About Us

Over 17 years ago, Duane Deffenbaugh along with his wife Kim, launched Guardian Heating & Cooling LLC. This family owned and operated business has over 35 years combined  experience. With that amount of seasoned knowledge, you will get expert service and advice for your heating and cooling needs for your home. Their son Aaron later joined the team and has been there for most of the company’s journey.

Duane holds an ICC Kansas Standard Master Mechanical license, Class DM.  The company is licensed and insured based on regulation for the state of Kansas and for that extra comfort to our customers.  All technicians hold an EPA certification for the handling of refrigerant chemicals.

We service all makes and models! From repairs to installations, standard maintenance, furnace replacements, air cleaners, qualities humidifiers, and more… we do whatever it takes to keep your air quality healthy and your temperature comfortable. 

Conveniently located near Spring Hill, Kansas – Guardian services Johnson and Miami Counties in Kansas.

For a free quote, give us a call today at 913-592-3333

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