Library

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

Report describing two retrofit duct sealing techniques - manually-applied sealants and injecting a spray sealant, that were implemented in several low-rise multi-unit buildings in North Carolina.

This report describes research conducted to evaluate air transfer between the garage and living space in a single-family detached home constructed to the 2009 IECC by a production home builder in Maryland.

Report exploring alternative methods to find long-term solutions to energy loss in 1 ½-story homes to save energy, improve comfort, prevent frost buildup on the underside of the roof deck, and reduce the risk of ice dam formation/reformation.

This case study describes costs associated with the External Thermal and Moisture Management System developed by the NorthernSTAR Building America Partnership for retrofitting roofs with rigid foam over the roof deck, especially on one and a half-story homes.

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.

Technical report describing the evaluation of four different ventilation strategies for providing make-up air in high-performance, new construction multifamily buildings in the Northeast, emphasizing the challenges posed by increasing airtightness standards and the variability of system performance...

Article describing the impact of stack effect on building performance, highlighting how pressure differences caused by temperature and height affect air infiltration and exfiltration, and detailing strategies like compartmentalization and distributed mechanical systems to manage airflow and maintain...

Article describing the stack effect in buildings.

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.

Case study about how to properly tape insulating sheathing drainage planes.

Guideline describing information and specifications relevant to air-seal existing attics.

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

Article describing airflow within buildings due to pressure differences.

Manual describing methods for rodent-proofing buildings.

Factsheet describing air-sealing.

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.