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You'll find everything you need right here. Our team is on top of (and inside, and around) all things HVAC. We work with the top manufacturers, and our customer service is the reason we've been in business 65+ years.

If you have any questions or suggestions, please drop me a line through the contact page. Yes, I do read the emails personally. Also, check back because we change up our special offers fairly often. Thanks for visiting.

Angie's List Super Service Award

Dave Harster

Latest News

Hi, there. We can turn on lights with our phone. Check on the babysitter. Even start our cars. Why should your thermostat be any different, right? “Smart” thermostats are gaining a lot of popularity – and for good reason ...


Why Harster?

“I cannot say enough to express my appreciation for the gentlemen who installed my new systems here at our residence. Your employees were here all day working diligently to get the job done and were professional, personable, and hospitable. I knew I made the right choice in choosing Harster and am thankful I did. I will highly recommend your company as often as possible, and in every opportunity. You have some great men representing your company. I trust my investment will be safe and dependable, providing the air and heat our home needs for our family. Thank you for the peace of mind.”

 —Kim P.


Our Billboards

You've seen them around town, and we'll showcase them here.