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
About These Listings
Provider details on this page come from public business information and each provider's own website. Inclusion here is not an endorsement, and the order shown is not a guarantee of quality. Before hiring, verify licensing, insurance, and pricing directly with the company — request written quotes and confirm credentials with your state or local licensing board.
See something out of date? 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.