Library

Fact sheet describing a report providing best practices for reducing damages from floods to manufactured homes.

Fact sheet providing an overview of the FEMA document Wind Retrofit Guide for Residential Buildings.

Guide providing engineering seismic design and building practices based on post-earthquake research.

Article describing methods for venting a vented attic and a roof assembly over an unvented attic.

Report describing the results of a field study of five different ventilation system types in 29 homes in the Pacific Northwest.

Report describing an air distribution system composed of a series of uniformly-sized ducts that terminate in rooms throughout the home and return to a central manifold, similar in fashion to a “home-run” cross-linked polyethylene plumbing system.

Energy Star web page providing guidance on attic ventilation.

Report (1) compares existing measurement methods, based on field testing in a wide range of buildings, (2) presents the development of two new methods to directly measure exterior and interior leakage of an attached unit, and compares to existing methods; and (3) experimentally evaluates the...

Technical report describing the SPS (Structural Panel System), an innovative implementation of the "perfect wall" concept, situating environmental control layers on the exterior side of structural components for improved constructability, cost-effectiveness, and performance, validated through the...

Report describing two retrofit duct sealing techniques - manually-applied sealants and injecting a spray sealant, that were implemented in several low-rise multi-unit buildings in North Carolina.

Article describing how an airtight home shell helps achieve a tight envelope that is energy efficient and cost effective.

Manual describing best practices or home construction in Alaska and northern climates.

ASHRAE Standard prescribing an field evaluation and test method to measure and score the performance of unitary HVAC systems.

This ANSI/RESNET/ICC standard provides a consistent, uniform methodology for evaluating the airtightness of building, dwelling unit, and sleeping unit enclosures and heating and cooling air distribution systems, and the air flows of mechanical ventilation systems.

Standard covering updates to the expected leakage rates for ductwork constructed to the SMACNA HVAC Duct Construction Standards—Metal & Flexible, duct leakage test procedures; includes recommendations on use of leakage testing, types of test apparatus, and test setup and sample leakage analysis.

Report covering moisture and leakage issues associated with spray foam insulation application to the underside of roof sheathing.

Standard establishing test methods for determining air leakage in duct systems using fan pressurization in low-rise residential and commercial buildings.

Document providing background and approach for the prep work necessary prior to adding attic insulation - focusing on combustion safety, ventilation for indoor air quality, and attic ventilation for durability.

Report about a project that examines implementation of advanced retrofit measures in the context of a large-scale weatherization program and the archetypal Chicago, Illinois, brick bungalow.

NREL webpage of standard work specification of exterior and interior, attic floors, attic knee walls, and unique installations.

Technical article describing issues and moisture concerns related to weatherization efforts.

Article describing the building science implications of insulating vented or unvented attics.

Article describing the research into insulating vented versus unvented attics.

Report describing approaches to insulating basements in homes built to meet Energy Star levels of performance of heat loss reduction.

Article from California Earthquake Authority on the benefits of retrofitting homes to withstand earthquake forces, with a focus on foundations, walls, and chimneys.

Information sheet about insulating slabs.

Document providing guidance to U.S. home builders who want to accept the challenge.

Fact sheet describing research sponsored by DOE's Building America program to research the importance of attic air-sealing and best practice attic air-sealing techniques for new and existing homes.

Document about testing software predictions of retrofit energy savings in existing homes.

Document providing an example procedure for establishing acceptance-range criteria to assess results from software undergoing BESTEST-EX.

Article describing the control layers (air, thermal, and vapor barriers) needed to build homes successfully in very cold locations.

California Office of the State Fire Marshal's homepage for the Building Materials Listing Program, providing builders, contractors, architects, and others with access to a database of fire alarm systems and fire-resistant construction materials including roof coverings, wall, ceiling, and floor...

California Office of the State Fire Marshal's compiled and searchable list of different building materials and their test results for fire resistance.

Report about the fundamental concepts that must be understood at the planning or initial nspection of existing homes regarding surface and ground water management.

Article describing correct ways to eliminate water damage by incorporating a sacrificial layer to foundation walls and footings.

Information sheet with information about insulating and ventilating attics.

Report summarizing the key opportunities, gaps, and barriers identified by the national laboratory white papers discussing long-term 50% energy reduction goals.

Report recording the results of a field study conducted in a single historic home in Seattle, Washington, to document the performance of Indow Windows' interior storm window inserts.

Report aimed to quantify the impact of closed crawlspaces in new homes, and investigate modeling software to ensure accuracy of energy consumption predictions in these homes.

Guide about designing and installing closed crawlspaces in the Southeast.

Volume 1 of a two-volume report providing a comprehensive approach to planning, siting, and risk management for homes constructed in coastal environments.

Website discussing building foundation problems caused by settling soil in Colorado.

Report about instrumentation and limited short-term testing completed on a retrofit unoccupied test house in Fresno, California.

Report on heating and cooling air-distribution ducts that are insulated, installed close to the ceiling in a vented attic and covered with attic insulation to minimize energy loss.

Research study comparing various retrofit models in Wisconsin to evaluate performance in terms of savings per home and program cost per home to assess the relative cost effectiveness of each program design.

Information guide describing issues with concrete floors, in multiple climate zones.

Document discussing moisture considerations and testing techniques for concrete floors.

Report covering insulating crawlspaces.

Article describing the process of constructing concrete walls

Article describing the difference between conditioned or unvented attics and unconditioned or vented attics.