About Our Local Company

Family-Owned in West Chester for Over 15 Years

Owning a property comes with many advantages and additional responsibilities. At times you’ll experience concerns and problems with your Heating and Air Conditioning Systems. At Donnelly Heating & Air Conditioning, we recognize the importance of feeling comfortable indoors and provide professional HVAC services throughout the year in the Chester County area.

We are here to take care of all your HVAC needs; We service, repair, maintain, and install Heating and Air Conditioning systems.

Although there are several HVAC companies in Chester County, we set ourselves apart in the following ways:

  • Our company has been in business for over15 years
  • Our technicians are experienced in the service, diagnosis, and repair of all HVAC makes and models.
  • Our knowledgeable HVAC estimators provide competitive HVAC installation pricing.
  • Our installation team works diligently to complete exceptional installations.
  • We always provide upfront pricing.
  • We offer low-interest financing options.
  • We provide heating and air conditioning service 365 days a year.

Receive the superior service you deserve!

Whatever your problem may be, we will work hard to exceed your expectations. To learn more about our company and our qualifications, please feel free to give us a call at (610) 399-1998!

Why Choose Us?

  • Group rates for oil deliveries
  • FREE in home estimates
  • Electrical association manufacture rebates
  • Highly trained, experienced technicians
  • PECO Smart Home Energy Rebates
  • Extended Labor Warranty
  • Financing Available

How Can We Serve You?