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Rooftop Packaged Unit with Integral Heat Recovery

December 07, 2018

Rooftop Packaged Unit with Integral Heat Recovery  - This large rooftop packaged unit also has a heat recovery wheel integrated inside the AHU itself. The all in one AHU and heat recovery unit saves energy by recovering heat that would otherwise be vented outside in the winter time and in the summer removing heat from the air that is used for economizer and minimum outside air.


Rooftop Packaged Unit with Integral Heat Recovery

In the winter the outside air dampers will open to bring fresh air into the building and vent stale air out of the building. The air inside the building contains heat. As the air is passing through the duct to be vented outside it encounters a heat recovery wheel. The air hits the heat recovery wheel and keeps moving past the heat recovery wheel but it leaves some of the heat is contained in the heat recovery wheel.


The desiccant wheel is turning and this heat contained in this wheel (from the old stale air) turns to the duct where the fresh outside air is entering the building. This cold air hits the wheel and absorbs some of the heat that was left there by the old exhaust air that was vented outside.


Rooftop Packaged Unit with Integral Heat Recovery - Energy Savings

This saves energy by capturing waste heat in the air that is vented outside and exchanging it to the air coming inside via the heat recovery wheel. In the summer time the sequence works in a reverse manner as above except the wheel is absorbing more humidity and heat from the outside air so the load from the outside air is lessened in both sensible heating load and latent heating load.


The air coming into the building is cooled by the air leaving the building through the heat recovery wheel making the energy recovery ideal saving energy for the owner of the building. Heat recovery Air Conditioner unit or energy recovery units are not new and have been around for a long time but their popularity has been minimal until recent times when energy costs and concern for the environment has increased making energy recovery units or heat recovery units a good thing for both saving energy dollars and saving energy. Heat recovery units or energy recovery units (same) can be integrated with the air handler or come as a separate component that is ducted to the air handler.

The above is the Rooftop Packaged Unit with Integral Heat Recovery we have listed for you. You can submit the following form to obtain more industry information we provide for you.

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