24/7 Emergency HVAC Technician in Houston, TX
Need an emergency hvac technician in Houston right now? Top-rated 24-hour hvac technicians are standing by. Fast response, fair emergency pricing.
Common HVAC Technician Emergencies in Houston
Identify your situation and follow the guidance while waiting for help.
AC Failure in Summer
Texas heat can push indoor temps to dangerous levels. This is a medical emergency for elderly, children, and pets.
Gas Furnace Smell
If you smell gas or rotten eggs near your furnace, leave the house immediately and call 911, then your HVAC company.
No Heating in Winter
Texas winter storms can drop temps below freezing. Pipes can burst without heating.
Refrigerant Leak
Hissing sound and warm air from AC. Refrigerant is hazardous -- do not attempt to fix.
AC Leaking Water
Water pooling around your AC unit can damage floors and walls. Turn off the system.
Strange Noises
Banging, screeching, or rattling from your HVAC can indicate failing components.
What to Do (and NOT Do) During a HVAC Emergency
DO This
- Check your thermostat settings and batteries first
- Check if the breaker tripped before calling
- Close blinds and use fans while waiting for repair
- If you smell gas, evacuate immediately and call 911
- Keep your outdoor unit clear of debris and vegetation
DON'T Do This
- Do NOT try to repair your own AC unit
- Do NOT handle refrigerant (it is a regulated substance)
- Do NOT ignore unusual sounds from your HVAC
- Do NOT keep running an AC that is leaking water
- Do NOT block return air vents in your home
Top 24/7 HVAC Technicians in Houston (2026)
Ranked by verified reviews and emergency response quality
Updated 2026 | 17 professionals reviewed
One Hour Air Conditioning & Heating® of Houston
Best Choice"Got our AC running again the same day. Very professional team."
Air Tech of Houston AC & Plumbing
Runner Up"Great service, fair pricing. They explained everything clearly."
Mission Air Conditioning & Plumbing
Top Rated"Got our AC running again the same day. Very professional team."
Uptown Heating & Air Conditioning
"Got our AC running again the same day. Very professional team."
AIRTEAM Heating & Cooling
"Got our AC running again the same day. Very professional team."
Dave Lane's Hi-Tech Mechanical Inc.
"Great service, fair pricing. They explained everything clearly."
Bellaire Air Conditioning
"Great service, fair pricing. They explained everything clearly."
Just-N-Time AC and Heating
"Great service, fair pricing. They explained everything clearly."
Richmonds Air
"Fast and reliable. Our HVAC has been running perfectly since."
75 Degree AC- Houston
"Fast and reliable. Our HVAC has been running perfectly since."
Cannot decide? Get matched with the best pro for your specific project.
Emergency HVAC Technician Prices in Houston
Updated 2026. Emergency / after-hours rates shown.
After-hours surcharge: typically $75-$200 extra on top of regular rates. Always ask for a total estimate before work begins.
| Service | Emergency Price |
|---|---|
| Emergency service call(After-hours surcharge) | $100 - $250 |
| AC capacitor replacement | $150 - $350 |
| Refrigerant recharge | $200 - $500 |
| Blower motor repair | $300 - $600 |
| Thermostat replacement | $100 - $300 |
| Emergency AC unit rental | $50 - $150/day |
Emergency HVAC Technician FAQ - Houston
How much does emergency HVAC repair cost in Houston?
Emergency HVAC calls start at $100-$250 for the service call. Common repairs: capacitor replacement $150-$350, refrigerant recharge $200-$500, blower motor $300-$600. After-hours rates are 1.5x-2x standard.
How fast can an emergency HVAC tech arrive in Houston?
Most 24/7 HVAC companies arrive within 30-60 minutes in major Texas cities. During extreme heat waves, wait times may be longer due to high demand. Call early in the day if possible.
What should I do if my AC breaks in summer in Houston?
Close all blinds and curtains, use fans for air circulation, move to the coolest room, stay hydrated, and check on elderly neighbors. If indoor temps exceed 95F, consider going to a cooling center. Call an emergency HVAC tech immediately.
Is a gas smell from my furnace dangerous in Houston?
YES. A gas smell (rotten eggs) is extremely dangerous. Leave the house immediately, do not flip any light switches, do not use your phone until you are outside. Call 911 first, then your gas company and HVAC tech.
Emergency HVAC Technician in Houston? Call Now.
Average response time: 30-60 minutes. Do not wait -- every minute counts in an emergency.