Top 10 HVAC Companies in Houston, TX
The best HVAC companies in Houston, TX for 2026 include Air Tech of Houston AC & Plumbing (4.9★), Mission Air Conditioning & Plumbing (4.8★), All Star A/C, Plumbing & Electrical (4.9★). All are licensed, insured, and highly rated for AC repair, heating service, and HVAC installation.
Air Tech of Houston AC & Plumbing
Mission Air Conditioning & Plumbing
All Star A/C, Plumbing & Electrical
One Hour Air Conditioning & Heating® of Houston
Bellaire Air Conditioning
EZ Comfort Air Conditioning & Heating
The Lee Thompson Co
Cool Care Heating and Air Conditioning
Northwind Air Conditioning, Heating & Mechanical Services
H-Town AC Repair HVAC services Houston
How We Ranked These Houston Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Houston market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does HVAC repair cost in Houston, TX?
HVAC repair in Houston typically costs $150-$450 for common issues like refrigerant recharge, thermostat replacement, or capacitor repair. AC compressor replacement runs $1,200-$2,800. Full system replacement costs $4,500-$12,000 depending on size and efficiency rating.
How often should I service my HVAC in Houston?
HVAC professionals in Houston recommend servicing twice a year — spring for AC and fall for heating. Regular maintenance prevents breakdowns during extreme weather and can extend your system's lifespan by 5-10 years.
Do Houston HVAC companies offer emergency service?
Yes, most top-rated HVAC companies in Houston offer 24/7 emergency service for no-heat, no-AC, and refrigerant leak situations. Response times are typically 60-90 minutes. Emergency premiums add $100-$250 to standard rates.
What size HVAC system do I need for my Houston home?
Most homes in Houston need 2.5 to 5 tons of cooling capacity. A rough guide: 1 ton per 400-600 sq ft depending on climate, insulation, and sun exposure. Always get a Manual J load calculation from a licensed HVAC contractor for accurate sizing.