Get matched with top central a/c installers in Dublin, PA

"Andrew replaced our heating and cooling system and went above and beyond. He ran into a lot of faulty wiring from the previous installation and made everything right so we have a safe and functioning unit. He worked long hours to get the job done quickly as well. Thank you Andrew! Totally recommend and will continue to use him and his company."

"Outstanding service and professional installation!!"

"Fast, courteous, professional service. The tech called before showing up, and he even arrived a few minutes early. They follow a system of standardized prices for services. It seemed a bit expensive - the technician was at my house a total of less than 45 minutes to charge the refrigerant in my split AC unit, and the total bill was around $500. That seems a bit high. But the technician also tightened all fittings and checked for any other issues. The AC works great now, so I can't complain. Overall, great experience."

"Easy to work with, great work, great installations, I have not had any issues and did it in a timely manner."

"One of the best contractor experiences we have ever had. Jim called the day before to confirm the appointment. Larry the Plumber was so nice to deal with. He put on she covers to protect my wood floors, worked very neatly and gave us some tips about ongoing maintenance. He did a perfect job. This review us for Petro in central NJ. i was not able to change the company location. We hired them through Amazon."

"A very good team of Technicians. Worked well to complete installation and removal of old system faster than I expected. Cleaned up behind themselves. Would recommend company to others."

"We have a yearly maintenance agreement with them after they installed our air conditioner. They're very efficient. They come when they say they're going to come and do their work. The last time they were here for AC, they did find a problem and fixed it at no charge."

I’m a registered Hvac Contractor with 38 years in the trade. I specialize in Custom Ductwork and design for Central Heating and Air Conditioning systems. We offer the Highest Quality at the Lowest prices.

In 1972, Donnelly’s Cooling, Heating & Plumbing began serving Pennsylvania residents with premier plumbing services and later expanded to add their superior HVAC services. As the area’s top choice for plumbing, heating, and cooling service, we’re proud to offer unmatched professionalism and quality results.\n\nWith same-day and emergency services, our team is always available for your home service needs. Plus, with service for all brands and free estimates, you can trust you’re in excellent hands with our team.

"they showed up on time, professional and courteous .
very thorough and explained the process
would use their services again in the spring
for my central air conditioning
highly recommend them
"