Library

Report about a tool developed to enable users to compare a typical 1970s ranch home against an IECC 2009 code-compliant home of the same configuration and against the 70s base case plus retrofits.

Report presenting results of a laboratory experiment studying combi systems as a mode to eliminate safety issues associated with natural draft appliances.

This project analyzed combined condensing water heaters or boilers and hydronic air coils to provide high efficiency domestic hot water (DHW) and forced air space heating. Called "combi" systems, they provided similar space and water heating performance less expensively than installing two...

Guide on retrofitting insulation in cavities.

Report about cost effective energy-efficient upgrades that can be implemented in the hot, dry Southwest climate.

Article describing how replacing permanent split capacitor (PSC) motors with electronically commutated motors (ECM) can boost bottom line for HVAC contractors as well as improve customer comfort and satisfaction.

Report about a deep energy retrofit Cool Energy House.

This report discusses proposed updates to the pool pumps and motors, and portable electric spas standards in the Appliance Efficiency Regulations (California Code of Regulations, Title 20, Sections 1601 to 1609). These proposed updates are part of the 2012 Appliance Efficiency Rulemaking, Phase I...

Report describing how to construct a frost protected shallow foundation (FPSF) as a practical alternative to a deeper, more-costly foundation in cold regions with seasonal ground freezing and the potential for frost heave.

Information sheet about insulation retrofits for the hot-dry climate zones.

Information sheet about exterior insulation in the hot-dry climate zones.

Information sheet about HVAC equipment design to maximize energy efficiency in the hot-dry climate zone.

Information sheet describing solar PV upgrade for an existing homes.

Information sheet describing tankless hot water heating systems in existing homes.

Information sheet describing solar hot water systems in existing homes.

Information about a roof retrofit using a metal, cool roof system.

Information sheet describing tankless hot water heating systems in existing homes.

Information sheet about envelope and roof moisture control retrofit for a home.

Information sheet about window retrofit strategies for hot-dry climates.

Document discussing changes in testing the annual performance ratings for solar water heaters.

Website providing information about how to prevent rodent entry in homes.

Factsheet from HUD describing how to properly rebuild following natural disasters in Puerto Rico.

Factsheet from HUD describing how homeowners can retrofit homes following natural disasters in the U.S. Virgin Islands.

Factsheet from HUD describing how to rebuild following natural disasters in Puerto Rico.

Guidance from HUD on how to restore homes following natural disasters in Puerto Rico.

Guidance from HUD on how to restore homes following natural disasters in Puerto Rico.

Infographic providing details on choosing the right advanced power strip based on your habits to reduce the electricity wasted when your electronic devices are idle.

Report on hybrid ventilation methods for insulated and sealed crawl spaces.

Factsheet describing air-sealing.

Report providing retrofit measures intended to significantly reduce damage and increase occupant safety for existing buildings.

Report from FEMA describing techniques for floodproofing structures.

Report summarizing commissioning, short-term testing, and analysis that occurred before, during, and just after the actual retrofit of the Bay Ridge project.

Report evaluating the renovation of a 5,800-ft2, multiuse facility located in St. Petersburg, on the west coast of central Florida, in the hot-humid climate.

Website with consumer information about duct cleaning.

Report comparing the performance of seven differing types of residential water heating systems in a side-by-side test configuration over a full year period.

Document about testing of seven water heating systems in the Hot Water Systems laboratory in central Florida.

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 building envelope performance measures applicable to residential and small commercial construction.

Paper describing the development and testing of an affordable net-zero energy house in Lenoir City, Tennessee.

Website providing consumers with resources to find, select and install heat pump water heaters.

Initiatives of smoke-free housing policies in New York State.

Toolkits for residents and owner/managers who live and work in federally assisted housing.

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.

Report identifying the important aspects of building design and construction to enable installation of solar photovoltaic and heating systems at some time after the building is constructed.

Website describing how solar water heaters -- also called solar domestic hot water systems -- can be a cost-effective way to generate hot water for your home.

The RERH specifications and checklists take a builder and a project design team through the steps of assessing a home’s solar resource potential and defining the minimum structural and system components needed to support a solar energy system.

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.

Research study presenting a unique opportunity to both identify and evaluate deep retrofit measures that are practical and potentially cost effective for the retrofit market, as well as review the cost effectiveness of the Passive House design approach for achieving energy savings in deep retrofits.

Proposed HVAC filter labeling standard and underlying analysis by the California Energy Commission.

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 2016, and is available for...