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  • Better Business Bureau Accredited Badge
  • Superpro Housecall Pro Badge
  • Nest Certified Professional
  • NATE Certified
  • 2018 Angie's List Super Service Award


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.

Northshore's BEST 2019 Winner

Voted Best HVAC Services in West St. Tammany

In its 15th year, Sophisticated Woman has released its annual "The Northshore's Best” list and we, at NU-Air Heating & Cooling, LLC, are honored to be voted the Best HVAC Service in West St. Tammany.

Readers of the magazine come together, every year, to establish the collective opinion of their communities to nominate the best businesses, services, health professionals, restaurants, and other establishments. With over 16,000 ballots cast for the 2019 nominations, the segmented voting represents areas across the Northshore including: West St. Tammany, East St. Tammany, Tangipahoa, & Washington Parish.

We are thankful to everyone who voted for NU-Air Heating & Cooling, LLC and want to congratulate all of the other winners in this year’s voting!

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!

  • Daikin
  • Lennox
  • Coleman
  • York
  • Trane
  • Rheem
  • Carrier
  • Goodman

What Our Customers Are Saying

  • “Trustworthy and the only call I would make.”

  • “Excellent company.”

  • “Customer for life...thank you.”

    Dana H.
  • “He is the best at what he does.”

    Donna L.
  • “A true professional in our industry.”

  • “I have found a truly knowledgeable technician”

    George H.
  • “Great service, lowest price and easy to work with.”

    Keith D.
  • “Extremely knowledgeable, professional and very honest!”

  • “Professional and timely!”

  • “Immediate & honest service.”

  • “A military veteran that holds true to his integrity and customer service. ”

  • “Always performs at the highest level.”

  • “The best service!”

    Peggy Metairie, LA

  • “I know we're in good hands!”

    Ruth W.

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