Hi group. Does anyone here have an fresh air make up system for their
furnace that has an electrically controlled damper ? I know in the past
home owners just ran an air duct to the outside, but this caused an cold
basement.I would like to install an system if it is cost effective.

Sal

sal wrote:
Hi group. Does anyone here have an fresh air make up system for their
furnace that has an electrically controlled damper ? I know in the past
home owners just ran an air duct to the outside, but this caused an cold
basement.I would like to install an system if it is cost effective.

Sal


What you really need is an energy recovery ventilation
system. Some of them can be quite expensive. Here's
some information on the subject.

http://en.wikipedia.org/wiki/Energy_...ry_ventilation

http://www.enthalpypump.com/

http://www.fantech.net/hrv_erv.htm

[8~{} Uncle Monster

Uncle Monster wrote:

sal wrote:
Hi group. Does anyone here have an fresh air make up system for their
furnace that has an electrically controlled damper ? I know in the past
home owners just ran an air duct to the outside, but this caused an cold
basement.

What you really need is an energy recovery ventilation system. Some of
them can be quite expensive. Here's some information on the subject.

An average US house naturally leaks about 200 cfm,
so most of them don't need ERVs.

Nick

wrote:
Uncle Monster wrote:

sal wrote:
Hi group. Does anyone here have an fresh air make up system for their
furnace that has an electrically controlled damper ? I know in the past
home owners just ran an air duct to the outside, but this caused an cold
basement.

What you really need is an energy recovery ventilation system. Some of
them can be quite expensive. Here's some information on the subject.

An average US house naturally leaks about 200 cfm,
so most of them don't need ERVs.

Nick

Years ago I was in a house so tight that
when you turned on the bathroom vent, it
pulled air down the fireplace chimney.

[8~{} Uncle Monster