Installations Save You $$$


Why Choose

JT Dunn


service is

Priority #1


 & Tax


Illinois and Missouri HVAC Experts

Greater St Louis Heating and Cooling Services. Emergency Service:  3142777984  alt 3146814094 JT Dunn Heating and Air Conditioning is prepared to solve any of your commercial or residential heating and cooling needs unique to the climate of the greater St louis Area on both sides of the river.  From heat pumps to air conditioners, furnaces to boilers we have background checked, NATE certified HVAC technicians ready to  solve your heating and cooling problem.  We won't stop until you are happy with our heating and air conditioning service because you deserve comfort and energy savings from the money-back guaranteed HVAC service at JT Dunn Heating and Air Conditioning.  Click here to find out why a company licensed in Illinois and Missouri may be better qualified to serve your heating and cooling needs. Heating and Coolings Services that ARE Inexpensive and Ultimate Quality. JT Dunn Heating and Cooling IS the ultimate team of heating and cooling specialists in St. Louis because we ARE an innovative fusion of highly advanced HVAC service procedures and cost-cutting business processes.  Our unique HVAC business model enables us to provide heating and cooling services to the greater St Louis area that are of the highest value.  Call us from both sides of the river in the greater St Louis area - Greater St Louis HVAC estimates are FREE - you can't lose. 314-809-3019 or 618-717-0707    Hey Saint Louis.  Need Some Fresh Air?  Come Inside. To all our folks on both sides of the river in the greater St Louis area - Why live in a cesspool of uncomfortable, unfiltered air from your furnace and air conditioner when you can inexpensively live in an indoor environment filled with the purest air on earth from your furnace, air conditioner, and air cleaner right here in the St Louis area.  An indoor climate created by JT Dunn Heating and Air Conditioning will provide the purity in air you need, but don't be alarmed when Mother Nature, herself, comes knocking on your door for a place to escape. Seriously, we recreate the most comfortable climates on earth right in your very home because life is all about living... in comfort. Take the Hassle Out of Choosing a Heating and Cooling Company In the greater St Louis area, JT Dunn Heating and Cooling is a no-nonsense, everything-on-the -table sort of heating and cooling company.  Our written 100% HVAC satisfaction guarantee is behind all the work we do- if you're not happy with our heating and cooling services for any reason we'll make it right or give your money back no questions asked.  No matter if it is a furnace or AC repair, furnace and AC installation, heat pump installation, or anything heating and air conditioning related you will have our HVAC guarantee.  Just look at our heating and cooling installation and repair reviews all over the web.  We mean HVAC business.

Indoor Climate Products and Services for the
Greater St Louis Region 314-809-3019