Library

A webpage outlining CAL FIRE’s recommendations for creating defensible space.

Webpage from Boston Solar describing how solar plus storage options can be beneficial for maintaining electricity during power outages.

Web article describing many ways homeowners, contractors, and builders can make homes more resistant to hurricanes, tornadoes, high winds, floods, and hail.

Factsheet describing how to test the duct leakage of a manufactured home in the manufactured home factory.

Guidebook providing useful examples of high performance retrofit techniques for the building enclosure of wood frame residential construction in a cold and somewhat wet climate.

Document pertaining to design and application guidance for combination space and tankless domestic hot water heating systems used in residential buildings, based on field evaluation, testing, and industry meetings.

Document intended for designers and installers of hydronic heating systems interested in maximizing the overall system efficiency of condensing boilers when coupled with baseboard convectors. It is applicable to new and retrofit projects.

This Measure Guideline provides design and construction information for a deep energy enclosure retrofit solution of a flat roof assembly.

Measure Guideline research report providing simple, long term, and durable solutions when using tapes and flashing membranes in conjunction with the exterior face of rigid polymeric foam sheathing to create the drainage plane of a wall system.

Guideline describing information and specifications relevant to air-seal existing attics.

Document with evaluation of 14 heat pump water heaters (including three recently released HPWH products) installed in existing homes in the northeast region of the United States.

Report providing guidance on how to implement a compact duct system inside a plenum truss bulkhead of a one-story, slab-on-grade home.

Report describing recommendations for optimizing flexible duct, constant-volume HVAC systems using junction boxes.

Document covering the technical aspects of buried and insulated ducts (BEDs), as well as the advantages, disadvantages, and risks of BEDs compared to alternative strategies.

Report describing the sealing and insulating of HVAC duct systems in existing homes.

Document illustrating guidelines for efficient installation of interior duct systems in new housing.

Document developed to help residential builders and retrofitters transition from tank-type water heaters to tankless water heaters.

Study investigating measured cooling energy savings in homes across the U.S. from the installation of roofing with higher solar reflectance.

Study investigating measured cooling energy savings from the installation of wall finishes with higher solar reflectance.

Research study analyzing measured energy savings from a moderate retrofit by comparing post-retrofit performance with measured pre-retrofit monitored data.

Paper describing energy savings in space cooling from shading condenser units.

Technical article presenting the results of an analysis on the effect of insect screens on window solar heat gain coefficients and U-values.

A presentation describing the standards regarding who is responsible for what part of the design to ensure the roof truss is properly designed and braced.

A Recovery Advisory guide reccomending practices for designing and installing metal roof systems that will enhance wind resistance in high-wind regions (i.e., greater than 90-miles per hour [mph] gust design wind speed).

Standard that prescribes a testing method to determine the efficiency of space heating and/or cooling thermal distribution systems under seasonal and design conditions. This version of the standard was published in the year 2014, and is available for preview and purchase at the reference link. The...

Report covering the selection of roof vents for rainwater resistance.

Factsheet describing smart practices for minimizing damage to residential electrical service components during coastal and riverine flood events.

Standard using performance-based principles to determine dead, live, soil, flood, tsunami, snow, rain, atmospheric ice, earthquake, wind, and fire loads, and their combinations for general structural design. This version of the standard was published in the year 2016 and is available in both digital...

Standard using performance-based principles to determine dead, live, soil, flood, tsunami, snow, rain, atmospheric ice, seismic, and wind loads, and their combinations for general structural design. The current version of this standard was published in the year 2022 and is available in both digital...

Standard using performance-based principles to determine dead, live, soil, flood, snow, rain, atmospheric ice, earthquake, and wind loads, and their combinations for general structural design. This version of the standard was published in the year 2010 and is available in both digital and print...

FEMA mitigation assessment team report following Hurricane Charley in Florida including observations, recommendations, and technical guidance for retrofitting hurricane-damaged homes.

FEMA report describing findings from an investigation of Hurricane Ike in Texas and Louisiana and residential construction recommendations based on those findings.

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

Report providing a resource that communities can use to identify and evaluate a range of potential mitigation actions for reducing risk to natural hazards and disasters.

This report requires all elements of rooftop PV panel systems to be designed for component and cladding pressures per ASCE 7-10.

Report on the use of vapor diffusion ports to reduce moisture issues with buried ductwork in unvented attics in hot-humid climates.

Worker guidance from EPA, HUD, NIH, and OSHA on how to deal with mold in homes following natural disasters.

Report detailing a three-winter study on unvented roof assemblies in a cold climate, assessing insulation material, ridge diffusion vent presence, vapor control membranes, relative humidity, and interstitial airflow. Results indicate that utilizing air-permeable fibrous fill insulations in unvented...

Report detailing a three-winter study on unvented roof assemblies in a cold climate, assessing insulation material, ridge diffusion vent presence, vapor control membranes, relative humidity, and interstitial airflow; results indicate that utilizing air-permeable fibrous fill insulations in unvented...

Conference paper making the case that moving ducts to conditioned space saves energy, is practical for production builders (when accompanied by careful pre-planning), and creates significant andmarketable energy savings for homebuyers.

List of products approved by the Master Painters Institute.

Brochure outlining what is covered under the National Flood Insurance Program

Glossary of terms used by the National Flood Insurance Program

Resources describing the National Flood Insurance Program's technical bulletins for flood zone construction, including foundation walls, corrosion protection, floodproofing, and breakaway walls among other topics.

Website providing information on tsunamis, earthquakes, tornadoes, hurricanes, thunderstorms and more.

A website issuing watches, warnings, forecasts, and analyses of hazardous tropical weather and increasing the understanding of hazards.

This report is designed to meet ASHRAE 62.2-2010/2013 and ANSI/ACCA’s 5 QI-2015 protocol, thereby improving the performance of HVAC equipment in new homes when compared to homes built to minimum code.

The Saffir-Simpson Hurricane Wind Scale is a 1 to 5 rating based on a hurricane's sustained wind speed.

Report updating and expanding on a 2005 study that found, among other things, that every $1 of natural hazard mitigation funded by FEMA between 1993 and 2003 saved the American people an average of $4 in avoided future losses.

Website containing USGS-related publications related to natural hazards.