Many of the “old-timers” in our trade are baby boomers; they were likely born after World War II ended and before the mid-1960s. These people grew up in a different time than today’s millennials (Gen Y) and zoomers (Gen Z). As those old-timers continue to retire, our trade needs to start attracting, recruiting, and managing […]

Note: My brother Nathan wrote this a few years back, and I only did some minor editing. A pool heat pump is essentially a water-cooled air conditioner in reverse. It usually has a large air evaporator on the outside that looks like a condenser coil and a heat exchanger (usually tube-in-tube) on the inside. A […]

When we say that there is “flash gas” at a particular point in the system, it can either be a bad thing or a good thing, depending on where it is occurring. Flash gas is just another term for boiling. It is perfectly normal (and required) that refrigerant “flashes” or begins boiling directly after the […]