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The Air Turnover Concept

In a building with high ceilings, such as a warehouse or manufacturing facility, thermal barriers are established as warm air rises and gets trapped at the ceiling. The result, known as "air stratification," creates layers of temperature in the space.

The temperature at the ceiling may be 25 degrees hotter than at the floor, and the heat trapped at the higher level is unusable. Since the desired building temperature must be maintained at a low level, the inevitable result is excessive heating bills.

Air stratification also creates problems in spaces that require cooling. Because cool air settles to the floor, higher levels remain too warm. When the temperature is not uniform from floor to ceiling, condensation can form causing moisture damage.

An Air Turnover system solves the air stratification problem by continuously circulating the air in the space. It picks up air at the floor, removing the coldest air layer supporting the thermal barrier. The air is heated or cooled, and returned quietly through a screened discharge plenum to create a uniform temperature and a comfortable, more cost-effective conditioned space.

Key Benefits:

Systems for heating only or heating/cooling.
All systems also provide quiet, warm weather ventilation.
Heating and cooling costs reduced up to 40%.
Quiet, draft-free operation with low power consumption.
No duct distribution system reduces installed cost.
Large and small units to meet every need.
Condensation and moisture damage eliminated.
Floor mounted controls and burner simplify maintenance.

To learn more about Air Turnover Systems click here.
How Air Turnover Systems Work
In Heating Mode
For heating, the Air Turnover system picks up air at the floor (where it is coolest), then heats it and returns it to the space above. Room air turns over 1 to 3 times each hour. The result is a comfortable, uniform room temperature from floor to ceiling.
In Cooling Mode
For cooling, the Air Turnover system continuously recirculates large volumes of air to eliminate the room's thermal barrier. The result is a "comfort zone" from the unit discharge down to the floor level. Extending the height of the discharge increases the height of the comfort zone. Air in the comfort zone turns over 3.5 to 5 times each hour.
   Copyright © 2006 Mestek Technology Inc. All rights reserved.
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