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Proudly Serving Greensburg, PA and surrounding areas

When you need reliable heating and cooling services in the Greater Pittsburgh area, Donahue's Heating & Cooling is your trusted partner. Our experienced team of certified HVAC technicians proudly serves homeowners and businesses throughout Westmoreland County and the surrounding communities. Whether you need emergency repairs, routine maintenance, or complete system installations, we’re committed to delivering exceptional service with fast response times and competitive pricing. Each location in our service area receives the same high-quality workmanship and customer care that has made us the region’s most trusted HVAC contractor. Contact us today to schedule your service appointment!

Service Areas

Western PA's Heating & Cooling Experts

Experience piece of mind with
650+ Reviews & 4.9 out of 5 Rating

Certified HVAC Experts
Carrier® Authorized Dealer
Complete HVAC Services
Local & Trusted Since 1962

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Donahue's Heating & Cooling is the most trusted HVAC Contractor in all of the following areas:

Ready to Experience the Donahue’s Difference?

Don’t let another day go by with an uncomfortable home or unreliable HVAC system. For over 60 years, Donahue’s Heating & Cooling has been Greensburg’s trusted choice for expert HVAC solutions, emergency repairs, and comprehensive maintenance services. Our NATE-certified technicians are standing by 24/7 to restore your comfort and peace of mind.

Whether you need immediate emergency service, want to schedule routine maintenance, or are ready to upgrade to a more efficient system, we’re here to help. Call 724-261-3634 now or fill out our contact form to get started. As a Carrier authorized dealer with our own sheet metal fabrication shop, we have the expertise and resources to handle any HVAC challenge.

Over 60 Years of Trusted Service

Customer Reviews

My in-laws were having low air flow with their central air conditioning system and called Donahues to address it. They were immediately put on a wait list, but were seen the next day! Dan came out and did a thorough inspection inside, changed the filter, and then thoroughly checked the...

Victoria B.

Google Review

Dillon was our service tech, and did a great job on both service calls! He first did our furnace maintenance, where he was personable and efficient. He explained that we needed to replace our combustion tank, and quoted us on the spot. His second trip was to replace the tank...

Wendy V.

I have had Donahue’s provide Spring and Fall PM on both my heating and air conditioning units for a number of years. I am very impressed with both Dillon and Zach, who have performed the recent fall and spring PM visits. They were both very knowledgeable and courteous young men...

Ann P.

Donahue’s was amazing to deal with! Huge thank you to Todd the technician who fixed our air conditioner! Very knowledgeable and informative. I would highly recommend Donahue’s!!

Alicia P.

Called to have service as my HVAC Unit wasn’t blowing cold this spring. They got me an appt for 2 days later, and called me a day earlier to let me know a tech was available. It worked for me so Zach came out and replaced a capacitor on my...

Matt G.

I wanted in-ceiling mini splits and Dave Donahue came to my home to create an estimate and he was extremely professional and knowledgeable. The price was reasonable. The job was done promptly and finished earlier than the time frame promised His team was excellent. They were neat and tidy and...

Kelly E.

One coldest days of year and my furnace shutdown. I used Donahue’s for years so I called asap . They had Zack at my house with in a hour and solved my problems. Happy day for me, furnace running perfect again . Excellent tech and office were both kind people...

David L.

Donahue’s service is second to none! My tech, Dillon, was outstanding and very professional! Will definitely use them for future services. A+

Deb R.

Great tech came to house to fix hvac Dillon was his name he explained everything it a way I could understand. He was very friendly and knowledgeable. If I need service again I will definitely be requesting him.

Brandon R.

We could not be happier with the central A/C job that was done in our over 100 year old home. We were so worried about losing valuable space that we held off exploring this. Now we are asking ourselves why we didn’t do it sooner! The whole experience was professional....

Amy M.

I’ve used Donahue’s for a few jobs now, some small and some big, one was a full furnace replacement and I couldn’t be happier with the work they did for me. All their employees have been great, the latest was Rod, he replaced the gas valve on my hot water...

Andrew K.

Just had my a/c get its checkup for the upcoming season and Jeremy from Donahue’s did an excellent job! He went the extra mile to make sure everything was done completely and thoroughly! Just started using Donahue Heating and Cooling and this was my second excellent experience.

Daniel C.

We had Donahue’s clean our out vents and they did a fantastic job. Hunter, Tyler, Zack, and Kyle were all very respectful and were happy to answer any questions we had. I would strongly recommend using Donahue’s Heating & Cooling for your needs.

Anisa B.

First time dealing with Donahue. We received a quote from Mark the same day he came to look at the job (amazing). After meeting with the other companies we contacted, we decided to go with Donahue’s. From estimates to office calls/visit, to the installation crew, we could not have been...

Scott M.

Donahue’s service man was timely, courteous, professional very knowledgeable and answered my questions. He completed a thorough maintenance check of our furnace. I definately recommend Donahue’s Heating & Cooling. I will call them again in the future.

Susan F.

We switched to electric heat in 2022 from oil. A new variable speed air handler was installed by a different vendor, using the 3 zone control system that this vendor had installed in 2004. However, the original zoning controller was not capable of optimally using the capability of the new...

Daniel A.

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Service Areas

Proudly Serving Greensburg, PA and surrounding areas

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Donahue's Heating & Cooling is the most trusted HVAC Contractor in all of the following areas:

Ready to Experience the Donahue’s Difference?

Delmont, PA

New Stanton, PA

Jeanette, PA

Harrison, PA

Lawson Heights, PA

Youngwood, PA