Library

Handheld solar site analysis tool capturing whole-horizon images for a site and generating shading analysis reports.

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

Article providing fundamental information and recommendations for shading windows for energy savings.

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.

Study on the effects of wind, radiation, and pressure on apparent temperature.

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...

Study comparing the thermal performance of phase change materials to concrete construction during heat waves.

Webpage providing guidance on the use of thermal mass with passive heating and cooling strategies.

Technical research paper explaining how thermal mass influences heating and cooling energy needs.

Design guide providing technical information regarding building with thermal mass.

Article detailing a case study in which thermal mass was used as part of an overall Net Zero solution for a university building.

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.

Technical conference paper discussing real world experience with Trombe walls.

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.

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

Technical fact sheet describing proper operation, sizing, and installation of whole-house fans.

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

Web article providing information on how to reduce solar gains through windows.