Full Circle offers Aeroseal, which seals air ducts from the inside out! Need to pass a duct leakage test or is your home uncomfortable? We can help with Aeroseal! Some other services offered include HERS (Home Energy Rating System) Ratings (essentially a MPG for your home), blower door and duct leakage testing. Full Circle also offers consulting work for IECC-compliance, i.e. Manual J load calculations, REScheck calculations, etc.