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Why APR?

Air conditioning applications suffer from systemic problems, such as dehumidification, that are not easily solved with end-type controls of great sophistication. Even energy efficient air conditioning systems are unable to vary system capacity to match changing load conditions other than with the crudest mechanisms.

Proper system selection (matching capacity to load) is difficult in even the best circumstances because load rarely remains constant. Operational conditions change seasonally, monthly, daily, and even hourly. Changes in occupancy, solar gain, and ventilation air, to name just a few, are inevitable. Every contractor and engineer has experienced systems that short cycle or cannot maintain dehumidification and comfort because they are oversized.

The value of modulation is priceless

Air conditioning systems enhanced with the APR Control address many of these challenges. In addition, there is the benefit of greater system and compressor reliability. The APR Control is the key ingredient in creating truly energy efficient air conditioning systems in many types of applications.

The APR Control can help address the following problems:

• Variability in cooling demand (load)
• Dehumidification
• Lack of comfort
• Reliability and system longevity
• Ventilation and fresh air
• Tight temperature and humidity requirements
• Energy efficiency
• Contributing to ‘Green’ or LEED points