common HVAC issues we see in Castle Hills homes
- Air conditioners short-cycling or freezing up during 100°F+ Castle Hills summer heat waves
- Low refrigerant, leaking evaporator coils, and failing capacitors on aging condensers
- Thermostat and control board failures after summer storms and power surges
- Clogged condensate drain lines causing water damage and ceiling stains
- Duct leaks, poor airflow, and uneven room-to-room cooling
- Heat pumps and gas furnaces that won't start during winter cold fronts
HVAC and air conditioning services available in Castle Hills
We provide residential and commercial air conditioning repair, AC installation and replacement, heater and furnace service, heat pump diagnostics, evaporator coil cleaning, UV-C indoor air quality light installation, ductwork inspection, and preventive maintenance plans throughout Castle Hills. Whether your AC quit in the middle of a heat wave, your heater won't fire on a cold morning, or your system just needs a tune-up before summer — one call to Manuel & Sons handles it all.


