Maintaining Hot Water & Steam Systems

Hot water and steam systems, also known as hydronic systems, feature a boiler that heats water and circulates it through a closed network of pipes to a set of radiators or convectors. Because water expands and contracts as it heats and cools, these systems include expansion tanks to ensure a constant volume of water circulating…

How to Test & Service an Electric Baseboard Heater

Baseboard heaters are simple electrical units consisting of a heating element with attached metal fins for transferring heat, and a limit control- a switch that prevents the element from overheating. To control the temperature, some models have a built-in thermostat; others are controlled by a line voltage, or zone thermostat-a wall -mounted thermostat that is…