How To Build A Box Around Heater In Attic

Pull the insulation back from the two wires inside the cord.
How to build a box around heater in attic. Unfortunately my house furnace is located in the attic. Cut off the end of the power cord using the blade of a utility knife. Clean the floor around the attic stairs so the tape will adhere well. Use concrete blocks or a concrete pad to set the base of the furnace at least 4 inches above the floor to prevent any water from reaching it.
Elevate an enclosure in a basement or garage. Place the box fan face down on a work surface. Researching the web i found some opinions that folks say consider building a large insulated box around the entire furnace leaving an opening at the bottom for combustion air intake. Doing these two things would dramatically reduce the amount of warm air getting into the.
Attach the two layers of foam board together and apply them to the hatch. There are many different ways to build a soffit but this is definitely my favorite way. Make the box of 2 by 2 inch lumber with two side ladders with a top and bottom plate and vertical rails in between. Position the box over the opening making sure it is square.
Slit 3 inches in on the cord s outer insulation from the cut end using a utility knife. Tape the lid to the top of the box along one of the long edges with foil tape. Cut a piece of foam the size of the exterior dimensions of the box for the lid. I leave in nh so in the winter time it gets pretty cold up here.
Build a framing box the length width and depth of the duct you will cover.