Library

Article describing how air speed affects thermal comfort and how fans can provide energy savings.

Study using simulations to understand the impact that shading and natural ventilation would have had on the survivability of non-air-conditioned buildings during the 2021 heat wave in the Pacific Northwest.

Fact sheet providing information on how to identify issues and improve performance in central exhaust systems.

Report detailing natural ventilation and passive airflow systems.

This research study used pollutant measurements, home inspections, diagnostic testing and occupant surveys to assess IAQ in 24 new or deeply retrofitted homes designed to be high performance green buildings in California.

Article describing the correct installation of clothes dryer exhaust ducts.

This document covers how broken windows can allow wind and rain inside the house and even lead to roof failure.

Article describing what evaporative coolers are, how they work, different types, performance, where they are appropriate, and how to install and maintain them.

Fact sheet describing the newly developed Ventilation-Integrated Comfort System (VICS) that reduces space requirements and eliminates costly ductwork for separate heating, cooling, and ventilation systems, all while enhancing performance, addressing the demand for energy-efficient homes, and...

Report describing the results of a 21-home field study investigating the effectiveness and failure rates of whole-house mechanical ventilation systems installed in Florida homes over the last 15 years.

Report covering reservoir claddings, back ventilation and vapor throttles.

Report discussing how to create livable space in the attic that meets IRC code requirements by either creating a ventilated roof assembly, or and unvented attic assembly.

Blog article citing the risks and downsides of attic ventilation fans from a building science perspective.

Web page describing how to identify heat-related illness and how to prevent it.

Article from University of Arizona on keeping homes cool during extreme heat, both personal and system changes.

Report targeting the growing number of homes utilizing deep retrofit measures and new construction practices to realize sufficiently lower infiltration levels that require mechanical ventilation as prescribed by ASHRAE Standard 62.2.

Paper describing vegetation impacts on cooling load for buildings.

PDF literature review of the impact and need for attic ventilation in Florida homes.

Book detailing passive cooling methods including airflow methods, evaporative cooling, and earth cooling.

News article describing the state of the residential battery storage market.

Report focusing on managing the driving forces that move air and water vapor across the building envelope.

Report describing the use of passive vents as a source of outdoor air in multifamily buildings.

This document addresses adding—or improving—mechanical ventilation systems to existing homes. The purpose of ventilation is to remove contaminants from homes either directly or by dilution. This report discusses where, when, and how much ventilation is appropriate in a home, including some...

Guide describing proper application, design, and installation of mechanical ventilation cooling systems for homes located in hot-dry and cold-dry climates, as well as a means of understanding the benefits, costs, and tradeoffs of these systems.

Report describing the most cost-effective ventilation and indoor air quality solutions for multifamily homes that meet ASHRAE 62.2-2016.

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.

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.

Standard establishing a test procedure for evaluating the performance of air-cleaning devices as a function of particle size. This is the current version of the standard, which was published in the year 2017, and is available for preview and purchase at the reference link. The ASHRAE bookstore also...

Document describing a hygrothermal modeling study, including all of the US climate zones, a range of interior humidity levels and numerous arrangements and types of insulation.

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...

Research study examining the performance of existing multifamily ventilation central systems and explored alternative solutions in retrofit situations.

DOE Energy Saver webpage providing a brief summary of natural ventilation for houses.

Webpage presenting updated maps for annual average temperature and precipitation in the contiguous U.S.

Document describing recommended modeling rules, potential compliance credits, and eligibility criteria for residential night ventilation cooling systems for California’s Title 24 energy efficiency standards.

Newsletter providing news and information to members of the New Jersey National Guard.

Fact sheet describing a novel, simplified air delivery system using a plug-and-play model that features 3-inch diameter flexible ducts, efficient fittings, and a simplified installation process that resulted in successful market engagement through commercialization.

Report describing a field study to measure pollutant concentrations in 324 homes in California.

Article from Smarter Homes NZ on home building techniques that incorporate passive cooling.

Book describing passive cooling techniques from a technical and academic perspective.

This study evaluated 11 measures for passive cooling using four heat resilience metrics with and without grid power in Fresno CA and found the two most effective measures were installing solar-control window films and adding roof insulation; natural ventilation also helped reduce overheating in...

Website providing guidance on passive heating, cooling, and lighting methods.

Article from Williams College on the key elements of passive solar design for homes.

Paper describing a study on savings in peak power and cooling energy for homes with shade trees.

Paper summarizing passive and low-energy cooling systems for buildings.

Brochure describing what permeable pavement is, where to install it, and how to maintain it.