1 each CZ2442 Comfort Zone Heater (available at Walmart and other suppliers) Note: I purchased a second unit to use unmodified on the interior in cold weather. ($22 each)
2 each 6” x 4” HVAC Round Duct Reducer (available at local building supply stores) $5.96 each.
2 each 18 gauge wire splices ($0.50 each)
1 each Roll of aluminum duct tape ($6)
1 each Package of JB Kwik or JB Weld (available at H/W and auto stores) ($5)
1 each Can of Flat or Satin Black spray paint ($4)
2 each 4” HVAC Flexible Duct (available at local building supply stores) ($12.95 each)
2 each 4” Clamps for Duct ($2 each)
2 each Foam Seal for ends of duct to allow heat to flow in and out of heater. ($12)
1 each Strap for mounting the heater. (Added quick disconnects to ends of straps.) ($12)
Total cost $82.41.
Send an email if you would like a set of plans.