The payback period depends on the type of attic inlets installed.
Attic inlets poultry houses.
Average turkey or chicken houses with poultry ceiling inlets are capable of being ventilated 20 percent more than houses without ceiling attic inlets on cold days without experiencing the 20 percent increase in fuel usage that one might expect.
Unless properly installed and managed attic inlets can contribute to structural damage by allow ing warm and moist house air to enter and condense on trusses roof metal and insulation.
By closing up the house and turning on a couple of 36 fans during the day attic inlets can increase the house temperatures from 10 to 15 degrees above outside air temperature figures 2 3 4 5.
By installing ceiling poultry inlets producers can capitalize on solar heat trapped in their attics and ventilate poultry houses more during the day.
These inlets allow growers to capture warmer attic air for minimum ventilation thus reducing heating fuel costs reducing relative humidity and improving litter quality.
Attic air is typically warmer than outside air on cold days.
Addition of attic inlets in the houses evaluated as part of the kentucky poultry house evaluation service can save an average of 400 800 gal lp house yr.
It is very important to keep this concept in mind when operating attic inlets.
Attic inlets tend to do a better job of conserving heat in a poultry house than conventional side wall inlets.
Air enters the inlet from the attic and when the inlet is open air is evenly distributed in.
Breathe cannot be seen and is easily taken for granted.
Double l attic or ceiling inlets take warm air from attic to heat living area of poultry house.
The air that you and your chicken turkey etc.
Attic air inlets are being installed in many poultry houses across the poultry belt.
Though attic inlets can lead to slightly lower heating costs the primary objective of an attic system is to maximize fan runtime which will lead to improved air quality and litter conditions.
Ventilation in your turkey or chicken house is a science.
Attic air inlets are used in poultry houses to allow growers to capture warmer attic air for minimum ventilation which helps reduce heating fuel costs and relative humidity along with improving litter quality.
Poultry house attics are made up of trusses built with untreated lumber put together with press fit truss plates.
Between flocks attic inlets can be used to help dry out damp litter as well as to help cook off some of the ammonia from the litter.
The less expensive option is the gravity inlet and has a payback period of 2 to 4 years.
The gc1140 360 degree attic air inlet is a fully insulated inlet used in poultry houses and hog barns.