24/7 Emergency Service

National Heating and Air Conditioning is here to help with 24/7 emergency HVAC services. Call us today at (513) 621-4620 if you have an urgent issue in the Greater Cincinnati area! Whether your heat won’t come on during a cold snap or you’re struggling with no AC in the summer, our expert HVAC professionals are available day or night.

Indoor Air Quality Services in Cincinnati & Blue Ash, OH

white carbon monoxide detector unitNational Heating and Air Conditioning provides expert clean air solutions for Cincinnati residents. Our indoor air quality services are designed to improve home health and comfort by eliminating unseen pollutants, allergens, and harmful contaminants. Count on us for everything from carbon monoxide detectors to air handlers.

With over 90 years of home service experience, you can trust our NATE-certified technicians to enhance your HVAC system’s performance and overall air quality.

Breathe easier with National Heating and Air Conditioning’s expert indoor air quality services. Contact us to learn more!

Do You Need an Air Purifier?

If your indoor air is filled with dust, pet dander, or other pollutants, an air purifier can help clean the air, relieve health symptoms, neutralize odors, and improve overall air quality.

Signs you need an air purifier include:

  • Living in an older home: If your home has outdated surfaces that might be toxic, a HEPA filter with activated carbon can help eliminate harmful particles from the air.
  • Smoking in the household: If someone in your home smokes or you’re having trouble with sinus issues affecting your sleep, an air purifier can significantly improve your respiratory health.
  • Pet allergies: If you share your home with a pet and struggle with allergens, an ionizer can help by causing dust and dander to settle, making symptoms more manageable.
  • Symptoms of chemical exposure: If you experience headaches, throat discomfort, rashes, or nausea, it could be a sign of exposure to volatile chemicals. While addressing the root cause is important, an air purifier can act as an effective secondary measure.

UV Treatment

If you’re experiencing coughing, wheezing, eye itching, and a sore throat, it might be time to address your discomfort. UV light can destroy organic impurities like bacteria and mold, so it’s ideal for those suffering from the symptoms of black mold exposure. UV purifiers can neutralize odorous particles like cigarette smoke and urine by removing the cause.

UV-C light purifiers are a little different from the norm. They rely on short-wave light to render pathogens inactive. There are few better options for eliminating germ exposure. Ultraviolet light keeps viruses and bacteria from spreading, so those winter colds and sniffles should decline.

Humidifiers & Dehumidifiers

Balancing indoor humidity enhances comfort and safety. Maintaining humidity levels between 30% and 50% is essential for a healthy home environment. Our humidifier and dehumidifier services help ensure your home maintains the ideal moisture level, protecting your health and property.

How do they help?

  • Whole-home humidifiers: Ideal for low humidity or dry winter months, they keep airways moist, potentially reducing respiratory issues and colds, and protect wooden furniture and flooring from drying out and cracking.
  • Whole-home dehumidifiers: Essential for humid environments, they can prevent mold growth, reduce musty odors, and protect your home’s structure and belongings from damage caused by excess moisture.

These devices work with your HVAC system to create a comfortable and healthy indoor environment.

Smart Home Thermostat Installation

Our smart home thermostat installation process starts with a detailed assessment of your current HVAC system to ensure compatibility. We handle the entire process, from removing your old thermostat to setting up and configuring your new smart system.

Upgrade to a smart home thermostat and take control of your indoor climate with ease. It helps you:

  • Set personalized schedules to match your daily routine
  • Adjust settings from anywhere using your smartphone
  • Save on energy costs by optimizing heating and cooling
  • Improve indoor air quality by working seamlessly with your HVAC system
  • Manage temperature and humidity levels effectively

Why Choose Us?

Since 1931, National Heating and Air Conditioning has provided top-notch service for all brands, supported by our 100% satisfaction guarantee. With our extensive expertise and commitment to excellence, you can rely on us for reliable, efficient solutions for your indoor air quality needs. We also offer free estimates on replacements, financing options, and special offers to ensure you get the best value.

Make your home a more comfortable space. Contact us to schedule services in Cincinnati or Blue Ash, OH, today!

financing Image

Tax Credits and Price Match

Find Out Your Savings Options
financing Image
Found a better price? We'll meet or beat it!

Price Match guarantee

What To Expect Discover the National 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!

Upfront, Honest Pricing

We offer free estimates and price matching on all major equipment purchases. We’ll match any competitor's price as long as the equipment is an “apples-to-apples” comparison.

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!

Upfront, Honest Pricing

We offer free estimates and price matching on all major equipment purchases. We’ll match any competitor's price as long as the equipment is an “apples-to-apples” comparison.

Convenient Financing

Costs should never be a barrier to receiving the services you need, so our team offers financing options, subject to approved credit.

Our Reviews

What Our Clients Are Saying

Brandon of National Heating did an excellent job servicing my AC. He is very thorough, knowledgeable, and professional. He discovered that the low outside temperature sensor had not been set up on my Evolution Connex Control and took care of it. I appreciated his top-notch service!

Thomas S.

Great company that I trust. Very thorough. I just had my air conditioner annual service. I used Help in the past. They always tried to upsell every opportunity they had. National Heating and A/C is the real deal from booking the appointment to the actual work. Every person I have dealt with is kind, knowledgeable, and…

Paul M.

I can highly recommend National (previously Nelson Comfort) Heating and Air especially if Sanjay is the company representative. He was beyond good in that he completely cleaned the outside unit and was very thorough with the ac equipment inside the house. He even destroyed a wasp nest that I had not noticed. Five stars for this…

Susan S.

Excellent experience all around. Communication from the company was timely and complete. My service technician Chad Wilson was very knowledgeable, efficient and helpful. I had a lot of questions, having just moved into a house with systems that were unfamiliar to me (geothermal, radiant heat). Chad answered all my questions and spent extra time helping me…

Mary C.

My family has been using this company for years. They've always provided us with honest feedback on pricing for repairs and maintenance. This means a lot to a family on a tight budget. We never feel like we are charged for unnecessary items. All charges are explained and examined in great detail before being followed through.…

Megan K.