1:5:10:365 EcoTip Blog

January 14, 2009

Airetrak Bathroom Fan Control

Take the 1:5:10:365 challenge: Do one thing – for 5 to 10 minutes – 365 days a year to make our home and planet environment better.

The bathroom ventilation fan may be able to be used to help provide fresh air to help reduce moisture and improve indoor air quality. Make sure the fresh air is coming from a clean outside source. The Airetrak bathroom fan control from Tamarack Technologies is one low cost way to adapt your existing bath fan for this use. When needed it allows full fan capacity for extra ventilation for example when showering. Then adjusts the fan speed downward for constant ventilation to meet fresh air needs.

 airetrak6220220web20small 

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 Additional Information: http://www.tamtech.com/store/universal-fan-control,Product.asp

The Airetrak line of bath fan controls allow builders and homeowners to meet ASHRAE 62.2 guidelines for indoor air quality, and also make the home Energy Star capable.

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November 14, 2008

:319 Eave Ventilation

Take the 1:5:10:365 challenge: Do one thing – for 5 to 10 minutes – 365 days a year to make our home and planet environment better.

1:5:10:319 EcoTip: Insulation in eaves needs to be present to save energy loss and prevent ice dams from forming in areas with snow. If not properly installed the insulation can block the eave vents and prevent proper ventilation of the attic. The following illustration shows one way of insulating while allowing attic ventilation through the eave vents and helping to prevent ice dams from forming.

 185-eave-vent1

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 Additional Information:

Suggested Review: :317, :318

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November 6, 2008

:311 Humidistat

Filed under: :311 Humidistat — Tags: , , , , , , — John Banta @ 12:22 am

Take the 1:5:10:365 challenge: Do one thing – for 5 to 10 minutes – 365 days a year to make our home and planet environment better.

1:5:10:311 EcoTip: By using a humidistat – bathroom vent fans can be programed to turn on when elevated moisture levels are present to help prevent condensation and mold from forming on windows and other surfaces.

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 Additional Information:

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May 5, 2008

:126 Moisture Management

Filed under: :126 Moisture Management — Tags: , , , , , , — John Banta @ 12:09 am

 Welcome to today’s 1:5:10:365 Tip for becoming a better steward for our home and planet.

1:5:10:126 EcoTip: Managing indoor moisture is often times a matter of having adequate ventilation control. A programmable vent fan switch can allow the flexibility for adjusting building ventilation to suit the need while helping to save energy.

Credit: Tamteck, Airetrak

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 Additional Information

Tamtech has some excellent information about ventillation basics that will help you to understand ventilation needs and methods. at: http://www.tamtech.com/ventilation.htm

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April 21, 2008

:112 Door Undercuts

Filed under: :112 Door Undercuts — Tags: , , , , , , , , , — John Banta @ 12:26 am

Welcome to today’s 1:5:10:365 Tip for becoming a better steward for our home and planet.

1:5:10:112 EcoTip: Doors are deliberately undercut to provide a path for airflow created by central heat and air systems. If the room has both a supply and return register – and is balanced as described in EcoTip:111 The undercut isn’t necessary. If you only have supplies registers in a room – but no returns – then the air must have a path to follow back to the central system to provide proper ventilation. This is provided by the space under the door. The door undercut may not be enough in which case you need to undercut it more or provide an RAP.

 

Tamarak Technologies Return Air Pathway

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 Additional Information

Suggested Review – :111

The amount of gap under the door is important to allow good air exchange and prevent pressure differences from developing in the house. Many builders cut a standard half-inch to one inch gap without understanding that size does matter. If carpet is installed, it may close the gap as well.

A 30 inch door with a half-inch gap can handle up to 25 cubic feet per minute (cfm) of air coming from the supply register in that room when the door is closed. To handle 75 cfm it would be necessary to have a 1.5 inch gap. If the gap isn’t big enough then back-drafting can occur (more on this in tomorrow’s tip).

Tamarack Technologies has informtion about the necessary door way undercuts or as an alternative you can use their Return Air Pathways (RAPs) instead of needing to undercut a huge gap under the door.

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