No heat or no cooling right now?
If you smell gas or a carbon monoxide alarm sounds, leave first and call 911 or your gas utility from outside. Otherwise, call a company below that says it takes emergency calls. Quick checks first: AC not cooling · furnace not working.
The list
Dallas HVAC companies, A to Z
Filter by what each business says on its own website. “Says 24/7 emergency” means its site says so – call to confirm before you rely on it.
Your HVAC company, Dallas
The one City Spotlight place for Dallas sits here, above the A to Z list. Requests sent from this page for areas the Spotlight company serves go to it. Offered only to companies that pass our listing rules. How it works
Air Patrol Air Conditioning
Based in Dallas, TX · 13644 Neutron Rd Ste 100, Dallas, TX 75244
Names on its website: Farmers Branch, Carrollton, Arlington, Plano, Frisco
Airtech Air Services, LLC
Based in Richardson, TX
Names on its website: Addison, Allen, Carrollton, Dallas, Farmers Branch, Garland, Irving, Plano
Anthony's AC and Heating
Based in Grand Prairie, TX
Names on its website: Irving, Arlington
Barbosa Plumbing & Air Conditioning
Based in Dallas, TX · 9810 Abernathy Ave., Dallas, TX 75220
Names on its website: Carrollton, Coppell, Farmers Branch, Flower Mound, Garland, Irving, Lewisville, Plano, Richardson, The Colony and more
License number shown on its website: TX License #TACLA002374; Plumbing M-37241
C&S Air Inc.
Based in Mansfield, TX · 2214 FM1187 #8, Mansfield, TX 76063
Names on its website: Arlington, Burleson, Kennedale, Midlothian, Grand Prairie
License number shown on its website: TACLA003204C; TACLB26092E
Cody & Sons Plumbing, Heating & Air
Based in Dallas, TX · 209 W Clarendon Dr, Dallas, TX 75208
Names on its website: Plano
License number shown on its website: #36081TACLA57826E
Collin Air
Based in Plano, TX · 6905 K Avenue, Suite #201, Plano, TX 75074
Names on its website: Allen, Carrollton, North Dallas, Frisco, McKinney, Richardson, The Colony, Wylie, Prosper, Murphy
License number shown on its website: TACLB #2297C
CW Service Pros Plumbing, Heating & Air Conditioning
Based in Lewisville, TX · 1890 Midway Rd, Lewisville, TX 75056
Names on its website: Addison, Allen, Bedford, Carrollton, Coppell, Corinth
License number shown on its website: TACLA26090E; Plumbing M-21377
DT Air Conditioning & Heating
Based in Plano, TX · 6713 Oceanview Drive, Plano, TX 75074
Names on its website: Allen, McKinney, Frisco, Richardson, Murphy, Wylie, Fairview, Lucas, Parker, Rockwall
Garland Heating and Air Conditioning
Based in Garland, TX · 2113 S. Garland Ave., Garland, TX 75041
Names on its website: Rockwall, Rowlett, Addison, Allen, Carrollton, Dallas, Frisco, Lewisville, McKinney, Mesquite and more
License number shown on its website: TACLA26904E
Hammack Service Company, Inc.
Based in Richardson, TX · 723 S. Sherman St. Suite 1, Richardson, TX 75081
Names on its website: Allen, Carrollton, Coppell, Dallas, Fairview, Farmers Branch, Frisco, Garland, McKinney, Murphy and more
Heat and Air Gurus
Based in Carrollton, TX
Names on its website: Allen, Farmers Branch, Richardson, Lewisville, The Colony, Dallas, Plano, Frisco
Integrity Air Conditioning & Heating
Based in Mesquite, TX · 4180 IH 30, Suite A, Mesquite, TX 75150
Names on its website: Addison, Allen, Arlington, Carrollton, Dallas, Garland, Irving, Plano, Richardson
License number shown on its website: TACLA124869E
Jason's Airtex Services LLC
Based in Mesquite, TX
License number shown on its website: TACLB 72824E
Mesquite Heating and Air Conditioning, Inc.
Based in Mesquite, TX · 2509 Westwood Ave, Mesquite, TX 75150
Names on its website: Dallas
License number shown on its website: TACLB00030310E
On The Spot HVAC
Based in Allen, TX · 333 E Bethany Dr, Allen, TX 75002
Names on its website: Plano, Dallas, Addison, Carrollton, Denton, Farmers Branch, Frisco, Garland, Lewisville, McKinney and more
License number shown on its website: TACLA00087658E
Pretty Cool AC Heating and Refrigeration
Based in Mesquite, TX
Names on its website: Arlington, Balch Springs, Cedar Hill, Dallas, DeSoto, Forney, Garland, Irving, Plano, Richardson and more
RocTex Heating & Air Conditioning
Based in Rockwall, TX
Names on its website: Wylie
License number shown on its website: TACLB108807E
Select Air Conditioning & Heating
Based in Lewisville, TX
Names on its website: Flower Mound, Denton, Carrollton, Coppell, Grapevine
License number shown on its website: TACLB27681E
StevenSons Heating & Air Conditioning, Inc.
