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Gas Furnace Services in Lansdale, PA

Technician Trying To Fix the Problem with the Residential Heating Equipment.

If you’re a Pennsylvania homeowner, there are two things you need to stay warm this winter: a reliable gas furnace and a team you can trust to keep it running. At Donnelly’s Cooling, Heating & Plumbing, we’ve provided trusted heating solutions to Lansdale, PA, and the Greater Philadelphia area since 1972. From expert installations to repairs and maintenance, our highly trained technicians deliver exceptional service.

When you need gas furnace services, rely on Donnelly’s Cooling, Heating & Plumbing. Contact us online today to schedule an appointment.

Gas Furnace Installation

When it comes to installing or replacing a gas furnace, expertise is non-negotiable. The Donnelly’s Cooling, Heating & Plumbing team specializes in gas furnace installations to ensure your home’s safety and comfort. We’ll guide you through the entire process, from selecting the right furnace for your home to the final setup. We adhere to the highest industry standards, meaning your home is in good hands.

Benefits of Gas Furnaces

Gas furnaces are a popular choice for homeowners for a few reasons, including:

  • Energy efficiency: Modern gas furnaces offer high AFUE ratings, which can lower energy bills.
  • Cost-effective heating: Natural gas is generally more affordable than other heating fuels, making it a budget-friendly option.
  • Reliability: Gas furnaces heat your home quickly, ensuring comfort even on the coldest days.
  • Longevity: With proper maintenance, gas furnaces can last for decades.

Gas Furnace Repairs

A malfunctioning furnace can disrupt your comfort and safety, but luckily, our repair team can help. We can diagnose and fix furnace issues promptly and effectively to restore your home’s comfort in no time.

3 Signs You Need Gas Furnace Repair

  1. Strange noises: Banging, whistling, or squealing sounds often indicate mechanical issues.
  2. Uneven heating: If some rooms feel colder than others, your furnace may need repairs.
  3. Unusual odors: Smelling gas or burning odors can signal a serious problem that requires immediate attention.

Gas Furnace Maintenance

Routine maintenance is essential to keep your gas furnace running efficiently. Our comprehensive maintenance services include thorough inspections, cleaning, and performance checks to catch minor issues before they become major problems.

With regular tune-ups from Donnelly’s Cooling, Heating & Plumbing, you can extend the life of your furnace and maintain peak energy efficiency.

Choose Donnelly’s Cooling, Heating & Plumbing for Gas Furnace Services in Lansdale, PA

For over 50 years, homeowners in Lansdale and the Greater Philadelphia area have trusted Donnelly’s Cooling, Heating & Plumbing for all their heating needs. Our customer-first service approach makes us the top choice for gas furnace installation, repair, and maintenance.

Trust the Donnelly’s Cooling, Heating & Plumbing team for all your furnace needs. Schedule your appointment today.

Frequently Asked Questions


We recommend scheduling a maintenance visit once a year, ideally before winter begins.

The size of your furnace depends on your home’s square footage, insulation, and heating needs. Our technicians can help you determine the perfect fit.

Regular maintenance, changing air filters, and sealing air leaks in your home can all improve furnace efficiency.
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Our Reviews

See What Your Neighbors Are Saying

We were extremely satisfied with the service provided by Donnelly’s. From start to finish, they were extremely professional and kept us informed every step of the way. Our technician, Mike Wilson, was fantastic. He was very knowledgeable and courteous. We were very happy with the project…

Anthony M.

Anthony M.

Donnelly’s Heating, Cooling & Plumbing provided excellent service for our home. Domingo C. was very knowledgeable and answered all of my questions (and there were many!). We ended up with an issue, and he stayed until it could be resolved. Jake H. and his skilled team…

Jill C.

Jill C.

Can’t say enough about how great my water heater replacement experience was. Service tech, Joe was the best; Knowledgeable, professional, and kind - he did such a great job. I highly recommend contacting Donnelly’s for your plumbing needs.

Kristen T.

Kristen T.

All around good experience for the installation of a combi boiler. The sales process was good and they were willing to negotiate which was appreciated. I set up the install two weeks out at the time of the sale and they arrived on time today to…

Todd A.

Todd A.

Our whole experience with Donnelly's was spectacular. We really appreciated the honesty and clarity throughout the whole process. When they came out for a quote we felt like all of our questions were answered and their proposal gave us exactly what we needed at a very…

Racheal B.

Racheal B.

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What To Expect

Discover the Donnelly’s Difference

​Professional Services​

​We show up on time, keep things clean, and listen to what you need. We treat you and your home with the respect it deserves.

Service for All Brands

​We can work on all makes and models of HVAC and plumbing equipment.​

Trustworthy

​You can count on us to be honest and always do what we say. We communicate clearly, provide our guarantees & warranties in writing, and ensure you understand everything we're doing in your home.​

Experienced Technicians​​

We excel at solving problems with years of experience behind us. We look at today's challenges and future needs to create the best customized solutions.​

Licensed & Insured

​Our technicians are licensed, insured, and background-checked for your peace of mind.​

​Professional Services​

​We show up on time, keep things clean, and listen to what you need. We treat you and your home with the respect it deserves.

Service for All Brands

​We can work on all makes and models of HVAC and plumbing equipment.​

Trustworthy

​You can count on us to be honest and always do what we say. We communicate clearly, provide our guarantees & warranties in writing, and ensure you understand everything we're doing in your home.​

Experienced Technicians​​

We excel at solving problems with years of experience behind us. We look at today's challenges and future needs to create the best customized solutions.​

Licensed & Insured

​Our technicians are licensed, insured, and background-checked for your peace of mind.​