The concept behind Acadia™ is relatively simple. A traditional air source heat pump is primarily designed as an air conditioner with a secondary function of heating. This means that below freezing conditions these systems require supplemental heat, which is typically inefficient electric elements or a secondary fossil fuel system, to make up the loss of capacity. These back up systems have given heat pumps a bad name.
This is not the case with the Acadia™ system. The system uses the patented boosted compression process, known as Opti-Cycle™, which employs a unique two-stage primary compressor, a series booster compressor and a liquid economizer for maximum heat absorption during any condition.
Above 30°, the system uses only the primary compressor. We use the Bristol Twin Single™ compressor which gives us two stages of output from the primary compressor. The Twin Single compressor has the ability to provide 50% or 100% capacity. For example, a 3 ton compressor could provide either 1.5 or 3 tons depending on the mode of operation.
When temperatures fall below 30°F, instead of relying on an inefficient backup, the Acadia system utilizes the Opti-Cycle™ technology. The booster compressor is connected in series with the primary. (See diagram) The booster compressor allows for further heat absorption in the outdoor coil at colder temperatures. It does this so well that the Acadia system can efficiently absorb enough heat into the outdoor coil to maintain the design load within the house at temperatures well below 0°F without the use of costly supplemental heat.
This gives the system a boost in both heat output and delivery air temperatures.
Additionally, the system uses a brazed plate heat exchanger known as the economizer. The economizer uses waste heat from the liquid line to bolster inlet temperature conditions at the primary compressor. By removing the heat from the liquid line, it also helps to further subcool the refrigerant before it is metered into the evaporator coil, furthering the systems ability to absorb heat into the outdoor coil.
These patented processes, known as the Opti-Cycle™, make the Acadia system the heating and cooling system of choice in all climates across sthe United States and Canada.
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