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  • Better Business Bureau Accredited Badge


Veteran Owned and Operated Residential & Commercial HVAC in Saint Tammany Parish & Beyond

When heating and cooling problems occur at your home or place of business, you need a dependable Mandeville HVAC technician who can fix your issues on the spot. NU-Air Heating & Cooling, LLC is the company to do just that. We’re licensed and insured to provide you with the high-quality, custom-tailored services you deserve. With 20+ years of experience in the industry, our founder’s love for direct customer interaction was the spark that fueled the launch of NU-Air.

Setting the Standard for Industry Excellence

Our technicians are NATE and Trane Variable Speed certified. That means our trained eyes can immediately distinguish excellent work from the bad. From local businesses and universities to apartment complexes and government buildings, we’ve done it all. You won’t want to hire another HVAC technician once you’ve enlisted our services! Because of the quality of service we provide, our customers end up breathing fresh breaths of air like never before—both literally and figuratively.

Have an AC or heating issue?
Call (985) 288-2445 today. We’ll find the best solution for your needs.

What You Get With NU-Air:

  • 20+ Years of Experience
  • NATE-Certified Technicians
  • 24/7 Emergency Services
  • Free Estimates on Replacements
  • Your Guaranteed Satisfaction
  • Excellent Workmanship

Our Services

You Can Count on Our Quality

Your needs are our priority. We provide many heating and air conditioning services in Mandeville, including AC repairs and heater installations. After-hour emergency services are always available! When you need something fixed, we’ll be there ASAP. We have the skills needed to repair and install any HVAC system, and we can service all makes and models. Need a replacement? We’ll give you a free in-person estimate.

Whether you need regular residential heating and cooling services or need light commercial HVAC work, our team is ready to get to work on your behalf. Just give us a call today to find out how we can assist you with your heating, cooling, or ventilation needs!

  • Lennox
  • Colman
  • York
  • Trane
  • Rheem
  • Carrier
  • Goodman

What Our Customers Are Saying

  • “The crew was polite, clean and well presented. ”

  • “May the forth be with you.”

    Mark W.
  • “I highly recommend this HVAC contractor.”

  • “Customer for life...thank you.”

    Dana H.
  • “Have used other services and this one is far above the rest”

    Bea D.
  • “Great service, lowest price and easy to work with.”

    Keith D.
  • “I tried 5 different HVAC contractors over 24 years in this house but in the future I will call Edgar Mejia first.”

  • “Professional and timely!”

  • “I love their hassle free process. ”

  • “I have stuck with him as a loyal repeat customer.”

  • “A master of his craft.”

    Donna C.
  • “I would highly recommend Nu-Air!”

    Kelly H.
  • “They are reliable, the work was done when promised and they cleaned up the work area.”

  • “I would definitely recommend Edgar and his company to friends and family.”

  • “Professional, knowledgeable and most of all very honest.”


Our Service Area

Proudly Serving Mandeville, Lewisburg, Madisonville, Covington, Lacombe, and the surrounding areas.


Mandeville, LA 70471
Map & Directions [+]

License #64549

24 Hour Emergency Service