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24/7 Emergency HVAC Technician in Plano, TX

Need an emergency hvac technician in Plano right now? Top-rated 24-hour hvac technicians are standing by. Fast response, fair emergency pricing.

Common HVAC Technician Emergencies in Plano

Identify your situation and follow the guidance while waiting for help.

CRITICAL

AC Failure in Summer

Texas heat can push indoor temps to dangerous levels. This is a medical emergency for elderly, children, and pets.

CRITICAL

Gas Furnace Smell

If you smell gas or rotten eggs near your furnace, leave the house immediately and call 911, then your HVAC company.

URGENT

No Heating in Winter

Texas winter storms can drop temps below freezing. Pipes can burst without heating.

URGENT

Refrigerant Leak

Hissing sound and warm air from AC. Refrigerant is hazardous -- do not attempt to fix.

MODERATE

AC Leaking Water

Water pooling around your AC unit can damage floors and walls. Turn off the system.

MODERATE

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 Plano (2026)

Ranked by verified reviews and emergency response quality

Updated 2026 | 15 professionals reviewed

Need Help Now? (512) 877-1389
GOLD
1
McCullough Heating & Air Conditioning

McCullough Heating & Air Conditioning

Best Choice
4.8
(3114 reviews)
HVAC contractor|Austin, Texas
Verified24/7 AvailableTop RatedMost Reviewed

"Got our AC running again the same day. Very professional team."

SILVER
2
Liberty Air LLC

Liberty Air LLC

Runner Up
4.9
(707 reviews)
HVAC contractor|Liberty Hill, Texas
Verified24/7 AvailableTop RatedMost Reviewed

"Great service, fair pricing. They explained everything clearly."

BRONZE
3
Efficient AC, Electric & Plumbing

Efficient AC, Electric & Plumbing

Top Rated
4.8
(740 reviews)
HVAC contractor|Austin, Texas
Verified24/7 AvailableTop RatedMost Reviewed

"Got our AC running again the same day. Very professional team."

4
Patriot Appliance & Air Conditioning Repair Service

Patriot Appliance & Air Conditioning Repair Service

4.8
(581 reviews)
Air conditioning repair service|Leander, Texas
Verified24/7 AvailableTop RatedMost Reviewed

"Got our AC running again the same day. Very professional team."

5
Covenant Air Conditioning & Heating

Covenant Air Conditioning & Heating

4.8
(295 reviews)
HVAC contractor|Liberty Hill, Texas
Verified24/7 AvailableTop RatedMost Reviewed

"Got our AC running again the same day. Very professional team."

6
Dragonfly Mechanical

Dragonfly Mechanical

4.9
(240 reviews)
HVAC contractor|Cedar Park, Texas
Verified24/7 AvailableTop RatedMost Reviewed

"Great service, fair pricing. They explained everything clearly."

7
Petrocelli Services Inc.

Petrocelli Services Inc.

4.9
(228 reviews)
HVAC contractor|Leander, Texas
Verified24/7 AvailableTop RatedMost Reviewed

"Great service, fair pricing. They explained everything clearly."

8
RedHome HVAC Services

RedHome HVAC Services

5
(186 reviews)
HVAC contractor|Austin, Texas
Verified24/7 AvailableTop RatedMost Reviewed

"Fast and reliable. Our HVAC has been running perfectly since."

9
DR HVAC Services LLC

DR HVAC Services LLC

4.7
(81 reviews)
HVAC contractor|Cedar Park, Texas
Verified24/7 AvailableMost ReviewedFree Estimate

"Fast and reliable. Our HVAC has been running perfectly since."

10
Prime Leander HVAC Services

Prime Leander HVAC Services

5
(39 reviews)
HVAC contractor|Cedar Park, Texas
Verified24/7 AvailableTop RatedFree Estimate

"Fast and reliable. Our HVAC has been running perfectly since."

1
Best Choice
2
Runner Up
3
Top Rated

Cannot decide? Get matched with the best pro for your specific project.

Emergency HVAC Technician Prices in Plano

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.

ServiceEmergency 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 - Plano

How much does emergency HVAC repair cost in Plano?

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 Plano?

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 Plano?

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 Plano?

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.

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Emergency HVAC Technician in Plano? Call Now.

Average response time: 30-60 minutes. Do not wait -- every minute counts in an emergency.

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