Thermostats tell your system how and when to change the temperature. They come in different makes and models, but the initial troubleshooting steps are the same for all thermostats. You need a soft brush, compressed air and a screwdriver.Know More
Make sure you have not tripped a switch or blown a fuse, and reset if needed. Confirm the power is on at the furnace. Call a certified technician if you are unsure what to do, or if things appear to be unsafe.
Replace the battery in your digital thermostat if there is no display. For an analog low-voltage model, make sure the unit is level and flush to the wall. If this doesn't fix the problem, gently pry off the cover, and clean the inside using a soft brush or compressed air. Visually inspect the components; replace loose wires and tighten terminal point connections. Never touch wires if you are unsure of voltage.
Turn the thermostat to the lowest setting; clean the bimetallic coil with compressed air or a soft brush, repeat for the highest setting. Return the thermostat to your desired temperature.
A buffer vessel, also known as a buffer tank, is a component of a hydronic heating or cooling system that helps regulate the system temperature. Installing a buffer vessel improves system efficiency by reducing how frequently the system needs to turn on and off.Full Answer >
A pneumatic thermostat is a specially designed device that controls the heating or air conditioning system of a house through a control tube filled with air that can send signals, and it works by using a metallic strip that can respond to temperature changes, says Do It Yourself. In response, it either decreases or increases the pressure in the control tube until it achieves a desirable temperature.Full Answer >
During the warmer months, the thermostat to an air conditioner should be set at 78 degrees Fahrenheit. If this is not comfortable, some experts recommend lowering the temperature to no less than 74 degrees to avoid high utility costs.Full Answer >
To replace a thermostat, switch off the power to the thermostat, and unscrew the old thermostat from the wall. Fasten the new thermostat, and switch on the power to test it. You need a screwdriver, a utility knife and a new thermostat to accomplish this task.Full Answer >