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Dependable & Knowledgeable Your Heating & HVAC Professionals Providing the most cost-effective & energy-saving services in the greater New Orleans area.

Customer Resources

Mandeville HVAC Company Serving St. Tammany Parish & Beyond

Nu-Air Heating & Cooling, LLC offers a broad range of services and customer resources to residential and commercial customers in Mandeville, St. Tammany Parish, and beyond. We have more than two decades of experience to provide the highest quality, most cost effective, and energy saving heating and air conditioning services to local homeowners and businesses.

If you have an HVAC problem, call (985) 288-2445 for a locally owned and operated business with the resources to solve any issue

Informative & Reliable Service

Our comfort specialists are NATE certified technicians with the knowledge and customer resources to accommodate every need and solve virtually any problem. We offer cutting edge new technology, the latest equipment, and proven techniques for repair and maintenance. Our whole team works hard to stay updated on all the latest advances in our industry to deliver unmatched service to our customers.

We take the time to educate our customers and provide the information you need to make the best decisions for your property. To help, we offer a number of online resources. Please click the links below to learn more:

If your system is in need of repair, we will fully explain the problem and repair options. When it is time for new heating or air conditioning equipment, we will assess your needs and help you compare systems with the right size and capacity to keep your home comfortable all year long.

Thank you Edgar!
“He really took his time explaining all of its features and what to expect from him and his service team.”
Elizabeth G.

Our Technicians Service All Top HVAC brands

Don't see your preferred brand listed? Don't fret, we are equipped to service all makes & models!
  • Daikin
  • Trane
  • Carrier
  • Goodman
  • Rheem
  • York
  • Coleman
  • Lennox

Why Choose Nu-Air Heating & Cooling, LLC

  • Cost-Effective & Energy Saving Services

    We provide top-tier HVAC solutions designed to maximize efficiency, lower energy bills, and keep your home comfortable year-round.

  • NATE-Certified Technicians
    Our highly trained and certified professionals ensure expert service, precise installations, and reliable repairs you can trust.
  • Your Satisfaction is Guaranteed

    We stand by our work, offering a commitment to quality and customer satisfaction with every service we provide.

  • Focused on Improving Your Indoor Comfort

    From air quality solutions to perfectly tuned climate control, we prioritize your home’s comfort and livability.

  • Emergency Services Available 24/7

    Heating or cooling issue? We’re here for you anytime, day or night, to restore comfort when you need it most.

  • Over 25 Years of Experience
    With decades of expertise, we bring proven knowledge, reliable solutions, and a track record of excellence to every job.
What Makes Us Different
Learn more about the technicians behind the name.

Top Notch Products & Services

We offer a full range of heating and air conditioning services to cover all your home comfort needs. When the time comes for a new heater or air conditioner, we offer quality systems from the leading brands in the industry, expert installation, and reliable service.

Our comfort specialists are equipped to meet all your needs for:

A broken heating or air conditioning system is often urgent. Our comfort specialists have the training and tools necessary to quickly diagnose the problem and restore the comfort of your home or business. When the problem just can’t wait, call for emergency service 24 hours a day, 7 days a week.

Please call (985) 288-2445 for more information or to schedule service

Contact Nu-Air Today!

Get a Free Estimate

Fill out the form below, or call us at (985) 288-2445 to get started.

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  • What Makes Us Different
    Learn more about the technicians behind the name.
  • Contact Us Today
    Send us a message or give us a call to see how we can help.
  • Heating & Cooling Services
    See how our local HVAC technicians can help you.