Best Commercial HVAC Contractors in Dallas, TX

Compare 20 commercial HVAC companies serving Dallas, TX carrying a combined 3,619 Google reviews at an average of 4.8 stars. 1 offer 24/7 emergency response. Local crews service Rooftop Unit (RTU), Split System, Heat Pump, Air Handling Unit (AHU), and more. Request free quotes and hire the right contractor for your building.

20 commercial contractors4.8★ avg · 3,619 Google reviews1 offer 24/7 emergency

Commercial HVAC Contractors in Dallas

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Xtreme Air Services - HVAC, Plumbing, & Electrical

Google Reviewed

Dallas, TX

RTU · Split System · Heat Pump+3
Service AgreementsMulti-Site
on Google

Xtreme Air Services | Sunnyvale/Dallas, TX | 4.8★ 2,700+ reviews | RTUs, VRF, boilers | Trane & Lennox dealer | multi-si...

Unlimited Air Conditioning and Heating

Google Reviewed

Dallas, TX

24/7 Available·RTU · Split System · AHU+3
on Google

Dallas commercial HVAC contractor — RTUs, chillers, boilers & more. 4.8★ rating, nearly 20 years experience, 24/7 emerge...

TemperaturePro

Google Reviewed

Dallas, TX

RTU · Split System · Heat Pump+3
Service Agreements
on Google

TemperaturePro | Dallas commercial HVAC — 5/5 stars, 205 reviews, NATE-certified techs, RTUs, VRF/VRV, and preventive ma...

Air 75

Google Reviewed

Dallas, TX

RTU · Split System · AHU+3
on Google

Air 75 | Dallas commercial HVAC — RTUs, chillers, boilers & more. 4.9/5 (129 reviews), 25-mile service radius, 24/7 avai...

MIINC, L.P.

Google Reviewed

Dallas, TX

on Google

MIINC, L.P. — Dallas commercial & industrial mechanical contractor since 1984. 40+ yrs, $800M+ completed, 24/7 emergency...

MIINC, L.P.

Google Reviewed

Dallas, TX

on Google

MIINC, L.P. — Dallas mechanical contractor since 1984, $800M+ completed, 24/7 emergency HVAC service for commercial & in...

New Generation Mechanical

Google Reviewed

Dallas, TX

on Google

Dallas full-service commercial HVAC & plumbing contractor — NFPA 99-C medical gas, NEBB/AABC T&B, and multi-million-doll...

New Generation Mechanical

Google Reviewed

Dallas, TX

on Google

Dallas commercial HVAC & mechanical contractor — HVAC, plumbing, medical gas, test & balance, within 25 miles. 4.3★ on G...

Dalco Air Conditioning & Plumbing

Google Reviewed

Dallas, TX

RTU · Split System · Heat Pump+3
Service Agreements
on Google

Dallas commercial HVAC since 1963 — Lennox/NATE-certified, serving RTUs, VRF, boilers & more for offices, retail, indust...

BF Mechanical

Google Reviewed

Dallas, TX

on Google

BF Mechanical — Dallas HVAC contractor with 4.8/5 reviews, same-day repair capability, and 25-mile service radius. Famil...

BF Mechanical

Google Reviewed

Dallas, TX

on Google

BF Mechanical — Dallas, TX HVAC contractor, 4.8/5 rated, family-owned, same-day response, AC maintenance & replacement w...

Ref Experts & HVAC

Google Reviewed

Dallas, TX

RTU · Split System · AHU+3
on Google

Dallas commercial HVAC & refrigeration contractor serving office, retail, restaurant & industrial properties within 25 m...

Dynamic Mechanical Solutions

Google Reviewed

Dallas, TX

on Google

Veteran-owned commercial HVAC, plumbing & fire protection contractor in Dallas, TX. 24/7 emergency response. Licensed &...

Dynamic Mechanical Solutions

Google Reviewed

Dallas, TX

on Google

Veteran-owned commercial HVAC, plumbing & fire protection contractor in Dallas, TX — 24/7 emergency response, 4.7★ rated...

Kahn Mechanical Contractors

Google Reviewed

Dallas, TX

on Google

Dallas commercial HVAC contractor since 1974. Kahn Mechanical serves DFW office, healthcare, and industrial properties w...

Kahn Mechanical Contractors

Google Reviewed

Dallas, TX

RTU · VRF
on Google

Dallas commercial HVAC contractor since 1974. RTUs, VRF/VRV, 10–150 tons. Carrier, Trane, Lennox, York. 24/7 emergency s...

United Air Cooling & Heating

Google Reviewed

Dallas, TX

RTU · Split System · Heat Pump+3
Service Agreements
on Google

Mesquite, TX commercial HVAC contractor serving Dallas — RTUs, VRF, split systems, PM agreements. 5-star rated, 25-mile...

LENARI A/C AND REFRIGERATION

Dallas, TX

LENARI A/C AND REFRIGERATION — Dallas, TX commercial HVAC & refrigeration contractor serving a 25-mile radius.

LoneStar HVAC-R LLC

Dallas, TX

LoneStar HVAC-R LLC — Dallas, TX commercial & residential HVAC/refrigeration. 24/7 emergency service across DFW. 15+ pro...

American Industrial Mechanical LLC

Dallas, TX

Licensed Dallas commercial HVAC & refrigeration contractor (TACLA155983C). 24/7/365 service across DFW. Factory-authoriz...

Commercial HVAC Services Available in Dallas

Why Choose My HVAC Tech in Dallas?

Commercial-Focused Only

Every contractor listed works on commercial buildings — RTUs, chillers, VRF — not residential.

Real Google Reviews

Ratings pulled from verified Google Business Profiles — not anonymous form submissions.

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Side-by-side systems serviced, ratings, and contact info — no calling around.

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Frequently Asked Questions — Commercial HVAC in Dallas

How many commercial HVAC contractors are in Dallas, TX?

My HVAC Tech lists 20 commercial HVAC contractors serving Dallas, TX, with a combined 3,619 Google reviews averaging 4.8 stars. 1 of them offer 24/7 emergency service.

How much does commercial HVAC service cost in Dallas?

Commercial HVAC costs in Dallas depend on the system type and scope of work. Routine service calls typically run $150–$400. Preventive maintenance contracts for a single rooftop unit average $200–$500/year. Full system replacements range from $8,000 for small packaged units to $100,000+ for large chiller plants.

How do I find a reliable commercial HVAC contractor in Dallas, TX?

Start by verifying the contractor holds a current state license and carries adequate insurance. Check reviews from other commercial property managers on My HVAC Tech. Ask for references from similar properties (office, retail, industrial). Get at least three written quotes for any major project.

Do Dallas commercial HVAC contractors offer emergency service?

Yes, many commercial HVAC contractors in Dallas offer 24/7 emergency response. Response times vary — the best operators typically arrive within 2–4 hours for critical failures. Always confirm after-hours rates upfront, as emergency service typically carries a surcharge.

What's the best time of year to schedule HVAC maintenance in Dallas?

For cooling systems, schedule spring tune-ups in March–April before peak demand season. For heating systems, fall service in September–October ensures readiness. Scheduling preventive maintenance during off-peak periods gives you faster scheduling and sometimes lower rates.