Hosted on MSN3mon
This Bill Gates-backed startup fixes leaking ductwork with 'chewing gum' material: 'Most people should be able to save … $500 to $600 per home'But leaky ducts can make our HVAC systems up to 20% less efficient ... sealant — made with a material similar to chewing gum — into a home's air ducts to seal gaps and other cracks.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback