Ventilation system takes chill off

Grain News
July 06, 2018
By Grain News
Ventilation system takes chill off
File photo
Capturing at least some of the heat from stale or “old” air being exhausted from poultry and hog barns is one more step in developing intensive livestock operations with net zero energy barns. The net zero term means a barn is producing as much energy as it is using.

Two poultry barns in Alberta, for example, have installed heat recovery systems that capture heat from air being exhausted from broiler and layer barns and use it to warm cold fresh air that’s being vented into the barn.

The heat recovery ventilators (HRV), used primarily in winter months, take some of the cold edge off the fresh incoming air, helping to reduce heating costs inside the barn. It’s not so dramatic as being able to feel hot air going out, and then being replaced inside the heat exchanger with hot fresh air coming in, but the system can warm up cold winter air by 15 to 20 degrees. | For the full story, CLICK HERE

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