For those of you who use the MeasureQuick app for system diagnosis and performance testing, you may have noticed the “fan efficacy” results and wondered what it is. It is simply the CFM output of the system divided by the wattage used by the blower. It is only for the blower motor and has nothing […]

I'm not sure who first started calling evaporator coil odors “dirty sock syndrome,” but I really wish they hadn't. Nowadays, every tech out there can't help but categorize every odor from the system as “dirty sock syndrome,” and customers just LOVE to hear that they have a “syndrome” named after a dirty locker room smell. […]

Thermal balance point is a concept that is going to start mattering a lot more in years to come as more and more homeowners become interested in electrification. In almost all cases, the heat load for a house is larger than the cooling load; this is true even where I live in Dallas, Texas. Why […]