Formally established in 1711, Warminster, Pennsylvania was founded by William Penn and is home to Craven Hall, listed in the National Register of Historic Places. It also was home to the Naval Air Warfare Center had been located since 1943.


A picture of an air conditioner unit.

Air Conditioning & Heating Services for Residences and Businesses in Warminster, PA

Keeping your home and business in Warminster, PA comfortable year round is a top priority, especially when things go wrong. That’s why M.J. Mac, Inc. is here to help with highly trained technicians available for both repairs and installations, when you need us. Whether you’re looking to upgrade to a high efficiency air conditioner or furnace, or you need repairs on your existing system, we’ve got you covered. And with 24 hour service, you can reach a real person, day or night, no matter when problems might arise.

Commercial Cooling and Refrigeration Are Our Specialty

M.J. Mac does more than home heating and cooling systems. One of our specialities is installation and repair of commercial refrigeration units in Warminster and throughout the entire Philadelphia tri-state area. Our knowledgeable team can put in an entirely new unit for you, or help you to service your existing unit to keep it running at its peak performance. And M.J. Mac offers customized payment options to take the stress out of purchasing your new unit. Call us today to experience the highest quality heating, air conditioning and refrigeration services with the best customer service.

Areas we service – Call 24/7

Abington                                  Warminster

Ambler                                     Glenside

Fort Washington                    Jenkintown

Horsham                                 Hatboro

Willow Grove