Heating & Air Conditioning / HVAC near Clifton Heights

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“10/10 recommend Nittany Mechanical for all your plumbing & heating needs! We experienced a leak and Anthony and Joe came to assess the situation quickly. Our bathroom was back to normal in no time. They are reliable, honest and efficient. Great work!“

“Had a small leak in main bathroom.
Unsure exactly where leak was occurring. Mike was patient and assessed until he found the source. New faucet was placed with any issues. Very professional and polite.“

“Max was friendly and knowledgeable about system. Explained all the inspections he performed and answered all questions.“

“Good diagnosis and communication. Listened to our concerns. Polite and professional“

“Technician was on time and awesome to work with. Gave me tips on keeping my heater cleaned so service of unit will go much soother. I highly recommend this company.“

“Heater died. Called, Pat came out within the hour, called me 15 mins after he left with a highly competitive quote after another companies attempted price gouging. Everyone was professional, courteous and Pat even came back when they started the install today. I cannot recommend this company enough! They’ve earned the rest of my business“

“Scott showed up on time for my appointed time. He was very polite, and informative. I areed with his recommendations for repair. He explained to me what he was doing to the toilet. And then we tested everything no problems. Thanks Scott, for the added information.“

“Great choice for installing our new boiler for our house in Lansdowne. Derek and his crew were amazing. Reliable company.“

“I recently contacted J & M Heating and Cooling after my water heater started to malfunction. Phil answered my call and came to my home the same morning to assess the situation. He educated me on the type of heater, provided feedback on available brands, and gave me a clear estimate for parts and labor. Phil was knowledgeable, prompt, and friendly. I had a great experience with this business. I truly appreciate the quick response to my call for help. Thank you!“

“We have been working with Gen 3 for our HVAC needs for a while now but recently we also brought them in for electrical needs to replace bathroom exhausts and install surge protectors. Our electrical technician was Will. He comes with 20 years of experience and is a real expert. He detected and remedied additional issues that we were unaware of but that were critical to remedy. For our HVAC needs our technician that we always request is Robbie. He is just so thorough and thrives for perfection! We have been happy with Gen3 and not planning on going anywhere else.“

“Had chimney damage due to squirrels - holes in mortar, cap, liner, nest in pipe to furnace. Alliance came right out and gave a thorough inspection before quoting a price. Price was reasonable, realistic. Chuck, the owner, was great to work with. And a real thank you to the guy who did the estimate and repairs, Michael. Very pleasant and easy to talk to. And did a fantastic job. He's great. Highly recommend. Thank you Alliance.“

“I was very pleased with the technician and the job he performed. I was extremely pleased with his early arrival.“

“Technician: Dave Esterly was a straight forward and honest sounding man. I would recommend this company just by my first impression with Dave.“

“Professional, on time, and honest company. Went above and beyond to help us when our AC went out during a heatwave. Will be using them exclusively for any HVAC needs in the future!“

“Dormans Heating and Air Cooling has been our go-to for HVAC repair for decades now. Their prices are reasonable and their technicians are always prompt and kind. We will continue to use again and again.“

“Always fast and reliable! Brendan is always super helpful in explaining the problem and able to provide a solution .“

“Just had my +10 year old water heater replaced this past Friday by G.J. Stimmler and could not be more pleased with their work. It was an upgrade from a 50 gallon to 65 so required some plumbing and piping work, all of which was done neatly and they were in and out in around 3 hours. Would not hesitate to recommend them.“

“We had a gas line from an old gas fireplace that we needed closed off. Boss was extremely responsive and came the same day. Great to work with.“

“9/24/2025
Fantastic quick service especially during an Emergency.

We highly recommend Roger Ross Plumbing!?

JD & Sebastian were very easy to talk to and they took the time to answer all of my questions. I'm so glad my neighbor referred me to them.

I will definitely tell my family and friends about Roger Ross Plumbing & Heating.“

“These guys helped me install a range hood and did it in a way that hid over 3 feet of duct work. Professional, reliable, and fast. Definitely recommend!“

“After 30 years our furnace decided to go kaput. Had a very good experience with Toran HVAC who removed the old one, installed new, and provided worthwhile information. They were friendly, courteous, and thorough. Highly recommended.“

“As always, John Luke Plumbing delivers top notch service with a smile. Our technician today, Mike, arrived promptly on time, immediately diagnosed the problem and quickly made the needed repair with a smile. At the same time, he guided me through the Kohler website to find a needed replacement part for kitchen faucet.
John and his team have taken care of our plumbing needs for 30 years, professional, knowledgable, friendly. Highly recommend.“

“My AC repair was fast and affordable. The house is cool again, and we’re so happy with the service!“

“We had a few problems getting the project started. But once we did it went smoothly they were very productive and professional. They were also very neat and clean and there workmanship was outstanding .When the job was completed they programmed the new thermostat after we downloaded the app . And explained how to work it . I have know problem recommending O’Brian Heating and Air Conditioning job well done .“

“I’m in the middle of a home remodeling project and needed urgent help with new HVAC ductwork and a gas line to keep the project moving. Kevin was detailed and accurate in building the project scope exactly the way I wanted it, and squeezed in the work within a day of our conversation. Tim showed up exactly as scheduled, executed the installation perfectly, and even offered a few tips and additional support for other aspects of the remodel.
Although this was my first time working with Walsh brothers, they treated my needs like family, with a sense of urgency and attention to detail that are so hard to come by! I couldn’t be happier. 5 stars isn’t enough!“