About 2017-11-14T14:52:53+00:00



At One Hour Heating & Air Conditioning, we live by our motto—“Always on Time … Or You Don’t Pay a Dime.” We know your time is extremely valuable, so respecting that time is our top priority. That’s why we’ll stop at nothing to provide on-time service and quality HVAC installation and repair work that gets done right the first time. With an emphasis on customer service, courtesy and quality work, all our One Hour heating and cooling services are completed in a prompt, accurate and efficient manner. That’s how One Hour Heating & Air Conditioning has earned our reputation as a trusted HVAC installation and repair company in Sioux Falls. We value our clients and consistently exceed expectations.

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It’s one thing to promise excellent HVAC service and quality work. It’s another to back up those promises with industry-leading guarantees and warranties. We can do that because of our friendly, experienced technicians, state-of-the-art techniques, and quality parts. That’s Our Difference—the difference that has resulted in growing numbers of happy Sioux Falls HVAC customers.


KELLY CAWTHORNEManager and Technician
Kelly worked for his dad for over 12 years, learning the One Hour Air business through-and-through before assuming the roll of leading the team. He is a fisherman at heart—whether it’s snowy or sunny you’ll find him on the water!
Kacie has been working with the One Hour Air family for just over five years. In her free time, she enjoys living a healthy lifestyle through cooking and spending time at the gym.
Jamie works as a technician with his dad, Kelly. He has a love for hunting and spending time outdoors with his German Shorthair, Riley. He also enjoys teaching his niece archery and hopes to take her bow hunting one day.