Applied Comfort PTAC Units
Replacement PTAC Units
Applied Comfort PTAC units are replacement units specifically engineered to fit the casing dimensions of older equipment from legacy brands — McQuay, AAF, American Standard, Islandaire, Ice Cap, Simon Aire, Retroaire, Singer, Climate Master, and Slant Fin among them. For contractors and facilities managers dealing with aging PTACs in non-standard or discontinued footprints, Applied Comfort replacements eliminate the need for casing modifications or structural work, making them the practical solution when a like-for-like replacement is no longer available.
Air Distributors is as Applied Comfort Preferred Supplier designated distributor offering wholesale pricing on the complete product line. Whether you are replacing a single failed unit or sourcing equipment for a multi-property portfolio, our team can identify the correct series for your existing casing and provide pricing for individual units or bulk orders. Call 800-866-1210 or use the contact form on this page.
Applied Comfort Replacement PTAC Units
16 Series
Replacement for AAF Series 16, McQuay ENR/ENH/PNES/PNHS, Islandaire EZ16, Retroaire RC10/RH10/R10C/R10H, as well as Type 45 units (kit required).
DMQ Series
Replacement for Zoneaire CSM/CHP, Keeprite DM/DMA/DMB, Islandaire EZCS, Retroaire RC30,/RH30/R30C/R30H, and other 32 X 18 units.
EA Series
Replacement for McQuay EA/MEA/PMES, Islandaire EZED, Retroaire RC35/RH35/R35C/R35H, and other 16 x 44 units.
K Series
Replacement for Singer K/EK, Remington K/EK, McQuay K/EK/MEK/PKES, Islandaire EZKF, Retroaire RC60/RH60/R60C/R60H and other 3 piece increental units
NA Series
Replacement for McQuay MQE/PDAA/PDE/PDHA/PSE, Friedrich TW bottom coil hydronic, and other 42 x 16 slope top bottom coil hydronic units. Also available in electric strip heat.
NF Series
Replacement for Singer N/NE/NR/NH, McQuay MQS, Islandaire EZNE, and other 42 x 16 flat top bottom mount hydronic units. The NF is also available with electic heat.
NY Series
Replacement for McQuay PDAN/PDAC/PDNS top mount hydronic units. Will also work for other 42 x 16 top mount hydronic units.
RS/ES Series
Replacement for Remington RS, Singer RS, McQuay RS/ES, Islandaire ED, Retroaire RC35/RH35/R35C/R35H, and other 44″ PTAC units.
SC Series
Replacement for Zoneaire SEA/SHA/SWA, Islandaire EZHQ, Retroaire RC20/RH20/R20C/R20H, and other 36 x 16 PTAC units with electri heat, hydronic, or heat pump.
Additional Applied Comfort Replacement Series
JK Series PTAC
Replacement Slant Fin JK downflow PTAC units.
J Series
Replacement for Singer J, McQuay J/MEJ/PMEJ, Retroaire RC65/RH65/R65C/R65H, Islandaire EZJA, and other similar units. The Applied Comfort J Series is currently going through a complete redesign, and is expected to be back in production in late 2026. Contact us to get on the notification list.
CM Series
Replacement for Climate Master 702/703/704, Islandaire CM, and other similar 36 x 16 PTAC units.
Applied Comfort Legacy PTAC Replacements — What You Need to Know
The challenge with legacy PTAC replacement is footprint. Standard PTACs are manufactured to a common chassis size of 42 inches wide by 16 inches deep — but a large portion of the installed base in hotels, schools, healthcare facilities, and multifamily buildings was built around earlier equipment that does not conform to that standard.
When a unit fails in a non-standard casing, the options narrow quickly. Reusing the original manufacturer’s replacement is often not possible for discontinued product lines. Installing a standard-size unit requires casing modification — an expensive, disruptive process that multiplies the cost of what should be a straightforward chassis swap.
Applied Comfort designs its replacement product line specifically to address this problem. Each series is dimensioned to fit a particular family of legacy casings without modification, allowing a failed unit to be replaced with a current-production PTAC that seats correctly in the original sleeve. This approach reduces replacement cost, eliminates construction work, and minimizes downtime for occupied buildings.
Since 1994, Air Distributors has been a Preferred Supplier for Applied Comfort replacement PTACs at wholesale pricing to HVAC contractors, property managers, and facilities departments. We stock or can source the full Applied Comfort line and can assist with series identification when you have a model number from the existing unit but are unsure which replacement applies.
FAQ
What legacy brands do Applied Comfort PTACs replace?
Applied Comfort replacement PTACs are designed to fit casing openings originally built for equipment from McQuay, AAF, AAF-McQuay, American Standard, Islandaire, Ice Cap, Simon Aire, Retroaire, Singer, Climate Master, and Slant Fin, among others. The specific series required depends on the original unit’s casing dimensions and footprint. Contact Air Distributors with the existing unit’s model number and we can identify the correct Applied Comfort replacement.
Do Applied Comfort replacement units require wall sleeve modifications?
Applied Comfort replacement PTACs are engineered to fit existing legacy sleeve dimensions without structural modification. Each series is dimensioned for a specific family of original equipment, so the replacement seats in the original sleeve the same way the failed unit did. This eliminates the construction cost and building disruption associated with resizing or reframing casing openings. As with any replacement, we recommend verifying the existing sleeve dimensions against the Applied Comfort series specifications before ordering.
What is the difference between legacy and standard Applied Comfort PTAC series?
Standard Applied Comfort PTACs — the NA, NF, and NY Series — are manufactured to the common 42-inch by 16-inch chassis size shared by most current-production PTAC equipment. These are the correct choice when an existing sleeve accepts a standard-size unit. Legacy Applied Comfort series — including the CM, DMQ, EA, J, JK, K, RS, SC, and 16 Series — are dimensioned for specific non-standard sleeve footprints left by older equipment that does not conform to the current 42 x 16 standard. Using a standard-size unit in a legacy sleeve, or vice versa, requires sleeve and wall opening modifications that Applied Comfort replacements are specifically designed to avoid.
How do I determine which Applied Comfort series replaces my existing PTAC?
The most reliable method is to provide the original unit’s model number to our team. Air Distributors can cross-reference legacy model numbers against Applied Comfort replacement series to identify the correct unit. If the original model number is not available, we can work from the existing casing’s exterior dimensions. Call 800-866-1210 or submit the contact form on this page with your unit details.
Does Air Distributors offer wholesale pricing on Applied Comfort PTACs?
Yes. Air Distributors is a Preferred Supplier for Applied Comfort products, offering wholesale pricing to HVAC contractors, property management companies, school districts, and facilities departments. We are one of only a handful of stocking distributors for Applied Comfort PTAC units in the US. We can accommodate individual unit orders and bulk orders for organizations replacing multiple units across a property or portfolio. Contact us for current pricing and availability.
Can I order Applied Comfort parts for existing units through Air Distributors?
Yes. As a Preferred Supplier, Air Distributors also stocks a large inventory of replacement parts for Applied Comfort units. Visit our Applied Comfort Parts page for available components, or contact us directly with your unit’s model number and the part you need.
Contact Us
Got a question, or need more info on the products listed on this page? Use the contact form below and someone will respond during regular business hours.
If you need Applied Comfort PTAC replacements — whether for a single unit or a large-scale property upgrade — Air Distributors can provide the correct series identification, wholesale pricing, and fast nationwide shipping. Call us at 800-866-1210 or submit the form below with your existing unit’s model number and quantity needed