Best Air Filtration in Saint Louis MO

When I was home to visit my parents in Baldwin, MO their AC went out so we made a call to Dunn Heating and Cooling. We couldn't believe that within an hour they were there and within two hours we had AC again! Definitely contact Dunn Heating and Cooling for your AC and heating needs...

great service great price

Dan came out quick and got my sink unclogged! I was very impressed by the speedy and efficient service.

Extremely reliable services given our AC and Heating units. Wonderful technicians and office staff too! Simply love their maintenance program as well!