Air D&B HVAC LLC
TDLR-Licensed A/C Contractor · License 103971
Air D&B HVAC LLC is on the TDLR air conditioning and refrigeration contractor file, license 103971.
TDLR records Derek Michael Serna as the licensed individual.
The license runs through April 6, 2027, per TDLR.
Google lists it as a service-area business near Gainesville, without a street address.
Its Google rating is 4.5 out of 5 (4 reviews).
License record
| TDLR license | A/C and refrigeration contractor license 103971 |
|---|---|
| Licensed individual | Derek Michael Serna |
| License expires | April 6, 2027 |
| County in the license file | Grayson County |
| Location | Service-area business near Gainesville (no street address published) |
| Google rating | 4.5 out of 5 from 4 reviews |
| Hours (Google) | Mon 8AM-5PM · Tue 8AM-5PM · Wed 8AM-5PM · Thu 8AM-5PM · Fri 8AM-5PM · Sat Closed · Sun Closed |
| Website | airdandb.com |
| Google Maps | View on Google Maps |
Source: TDLR air conditioning and refrigeration contractor license file (dated 10/14/2026); Google listing match name_geo. Verify the license at tdlr.texas.gov before hiring.
Compare the 11 A/C contractors and mold companies in Gainesville, with their TDLR license records and Google ratings.
Other TDLR-licensed A/C contractors listed in Gainesville: C & L Services, Arctic Air Heating & Cooling LLC, Heat And Air Rescue, Nextgen Airworks.