Library

Factsheet describing air-sealing.

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

High-density sidewall cavity insulation can be a major comfort and savings boost. It saves energy by slowing both conductive and convective losses, but only if the right things are done and done right. This always requires site-specific thinking.

Fact sheet describing field validations of a smart ventilation system to assess its effectiveness in assisting low-load homes in humid environments by maintaining acceptable indoor humidity conditions while ensuring adequate ventilation and indoor air quality.

Webpage describing the STEP campaign encouraging the use of smart diagnostic tools to reduce installation faults.

Fact sheet outlining the research behind how smart ventilation controls boost energy efficiency and indoor air quality, including research findings from seasonal temperature, timer, and real-time weather-based controls showing that all three systems showed potential for energy savings while...

Guidelines to assist builders in designing and constructing homes equipped with a set of features that make the installation of solar energy systems after the completion of the home’s construction easier and less expensive.

Specifications to assist builders in designing and constructing homes equipped with a set of features that make the installation of solar energy systems after the completion of the home’s construction easier and less expensive.

This document covers a description of the need and applied solutions for supplemental dehumidification in warm-humid climates, especially for energy efficient homes where the sensible cooling load has been dramatically reduced.

This guide and workbook offers practitioners with the knowledge to properly implement the measurement and documentation procedures required in the ANSI/ACCA 5.

Brochure with information about how to select and install house wrap and other weather-resistive barriers.

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...

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.

Report on a project conducted to better understand the current usage of thermostatic radiator valves by key market players in steam and hot water heating and to conduct limited experiments on the effectiveness of new and old thermostatic radiator valves as a means of controlling space temperatures...

Information sheet about types and installation of insulation.

Tool designed to find utility partners that can help with the installation of EV chargers.

Guide providing information about controlling rainwater through use of drainage planes.

Users guide to help contractors and homeowners use the Cold Climate Heat Pump Sizing Support Tools developed by NEEP to size and select the best air source heat pumps for their cold climate location.

Report summarizing results from a study in Massachusetts that aimed to upgrade existing homes and incorporate solar thermal systems.

Publication with installation guidance for vinyl siding.

Report summarizing current research, summarizes issues that have been experienced with current best practices, and recommends ways in which the best practices can be improved for water managing sheathings.

Webpage describing how to flashing installation

Webinar presenting best practices in HVAC design and commissioning

Document describing different spray foam materials including some pros and cons and technical specifications.

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