How to Check an HVAC Contractor's License in Dallas
Texas HVAC licenses are public and take 90 seconds to check. What to verify on a Dallas contractor, the permit and warranty traps, and what to ask first.
Texas licenses HVAC contractors, and the license is public. Anyone can check it in about ninety seconds. Almost nobody does — which is how unlicensed work keeps getting sold in Dallas at a price that looks like a bargain right up until the compressor fails and the manufacturer denies the warranty claim.
How Do I Check a Dallas HVAC Contractor’s License?
The Texas Department of Licensing and Regulation maintains a searchable public list of every licensed air conditioning and refrigeration contractor in the state. Search the company name, or better, the license number they give you.
- The license is active, not expired or lapsed.
- The name on the license matches the company on your quote. A tech carrying someone else’s license number is a common dodge.
- The class covers your job. Class A covers any size equipment; Class B is capped, which matters for larger residential and light commercial systems.
- The endorsement matches the work. Environmental air conditioning and commercial refrigeration are separate endorsements.
What Does an HVAC License Not Tell You?
A license means the contractor met the state’s requirements for experience, testing, and insurance. It is a floor, not a rating. It says nothing about whether they show up on time, size a system correctly, or pull the permit. Treat it as the first filter, not the decision.
Do HVAC Contractors in Dallas Have to Be Insured?
Texas requires licensed contractors to carry general liability coverage. Asking “are you insured?” gets a yes from everyone. Asking for a certificate of insurance naming your address gets a yes from a much smaller group, and it takes them one email to produce it. If a contractor is going to be brazing refrigerant lines in your attic, this is a reasonable thing to see.
Do I Need a Permit to Replace an HVAC System in Dallas?
The City of Dallas requires a mechanical permit for a system replacement. A contractor who suggests skipping it is not saving you a fee — they’re moving the risk onto you. Unpermitted mechanical work surfaces during a home sale inspection, and the buyer’s lender is the one who decides how expensive that becomes.
Permitted work also gets inspected, which is the only independent check anyone will ever perform on the installation.
What Are the Red Flags When Hiring an HVAC Contractor?
| What You Hear | What It Usually Means |
|---|---|
| “Cash price, no permit needed” | No inspection, no paper trail, no recourse |
| Quote for a replacement with no load calculation | Sized off the old unit’s label — repeats whatever mistake was already there |
| “This price is only good today” | Pressure standing in for a proposal you can compare |
| Diagnosis with no measurements quoted | Nobody put a gauge or a meter on anything |
| No written scope, just a number | Nothing to hold anyone to when it goes wrong |
Can Unlicensed Work Void My HVAC Warranty?
Manufacturer parts warranties on new equipment generally require installation by a licensed contractor and registration within a set window — often 60 or 90 days from install. An unlicensed install can void a ten-year parts warranty on day one, and the homeowner finds out about it in year six, holding a compressor quote.
Ask who registers the warranty and get the confirmation in writing after the job.
What Should I Ask on the Call?
- What’s your TDLR license number?
- Is the permit included in the price?
- Will you do a load calculation before quoting a replacement?
- What’s covered under labor warranty, and for how long?
Four questions. A contractor worth hiring answers all four without hesitating.
Our Credentials
Absolute Comfort Mechanical is a licensed, insured HVAC contractor based in Dallas, and we pull permits on replacement work as a matter of course. Ask us for the license number and the certificate — we’d rather you check.
Call 214-900-2533 or read about our company. See customer job stories.