Based in Rowlett, TX
Names on its website: Garland, Plano, Rockwall, Heath, Wylie, Sachse
License number shown on its website: TACLA10550C
Tom's Mechanical, Inc.
Based in Pantego, TX · 3428 W Pioneer Pkwy, Pantego, TX 76013
Names on its website: Arlington, Grand Prairie, Mansfield, Bedford, Hurst
License number shown on its website: TACLA130349C; RMP-42999
Town East Heating & Air Conditioning Co, LLC
Based in Dallas, TX · 10215 Miller Rd, Dallas, TX 75238
Names on its website: Mesquite
License number shown on its website: TACLA 001103C
Trotter Air Services, LLC
Based in Plano, TX · 1111 Jupiter Road Suite 201-C, Plano, TX 75074
Names on its website: Frisco, McKinney, Allen, Garland, Richardson, Dallas
License number shown on its website: TACLA50795E
Details on this page come from each business’s own website, checked October 2026. Free listings are shown alphabetically. How we list · Update or remove a listing
Before you hire
Checking an HVAC company in the Dallas area
HVAC licenses in Texas
HVAC contractors are licensed by the state.
Who licenses: Texas Department of Licensing and Regulation (TDLR), Air Conditioning and Refrigeration Contractors program
License types: Air Conditioning and Refrigeration Contractor License, Class A, Air Conditioning and Refrigeration Contractor License, Class B, Registered Technician, Certified Technician.
Companies: Under Texas Occupations Code Chapter 1302 (section 1302.251), a person may not engage in air conditioning and refrigeration contracting without a TDLR contractor license; Class A covers any size system and Class B covers cooling up to 25 tons and heating up to 1.5 million BTU/hour.
Local rules: A licensed contractor must give notice to the municipality that enforces air conditioning and refrigeration rules (Occupations Code 1302.262), and cities may charge an administrative fee and require permits.
Check a license: tdlr.texas.gov
Look up the company's ACR contractor license number on the TDLR license search and make sure it is active and shown on the contract and ads.
Federal rule: in every state, technicians who handle refrigerant must hold EPA Section 608 certification, whatever the state or city requires.
Sources: tdlr.texas.gov, tdlr.texas.gov, tdlr.texas.gov, tdlr.texas.gov. Checked October 2026 from official sources. This is not legal advice.
Questions to ask
Ask every company the same questions: license number, insurance, EPA refrigerant certification, a written itemized estimate, a load calculation for new equipment, after-hours rates, who pulls the permit, and the warranty. All eight questions.
Seasonal care
Keeping cool in Dallas
Cooling season is the long one in Dallas, so most of the wear falls on the air conditioner or heat pump. These guides cover the care that prevents most summer breakdowns.
Questions
Dallas HVAC questions
How many HVAC companies are listed in Dallas?
23 HVAC companies, each based within about 25 miles of Dallas. They are listed alphabetically.
Which Dallas HVAC companies say they offer 24/7 emergency service?
13 of the businesses listed here say on their own website that they offer 24/7 or 24-hour emergency service: Air Patrol Air Conditioning, Airtech Air Services, LLC, C&S Air Inc., Cody & Sons Plumbing, Heating & Air, Collin Air, CW Service Pros Plumbing, Heating & Air Conditioning, DT Air Conditioning & Heating, Heat and Air Gurus, Mesquite Heating and Air Conditioning, Inc., On The Spot HVAC, StevenSons Heating & Air Conditioning, Inc., Tom’s Mechanical, Inc. and others. Call to confirm availability and after-hours rates.
Do HVAC contractors in Dallas need a license?
Texas licenses HVAC contractors statewide through the Texas Department of Licensing and Regulation (TDLR), Air Conditioning and Refrigeration Contractors program. Check a license at tdlr.texas.gov.
Which Dallas companies work on heat pumps?
19 of the listed businesses say on their own website that they install or repair heat pumps. Use the Heat pumps filter above the list.
Which HVAC companies here do commercial work?
15 of the listed businesses say on their own website that they work on commercial properties. Use the Commercial filter above the list.
Do technicians need EPA certification?
Yes: federal rules require technicians who handle refrigerant to hold EPA Section 608 certification, in every state. Ask any company you are considering.
Nearby metro areas: Houston, TX · San Antonio, TX · Austin, TX · Oklahoma City, OK · New Orleans, LA · Albuquerque, NM · Little Rock, AR · El Paso, TX. All of Texas.
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No heat in freezing weather, or no cooling in dangerous heat? Call a company from the list that says it takes emergency calls – a form is not fast enough. If you smell gas or a carbon monoxide alarm sounds, leave first and call 911 or your gas utility from outside.