Video duct inspection to see about reattaching or increasing return cfm, as well as having air ducts cleaned. After inspecting extension return, it is 8†hard pipe in crawlspace and is open at the end to the crawlspace air. Hard pipe is being held by duct tape only that has been deteriorated over time. Inspect supplies in attic for duct cleaning and they are mostly comprised of loose fit Mylar flex duct that has succumbed to heat damage and will likely not hold up to a cleaning. Recommend options to replace / resize / cut in new returns, and replace supplies. Attic space has poor ventilation and has a shallow roofline, recommend waiting till fall to replace ductwork if possible. If a total replacement is done, will take cost of today’s inspection Off the total for duct replacement.