Wall Mounted Air Conditioning Unit. Proper Sizing. 

One of the most important aspects in your selection of an Air Conditioning System is proper sizing. A right sized system will cool your home and it will remove moisture. A home that maintains low humidity levels will feel much cooler at any given thermostat setting. 

Cassette Air Conditioning. "Short-Cycle".

An oversized system will "short-cycle", meaning that it will cycle on and off more frequently. Short cycling will not allow the run time the system needs to maintain proper humidity levels. 

Sanyo Air Conditioning Units. Replace.

If you are replacing an existing system within your home, locate the model number. For example, model with 24 is a 2 ton unit. Why? There are 12,000 Btu's per ton. The number 24 in the model number indicates the unit is 24,000 Btu's, divided by 12,000 Btu's per ton, equals 2 tons. 

Air Water Heat Pump Price. Contractor.

When a simplistic evaluation is done, normally the contractor will provide an evaluation of the sizing needed of the equipment.  over-sizing as this seems safer to them than under-sizing. The real answer, however, is to purchase the proper size system that is neither too large or too small.