Friedrich MW24Y3H

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The total amount of cooling delivered by the system. This number is inclusive of all interior air handlers.

The amount of heat, rated in BTUs that the item can produce.

Seasonal Energy Efficiency Ratio (SEER) is a measure of cooling over an entire season. It is determined by comparing the amount of cooling produced in BTUs in relation to the amount of electricity used. A higher SEER means a system is more energy efficient and would provide comfort at a lower utility cost than a lower SEER system.

The amount of air that can be moved by the fan, measured in cubic feet per minute (cfm).

Inside air conditioning systems are liquid/gas refrigerant. There are two types of this refrigerant available for use, R-22 (more commonly known as Freon), and a newer alternative R-410A.

An air conditioning system does not consume refrigerant, but reuses it. As long as there are no leaks in the refrigerant circuit, there is no need to ever add more refrigerant to an air conditioning system.

Although R-22 is an effective refrigerant, if it is released into the atmosphere it can contribute to the depletion of the Earth’s ozone layer. The EPA has mandated the phasing out the use of R-22. It is being replaced by R-410A.

As of 2010, manufacturers are required to make all new air conditioners with R-410A. However, R-22 is still available for sale in existing pre-2010-manufactured equipment, and for use in servicing existing R-22 equipment. By 2020, R-22 will no longer be manufactured, but will still be recycled and available for sale.

The amount of water vapor that can be removed from the air per hour. Measured in pints.

The maximum capacity breaker in the building's circuit panel that can be used on the dedicated electrical line supplying the equipment.

Products earn the ENERGY STAR label by meeting the energy efficiency requirements set forth in ENERGY STAR specifications. The EPA establishes these specifications based on the following set of principles:

• Product categories must contribute significant energy savings nationwide.
• Qualified products must deliver the features and performance demanded by consumers, in addition to increased energy efficiency.
• If the qualified product costs more than a conventional, less-efficient counterpart, purchasers will recover their investment in increased energy efficiency through utility bill savings, within a reasonable period of time.
• Energy efficiency can be achieved through broadly available, non-proprietary technologies offered by multiple manufacturers.
• Product energy consumption and performance can be measured and verified with testing.
• Labeling would effectively differentiate products and be visible for purchasers.

The outside diameter of the liquid line pipe (the inside diameter of the connection on the equipment).

The outside diameter of the suction line (the inside diameter of the connection on the equipment).

The noise produced by the unit rated in decibels. 30dbs is equivalent to a whisper, 60dbs is equivalent to a normal conversation, 90 dbs is equivalent to a lawn mower.

Indoor air handlers come in three basic types: - Wall Mounted is easiest to install - Ceiling Cassettes are unobtrusive and offer some ducting to other rooms - Concealed Ducts mount behind walls, above ceilings or under floors and handle multiple rooms