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

Straightforward pricing

• $99 dispatch on every truck roll. Free on new-install estimates.
• $210 flat residential service call: $99 dispatch plus $111 diagnostic. The diagnostic does not reduce the repair price.
• $99 dispatch credit: accept my written repair estimate within 10 days and I give the $99 dispatch fee back.
• Free estimates on new installs. No charge to walk through replacement options.

Call (405) 375-4822. 4.8 stars, 300+ Google reviews.

• R-454B and R-32 refrigerants now standard on new equipment. Both are mildly flammable A2L. R-454B recovery $445, R-32 recovery $395. About 50% pricier per pound than R-410A. I stock both.
• Hard Start Kit $415 installed + BEST surge protection bundle $1,225 (control board spike + transformer + in-line fuse). One $1,225 surge fix beats one $3,195 compressor replacement after Oklahoma lightning.
• Free second opinion on any repair quote. Most competitors charge or refuse. Weekday mornings, repair customers welcome. Call 405-375-4822.

HVAC Service Near Me in Langston, Oklahoma | Hartzell’s Heat & Air

I run HVAC service in Langston, Oklahoma, about forty-five minutes east of my Kingfisher shop. I run a BBB A+ rated shop with forty-five years of HVAC experience and an Oklahoma Master HVAC license, so when I come out you are getting the person who actually fixes the problem, not a salesperson. Out here in Logan County, what I see most is university-town housing and older neighborhoods around the Langston University campus. Call 405-375-4822 or book at hartzellsheatair.com and I will get you scheduled.

I serve Langston and the surrounding Logan County area for AC repair, furnace repair, system replacement, and geothermal. Same NATE Certified crew, same upfront pricing as my Kingfisher home base. Whether it’s a home near campus or a rural property out in the countryside, I’m close by and ready to help when the schedule allows. Call 405-375-4822.

📞  Call (405) 375-4822

AC Repair  ·  Heat Pumps  ·  Geothermal  ·  Maintenance Plans

HVAC Services in Langston

Langston, Oklahoma: What I Know About This Community

Langston was established in 1890 by Edward P. McCabe, who had a larger vision: an all-Black state carved from Indian Territory. He recruited thousands of Black families from the South, and Langston was one of several all-Black towns that took root in what would become Oklahoma. It existed as a community and a statement, and it predates Oklahoma statehood by 17 years.

Langston University, founded in 1897 under the Morrill Act of 1890, is Oklahoma’s only HBCU. It was established as the Colored Agricultural and Normal University at a time when the territory’s politics made that an act of institutional determination. There were repeated efforts over the decades to close it. It survived every one of them, and today it serves thousands of students. That history matters. When I pull into Langston for a service call, I’m working in a place that was built against real resistance and has been holding its ground ever since.

From an HVAC standpoint, the community is a mix. The university campus has older buildings from the early 1900s through mid-century, faculty and staff housing that tends to be 1950s to 1970s construction, and rural residential properties outside town with acreage. That rural land is well-suited for geothermal ground loops. OEC (Oklahoma Electric Cooperative) serves most of Logan County including Langston, with geothermal rebates of $400 to $700 per ton for qualifying installs. I handle the equipment, the installation, and the rebate documentation, one contractor for the whole job.

Why Langston Homeowners Choose Hartzell’s

• Upfront pricingyou know the cost before I start, every time
• NATE Certified techniciansnationally certified, not just trained in-house
• Manual J sizing on replacementsI calculate the load, I don’t guess
• IGSHPA Accredited geothermal installerone of very few in Oklahoma
• Trane TCS SELECT & Mitsubishi Diamond Dealerpremium brands installed right
• 4.8★ / 300+ reviewslocal reputation built over 15+ years in Central Oklahoma

Frequently Asked Questions