Solving Problems & Helping People is our Passion
Emergency HVAC Service in Mandeville
24/7 Local Response From NATE-Certified Technicians
When your AC stops working on a July night in Mandeville, you don’t have time to wait for a national call center to schedule someone days out. Nu-Air Heating & Cooling, LLC is based right here in St. Tammany Parish, and we answer emergency calls 24 hours a day, seven days a week. Our NATE-certified technicians serve residential and light commercial properties throughout the area, and we’ve been doing it since 2016.
Our founder, Navy veteran Edgar Mejia, brings over 25 years of HVAC experience to every call our team handles. We hold a 4.9-star rating across 410 customer reviews, and we’re licensed, insured, and Trane Variable Speed certified alongside our NATE certification. That’s the team answering when you call.
If your system has failed, don’t wait until morning. Call Nu-Air Heating & Cooling, LLC now at (985) 288-2445 for emergency HVAC service in Mandeville and throughout St. Tammany Parish.
Why Mandeville Homeowners Call Nu-Air Heating & Cooling, LLC First
We service all makes and models of HVAC equipment, so whatever system you have, we can work on it. Our emergency availability isn’t a third-party answering service routing calls to whoever’s on a dispatch board that night. It’s us: your local team, available any hour because we know what a South Louisiana summer without AC actually means.
Edgar is active in the St. Tammany Parish community and has built this business on repeat customers and neighbor referrals, not on volume from a national network. A locally based technician familiar with Northshore housing and climate conditions can move through diagnostics faster than someone dispatched from outside the area. NATE certification means our technicians are tested against a national standard for HVAC knowledge and repair quality. That matters most when the situation is urgent and the margin for a misdiagnosis is narrow. Customer satisfaction is guaranteed on every service call.
What Happens When You Call for Emergency Service
We answer the phone. From there, we get a technician to your property as quickly as possible, equipped to diagnose a wide range of HVAC failure types on the visit. Our goal is to identify the failure and address it during the same visit whenever possible, though outcomes depend on the specific situation and parts involved.
We start with on-site diagnostics to pinpoint the failure before attempting any repair. Common emergencies include total loss of cooling, refrigerant leaks, compressor failure, electrical faults causing repeated breaker trips, and water pooling near the indoor air handler. If replacement is the better path, we provide free estimates for replacement equipment so you can make an informed decision without pressure.
In Mandeville’s heat and humidity, a same-day or same-night response can be a genuine health matter for households with elderly residents, young children, or anyone with a medical condition affected by heat. We take that seriously.
Get Emergency HVAC Help Now
Don’t wait out a breakdown hoping the system resets itself. If your heating or cooling has failed, call Nu-Air Heating & Cooling, LLC at (985) 288-2445 any time of day or night. We serve Mandeville and communities throughout St. Tammany Parish, and we’re ready to respond.
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!
Hear From Our HappY Customers
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“Great communication and swift service! And a cool house!”Tova H.
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“The owner, Edgar, repaired my a/c. He was very professional, knowledgeable and most of all very honest. I highly recommend using NU-Air for all of your heating/cooling needs!”Michael
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“Finally, after 4 years of dealing with incompetent air conditioner repairmen I have found a truly knowledgeable technician in Edgar Mejia, owner of Nu-Air Air Conditioning Repair.”George H.
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“I am a meticulous DIY handyman myself and I was completely satisfied with the work that Edgar did for me. He replaced the evaporator coil, transition, plenum box and first 25 ft of duct for the ground floor system. He also lined (and sealed) the return air passage. While he made several work scope additions during the job, Edgar made no attempt to increase the agreed upon price. Edgar approached my project as if he was working on his own system. I highly recommend this HVAC contractor.”Marvin
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“He is the only person I would ever trust on my systems. Edgar is incredibly professional, knowledgeable, willing, patient and exceptionally trustworthy. I am in perfect hands with whatever Edgar says needs to be done to any of my 3 systems. When he leaves the house I know he has done the work perfectly and that he has gotten the job done that needed to be done. Working with Edgar is an exceptional experience because he takes exceptional pride in all that he does. And I am not easy to work with.”Jackie B.
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“Thanks NU-Air Heating & Cooling, LLC and Edgar Mejia for your quick, reliable service, expertise and professionalism installing my new AC/heating unit. So happy I had someone I could trust to do the job while I was at work.”Peggy
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“Fantastic service, amazing attention to detail, very honest!”Wayne A.
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“I needed a new a/c for my home. I received 4 quotes and Nu-Air was the lowest. Edgar came out to give the estimate himself and returned the following day to start the install. No salesman. Deal directly with the owner. Probably how he keeps the cost lower. I will need my second a/c replaced soon. I won't shop around next time, I will just call Edgar.”Keith D.
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“Best customer service I've ever received and would never consider any other HVAC service. Edgar is very honest and doesn't try to "over sell" his customers. He was very easy going, said to call him when I made my decision...unlike the other companies that were high pressure sales. Edgar has been in the business for 20 years - his honestly and on-site as a manager service is outstanding. USE THIS COMPANY ONLY IF YOU WANT EXEMPLARY SERVICE!”Lori B.
