About Us
Learn more about us
Built on Trust. Proven by Time.
Randy and Teresa Lazenby founded 1st Class Heat & Air in 2004 with a simple belief: every DFW family deserves an HVAC company they can actually trust. Not a company that sends a stranger to their door. A company that shows up, tells the truth, and stands behind the work.
For over 22 years, that belief has driven every service call, every repair, every installation across 48 cities in the Dallas-Fort Worth metroplex. 5,000+ customers and a 4.8-star rating aren’t marketing numbers — they’re the names of neighbors who called again.
“We’ve always had the heart. We’ve just never said it.” — Randy Lazenby
Our licensed technicians perform a complete clean air assessment in under 30 minutes — duct inspection, indoor air quality reading, and a recommendation that fits your home and budget. Call (972) 673-0408 or use the Text us chat in the bottom-right to get started.
Why DFW Homeowners Pick Us Over the Franchise
You have options. There’s the big-name shop with the 30-second jingle. There’s the cheap guy off Craigslist. There’s the chain franchise with the diagnostic fee model. Here’s why 22 years of DFW homeowners chose the local family-run shop instead.






