Energy Efficiency

We offer a wide range of heating & cooling products including the latest in energy efficient HVAC equipment, as well as insulation and home performance services.


National Heating & Air Conditioning has been keeping Cincinnati homeowners comfortable in their homes for more than 80 years!


"Whole house" home performance services designed to achieve optimal indoor air quality while improving energy efficiency and comfort.

For over 80 years, National Heating & Air Conditioning has worked for you!

National Heating and Air Conditioning has been keeping the Cincinnati, Ohio region comfortable for more than 80 years. Whether you're looking for an oil or gas furnace, a boiler, an electric heat pump, a geothermal heating system, air conditioning, ventilation, or insulation and energy efficiency services, National can help.

BPI goldstar certification

One of the Cincinnati region's leading heating and air conditioning contractors, we offer great prices on the best oil or gas furnaces, boilers, electric heat pumps, and other heating and cooling equipment from Bryant. This allows us to bring the best products in the HVAC industry to your home.

We offer heating and cooling installation, service, maintenance, and repairs, and have locations in Loveland and Cincinnati.

Recent Blog Articles

Heating Repair Cincinnati

Summer in Cincinnati was no doubt beautiful this year, but there’s no escaping the fact that the chilly weather is finally here. Unfortunately, it’s only going to get cooler, which means now...

Heating Repair Cincinnati

Cincinnati is one of Ohio’s most prominent cities, and it stands to reason why so many people decide to move here each year. Even though winters in Cincinnati can occasionally be mild, there...

Client Testimonials

I was told by my previous contractor about the possible cost of repairing my 12-year old heat pump and decided a new one was desirable. They gave me a quote and I contacted two additional contractors including National. The rep of National proceeded to confirm the likely repairs needed...

Pete, Cincinnati

Featured Case Study