AC & Heating Repair in Houston, Texas
AC or heater broken? Call now. Licensed techs available 24/7.
(855) 321-3346Is this your situation?
- AC running but blowing warm air
- Furnace won't turn on
- Strange smells or noises from the unit
- System keeps shutting off
Is Your HVAC Dying in Houston?
Spot these warning signs before your system shuts down completely.
- Indoor air feels sticky or humid even when AC is running
- Uneven cooling or hot spots throughout the home
- Weak airflow from vents
- Musty or unusual odors indicating mold in ducts or drain
- Thermostat not responding or showing inaccurate readings
- Frequent cycling on and off (short cycling)
- Rising energy bills without usage changes
- Strange noises: rattling, banging, screeching, or hissing
- Ice forming on refrigerant lines or evaporator coil
- Water leaking around indoor or outdoor unit
- Outdoor unit running constantly without cooling effectively
- Visible rust, corrosion, or damage on outdoor unit
- Refrigerant leaks or hissing sounds
Replace vs. Repair: The 25% Rule
Consider replacement if your system is over 10 years old with frequent issues, using outdated R-22 refrigerant, or repair needs are becoming increasingly frequent. A qualified technician can help you evaluate whether repair or replacement makes more sense for your situation.
Why HVAC Systems Break Down in Houston
Houston's weather is hard on HVAC systems. Know the local risks so you can spot problems early.

Photo by Peter Kovesi on Pexels
Subtropical climate with hot, humid summers lasting 8+ months
Average summer temperatures around 90F with humidity exceeding 70%
AC systems run almost continuously from April through October
Recommended Months
Avoid if Possible
- Texas minimum SEER2 is 14.3 for southern region (replacing old 15 SEER requirement)
- Higher SEER2 ratings (16-20) save 20-30% on cooling costs in Houston
- Excess humidity can raise cooling costs by 10-20%
- Maintaining indoor humidity at 30-50% improves comfort and reduces AC strain
- Smart thermostats help manage ERCOT peak demand and reduce bills
- CenterPoint Energy rebates incentivize high-efficiency installations
The extended cooling season means Houston HVAC systems accumulate far more runtime hours than those in moderate climates. While systems in northern states might run 600 hours annually, Houston units often log 2,000 hours or more. This accelerated usage affects component lifespan, with systems typically lasting 10 to 15 years compared to 15 to 20 years in less demanding climates. The constant humidity compounds these challenges, as moisture promotes corrosion, mold growth in ductwork, and condensate drain problems that require vigilant attention.
Humidity control represents Houston's most distinctive HVAC challenge. Standard air conditioners remove some moisture as a byproduct of cooling, but many systems cannot adequately dehumidify Houston's saturated air. When indoor relative humidity exceeds 50 percent, homes feel uncomfortable even at lower thermostat settings, and occupants often respond by further lowering temperatures. This drives up energy costs while still leaving that sticky, clammy sensation. Excess humidity can increase cooling costs by 10 to 20 percent while creating conditions favorable for mold, dust mites, and other allergens.
While Houston winters are generally mild, the February 2021 Winter Storm Uri exposed critical vulnerabilities. The unprecedented freeze caused widespread HVAC failures as systems designed for Houston's heat proved inadequate for sustained subfreezing temperatures. Burst pipes, damaged equipment, and extended power outages affected hundreds of thousands of homes. This event fundamentally changed how Houston homeowners and contractors approach heating capabilities, with freeze protection and backup heating options now receiving serious consideration despite their infrequent need.
How Houston's Climate Affects Materials
Standard A C
Cools adequately but often fails to remove sufficient humidity
High- S E E R A C
Variable-speed units run longer at lower capacity for superior humidity removal
Heat Pump
Excellent year-round option for Houston's mild winters and hot summers
Ductless Mini- Split
Good for zone cooling and humidity control in problem areas
HVAC Emergencies in Houston: What to Know
Common HVAC breakdowns in Houston and what causes them by neighborhood
Central AC systems dominate; heat pumps gaining popularity for year-round efficiency in Houston's mild winters
High SEER2 ratings and humidity control critical due to 8-month cooling season; CenterPoint Energy rebates incentivize efficiency
Post-2021 Winter Storm Uri, freeze protection and backup heating are priorities; hurricane season requires consideration of power outage impacts
- Humidity control struggles are the most common complaint in Houston
- Condensate drain clogs causing water damage in high-humidity environment
- Mold growth in ducts and drain pans due to moisture
- Compressor failures from extended runtime during extreme heat
- Filter clogging from Houston's air quality and pollen
- Corrosion from humidity and coastal salt air in some areas
Neighborhood Risk Factors

Verified HVAC technicians
Licensed emergency technicians in Houston, Texas. On call 24/7 for AC and heating breakdowns.
68 Degrees HVAC
Houston Chronicle Best of the Best 2024 Winner for HVAC; serves entire Greater Houston area
The Chill Brothers
5 · 400 reviews
John Moore Services
4.8
Vibrant Mechanical
4.8
All Star A/C & Heating
4.8
Richmond's Air
4.8 · 827 reviews
+ 2 more HVAC technicians
More HVAC technicians in Houston
Village Plumbing, Air & Electric
Over 75 years experience; Houston Chronicle Best of the Best Nominee; works on all makes and models
Gray Mechanical
Specializes in commercial rooftop HVAC; works with Aaon, Carrier, Trane, York
Need a Repair Now?
Call a licensed HVAC emergency technician in Houston. 24/7 emergency service.
(855) 321-3346 — Emergency ServiceYour Home Temperature Risk
When your HVAC fails in Houston, indoor temperatures can reach dangerous levels
In Houston's heat, a broken AC can push indoor temperatures past 100°F within hours. Heat stroke risk increases significantly — especially for children and elderly residents.
(855) 321-3346 — Get Emergency HelpHVAC Repair Rules in Houston
License and permit rules for emergency HVAC repair in your area.
Permit Required
Yes
Permit Type
Residential
Processing Time
1-5 business days
Issuing Authority
City of Houston Building Code Enforcement / Harris County Engineering
- 1All HVAC installations require City of Houston mechanical permits
- 2Permits ensure work meets local, state, and national codes
- 3Licensed contractors typically handle permit applications
- 4City inspection required after installation completion
- 5Inspection typically takes around 30 minutes
Official Resources
Pro Tip: Most reputable contractors handle the permit process for you as part of the project. Verify this is included in your contract before signing.
Filing Insurance Claims in Houston
How to file an insurance claim for HVAC damage or failure, step by step.
- Document all damage with photos and videos before repairs
- Keep receipts for emergency repairs and temporary cooling
- Get written estimates from licensed HVAC contractors
- Review policy for covered perils (storm damage, power surge, flood)
- Consider equipment breakdown coverage for HVAC
- Hurricane and flood damage may require separate policies
- 1Ensure safety and turn off damaged equipment
- 2Document damage thoroughly with photos and video
- 3Contact insurance company to file claim
- 4Get estimates from licensed HVAC contractors
- 5Do not dispose of damaged equipment until adjuster approves
Document Everything
Photos before & after
Call Within 48 Hours
Report damage promptly
Keep All Records
Save communications
Important: Many home insurance policies cover HVAC failure from storms, power surges, or lightning strikes.
Service-specific repair in Houston
Frequently Asked Questions
Common questions about emergency HVAC repair in Houston, Texas
Still have questions? Call our 24/7 emergency line.
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