Commercial HVAC Contractors in Houston, TX
What to look for in Commercial HVAC in Houston
Commercial HVAC is a different trade than residential — rooftop units, package units, VRF systems, larger refrigerant volumes (EPA 608 Universal cert territory), and service-contract economics instead of one-call repair work. Facility managers weight tenure and bonded/insured status more heavily than residential buyers do.
- Commercial HVAC specialization. Provider explicitly lists commercial / rooftop / light-commercial work — not just "we also do commercial" as an afterthought.
- Manufacturer authorization. Authorized commercial-equipment dealer (Carrier Commercial, Trane Commercial, Lennox Commercial). Unlocks the OEM parts pipeline that distinguishes a shop that can next-day a part from one that can't.
- NATE-certified technicians. Industry baseline competence cert. NATE has a commercial track that signals beyond residential basics.
Verify before you book
- EPA 608 Universal certification in the federal registry — we accept self-claimed.
- Active commercial-equipment dealer status in the OEM's commercial directory.
- Service-contract terms or rate cards — commercial work is project-quoted; published prices on this page are residential reference rates only.
Commercial HVAC in Houston: credentials + service contracts
Commercial HVAC service hinges on EPA 608 universal certification (for refrigerant types not in residential), NATE certification, and the contractor's commercial track record. Here is what each of the 3 contractors below publishes: In Texas, HVAC contractors must hold an active TDLR TACLA license — ask for the number and verify on tdlr.texas.gov before paying.
Top picks
- Maintenance: ✓
- Years: 60+
Google 4.9★ (460+)BBB A+
P & M Air Conditioning and Heating
Commercial HVAC score: 3.9
Vouched Score: 72/100
EPA-certified refrigerant team. Carrier Factory Authorized Dealer with NATE Certified. Plus Established 75+ Years.
- Mfg dealer: Carrier Factory Authorized Dealer
- NATE: ✓
- Maintenance: ✓
- Years: 75+
Google 4.7★ (225+)BBB A+
- Years: 55+
Consistently strong customer feedback (4.8★ from 10,195+ Google reviews; 4.86★ from 185+ BBB reviews).
What customers say about commercial hvac
…Finally, payment options were determined using a soft credit hit and maintenance plan, touting their benefits. Once he got home, he transferred key elements of his findings into specific items needed for each of the three options for greater clarity and accuracy…
DO NOT USE! On July 25th a tenant called at a rental property of mine saying it was 80 degrees in the house.
Google 4.8★ (10,195+)BBB 4.86★ (185+)
Typical Commercial HVAC costs in Houston, TX (2026)
Last updated
Estimated ranges for Houston, TX. Actual cost varies with system tonnage, building square footage, and service-contract scope — always request a written quote for your facility.
| Service | Typical range |
|---|---|
| Commercial RTU service call (diagnostic + minor repair) | $265–$800 |
| Light-commercial AC install (per ton, installed) | $2,250–$4,450 |
| Preventive maintenance contract (per RTU / year) | $355–$1,050 |
| Commercial RTU replacement (5-ton package, installed) | $10,700–$22,300 |
| Emergency / after-hours service premium | $135–$400 |
What Every Houston Resident Should Ask Before a Service Call
- How does commercial HVAC service differ from residential?
- Rooftop package units (RTUs) instead of split systems, EPA 608 universal certification required for refrigerant handling, service contracts with quarterly preventive maintenance vs. on-demand calls. Light-commercial (under 25 tons) overlaps with residential capacity; true commercial starts at 25+ tons with VAV or VRF complexity.
- How much does HVAC service cost in Houston, TX?
- Commercial RTU service call typically runs $265–$800, and commercial RTU replacement runs $10,700–$22,300 in Houston, Texas. See the HVAC pricing table on this page for the full per-service breakdown.