Best Heating & Air Conditioning / HVAC In Norristown

“I had a problem with a clogged pipe; Dave came and did an exceptional job—fast and clean. I would definitely work with them again!!“

“I highly recommend Marty! He arrived promptly, was incredibly friendly, and had a great sense of humor that really brightened my day. Most importantly, he got the job done quickly and efficiently. It's rare to find a professional who is both highly skilled and genuinely a pleasure to have around. I will definitely be calling him for any future plumbing needs!“

“Huge thanks to Alston for repairing my heat pump. He was incredibly professional, punctual, and took the time to explain exactly what went wrong and how he was fixing it. I appreciate his honest and thorough service. Has been my service tech on previous occasions and does an exceptional job! Will definitely ask for him again!“

“Great place and honest service. I would recommend them. At first, I thought their prices were expensive, but after giving them another chance, I found the pricing to be reasonable.“

“Had a water heater break overnight and DiRosato was there same day to replace. Gentleman who answered the phone was able to move some things around to have a tech come out in an emergency/. Great service and great installation“

“We use this vendor often, and they are always on point! Extremely reliable, transparent, and easy to work with. They carry a wide variety of parts, and if there’s ever something you can’t find, they’ll go the extra mile to track it down for you. I’ve never had any issues with their service. Rebecca is our rep and she’s absolutely amazing — shout out to her for always being responsive and helpful! Highly recommend this team.“

“The problem was traced back to a clogged air filter, which they replaced and then took the time to test the unit thoroughly to ensure it functioned correctly. It was reassuring that they explained each step of the process, though it did take a couple of hours due to initial trouble with accessing parts of the portable A/C.“

“We purchase our water softener and filtration equipment through Duff and install it for our customers homes. The products have been great and their team is always easy to work with. We’ve had a great experience working with Duff and appreciate the partnership!“

“These guys are great, they got me the right part and made sure the job got done right!“

“Alex helped us out with replacing our boiler flue and servicing the boiler. Prompt and responsive, fair pricing, and excellent work and communication. Would recommend Alex to anyone.“