Applied Comfort Replacement PTAC Units
Your sleeve is not 42 x 16. The original manufacturer is gone or stopped making the size. Applied Comfort builds PTAC chassis to legacy sleeve dimensions, so the new unit slides into the wall opening you already have.
Call 800-866-1210 with your sleeve size and the model number of the old unit.
Who Applied Comfort suits
Applied Comfort is the answer when nothing off the shelf fits. You are a good match if:
- Your sleeve measures something other than 42 x 16, such as 32, 36, or 44 inches wide.
- Your existing units are discontinued McQuay, Singer, Remington, AAF, Islandaire, Slant Fin, Climate Master, Zoneaire, or Keeprite models.
- Your building heats with a central boiler and the PTACs carry a hot water coil.
- The room is occupied, and cutting a masonry wall to fit a standard sleeve is not practical.
Applied Comfort also builds 42 x 16 units. If your building has standard sleeves with hydronic heat, the NA, NF, and NY series cover slope-top, flat-top, bottom-coil, and top-coil configurations that a standard electric PTAC does not.
Applied Comfort at a glance
- Sleeve sizes
- Legacy widths including 32, 36, and 44 inches, three-piece K installations, and standard 42 x 16
- Heat
- Electric resistance, heat pump, and hydronic hot water coil
- Voltage
- Built to match the existing circuit, 208/230V or 265V
- Controls
- Unit-mounted controls, with remote wall thermostat options on select series
- Built for
- Direct fit in the existing sleeve, reusing the existing grille
Legacy sizes in Philadelphia buildings
The 42 x 16 sleeve became the industry standard over time. Buildings put up before then, and buildings that bought from smaller manufacturers, have something else in the wall. In the Philadelphia area you find legacy sleeves in:
Original Singer, Remington, and McQuay through-the-wall units, often with hydronic coils on the building boiler.
Suburban complexes in Bucks, Montgomery, and Delaware counties with original sleeves from regional or discontinued brands.
Properties that have not gutted their guest rooms and still run the original sleeve size.
Buildings where every room has the same legacy sleeve and a phased replacement makes sense.
Other legacy brands people search for include older Trane, Friedrich, Amana, Carrier, and discontinued GE Zoneline series. Some of those used 42 x 16 sleeves and some did not. The sleeve measurement settles it. Read about standard vs. legacy sizes.
Heat types
- Hydronic. A hot water coil fed by the building boiler. The replacement keeps the coil in the same position, top or bottom, so the piping connects without rework. This is common in older Philadelphia apartment buildings.
- Electric heat. A resistance heater sized to your circuit.
- Heat pump. Reverse-cycle heating with electric backup, available on select legacy and standard series.
Not sure which you have? Pipes running to the unit mean hydronic. The nameplate tells you the rest. Compare heat pump and electric heat.
Voltage and amperage
- Applied Comfort chassis are built for the voltage your building already supplies. Read it from the old nameplate.
- Note whether the old unit plugs in or is hardwired. Many legacy units are hardwired, especially at 265V.
- Record the breaker size or circuit amperage. Electric heat output is sized to it.
- If the room uses a wall thermostat, say so. Select series support a 24V remote thermostat.
Wall sleeve and grille compatibility
The sleeve decides everything. Applied Comfort builds the chassis to fit the sleeve in your wall, so the outdoor grille, the wall finish, and usually the electrical connection stay as they are.
- Measure inside the sleeve: width, height, and depth in inches.
- Note the sleeve top: flat or sloped.
- Photograph the outdoor grille and the inside of the sleeve with the old chassis removed.
- Check for rust through the sleeve floor. A sound sleeve can stay. A rusted one changes the plan.
What to send for an Applied Comfort quote
- Model number and brand of the existing unit, with a nameplate photo
- Sleeve width, height, and depth
- Voltage and amperage, plug-in or hardwired
- Heat type: hydronic, electric heat, or heat pump
- Quantity, and your preferred delivery schedule
Lead time and shipping
Many legacy chassis are built to order. Plan ahead for multi-unit projects, and keep a spare or two on site for failures. Units ship to the Philadelphia metro from the Air Distributors warehouse in Louisville, Kentucky, or direct from Applied Comfort.
Request a Legacy Unit QuoteNeed a replacement PTAC for a Philadelphia building?
Send the model number on your existing unit, the sleeve size, voltage, heat type, and quantity. You get a quote from a factory-authorized distributor, with units shipped from Louisville or direct from manufacturer stock.