Houston, TX · 2025 Cost Guide
How Much Does a HVAC Installation Cost in Houston?
A properly sized HVAC system can reduce energy bills by 20–30% compared to aging equipment. In Houston, labor rates run $66–$118/hr — near the national average — which is factored into all estimates on this page.
The wide price range reflects major differences in project scope, materials, and the age of your home. A cosmetic refresh costs far less than a full renovation, and Houston's specific market conditions affect contractor pricing year-round.
| Cost Factor | Typical Range | Impact on Price |
| Unit size | $1,500–$6,000 | High |
| Ductwork | $1,000–$5,000 | High |
| Brand & efficiency | $500–$3,000 | Medium |
| Labor | $70–$125/hr | High |
| Permits | $100–$400 | Low |
What size HVAC system do I need?
Roughly 1 ton per 600 sq ft in most climates. A contractor should perform a Manual J load calculation.
How long do HVAC systems last?
Central air conditioners last 15–20 years. Heat pumps last 10–15 years.
Should I repair or replace my HVAC?
If the system is over 10 years old and repair costs exceed 50% of replacement cost, replace it.