24/7 Emergency Service

About Us

Keeping Cincinnati Comfortable for More than 90 Years.

National Heating and Air Conditioning is the Cincinnati metro region’s trusted source for heating and cooling equipment, energy efficiency upgrades and more. For more than 90 years, we’ve kept Cincinnati homeowners warm and comfortable in their homes, and continue to do so with 21st-century technologies including the latest in building science diagnostics and our recently added “connected home” services.

National Heating and Air Conditioning offers comprehensive heating and air conditioning services including installation, repair and maintenance services for gas furnaces, boilers, electric heat pumps, geothermal heating systems, air conditioning units, and ventilation equipment.

Whatever the job, we work hard to develop our expertise in matters pertaining to home comfort and energy efficiency; and to offer our customers the best value, the latest energy-efficient products, and a customer experience that is hard to beat.

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Customer Service: Our #1 Priority

You, our customers, are our first priority. We understand every home is unique and has specialized heating and cooling needs. We work to make sure we understand your home and provide what you need and want. Otherwise, we are not doing our job. Our job, and our primary goal, is to meet and exceed your expectations and requirements for home comfort.

Bryant Products: The Best in the Business

We offer great prices on the best 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 installation, service, maintenance, and repairs of all Bryant heating and cooling products.

We will also provide you with all of the most recent deals and promotions from Bryant, the nation’s leader in commercial and residential heating and cooling equipment.

A Commitment to Energy Efficiency

We believe that people should be able to stay comfortable in their homes without breaking the bank. Consequently, we advocate improving energy efficiency in buildings through a variety of means, including tune-ups for HVAC equipment to improve efficiency and performance.

Cincinnati’s Comfort Specialists

Whether you’re looking for a trusted advisor to help you choose the best heating and cooling equipment for your home or the best factory-trained technicians to install a new HVAC system, the team at National has you covered. We hold certifications from the nation’s leading building performance organizations and have more BPI certified professionals on staff than any other HVAC contractor in the Cincinnati region.

Our reputation for fast, safe, clean, efficient service, installation, and repair has developed over 90 years, and we stay true to those standards today. If you’re looking to improve the comfort and energy efficiency of your residential or commercial building in the Cincinnati region, we’re here to help.

Ohio License: 15197
Kentucky License: HM01259

Our Service Area

We service the following cities and the surrounding areas: Cincinnati, Loveland, Mason, Montgomery, Indian Hill, Fairfield, Hamilton, Blue Ash, Madeira, Maineville, West Chester, Milford,  Ohio, as well as all Northern Kentucky communities. If you live in or near these areas, please give us a call or contact us online for HVAC services today.

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.