St. Louis Air Conditioner Installers You Can Trust

At Dunn Heating & Cooling, We Pride Ourselves On Providing:

  • Heating and Air Conditioning installation for any brand
  • Commercial or residential heating and air conditioning installation
  • After hours service
  • 100% Satisfaction Guarantee/Warranty on all installations
  • Qualified, background checked technicians
  • Our “Up Front Pricing”
  • Save money & lighten your ecological impact!

Air Conditioning Installation Service

For more than a decade, the heating and air conditioning technicians at Dunn Heating & Cooling have been providing the Greater St Louis area with the best in workmanship and customer service. Call us for heating and air conditioning installation, repair and routine maintenance. We offer the same high-quality customer care to both residential and commercial customers.

Unlike buying a refrigerator, an HVAC system is field fabricated, so the HVAC installer plays a huge role in ensuring if the HVAC system delivers everything it should. Given the huge variance in quality among HVAC installation companies, it is very likely that your HVAC system will not deliver maximum value if you do not perform the necessary research prior to selection of a heating and cooling contractor.

We have an exclusive HVAC installation process made up of checks and balances to ensure maximum performance out of your heating and cooling system.  Check our HVAC reviews online and see the proof.

Our St. Louis AC installation service areas include the following cities: Chesterfield, Oakville, Wildwood, Ballwin, Mehlville, Kirkwood, Maryland Heights, Webster Groves, Affton, Manchester, Lemay, Creve Coeur, Clayton, Crestwood, Town and Country, Richmond Heights, Ellisville, Ladue, Des Peres, Sunset Hills, Brentwood, Olivette, Shrewsbury, Valley Park, Glendale, Rock Hill, Fenton, Frontenac, Warson Woods and Huntleigh.

AC Installation