How To Build A Box Around Heater In Attic
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I leave in nh so in the winter time it gets pretty cold up here.
How to build a box around heater in attic. Place the box fan face down on a work surface. 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. Unfortunately my house furnace is located in the attic.
Build a framing box the length width and depth of the duct you will cover. This video shows how to build a soffit around ductwork. Cut a piece of foam the size of the exterior dimensions of the box for the lid. Install fiberglass batt insulation on top of the foam board.
Cut off the end of the power cord using the blade of a utility knife. There are many different ways to build a soffit but this is definitely my favorite way. Cut out two pieces of rigid foam board that are 1 4 inch smaller than the hatch so homeowners can slide the attic access panel open easily. Pull the insulation back from the two wires inside the cord.
Position the box over the opening making sure it is square. Elevate an enclosure in a basement or garage. Make the box of 2 by 2 inch lumber with two side ladders with a top and bottom plate and vertical rails in between. Tape the lid to the top of the box along one of the long edges with foil tape.
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.