Description: This product is a 2-in-1 system used to seal HVAC refrigerant lines when penetrating through exterior walls from air leakage (Airex Titan Outlet™) and to protect insulation (Airex E-Flex ...

HVAC system sized properly? Check. Tested and balanced? Check and check. But there is another step that some contractors may be forgetting: protecting the refrigerant line sets that connect the ...