- Posts 1
Last Activity:03-01-2014 5:09 PM
Posted in thread: Is outside air really needed for a furnace? on 03-01-2014 at 04:09 PM
we have a large 8" fresh air intake in our furnace room in the garage. we also have a tankless
water heater in the same room. this is the 2nd time my water pipes have frozen this winter. It
is -12F ou...