Library

Report describing testing and analysis on deep energy retrofits of existing single-family homes in the U.S.

Article describing correct ways to eliminate water damage by incorporating a sacrificial layer to foundation walls and footings.

Report on the stability of furring strips as a means for cladding attachment over walls with thick exterior rigid insulation.

Research report anayzing the results of a large retrofit project, turining an old school into near zero energy consumption apartments in Greenfield MA.

Report covering exterior energy retrofits of masonry buildings.

Research study describing experiments run in an unoccupied 1600 square foot house to evaluate the delivered performance as well as the relative performance of a SEER 21 variable capacity heat pump versus a SEER 13 heat pump.

Homebuilding’s simple payback estimator for an insulation upgrade – the type and amount of insulation, square footage of the area, recent utility bill, and a quote from insulation contractor.

Information sheet briefly summarizing double stud with spray foam wall construction including the advantages and disadvantages of this construction strategy.

Information sheet that summarizes Insulated Concrete Form (ICF) construction including advantages and disadvantages of this construction strategy.

Report analyzing results in crawlspace retrofits in multifamily buildings.

Case study describing novel technique for installing exterior spray foam on foundation walls that uses high-pressure water sprayer and a “hydro vac” to remove dirt along the foundation wall.

Article describing frost-protected shallow foundations with construction drawing details.

Guidance on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Article describing methods for insulating and air sealing vented and unvented roofs in various climates zones.

This report investigates whether mini-split heat pumps can live up to their potential for one market segment: multifamily retrofits.

Technical study exploring the impact of different installation faults on heat pump performance in a single-family house.

Website providing consumers with resources to find, select and install heat pump water heaters.

A research paper discussing the use of foundation heat exchangers for ground source heat pump systems in European climates.

Report describing Net Zero house design with sloped roof assemblies.