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Types of Boilers We Service and Install

Our comprehensive boiler services encompass various system types, each designed to meet specific heating requirements and property configurations. Conventional boilers, also known as regular or heat-only boilers, work in conjunction with a separate hot water cylinder and cold water storage tank, making them ideal for larger properties with multiple bathrooms and high hot water demand. System boilers incorporate a built-in pump and expansion vessel, eliminating the need for a feed and expansion tank in the loft while still requiring a hot water cylinder for domestic hot water storage.

Combination boilers, increasingly popular in Greensburg, Latrobe, and Irwin, PA homes, provide both heating and hot water directly from the unit without requiring separate water storage tanks. These compact units prove particularly suitable for smaller properties or situations where space comes at a premium. We also service and install commercial boilers ranging from small units serving individual businesses to massive 200-ton industrial chillers that our highly trained technicians expertly maintain. Each boiler type offers distinct advantages, and our comfort consultants carefully assess your specific needs to recommend the most appropriate solution.

Benefits of Modern Boiler Technology

Today’s boiler systems incorporate cutting-edge technology that delivers exceptional performance while reducing environmental impact and operating costs. High-efficiency condensing boilers extract additional heat from exhaust gases that would otherwise escape through the flue, achieving efficiency ratings of up to 98 percent. This remarkable efficiency translates directly into lower fuel bills and reduced carbon emissions, making modern boilers an environmentally responsible choice for conscientious property owners throughout Greensburg, PA and surrounding areas.

Advanced control systems allow precise temperature regulation and scheduling, ensuring optimal comfort while minimizing energy waste. Many modern boilers feature modulating burners that adjust their output based on actual heating demand, rather than simply cycling on and off at full capacity. This intelligent operation reduces wear on components, extends equipment lifespan, and maintains more consistent indoor temperatures. Additionally, smart thermostats and zoning systems enable customized heating schedules for different areas of your property, further enhancing both comfort and efficiency.

Professional Boiler Services We Provide

  • Comprehensive Installation: Our expert team handles complete boiler installations, including system design, equipment selection, piping modifications, and control integration
  • Preventive Maintenance: Regular maintenance services include cleaning heat exchangers, checking safety controls, testing combustion efficiency, and inspecting all system components
  • Emergency Repairs: With 24/7 emergency service availability, we respond quickly to boiler failures, ensuring minimal disruption to your comfort or business operations
  • System Upgrades: We retrofit older systems with modern controls, replace outdated components, and implement efficiency improvements to enhance performance
  • Water Treatment: Proper water chemistry prevents scale buildup and corrosion, extending boiler life and maintaining peak efficiency

Ensuring Long-Term Boiler Performance

Maximizing your boiler investment requires attention to both proper operation and regular maintenance. Annual professional inspections identify potential issues before they develop into costly repairs, while routine cleaning maintains heat transfer efficiency and prevents dangerous carbon monoxide production. Our customer-focused approach means we educate clients about optimal thermostat settings, explain warning signs of developing problems, and provide guidance on when replacement becomes more cost-effective than continued repairs.

Whether you need service for a residential boiler heating your family home or maintenance for complex commercial refrigeration systems, Donahue's Heating & Cooling possesses the expertise and equipment to ensure reliable, efficient operation. Our commitment to delivering the best service possible drives us to stay current with evolving boiler technology, safety regulations, and installation best practices, ensuring every customer receives state-of-the-art solutions tailored to their unique requirements. Contact us today.

Your Comfort is Our Priority

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.

NATE-Certified Technicians Ready to Help
Quality service you can count on!
Three Generations of Excellence
See Why Greensburg Chooses Donahue’s

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Over 60 Years of Trusted Service
Customer Reviews
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.
Google Review
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.
Google Review
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.
Google Review
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.
Google Review
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
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.
Google Review
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.
Google Review
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.
Google Review
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.
Google Review
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.
Google Review
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.
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.
Google Review
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.
Google Review
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.
Google Review
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.
Google Review
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.
Google Review

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