Tool Category Lighting & Climate

An air conditioner that is too small never quite gets there; one that is too large short-cycles, leaves the room clammy and costs more to run than a correctly sized unit. Sizing is mostly arithmetic about the room: how big…

Buying lights by wattage stopped meaning anything the day LED arrived, and the number on the box now tells you what the fitting produces rather than what the room receives. Most rooms are dim not because the bulbs are weak…