Classrooms run on unit ventilators, and dorms and offices run on PTACs. Many school buildings still use AAF Herman Nelson and McQuay equipment installed decades ago. We help facilities teams keep it running and replace it when it is time.
Plan replacements for the break between terms and order early.
Motors, coils, and controls for AAF Herman Nelson units.
PTAC replacements room by room or floor by floor.
Chiller parts for McQuay equipment.
Replacement coils after a cold snap.
We work with district purchasing and PO processes.
School equipment tends to stay in service for decades. We specialize in parts and replacements for exactly that kind of equipment.
Air Distributors has been a wholesale HVAC distributor in Louisville, Kentucky, since 1988, shipping across the US and Canada. In-stock items typically deliver in 2 to 5 business days.
Got a question, or need pricing on a unit or part? Send a message and someone will respond during regular business hours.
Monday to Friday, 8:30 AM to 4:30 PM Eastern
Include a model and serial number from the unit's nameplate when you have them. That is the fastest way to the right unit or part.
New PTACs moved to R-454B refrigerant. For replacement jobs, the change is mostly invisible, with a few things worth knowing.
All three current GE Zoneline series fit the same 42 x 16 sleeve. The differences are in how they heat and what they cost to run.
Dozens of discontinued PTAC lines shared one 32-inch sleeve. Here is how the DMQE and DHE replace them without touching the wall.