About Us

Keeping Cincinnati Comfortable for More than 80 Years.


National Heating and Air Conditioning is the Cincinnati metro region’s trusted source for heating and cooling equipment, insulation, energy efficiency upgrades and more. For more than 80 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 oil and gas furnaces, boilers, electric heat pumps, geothermal heating systems, air conditioning units, and ventilation equipment. We also offer a suite of “whole-house” home performance services including home energy audits, insulation installation, duct sealing, air sealing, and more. 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.

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 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 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

case-study-IR-1We 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. We offer home energy audits to help homeowners determine the most cost-effective home energy improvements, as well as tune-ups for HVAC equipment to improve efficiency and performance.

Additional energy-saving services include duct sealing, air sealing, attic insulation, wall insulation, and more.

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 equipment or insulation, 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 80 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.

We service the following cities and the surrounding areas: Cincinnati, Loveland, Mason, Montgomery, Indian Hill, Fairfield, Hamilton, Blue Ash, Madeira, Maineville, West Chester, Milford, Lebanon, and Morrow, Ohio.

Ohio License: 15197
Kentucky License: HM01259

Our Service Area

We service the following cities and surrounding areas of Cincinnati, Ohio: Bond Hill, Cincinnati, Covington, Evanston, Finneytown, Idlewood, Norwood, Oakley Square, and Reading. If you live in or near these areas, please give us a call or contact us online for HVAC services today!

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  • Client Testimonials
    This company is always friendly and on time. They work hard and always tell me what they think they need to do before they do it. They clean up well after the job is done.
    Customer, Jenny
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    The information on this website is for informational purposes only; it is deemed accurate but not guaranteed. It does not constitute professional advice. All information is subject to change at any time without notice. Contact us for complete details.