2021 — Mcquay Pipe Sizer

If you work with HVAC hydronic systems—specifically McQuay (Daikin Applied) chillers, air handlers, or fan coils—you have likely heard the term McQuay Pipe Sizer .

While McQuay no longer actively distributes a standalone proprietary pipe sizer under that exact name, the reference persists in the industry. Most technicians are actually referring to the app or the classic Carrier/Hays pipe sizing charts adapted for McQuay equipment specifications. mcquay pipe sizer

Do it right, and your chilled water system will run efficiently for 20+ years. Have you used the Daikin Pipe Sizer app on a recent McQuay chiller install? Share your experience in the comments below. If you work with HVAC hydronic systems—specifically McQuay