What does an evaporator coil do? The evaporator coil is the indoor part of a central air conditioner or heat pump that absorbs heat from the […]

What does an AC condenser do? The AC condenser is the outdoor part of a central air conditioner that releases heat from inside your home to […]

What is a TXV and what does it do? A TXV, also called a thermostatic expansion valve, is a refrigerant-metering device inside many air conditioners and […]

What is subcooling in HVAC? Subcooling is the amount a liquid refrigerant is cooled below its saturation or condensing temperature at the same pressure. In a […]

What is superheat in HVAC? Superheat is the amount a refrigerant vapour is heated above its boiling or saturation temperature at a specific pressure. In an […]

What is static pressure in HVAC? Static pressure is the resistance your furnace, air handler, or heat-pump blower must work against as it moves air through […]

If you are asking what size air conditioner does my home need, the correct answer is not based only on square footage. A properly sized central […]

A variable-speed air conditioner is a cooling system that can adjust its output to match the actual cooling demand in your home. Instead of operating only […]

SEER2 explained for homeowners means understanding one of the main cooling-efficiency ratings shown on newer air conditioners and heat pumps. SEER2 tells you how efficiently a […]