15+ years • 6,500+ jobs completed • 1,500+ Oklahoma homes served

Request a Service Call

Tell us what’s going on, we’ll call you back to schedule. Honest answers, no runaround.

A $99 dispatch fee applies when we come out. A separate $111 diagnostic fee is due at time of service, part of the $210 flat repair-call price.

I’m an existing Hartzell’s customer (within the last 18 months)

Get a quick callback, no commitment

Drop your name and number. Dave or his team will call you back, usually within the hour.

Or fill out the full form below to schedule directly.

4.8★

300+ Reviews

45 Yrs

HVAC Experience

NATE

Certified

Prefer to call? 405-375-4822Dave answers.

See real HVAC jobs near you. I show 6,500+ completed HVAC jobs by town on one page, with write-ups and photos from my crew. Type your ZIP or town to see the work around you. 4.8 stars, 300+ Google reviews.