New AC
Lowest Prices 

Home warranty customers

get extra savings!

Wifi Thermostat special 

Free setup & install with

purchase of Tune Up

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Welcome to MDT Heating & Air Conditioning

We're your local HVAC experts servicing Chester, Delaware, and Lancaster counties. If you're looking for quality, reliable and trustworthy service without the fluff, you're in the right place! 

Click below to learn more about us and our services

About MDT


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