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Deep Retrofit

The term “deep” energy retrofit refers to a practice that goes well above and beyond the current common practice of performing energy efficiency work. This involves substantially improving the exterior building envelope with aggressive, emerging insulating practices (e.g. installingpolyurethane rigid panelinsulation, application of open cell polyurethane spray foam insulation after buildout), installing new or relocating existing windows, sealing the below grade foundation to the wall connections and sealing the roof to the wall connection with insulation that also provides an air barrier.

The following mechanical practices are then implemented to complete the overall retrofit; incorporation of whole house ventilation and downsizing the mechanical plant typically found in residential buildings. Performing this retrofit with attention to detail and comprehensively, will typically reduce the whole building energy load by 60 – 75%. We believe these energy load reductions are necessary and offer a great opportunity to teach contractors of the possibilities and raise the awareness of homeowners to request this work. The objective of the ABP is to always educate, lead by example and prime the resources for deployment to a larger group.

Examples of various stages and forms of deep retrofits are available in the brochure: Field Documentation from the Deep Energy Retrofits. [PDF|4.6MB]

Howard Ave.
Utica, New York
Measured Air Exchange (CFM 50): 3,550 / 1,004
Annual Therm Reductions: 47%
Howard Ave.
Taylor Ave
Utica, New York
Measured Air Exchange (CFM 50): 7,400 / 1,415
Annual Therm Reductions: 52%
Taylor Ave
Noyes St.
Utica, New York
Measured Air Exchange (CFM 50): 4,900 / 937
Annual Therm Reductions: 49%
Noyes Ave.
Liberty St.
Rome, New York
Measured Air Exchange (CFM 50): 3,773 / 1,657
Annual Therm Reductions: 62%
Liberty St.
Last Updated: 04/16/2013