central furnace chimney removal

Hi,I have a 2 storey, 100 year old house (1200 sq ft living space) in zone 7.  i have switched to ductless heat pumps and have stopped using my oil… Hi,I have a 2 storey, 100 year old house (1200 sq ft living space) in zone 7.  i have switched to ductless heat pumps and have stopped using my oil…Read MoreGreenBuildingAdvisor