WHEN USED IN REFERENCE TO HOUSES, THIS WORD MEANS THE SAME AS REMODELING. IT IS THE ADDITION OF REPLACEMENT DOORS, WINDOWS, SIDING, VENTS, ETC.
The application of a solar heating or cooling system to an existing building.
The installation of additional features such as insulation, composting toilets or solar panels after a building has been completely finished.
The replacement of existing water fixtures, appliances and devices with more efficient fixtures, appliances and devices for the purpose of water conservation.
The upgrading of an existing building to meet code requirements (i.e. for fire or emergency exits) and increase comfort and safety, e.g., installation of new insulation, storm windows, smoke detectors, fire sprinklers, new heating and new electrical systems.
Adding or replacing items on existing buildings. Typical retrofit products are replacement doors and windows, insulation, storm windows, caulking, weatherstripping, vents, landscaping.
