We are National Furnace

At National Furnace Heating and Air Conditioning LLC, we specialize in keeping your home comfortable year-round. Our expertise covers everything from oil and gas heating systems to state-of-the-art air conditioning units.


NationalFurnace — Service Meets Excellence.

National Furnace Heating and Air Conditioning LLC specializes in providing a wide range of heating and air conditioning services. Our expertise encompasses various heating systems, including oil, gas, electric boilers, and furnaces, as well as air conditioning systems. Our company is deeply embedded in the Lackawanna County community in Pennsylvania. We are committed to delivering high-quality and efficient services in heating and air conditioning installation, maintenance, and repair. We prioritize customer satisfaction through professional and reliable service. We operate from 7 am to 5 pm for regular service hours and provide emergency services after 5 pm and on weekends. Our team is fully licensed and insured, and our full-service vans are equipped to handle all your heating and cooling needs.


Leading company in Heating and Air Conditioning Solutions


Working with us

Experienced in Diverse Systems

Oil, Gas, Propane, and Electric solutions. Full-Service Vans: Equipped with parts for quick and efficient repairs. Fully Licensed & Insured: Professional service with peace of mind.

Our team

Our Big Community

Meet the dedicated professionals at National Furnace Heating and Air Conditioning LLC. Our team’s commitment to excellence and customer satisfaction is the cornerstone of our business. With decades of combined experience, we bring expertise, dedication, and a personal touch to every project.


Mark Sorrenti

Founder & Lead Technician

With over 25 years in the heating and cooling industry, Mark's journey began with a local oil company. His passion and expertise led him to take over National Furnace in 1990. Mark's leadership and technical skills set the high standards of service we're known for.


Samuel Johnson

Customer Service Manager

Samuel has been with us for 10 years, ensuring that every customer receives the attention and care they deserve. His commitment to service excellence makes him an invaluable asset to our team.


Mike Roberts

HVAC Specialist

Mike, a certified HVAC technician, has been part of our team for 8 years. His thorough understanding of heating and air conditioning systems is instrumental in delivering quality installations and repairs.


Emmanuel Lopez

Installation & Maintenance Technician

Manu joined our team 5 years ago and has since become a key player in our installation and maintenance services. His attention to detail and dedication to getting the job done right the first time is what our customers appreciate.


"I own several rental properties and decided to upgrade all of them with new air conditioning units. National Furnace handled the installations in all three houses. Each job was completed flawlessly. The team was punctual, courteous, and incredibly efficient. They walked me through each installation, ensuring everything met my expectations. The comfort of my tenants was my top priority, and National Furnace delivered spectacularly. Highly recommend their services for anyone looking to enhance multiple properties."
Emily R.
Scranton, PA
"We recently upgraded our home's heating system, and National Furnace provided us with top-of-the-line products. Their selection of Peerless and Crown boilers offered exactly what we needed. The entire process, from selection to installation, was handled with utmost professionalism. Their team's knowledge and advice were invaluable, making sure we got the best system for our needs. The efficiency and quality of our new heating system have exceeded our expectations. Kudos to National Furnace for their exceptional products and service."
Linda and Michael S.
Clarks Summit, PA
"When our boiler broke down in the dead of winter, it was a nightmare situation. I called National Furnace Heating and Air Conditioning in a panic, and they were nothing short of lifesavers. Their emergency team arrived quickly, and their expertise was evident. They fixed the boiler efficiently, ensuring our home was warm and safe again. Their prompt and professional service during this emergency was beyond what we expected. A heartfelt thank you to the team at National Furnace!"
Johnathan W.
Dunmore, PA
Our clients

We Are NationalFurnace

Fully Licensed & Insured: Professional service with peace of mind!