
One number for every heating and cooling need in 78294: (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.
78294
Some companies upsell. We would rather earn the next call. That is why San Antonio trusts HVAC Repair 24/7: honest diagnostics, written scopes sized to the actual problem, and techs matched to the job. From a San Antonio bungalow to a two-story colonial, the standard never changes.
Heat waves and cold snaps do not check the calendar before hitting 78294. That is why HVAC Repair 24/7 keeps emergency techs on standby across San Antonio — comfort restored first, full repairs right after. Save (877) 317-0473 in your contacts.
San Antonio HVAC costs track the national 2026 picture: AC repairs $150–$500, furnace repairs $150–$600, diagnostics $75–$150, tune-ups $80–$200. Replacements: AC $3,500–$12,000, full furnace-plus-AC $7,000–$14,000, heat pumps $6,500–$15,000. Larger homes and complex ductwork push toward the higher end. A free quote converts these ranges into your exact number — (877) 317-0473.
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
Yes — professional duct cleaning across 78294, typically $325–$500 depending on home size. Worth it for visible dust, post-renovation cleanup, or persistent odors. Call (877) 317-0473. One call to (877) 317-0473 gets the process moving today.
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. Your free quote includes documented findings on everything we check.
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 78294 diagnosis. We will put the full scope in writing before work begins.
Our San Antonio network dispatches locally, so most 78294 calls get same-day service and emergencies get 24/7 priority response. Call (877) 317-0473 for an honest arrival window. One call to (877) 317-0473 gets the process moving today.
R-410A is being phased down in favor of R-454B and R-32, and 2026 prices are rising. If your system needs frequent recharges, talk to us about leak repair vs. replacement at (877) 317-0473. Your free quote includes documented findings on everything we check.

One call connects you with a local HVAC tech — repairs, installations, and 24/7 emergency service in San Antonio, TX 78294.