Psychrometric Saturday: Plotting a Point on the Chart

We finally plot our first point on the psychrometric chart.
#betterhvac #hvac #hvactech #hvactechnician #airconditioning #minisplit #dehumidifier #humidity #homeperformance #heating #ventilation #airconditioning #bluecollar #tradesman #comfort #cooling
#heating #iaq #timdestasiohvac
#homeperformance #hvactraining #buildingscience #hvactraining #hvacdesign #ductdesign

[@erickessler6094]

Tim,
I'm enjoying these bites sized lessons.
Haha, I'm more of a summer 75° & 40-45% RH. Very comfortable! As a guy & family with allergies, I learned that dust mites can not propagate below 50% RH, so I've kept my dehumidifier at 40-45% year round.
Cheers, Eric

[@timdestasiohvac]

Thank you. ACCA Design humidity is 50-55%. In humid climates it is very hard to get below that without consuming a tremendous amount of energy. I wonder if MERV 13 could help with dust mites...

[@erickessler6094]

@timdestasiohvac Yes & that 50-55% is awesome in general. Yes, the MERV 13+ is a must and would help handle airborne mites stirred up by activity. However, the alergy issue is to STOP them from propagating, which requires

[@timdestasio3367]

​@@erickessler6094awesome thx for the comment!