06
Apr 2018
When we think of measuring the temperature of our bodies, we think of thermometers. With our homes, we think of thermostats, but they don’t actually measure the temperature of our homes - they are tools that try to maintain the temperature we set. Types of thermostats and how they work Thermal expansion means when something heats up, it grows bigger. Based on this concept, mechanical thermostats use different technology to switch an electric circuit on or off. Bimetallic thermostats Two metal strips work as a bridge in an electrical circuit that connects to your heating system. Normally the bridge is flat and conducts electricity through the circuit. But when the...
Read MoreRead More