Here are some hacks for repairing air leaks using butyl tape that you can share with your customers to prevent waste of energy in time for Earth Day.
An HVAC system is an open system because most ductwork is installed in non-conditioned areas like the attic, basement, or crawl space. So when there is a leak, the ducts lose significant amounts of cooled or heated air to these large spaces. Studies have proven that leaky ducts lose up to 40 percent of heating and cooling energy.