Schedule Online (610) 595-5507 Our Awards & Recognition “I’m so glad I chose this company to check and clean my furnace. I was quite impressed with the communication and was sent a photo of my tech before his arrival. He was friendly, knowledgeable, and efficient, and explained everything to me about my furnace. I highly recommend Donnelly’s.” Recognized for Excellence by Customers and Industry Professionals Alike Better Business Bureau We are A+ Rated with the BBB 1,728 Trusted Reviews 4.8 Current Google Rating Best Pick Guarantee Nexstar Network Member Cindy McGinley 5.0 a day ago POKE Parone 5.0 a day ago Judith Thompson 4.0 The Service person was very professional, courteous, and patient as I asked a multitude of questions. 2 days ago XingGuo Zhang 1.0 A guy from Donnelly's installed a Aprilaire bypass humidifier for me. He said he would install a 600 Aprilaire. But instead, he installed a 600M model, which lacked "blower activation" feature. We paid a lot of money for the service. I can't believe the ... Read More... 3 days ago Travis Jablonski 5.0 Matt Bryman of Donnelly's was courteous, efficient, and thorough. I had a small laundry list of plumbing issues that have cropped up over the last few years in my 60-year-old house and Matt was able to address most of them. The sole issue he did not ... Read More... 3 days ago Next Page Find Us 37 W 2nd Street Lansdale, Pennsylvania 19446 License #PA001004 Copyright © 2021 Donnelly's All Rights Reserved. Privacy Policy Call Us (610) 595-5507 Schedule Online Schedule Online Chat with Us