Richardson, TX · Updated Nov 2026

25 HVAC contractors in Richardson: 22 with a license we could verify.

AirProHQ lists 25 heating and cooling companies in Richardson, TX; 22 (88%) match a license on the TDLR register. 3 advertise 24-hour emergency service. The 75081, 75080, 75082 ZIP codes hold 100% of them. Of those 22, 18 are current and 4 have passed the expiry date shown on the register; those listings say so. These listings come from the license register rather than review sites, so most carry no public rating — a verified license with no reviews is normal here, not a warning sign.

Richardson at a glance
Climate zoneIECC Zone 3A: warm and humid
License boardTDLR · number on every ad
Minimum efficiency (South)14.3 SEER2 split systems
Licenses renewing within 90 days4
Verify a license on the TDLR lookup

How we check every listing: our full verification methodology.

25Contractors listed
22License-verified · 88%
3Advertise 24/7 service

22 license-verified shown first, then 3 unverified · distances from the center of the listed offices

Sorted: license status, then name

HVAC contractors in Richardson, TX

License verified

Koldaire

75080 · under ½ mileLicense 21926 · to 2027
Public reviewsNone on file
License expired24/7

AC Pros

75081 · 0.7 miOpen 24 hours
Public reviewsNone on file
Where they're based

3 ZIP codes hold 100% of Richardson's listed offices

Counted from the office address on each record. A contractor based near you usually means a shorter response window on a hot afternoon.

  1. 017508115
  2. 02750807
  3. 03750823
AC ProsAir Comfort COAir Source Mechanical LLCAll Seismic Solutions LLCAndrade Air ConditioningBubba Services INCGulf Energy Mechanical INCHVAC Alternative DfwHammack Service Company INCHesse Air Conditioning And HeatingKoldaireL&S Plumbing Partnership Ltd DBA L&S MechanicalMak HVAC LLCParadise AirPars PowersRescue Air LLCShurtemp Air Conditioning & HeatingTri Tech Mechanical Group LLCTruficient Energy Solutions LLCVergos Mechanical, INC 750817508075082
21 of 25 listings have a geocoded office address. Dots are offices, not service areas.License verifiedNot verified24/7

Richardson sits in IECC Zone 3A: warm and humid — hot summers with meaningful winter heating days, so systems are sized for both.

Know the fair price

What HVAC work costs in Richardson

National 2026 ranges from our cost guides. Ask any contractor for a written, itemized quote and compare it against them.

JobTypical cost
Diagnostic / service call$75 – $200
Capacitor replacement$100 – $250
Refrigerant recharge$200 – $600
Compressor replacement$1,300 – $2,800
Central air conditioner$3,900 – $7,900
Full HVAC (furnace + AC)$5,000 – $12,500
Richardson FAQ

Hiring an HVAC contractor in Richardson

Answers built from Richardson's own listing data.

01

How do I check a Richardson HVAC contractor's license?

Ask for the license number and search it on the TDLR lookup (official site). 22 of the 25 listings here already match an active license; each of those profiles links straight to the lookup.

02

Which Richardson HVAC companies advertise 24/7 service?

3 listings in Richardson, TX advertise round-the-clock service; filter the list above by 24/7 to see them. We record the claim from their own websites, not verified hours.

03

Why do most Richardson listings show no reviews?

Our Richardson data comes from the TDLR license register, not from review sites, so many licensed one-truck operations have no public review profile. A verified license with no reviews is not a red flag — ask for two recent local references instead.