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AIR CONDITIONING BASIC CONCEPTS
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TONS and SEER:
Air Conditioning systems are described foremost by two values:
The tonnage and the SEER/EER.
The number of TONS indicates what space can be cooled by the system while the number
of SEER/EER indicates the efficiency of the system, i.e. how much energy it requires
to cool down the designated area.
By analogy, the SEER for A/C is the equivalent of how many miles per gallon a car
uses while the tonnage represents how many cylinders the car’s engine has.
Practically and very approximately, the tonnage is determined by the size of the
house, office, commercial space, storage, laboratory, etc to be cooled. factors
like the level of insulation, numbers and types of windows, orientation (South
North East or West) as well as the number of people and of machines & devices
heat producing that occupy the space influence the number of tons require to
appropriately cool a given space.
EER
The choice of the EER value is very strictly regulated for all HAVC systems
used in commercial applications.
SEER:
The choice of the SEER value used to be up to the home owner. Generally home owner
who relatively rarely used their Air Conditioning system used to choose to spend
their money on their electric bills while home owners who used their air
conditioning more than 4 hours a day for more than 4 months a year would
invest in a more efficient system. This approach is still valid. However
since the recent law change, California imposes some restrictions on the
SEER of the units newly installed or replaced.
If you have any questions, feel free to call Fix My AC, Inc. at 800-673-4922.
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