Sales Department

Mark Hurm & Company has been a Lennox Premier Dealer for over 10 years with an average customer satisfaction rate, independently evaluated on an ongoing basis of 97+ percent. We are also a partnering contractor with GRU. Our well trained Comfort Specialists will help you decide which Energy saving equipment best fits your needs, and provides you with the most cost effective and energy efficient solution.

Before going through the selection process for your new heating and cooling system, we will perform all necessary heating and cooling load calculations, as well as any necessary duct design/redesign that may be required.

These processes are also referred to as:
• Manual J Load Calculations for all equipment installations to ensure proper equipment sizing
• Manual D Duct Calculations for new duct installations

We carry multiple brands of HVAC equipment in order to meet all aspects of your heating and cooling needs, and budgets.

Our estimates are FREE! Please call us now, to see how we can help you have a more comfortable home, and SAVE you money on your heating and cooling costs.


Dave Lennox Signature® Collection

XC21 Air Conditioner
The most quiet and efficient central air conditioner you can buy

  • Energy Saving
  • Calculator
  • Product Slector
  • Solar Calculator
  • Financing Guide



If there’s an air of superiority to these units, it’s because they’re the quietest, most efficient models we make.



One of the industry’s most efficient air conditioners. Built to stand up to the elements and deliver reliable cooling, even on the hottest day of the year, and lowering your cooling costs at the same time.


DSXC18 Air Conditioner

Up to 18 SEER Performance
R-410A Refrigerant
ComfortNet™ Communication System