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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“Edgar and crew installed a new electric panel at my house, they also moved a/c return and a few other things. They are reliable, the work was done when promised and they cleaned up the work area and even swept my floor. Thanks for the great work.”Lorena
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“Edgar is fantastic! He has been taking care of my family's heating and cooling needs for years. I am not an easy customer, as I am very particular with how I expect things to be done. Edgar continues to exceed my expectations! Today he performed the seasonal maintenance for both the upstairs and downstairs units. In addition, he installed the REME-HALO Advanced Environmental Air Treatment System on both units. Edgar recommended this to us, as we have two dogs, two cats, and a rabbit (a lot of paws per square inch in our CBD residence)... The installation was very clean and seamless. The condo already smells better/cleaner (no pet odor at all), and my son's allergies seem much better (no sneezing, no coughing)... Edgar even took the time to register the purchase with the manufacturer to satisfy the warranty requirements. That is service above and beyond! Extremely profession, knows his craft, and always honest... Please do not hesitate to message me, should you require more detailed information. I highly recommend NU-Air Heating and Cooling!”Michael B.
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“I spoke to Edgar on Wednesday a.m. , explained we were told we needed a new HVAC system. I felt a second opinion was needed. Edgar scheduled to meet that afternoon. After checking the system, he immediately told us the furnace was very good and did not need replacing, he expected it would survive at least another 10 years. He explained a/c problems and they could be repaired with parts . Due to cost of replacement parts and age of unit, we felt it prudent to replace instead of repair. We discussed the brands we were interested in. Edgar had tremendous knowledge on each brand and was thorough in his explanation of each. He didn't try to rush us through our questions. Later that evening he sent quotes on the four we spoke about. The prices were very fair. His crews were booked through mid part of following week. During our initial conversation, I mentioned we had out of town guest coming for the weekend. He was concerned and said he would come by Friday evening or Saturday a.m. to add Freon to get us through the weekend. Thursday evening Edgar called to say he had our parts and he would install Friday morning! We were very happy and impressed that he was concerned for our comfort and weekend company. Edgar completed the job mid afternoon. He left the house immaculate and the house is cool again! He is truly a professional and a great guy. Very happy we found Edgar and we highly recommend Nu-Air!”Sherry
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“A military veteran that holds true to his integrity and customer service. Edgar was prompt and honest with us right up front. It turned out to be a simple fix but he did a complete check of both units and didn't try to take advantage of us or our situation. He left us with a lot of knowledge for when the time comes to replace our aging units. Thanks Edgar!”Chris
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“Extremely knowledgeable, experienced and gets the job done! Works with a sense of urgency, reliability, trustworthiness and professionalism.”AC R.
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“He really took his time explaining all of its features and what to expect from him and his service team.”Elizabeth G.
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“As a single mom, one of my biggest worries is being taken advantage of when it comes to home repairs that I know NOTHING about. Edgar is possibly the most honest and knowledgeable professional I have ever met. He not only came the same day I contacted him, but he quickly diagnosed the problem with superior knowledge and skill, and assured me that I did not need a new AC unit when I was convinced I did (and ready to shell out thousands of dollars to replace the whole unit!). I won't even consider using anyone else in the future. The charge for his services were beyond reasonable -- and far less than I've ever been charged in the past. Edgar is the kind of man that makes the world a better place. He made me a lifetime loyal customer in one visit.”CMB
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“I was referred to Edgar by my sister over 7-8 years ago. At that time he was with a larger company and I began to request him and him only to come out and service my A/C. He recently branched out to begin his own business and I have stuck with him as a loyal repeat customer. He is always on time and easy to get a hold of. I appreciate his honesty more than anything. He is very thorough in his work, he won't just come in and look at one thing, he will survey the entire unit to make sure everything is working properly. I would highly recommend him!”Ronald
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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.
