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Chapman HVAC

Elevating comfort across Oklahoma through high performance HVAC, indoor air quality, building science, dehumidification, and ventilation.
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10/05/2026

We had a great time today golfing at the MEPO of Oklahoma golf tournament with our friends at Federated Insurance and our new friends at Torch Plumbing, Heating, & Cooling.

Beautiful course, beautiful weather, and ugly guys…it was a great day!

10/02/2026

We were successful with our first HAVEN IAQ installation. This system is an add on to your HVAC system that measures indoor air quality and lets your hvac contractor setup automations based off your indoor air quality as well as the outdoor air quality. Anyone in Oklahoma knows pollen, wildfire, and allergies and their effects. We are elevating our business to take on indoor air quality and building science. We want to make your home healthy again.

We used it here to ultimately automate a ventilating dehumidifier and a fresh air damper on demand based on readings from our sensors, I.e. not ventilate when the outside air quality index is at a certain level, dehumidify at a certain dew point, not ventilate at certain outdoor temperatures or dew points. Secondly, it will allow us to see trends over time to ultimately further diagnose issues.

Contact us today for your air quality issues!

09/24/2026

We caught a few samples of some clogged condensate drains. This spring and summer was one of the worst we’ve seen as far as drain calls. The humidity and high heat conditions only compounded things. Ultimately this usually come back to poor filtration.

What are we looking at? It’s mostly dead skin, dust, pollen, and other organic matter. Yum!

09/23/2026

This is a great demonstration of filtration, we love Merv 11, 13, and 16!

That being said, you have to be careful though with just tossing a high merv filter in your furnace or air handler, you can cause high static pressure and other issues as they have to be sized to your systems airflow. It’s also why you will see us upsizing our duct and filter racks in our systems.

If you have questions on indoor air quality, filtration, and other comfort issues please feel free to reach out to our office.

09/17/2026

The struggle!

09/15/2026

A few pictures of some custom new construction homes we have been working on. These are setup the correct way from the beginning and each will have a full commissioning.

✅ Ventilating Dehumidifiers
✅ Filtered Fresh Air
✅ Full Manual J Load Calculations
✅ Proper Duct Sizing
✅ IAQ Controls
✅ Aprilaire Filtration

09/05/2026

This was one hot wiener! He was ready for some airflow!

09/04/2026

Our first National Comfort Institute Summit conference didn’t disappoint. It was held at Dollywood in Pigeon Forge, Tennessee. Great times, great people, immense amount of learning material. Already planning for next year!

Christian, Robert, and Shaun took various classes on airflow, indoor air quality, customer interaction, and high performance HVAC. It was a pleasure meeting and learning from some of the very best in the business.

Lastly, it was very humbling seeing a whole town mourn the loss of Dolly. Every business with a marquee paid tribute to her. Truly was an American icon.

08/21/2026

These kiddo’s know cool air when they feel it! 🧊🪭🥶❄️👍

08/14/2026

August in Oklahoma…

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Cleveland, OK
74020

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