HVAC Company in Bethany, OK

Keeping your home comfortable all year round depends on a reliable HVAC system, and that’s where a professional HVAC company in Bethany, OK, comes in handy. These local experts handle everything from routine maintenance to emergency repairs, so you can stay warm in the winter and cool in the summer.


The benefits go beyond temperature control, including energy efficiency, indoor air quality, and long-term cost savings by preventing small issues from becoming big, expensive problems.


Homeowners who notice uneven temperatures, strange noises, smells, high energy bills, or systems over 15 years old should strongly consider professional HVAC services. Businesses also rely on these experts to keep their employees and customers comfortable.


Imagine a hot July afternoon when your air conditioner quits. While trying to fix it yourself might seem like a way to save money, HVAC systems are complex, and misdiagnosis is easy. Professional technicians, in contrast, come equipped with the right tools and training to diagnose the issue, whether it’s a refrigerant leak, electrical fault, or failing compressor, and fix it safely and efficiently.


This not only gets you comfortable faster but also prevents potential safety hazards like electrical risks or carbon monoxide exposure from faulty heating systems.

Service times vary from 30 minutes to a full system replacement, usually taking a day. Enquire about the technician’s license and certifications (like NATE certification), the details of the proposed repairs or replacement, including brand options and efficiency ratings, the warranty on parts and labor, and if they offer emergency service or maintenance plans.


When you're searching for a top-tier HVAC company in Bethany, OK, your search ends with us. We are Drennen Mechanical Inc., a locally owned company with over 15 years of experience serving our communities throughout Oklahoma County.

about - Bethany, OK

Founded in 1909 by members of the Church of the Nazarene looking for a faith-based community, Bethany, Oklahoma, is a city that was incorporated in 1910. It initially had blue laws that prohibited alcohol and Sunday sales. However, today, Bethany has something for everyone. 

Spring brings the Bethany 66 Festival along historic Route 66 with live music, classic car shows, and local artisan booths. Summer invites kayaking on Lake Overholser through the Stinchcomb Wildlife Refuge’s waterways, and winter turns downtown into a holiday wonderland with horse-drawn carriage rides and tree lighting ceremonies.

Though not as strict as its blue law days, the community still has a family-oriented feel through institutions like The Children’s Center rehabilitation hospital. This Oklahoma City neighbor proves you can have small-town living with big-city amenities without losing your identity.

happy customers in Bethany, OK

Amazing! We’ve used him before and he’s always amazing. I contacted him at 9am on fathers day and he was at my door at 10 am. Done by 1030. Very fair on the price. Can’t recommend enough.

Dalton K.

These men are top notch , professional, on time.

They get the job done right ,the first time.

I would recommend there service , to anyone needing HVAC service.

William B.

They are the absolute best. Kind, attentive, thorough and very fair on pricing. I will never use another mechanical company again.

John P.

Warren was the easiest guy to deal with and extremely reasonable on pricing. I will be using him in the near future to replace the largest unit in my home. Definitely a five star guy!

Thad H.

Great service! Showed up when they said they would and fixed it without trying to upsell products or do stuff we didn’t need!

Heather D.

Great service! They respond quickly to calls, the work is done well, and I never worry if I am being overcharged or paying for stuff I don't need. Highly recommend.

Jenny H.

Hire Us! Best and Top Rated HVAC Company in Bethany, OK

Led by Shawn Drennen, Drennen Mechanical Inc. is all about heating, cooling, and air quality solutions. We build long-term relationships by producing durable systems and facilitating open communication. Our mission is to be your go-to guy for year-round comfort so your home or business gets the attention it deserves from a team that will make you completely happy.


We offer full service for both residential and commercial clients. Furthermore, our experts pride themselves on energy-efficient solutions, staying on top of industry trends and technology to recommend and install the best systems out there.


Get a quote from us!