About Us

1st Service Van 1983

1st Service Van 1983

A/1  Heating & Air Conditioning Inc. is committed to providing prompt and friendly customer service matched by none. We are one of the  largest Carrier dealers in Carroll County. We have proudly provided service for the Westminster and surrounding areas for over 37 years. We specialize in residential  and light commercial installations,  service and replacements. Our team of Factory-trained technicians and installers are backed with years of experience and are able to repair or replace all makes and models with 100% satisfaction guaranteed. All of the employees at A/1 Heating & Air Conditioning  take pride in their work and are dedicated to provide the best possible service to  you, the customer. It is our goal at A/1 Heating & Air Conditioning to give that personable home town attention to each and every customer, Because...    

 " A satisfied customer is without a doubt  the "Best" advertisement our company invests in"                                                                                                                                


A/1 Heating & Air Conditioning has been voted one of "Carroll's Best" Air Conditioning Contractors for multiple years. 

"Carroll"s Best" is a contest held by the Carroll County Times newspaper and voted on by the citizens Carroll County.                                         


Nate Certified

Our Technicians are "NATE CERTIFIED" Which means, our technicians have passed a nationally recognized test of excellence, that is endorsed by the United States department of energy                                                       


Carrier Factory Authorized Dealer