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

Our Service Areas

Maintaining a comfortable living or work space in the Cincinnati area can prove quite challenging. However, when you turn to the professionals at National Heating and Air Conditioning you can rest easy! Our team of experienced HVAC contractors offers up exemplary service and superior comfort solutions. Whether you’re looking for a heating, cooling, or geothermal heat pump company in the Greater Cincinnati area, we have you covered.

Trust the team at National for all of the following services, and more:

Are you a home or business owner in Cincinnati, OH or the surrounding communities in Hamilton, Clermont, Warren, Butler, Boone, Kenton, or Campbell  Counties? Call (513) 621-4620 or contact us online now! 

Why Choose Us for Geothermal Heating & Cooling in Cincinnati?

For over 90 years the team at National Heating and Air Conditioning has been proud to serve the comfort needs of both home and business owners. We strive to set our team apart, not only for our sake, but for the sake of our clients. Every service we offer or technology we pursue is something we’ve put the time in to master so that we can provide our clients with unparalleled quality that they can depend on.

When you call on National for your HVAC needs, you can expect:

  • A superior process completely customized to your unique situation, budget, and needs
  • Experienced, knowledgeable, friendly, and extensively trained HVAC contractors who will treat you like family
  • A consultative approach that puts you and your preferences at the forefront
  • Cutting-edge technology aimed at saving you money while improving comfort
  • Robust financing options that will ease any financial burden. You should never have to make the choice between physical and financial comfort
  • Our unique “100% Right, or 100% Free” guarantee!

If you need heating, cooling, or heat pump services in Cincinnati, Ohio call us today or contact our team online for a consultation! 

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…

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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…

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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…

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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…

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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.