Library

Report about a project with successful integration of numerous energy-conservation and renewable-energy features into a beautiful, comfortable, and very energy-efficient off-grid home.

Report discussing the measured variability in indoor space temperatures in a set of 60 homes located in Florida, New York, Oregon, and Washington.

Fact sheet describing the results of an analysis of humidity control and variable refrigerant flow (VRF) system efficiency in three new multifamily buildings in New York, NY.

Information sheet about proper ventilation and air sealing.

Standard that defines the roles of and minimum requirements for mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality in low-rise residential buildings. This version of the standard was published in the year 2010, and is available for...

Standard that defines the roles of and minimum requirements for mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality in low-rise residential buildings. This version of the standard was published in the year 2013, and is available for...

Standard that provides procedures and methods for meeting minimum ventilation and indoor air quality requirements to engineers, design professionals, owners, and jurisdictional authorities where model codes have been adopted. This is the current version of the standard, which was published in the...

Report summarizing NRELs efforts to develop diagnostic test cases to conduct accurate energy simulations when phase change materials (PCMs) are modeled in residential buildings.

Report describing concentrations of 54 volatile organic compounds (VOCs) and ventilation rates that were measured in four new manufactured houses over 2 - 9.5 months following installation and in seven new site built houses 1 - 2 months after completion.

State building energy code for the State of Washington.

Report describing a field study of 31 homes to test envelope and duct leakage and fan flowrates, and to determine ventilation operation characteristics.

A info sheet providing information on ENERGY STAR certified water heaters and the various criteria water heaters must undergo to become ENERGY STAR certified, including metrics on efficiency and performance.

A preparedness guide guiding homeowners on how to secure an indoor home water heater safely to wall studs.

Website containing useful resources regarding central heat pump water heater systems.

Guide designed to help builders better understand and meet the hot water delivery system criteria as specified in EPA's WaterSense New Home Specification.

Report evaluating performance/efficiency of central heat pump water heaters and quality assurance/quality control processes in system startup, operation and efficiency program participation.

Webinar presenting best practices in HVAC design and commissioning

EPA coronavirus Q&A discussing the role of HVAC filters in dealing with COVID-19.

Factsheet describing the importance of system charging, superheat and subcooling.

Article discussing the risks that can occur from undercutting bedroom doors to provide return airflow from bedrooms, as well as corrective measures that can be taken to address these risks.

Conference paper presented at the 2020 Summer Study on Energy Efficiency in Buildings presenting the results of an evaluation of control strategies used when new mini-splits are installed in a home with an existing HVAC system.

Wepage providing information on ENERGY STAR certified gas tankless water heaters with information on how they cut water heating expenses as well as a product finder tool to find ENERGY STAR certified products.

Brochure about how to install and use a whole-house fan.

Report summarizing results from a case study about whole-house mechanical ventilation systems in Chicago.

Report describing work conducted by the Building Science Corporation (BSC) Building America Research Teams Energy Efficient Housing Research Partnerships project.

Article about one way to deal with the cold-water surprise effect of tankless water heaters.

Document about proper HVAC system sizing.

Report outlining the features of a test house built in Silver Spring , Maryland, and discussing the implementation of the energy efficient design, and reports on the short-term testing results.

Article describing sustainable community development of near zero energy homes in Greenfield, Massachusetts.

Report describing the design and construction of a highly energy efficient community of ten duplexes in Greenfield, Massachusetts.