24/7 Emergency Service

Heating & Air Conditioning in Hamilton, OH

Bryant brand heat pump on the side of a brick house, next to bushes.Are you ready to maintain a comfortable home during the heat waves and cold snaps throughout the year? Make sure your HVAC system is ready with help from National Heating and Air Conditioning.

Our expert HVAC technicians can get to the bottom of any HVAC problem and provide a solution. We work hard to get every client’s system working like new. Countless satisfied customers know we’re the team for the job.

Enjoy a comfortable home any day of the year. Call (513) 621-4620 today to schedule HVAC services in Hamilton.

Air Conditioning

The heat can hit hard in Hamilton, and you need an air conditioner that can keep up. Rely on National Heating and Air to service your central AC, heat pump, or ductless mini-splits.

We offer:

Keep your cool with AC services from National Heating and Air. Schedule service today by calling (513) 621-4620.

Heating Services

Staying warm can be tough without a good heating system. Luckily, National Heating and Air is here to help. We provide services for boilers, furnaces, and heat pumps.

Depend on our team when you need:

  • Heater installation: Rely on us to remove your old heater and install a new one when you need it.
  • Heater repair: Trust our team to get to the root of your heating issues and resolve them efficiently.
  • Heater maintenance: Count on us to perform an annual tune-up on your heating system.
Schedule Your Service Today!

Indoor Air Quality

Clean air should be a priority for every homeowner. Count on National Heating and Air for indoor air quality services for your Hamilton-area home. We install air purifiers and UV light systems that clean your air, removing dust, allergens, and harmful contaminants.

Make sure you’re breathing clean air every day. Call (513) 621-4620 today to schedule indoor air quality services in Hamilton.

Why Choose Us?

For over 90 years, National Heating and Air has delivered top-tier HVAC services in Hamilton and beyond. Our NATE-certified technicians service all brands, offer 24/7 emergency services, and offer 100% satisfaction guaranteed.

Look to us for upfront pricing, financing, specials, and more.

Discover the National Difference — request HVAC services in Hamilton by calling (513) 621-4620.

FAQs

The best thing for spring allergies is to install proper air purifiers and cleaners in your home. These units will remove as much pollen as possible, delivering clean air to every room.

A leaking boiler is a serious issue for your heating and plumbing. If you notice a leak, turn off the system, dry up as much water as possible, and call us for repairs.

If you struggle to cool your entire home, your AC may need more coolant, the air ducts may be damaged, or your blower motor may be failing. Our team can inspect the system, find the cause, and offer a solution.

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.