An ouside air temp changeover thermostat. lc
Lower levels of light are what causes the dimmer switch to heat up. The extra electricity that is not being used when the light is lowered is sent to the circuitry of the dimmer switch. The heating up is normal.
The panals store energy and save it as a backup if their is no sun.
Yes. Adding heat will increase temperature.
Expansion of the water inside due to heat causes the system to be pressurised.
Heat from the engine causes liquid to expand. It used to overflow onto the ground if it caused enough pressure to open the radiator cap. The overflow tanks were installed to automatically catch and return the coolant to the cooling system.
limit switch on hvac used to cut off low voltage on heating when system over heat limit
One of the best things to do for backup heat in case of a power failure is to convert a fireplace to propane.
The application of HEAT, in any of it's Forms; heat to overcome Inertia.
Yes depending on electrical rates in your area , but you will need a backup system to provide heat when the outdoor temps get below 35* or so where a heat pump is ineffective. This is commonly called a Dual Fuel system. Many people do this.
Heat causes the particles of a substance to move faster, thus causing the internal pressure of the system to rise.
On a system that uses a Heat pump, the heat setting utilizes the pump, and electrical coil heating as a backup. On the EM setting the heat pump won't run, only the axillary coils will provide heat.
All the heat pumps that I know of are electric. Some may have gas backup-- in very cold conditions , heat pump will not work, so some kind of backup is needed.