Northshore Louisiana · Since 1984
Heating Repair Slidell & the
Northshore — Done Right.
Same-day service. Salaried technicians — not subcontractors.
24/7 emergency response. One call and we’re on our way.
- Same-Day Available
- Salaried Techs · No Subs
- 24/7 Emergency
- 40+ Years Northshore
About This Service
Heating Repair Across Slidell
& the Northshore
MD Air and Heat provides same-day heating repair throughout Slidell, Louisiana and the surrounding Northshore communities — including Covington, Mandeville, Madisonville, LaCombe, and Pearl River. Our technicians are salaried MD Air employees, never subcontractors, and every one has passed a background check before setting foot in a customer’s home.
We diagnose and repair all heating equipment — heat pumps, gas furnaces, air handlers, and ductless mini-split heating systems from Trane, Mitsubishi, Carrier, Goodman, and more — and we back every visit with a written report of findings. Emergency heating repair is available 24/7 at 985-649-5379. Heating tune-ups start at $90.
-
40+
Years Serving
the Northshore -
24/7
Emergency
Heating Response -
$90
Heating Tune-Up
Starting Price -
0
Subcontractors.
Ever.
Know the Warning Signs
Is Your Heater Trying
to Tell You Something?
Louisiana winters are short — but a failing heater on a cold January night is still a real problem. Don’t wait until it quits completely.
Not Heating Enough
Running constantly but the house won’t warm up past 60°? A dirty filter, failed heat exchanger, or low refrigerant on a heat pump are the usual culprits on the Northshore. Any of them get worse the longer they run.
Blowing Cold Air
If warm air comes out for a minute then turns cold, you may have a failing heat exchanger, a tripped limit switch, or a refrigerant issue on a heat pump. It’s rarely a thermostat — and it doesn’t fix itself.
Banging, Rattling, or Squealing
New noises from your furnace or air handler are never normal. Banging usually means a loose or broken component. Squealing points to a worn belt or bearing. The longer you wait, the bigger the repair bill.
Tripping the Breaker
A heating system that keeps tripping the circuit breaker is drawing more power than it should — a sign of a failing blower motor, a locked compressor on a heat pump, or an electrical fault that needs diagnosis now, not later.
Utility Bills Spiking
A sudden jump in your Entergy bill during a cold stretch without any change in usage is a red flag. An inefficient heating system works harder to keep up — and you pay for every extra hour it runs trying to reach your setpoint.
Short-Cycling On and Off
If your system kicks on, runs for a minute, shuts off, then immediately kicks on again — that’s short-cycling. It’s hard on every component in the system and usually signals an oversized unit, a failing thermostat, or a restricted airflow problem.
Recognize any of these? Don’t wait for a full breakdown.
📞 Call Now — Same-Day AvailableWhy Northshore Families Choose MD Air
Not Every HVAC Company Is the Same.
Ours Isn’t.
Any company can say they’re the best. Here’s what actually sets MD Air apart — and why it matters when a stranger is coming to your home.
Salaried Technicians — No Subcontractors. Ever.
Every MD Air tech is a W-2 salaried employee — not a day-labor sub hired off a dispatch board. That means consistent training, real accountability, and a tech who represents this company with their name on the line every single call.
Background-Checked Before They Enter Your Home
Every technician passes a full background check before joining MD Air. If you have kids at home or you’re letting someone in alone, you deserve to know exactly who’s walking through your door. We take that seriously.
NATE-Certified. Trane & Mitsubishi Authorized.
Our techs hold NATE certification — the highest independent standard in the HVAC industry. We’re also authorized dealers for Trane and Mitsubishi, meaning factory-level training on every heating system we install and service.
Written Report After Every Visit
When we leave your home, you get a written report of every finding — what we found, what we did, and what to watch. No verbal-only handoffs. No mystery charges. A real paper trail you can keep.
Same-Day & 24/7 Emergency Service
Heater out on a cold night? Real people answer our phones. We dispatch the nearest available tech and aim to be there same-day for most Northshore calls — because in Louisiana, a January night without heat isn’t something you wait out.
Family-Owned Since 1984 — Still the Same Family
Big Mike started this company in 1984. His sons Michael and Dustin are in the field every day. Lisa answers the phone. Nobody here punches a clock for a corporation. When you call MD Air, you get the family.
I started this company because I believed you could run an honest business and still make a good living. Forty years later, my boys are out there every day proving I was right.
— Big Mike, Founder · MD Air, Est. 1984
Where We Work
Heating Repair Across
the Entire Northshore
Based in Slidell. Dispatching across St. Tammany Parish and beyond. If you’re on the Northshore, we’re your neighbors.
- Slidell Home Base
- Covington St. Tammany
- Mandeville St. Tammany
- Madisonville St. Tammany
- Abita Springs St. Tammany
- Pearl River St. Tammany
- Lacombe St. Tammany
- Folsom St. Tammany
Don’t see your city? We cover more of the Northshore and Southshore than listed here. Call us at 985-649-5379 — if we can get to you, we will.
Common Questions
Heating Repair Questions.
Straight Answers.
No runaround. If you don’t see your question here, call us and a real person will pick up.
Still have a question? Call us and a real person picks up — not a voicemail, not a chatbot.
📞 985-649-5379Ready When You Are
No Runaround.
No Excuses.
Just Call Us.
Same-day heating repair across the Northshore. Real people answer. Salaried technicians show up. Work gets done right — or we come back until it is.
- Same-Day Available — 24/7 emergency, real people answer
- Salaried Techs Only — background-checked W-2 employees, never subs
- All Heating Equipment — heat pumps, furnaces, air handlers, mini-splits
- Work Guaranteed — written report every visit, we stand behind it
Prefer a Callback?
Leave your name and number. A salaried MD Air tech calls you back — usually within the hour.
No spam. No pressure. Callbacks within the hour during business hours.
You’re All Set!
We got it. A salaried MD Air tech will call you back shortly.
Need us faster?
Call 985-649-5379 now.
Big Mike started it. Michael and Dustin run it today. Lisa answers the phone. Forty years on the Northshore — same family, same number, same standards.