4

There are a several things you need to do. Remove the fan from the heating duct. This will entail properly wire-nutting the wires and terminating them in a junction box that is covered but left accesible per code. If the fan is on it's own circuit (unlikely) you would want to shut down that breaker. Importantly, you want to mark the new junction box and any ...


3

I think the round circle is part of the fan (it's the mounting bracket). When you remove the fan, you may be left with a rectangular hole to cover. They sell Duct End Caps:


2

The concrete plug can be easily chipped out when the need for the cleanout arises.


1

Two separate issues here: Attics Get Hot! This is a fact of life. Attics heat up from the sun all day long. Color and type of roof can make some difference (reflection vs. absorption), but it is quite normal for an attic to get really hot. The usual solution is an attic fan. This can be thermostatically controlled so it only runs when hot. For an attic fan ...


1

Every residence, excluding the ISS, submarines and similar special cases, needs a certain amount of makeup air. Newer buildings tend to let in far less air as a way to improve energy efficiency, but there is always some air coming in or else you would end up with too much CO2 and not enough O. See Apollo 13 or a report of a mine disaster for details. That ...


1

If you are going to do this you might as well go all the way. The housewrap is kind of like saying you are cold so you put on some underwear. Might warm you up a little but being fully clothed is what you want. If you are taking the siding off you should be throwing up (at least) 1" XPS rigid sheets. I prefer to put the housewrap up first and then ...


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