Thanks for stopping by

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

Thanks,
Dave Harster
President

Latest News


Things on the Cards' mound might be okay, but it's another brutal summer in Mound City. The next few weeks are going to be intense – in some ways, probably the most oppressive heat we've seen for a long time. And for your workhorse AC, that could mean trouble. ...

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Why Harster?


“Very courteous staff – highly recommended.”
 —Paul B.

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Our Billboards

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