Lg Mini Split Distributors.  Air Changes per Hour. 

(ACH) Air Changes per Hour and is a measure of air infiltration. This is the total volume of air inside a house that is changed in an hour. The building houses a close may have a 0.25 to 0.35 ACH ACH. A typical new home construction may have an approximately 1.75 ACH ACH. Old houses with poor sealed and insulated windows and doors can have more than 2.5 ACH.

Lg Mini Split Heat Pump. KWH.

KWH stands for Kilowatt per Hour. It is a unit of measurement equal to 1,000 electrical energy expended for one hour. The electricity bill of your house is measured in Kilowatts per Hour.  1KWH is equivalent to 3,412 BTU spent.

Lg Mini Split Review. Humidifier.

A humidifier is a piece of HVAC equipment (usually set in the boiler) adding steam to heat the air that leaves the boiler. It is mainly used in the winter season when the humidity levels in the home are low. The new and better built homes do not have much need for a humidifier and humidity levels are easier to control in new homes have less air infiltration. Humidifiers can be independent for single rooms.

Lg Mini Split Air Conditioner. Infiltration.

Filtration is a term applied when air leaks into or out of a house through small cracks in door frames, window frames, outlets, walls, floors and other structures. It is a main component to measure the heat loss.