Library

Factsheet describing techniques for installing ductless heat pumps in cold climate locations.

Report describing the objective evaluation of space conditioning interactions between heat pump water heaters and home heating systems during winter 2016-2017, revealing a smaller than anticipated impact on space conditioning loads.

Report on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Guidance on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Report presenting lab evaluation of five heat pump water heaters available in the US market today.

Report proposing mini-split heat pumps as a new retrofit option to replace resistance heating in the Pacific Northwest.

Report describing research conducted to support California’s Title 24, Part 6 Building Energy Efficiency Standards by analyzing the impact of installation location and ventilation on heat pump water heater (HPWH) performance, emphasizing the need for proper installation to maximize efficiency...

Web article describing two options for sizing ductless minisplit heat pumps, including a free HVAC sizing tool.

Factsheet describing the concept of load paths and the important connections in a wind uplift load path; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Report on the long-term performance of mini-split heat pumps.

Report identifying the target market for solar water heaters and potential pathways and cost/performance targets that must be met for these systems to realize large energy savings.

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.

Research study outlining results of monitoring a low temperature heat pump.

This report investigates whether mini-split heat pumps can live up to their potential for one market segment: multifamily retrofits.

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...

Study in which a central heat pump water heater system was monitored in detail and used to create a model for assessing similar systems in various climates.

Online geospatial map with interactive viewer showing flood risk areas and base flood elevations

Brochure outlining what is covered under 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.

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.

Report describing the interactions, both positive and negative, between common green building practices and the robustness of residential buildings to withstand natural hazards.

Database compiling extended capacity data for numerous cold climate heat pump manufacturers and models.

Guide for electrical systems design including installation guidance and best practices for flood-prone areas.

Guide for fuel systems design including installation guidance and formulas for calculating loads and buoyancy forces for specifying number, type and capacity of strapping for hold-downs in flood-prone areas.

Document describing guidance and requirements for flood openings in walls at and below grade.

Document on the development of two simple in-home efficiency test methods that can be used by technicians, researchers, or interested homeowners to verify the correct operation and energy efficiency of a homes air conditioning and heating equipment.

Report providing quick reference guide information to help a family prepare for hurricane season, including seven steps to a wind resistant home, a wind inspection checklist, and how to find a contractor.

Report providing guidance on protecting foundation walls and enclosures from flood damage.

Report describing the key findings from the first third-party field validation of 120-volt heat pump water heater (HPWH) technology, addressing the significant barriers to their adoption and emphasizing their potential role in reducing carbon emissions from residential water heating.

Report describing a laboratory assessment on the performance of Rheem 120-volt heat pump water heaters (HPWH), aimed at identifying optimal installation locations for these new "plug-in" models based on comprehensive testing under various conditions.

Webpage for home owners describing ways to prepare indoor and outdoor fuel tanks to avoid displacement during floods.

Database describing FEMA preparedness webinars including natural hazard preparedness.

Report covering reducing risk from flooding.

Brochure describing multiple flood safety measures for homeowners to take, including home renovation suggestions, yard maintenance, and additional resources.

Brochure describing multiple storm surge (coastal flooding) safety measures for homeowners to take, including home renovation suggestions, yard maintenance, and recovery advice.

Guide describing flood protection measures for utility systems, including mechanical, electrical, plumbing, and fuel.

Webpage describing how to elevate major appliances in case of a flood.

Flyer describing reasons and best practices for raising electrical systems above flood-levels.

Report providing strategies to support occupant behavior changes for enhancing resilience, and to reduce a building's vulnerability to extreme weather, climate change, and loss of power.

Report covering the reconstruction of flood damaged homes.

Report providing recommended designs and guidance for rebuilding homes destroyed by hurricanes in the Gulf Coast.

Fact sheet describing best practices in installing leak-free refrigerant systems, including specifics on creating flare joints and brazed joints, pressure testing, vacuum testing, and charging the system with refrigerant.

Guide providing information for professional builders and contractors rehabbing flooded single-family houses with emphasis on safe practices and the most important activities in the rehab process.

Fact sheet describing NFIP requirements for repairs, remodeling, and additions, and discussing opportunities for retrofitting in coastal flood hazard areas with recommendations for exceeding the minimum NFIP requirements; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction...

Fact sheet describing requirements and opportunities for retrofitting, and making “best practice” recommendations for repairs, remodeling, and additions in coastal high wind areas; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Technical bulletin describing National Flood Insurance Program (NFIP) requirements for flood openings in foundation walls and walls of enclosures below elevated buildings.