That's true for just a bout everything these days. I've never had a problem
wit a furnace causing noise though.
----- Original Message -----
From: "John Sherrer" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, June 21, 2011 1:17 PM
Subject: Re: line noise and causes
> The parts made for all furnaces and Central Air are made by the same
> company. The only difference between companies is the outside sheet metal
> and warranty.
>