24/7 Emergency Service

Commercial Heating Services in Fairfield, Ohio

Your Local Commercial HVAC Contractor Since 1931

When it comes to keeping your business comfortable, count on the commercial HVAC experts at National Heating & Air Conditioning. Our company has nearly a century of experience serving the heating needs of Fairfield businesses and commercial properties. We’ll ensure your business is equipped with high-quality heating systems so that your employees, customers, and guests are warm and cozy all winter long.

When you need commercial HVAC services in Fairfield, go with National! Call (513) 621-4620 today to schedule heating or AC services.

Heating Systems We Serve

Businesses throughout Fairfield depend on a variety of heating systems to keep warm. At National, our NATE-certified technicians are highly trained in order to work on a wide range of heating systems, including:

  • Commercial heat pumps
  • Commercial boilers
  • Commercial furnaces
  • Commercial packaged units
  • And more

24/7 Commercial Heating Repair

With the freezing temperatures of an Ohio winter, you need your heater to perform reliably. If something is amiss, you can count on National for fast and efficient repairs. We’ll get your furnace, boiler, or heat pump back in excellent shape in no time.

If you notice any of the following, call our team for repairs:

  • Uneven temperatures
  • Insufficient heating
  • Loud sounds
  • Burning smells
  • Inaccurate thermostat readings
  • Unusually high energy bills

If you’re dealing with urgent heating issues, our team is available 24/7 for emergency repairs!

Call National at (513) 621-4620 to schedule commercial furnace or boiler repairs in Fairfield.

Commercial Heater Installation & Replacement

Boiler and pipes of the heating system.

Commercial HVAC equipment is far more complex than residential units, so you need a heating contractor that’s well-versed in these systems. At National, our NATE-certified technicians are all highly trained and experienced in working with commercial heaters. We’ll ensure your new furnace or boiler is properly sized and installed so that your business has a reliable heat source.

Keep your Fairfield business warm with a new heater from National! Request a free estimate for a new heating system installation by calling (513) 621-4620 today.

Heating Maintenance for Fairfield Businesses

Your heater is a large investment, so you want it to last for years to come. Ensure your furnace, boiler, or heat pump is properly taken care of by scheduling heating tune-ups with the National team. Our heating maintenance services are designed to help you get the most out of your heating system. We’ll thoroughly inspect, clean, and tune your system to have it working in the best condition possible.

Benefits of our heating tune-ups include:

  • Longer service life
  • Lower risk of repairs
  • Improved energy efficiency
  • Savings on monthly energy costs
  • And more

Keep your furnace or boiler in the best shape possible by scheduling a tune-up with the National team! Call (513) 621-4620 to get started.

Why Choose National?

Since 1931, National Heating & Air Conditioning has been a top commercial HVAC company in Fairfield and the surrounding areas. We’ve earned a reputation for service excellence, thanks to our unwavering commitment to customer satisfaction. When you choose us as your commercial HVAC contractor, you’ll benefit from our free estimates on installations, NATE-certified technicians, 24/7 emergency service, and 100% satisfaction guarantee.

Call National at (513) 621-4620 or contact us online to schedule commercial heating services in Fairfield, OH.

What To Expect

Discover the Difference

Satisfaction
Guaranteed

Your comfort is our top priority, so we'll work tirelessly to guarantee you're 100% satisfied with our service.

Over 90 Years
Experience

We have been providing HVAC services since 1931, so we have the experience to solve any of your problems.

Trained
Technicians

Our team stays up to date with and continuously trains on all the latest HVAC technologies.

24/7 Emergency
Service

HVAC systems choose the worst times to breakdown, so we're available nights, weekends, and holidays to help!

Free
Estimates

With our free estimates on replacements, you can take the stress out of finding an HVAC contractor.

Convenient
Financing

Costs should never be a barrier to receiving the services you need, so our team offers financing options, subject to approved credit.

Satisfaction Guaranteed

Your comfort is our top priority, so we'll work tirelessly to guarantee you're 100% satisfied with our service.

Over 90 Years Experience

We have been providing HVAC services since 1931, so we have the experience to solve any of your problems.

Trained Technicians

Our team stays up to date with and continuously trains on all the latest HVAC technologies.

24/7 Emergency Service

HVAC systems choose the worst times to breakdown, so we're available nights, weekends, and holidays to help!

Free
Estimates

With our free estimates on replacements, you can take the stress out of finding an HVAC contractor.

Convenient
Financing

Costs should never be a barrier to receiving the services you need, so our team offers financing options, subject to approved credit.

What Our Clients Are Saying

Our Neighbors Are Saying

Great service. Turned out it was only a bad fuse on my new unit, they instilled a few months ago. Very friendly guy and took the time to show me what he was doing, when…

Rob K.

I've been doing business with National for 30+ years. Their technicians are very knowledgeable and professional. The company is top notch.

Junior E.

Gina was a pleasure to work with and was very helpful in recommend specifications that met our application. The pricing was very competitive, and both the quote and scheduled install date were lightning fast!

Robert T.

This was just our semi-annual preventative maintenance and it was done on schedule. Our technician was courteous, friendly and knowledgeable. He wore fresh shoe covers into our house to protect our carpets and was wearing…

Field B.

Chad was an awesome service tech. Did an amazing job. Kept me informed of everything he was doing. Showed me a part that was bad and my furnace that had probably contributed to my electric…

Gina W.