7:30am-5pm Monday-Friday | 4300 Creek Road
Blue Ash, Ohio 45241
call us (513) 621-4620

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.

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

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, 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 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.

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.

See What People Are Saying About Us

"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."

Jenny, Cincinnati

"Keith, Dave, and Randy arrived on time. They were very thorough with explaining all of our new equipment. My family and I could not be mored pleased with National Heating and Air and their employees. I am a very happy..."

Erin, Cincinnati

"Sales and installation was on time, thorough, completed on time and did a quality job at a very reasonable price. Two weeks after we are completely satisfied."

James H., Cincinnati

"This company was wonderful! They even called before they came to ask if they could bring me anything!!! The technician was very thorough and very courteous. I will use them as my heating and air conditioning company loyally. In fact,..."

Customer, Mainville

"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..."

Pete, Cincinnati

"They do boilers as well and I think they do a great job.  I’ve had other people come out to do the work and they settled with it, but it didn’t work very well... I had National Heating & Air..."

Carol, Cincinnati

"National Heating and Air Conditioning were excellent. They arrived within 30 minutes of request, very professional, courteous and thorough. The job was completed on time too."

James, Cincinnati

"The installation team arrived on time, installed the heat pump and blowers in an efficient and timely manner.  They took care not to soil any carpets etc. and completed the job in a day as scheduled.  Totally satisfied with this.."

Peter, Cincinnati

"Their technician Dave was knowledgable, professional, and friendly - and arrived within 30 minutes. Scott's analysis was on target and Dave was able to fix and service my unit in about 45 mins. I would recommend National without hesitation. Thanks..."

Miguel, Cincinnati

"Steve, sales very knowledgeable and friendly, took the time to sell us a new unit. Felt we were buying unit for our house. National showed up next week and installed in a day. Very professional, curious and timely. Absolutely recommended!"

Justin, Cincinnati

"Keith was on time & finished the job 1 and half hour earlier than expected. Worked hard & cleaned up after he was done. Very polite & very professional. Did a good job."

Karen & Randy, Cincinnati
The National Difference: Longest running Bryant dealer in Cincinnati

What Temperature Should I Set on My Thermostat?

The ideal temperature to set on your thermostat will vary by season. In the summer, it's recommended that you set your thermostat between 70˚ and 75˚ while you're at home. When you're away from home, setting the thermostat nearer to 80˚ can save energy, which will save you money on…

read more

What Size HVAC System Do I Need?

The best size for your new HVAC system will depend on a number of factors, like: The size and layout of your home The number of windows and doors your home has The cooling load required to meet your comfort needs The best way to ensure you select a perfectly…

read more

How Long Does An Air Conditioner Last?

The lifespan of an AC system will depend on various factors, like: The type, brand, and model of the system you have Whether the system was installed properly How frequently it's used How often it receives maintenance service On average, air conditioners can last about 10 to 15 years. The…

read more

How Often Should I Schedule AC Maintenance?

We recommend air conditioner maintenance service at least twice a year, once before you turn your system on for spring or summer and again before you shut your system down in fall or winter. If anyone in your family has respiratory issues or a compromised immune system, more frequent AC…

read more
Affiliates & Certifications:
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.