Library

Report on two approaches to retrofitting existing double-stud walls.

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

FEMA Mitigation Assessment Team Report describing damages from Hurricane Michael in Florida in Oct. 2018 and recommendations for future hurricane preparedness.

Database compiling extended capacity data for numerous cold climate heat pump manufacturers and models.

Document providing supplemental information for code enforcement professionals about headers in nonbearing walls.

A website providing information on the purpose of burners and the components used in burners.

Website providing guidance on passive heating, cooling, and lighting methods.

Article from Williams College on the key elements of passive solar design for homes.

Article investigating how a linear input/output relationship can be used as a simple model of the performance of a combination hydronic heating system over heating only, DHW only, and combined loads.

Blog article describing considerations for how to use trees for shading to reduce cooling energy demand.

Webpage describing a DOE Cold Climate Heat Pump Challenge. The challenge engages industry partners and focuses around the Cold Climate Heat Pumps, a more environmental and efficient heating alternative to traditional heating.

Paper covering a parametric study of foundation heat exchanger-based ground source heat pump systems for several house configurations in a range of European locations, with an emphasis on determining feasible combinations.

DOE report characterizing the installed base of windows and window coverings, and how users operate window coverings in order to enable precise quantification of energy savings.

Fact sheet describing how to install bracing to retrofit roof dormers for increased wind resistance.

Study conducted to help determine cost-effective solutions for heating and cooling houses that are designed to be energy efficient.

A research paper exploring the design, installation, repair and maintenance of solar water and pool heating technologies.

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

The Technician's Guide equips practitioners with the knowledge to properly implement all of the measurement procedures required in the HVAC QI Specification.

DOE-sponsored report describing the experimental design and results of testing the energy performance of Hunter Douglas double-cell cellular shades under various control schemes in the Pacific Northwest National Laboratory’s Lab Homes.

Conference paper summarizing the relative performance of currently available Heat Pump Water Heaters (HPWH) models, the energy implications of different installation locations (garage, basement, or conditioned space) and ducting configurations (exhaust ducting, full ducting, or no ducting), as well...

Case study of new home construction in the hot-dry and mixed-dry climate zones.

Article describing thermal bridging, construction practices that encourage thermal bridging, and solving thermal bridging through continuous exterior insulation.

Guide from Energy Star on smart thermostats and offering some guidance for choosing one.

This report describes the results of a multiyear research project that investigated the energy savings attributable to thermostatic radiator valves (TRVs) installed on one-pipe steam distribution systems.

Presentation report detailing Heat Pump Water Heater (HPWH) interaction with space conditioning systems in real-life test scenarios that explains some of the problems arising from these interaction and information that can be used to make the system more efficient.

Technical fact sheet highlighting important building connections and illustrating the proper use of various types of connection hardware; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

This study uses a computer simulation approach to examine the energy and indoor air quality implications of passive and hybrid ventilation systems.

Fact sheet providing information on window attachments and their potential for improving energy efficiency.

Manual providing engineered and prescriptive design requirements for wood frame construction used in one and two-family dwellings.