HVAC Services in San Antonio, TX 78278
One number for every heating and cooling need in 78278: (877) 317-0473. HVAC Repair 24/7 coordinates AC and furnace service across San Antonio with upfront scopes, tidy work areas, and techs who stand behind their work.
78278
HVAC help for 78278, done right
From no-heat emergencies to planned system replacements, HVAC Repair 24/7 brings the same discipline to every San Antonio job: diagnose fully, scope in writing, protect your home while working, and walk through everything before leaving. It is not flashy — it is just how HVAC work should be done.
What sets 78278 apart is simple logistics: techs already working across San Antonio reach your street fast. That means same-day quotes for most calls to (877) 317-0473 and 24/7 emergency dispatch when the system is down.
Services available in 78278
- HVAC Energy Audits — Before you spend $10,000 on a new system, spend a fraction of that finding out what is actually wrong. San Antonio energy audits often reveal that sealing ducts and fixing airflow beats replacement — or proves replacement is truly needed. (877) 317-0473.
- AC Repair — Not every warm-air complaint needs a new system. Our San Antonio AC repair techs test first — electrical, refrigerant charge, airflow, thermostat — and repair only what is actually failing. Free quote before any work begins.
- Ductless Mini-Split Systems — No ductwork? No problem. Ductless mini-splits in San Antonio deliver efficient heating and cooling room-by-room — perfect for older homes, additions, garages, and sunrooms where running ducts is impractical or ugly.
- Boiler Installation & Repair — Replacing an ancient boiler in San Antonio? Modern high-efficiency boilers cut fuel use substantially. We size for your home's actual heat load — often smaller than the old beast — and handle removal, piping, and startup. Free quotes at (877) 317-0473.
2026 cost snapshot
Two San Antonio homes can have very different HVAC prices: a simple ranch versus a two-story with zoned ductwork. That is why ranges only get you so far. HVAC Repair 24/7's free quote measures your actual home and produces a firm written price — call (877) 317-0473.
Emergency? Call now.
No cooling in a heat wave, no heat in a freeze, or a furnace leaking water — these do not wait for morning, and neither do we. Our emergency line (877) 317-0473 is answered 24/7, and San Antonio techs roll with stocked trucks ready to get you comfortable. If your system is down, call now.
Good to know
78278 HVAC FAQs
12–15 years old with a repair over a third of replacement cost — or over roughly $5,000 — usually means replace. Newer systems with single failed parts usually deserve repair. A free HVAC Repair 24/7 diagnosis gives you the honest math — (877) 317-0473. We will put the full scope in writing before work begins.
AC repair and replacement, furnace and heating repair, heat pump services, duct cleaning, thermostat installation, tune-ups, and 24/7 emergency service across 78278. One call to (877) 317-0473 covers all of it. One call to (877) 317-0473 gets the process moving today.
Check the filter and breaker first — clogged filters and tripped breakers cause most warm-air calls. If those are fine, it may be low refrigerant or a failed capacitor. Call (877) 317-0473 for a 78278 diagnosis. One call to (877) 317-0473 gets the process moving today.
Do not keep resetting it. Common causes are a dirty flame sensor or failed igniter — both quick fixes for a tech. Call (877) 317-0473 for same-day San Antonio-area furnace repair. One call to (877) 317-0473 gets the process moving today.
Our San Antonio network dispatches locally, so most 78278 calls get same-day service and emergencies get 24/7 priority response. Call (877) 317-0473 for an honest arrival window. Your free quote includes documented findings on everything we check.
