Library

Website providing information on low-energy and standard cooling systems, with a focus on saving energy.

Website providing certified rating programs to help manufacturers, builders, contractors and homeowners compare performance of ventilation products for air flow, sound, and other performance characteristics.

Article describing the impact of stack effect on building performance, highlighting how pressure differences caused by temperature and height affect air infiltration and exfiltration, and detailing strategies like compartmentalization and distributed mechanical systems to manage airflow and maintain...

Website with articles on home ventilation and indoor air quality.

Article describing considerations for choosing a room-level air cleaner to improve indoor air quality.

Article from Washington Post on passive cooling measures for homes during extreme heat.

Paper providing a comprehensive overview of HVAC system design considerations and challenges specific to multifamily residential buildings, focusing on optimizing performance and addressing common issues.

Publication specifying HVI’s prescriptive procedures for testing and rating airflow of residential ventilation products in accordance with ANSI consensus standards.

Publication describing the requirements and procedures for the certified performance ratings program for residential ventilation products administered by the Home Ventilating Institute.

Website providing an online directory of more than 3,600 residential ventilation products lisiting flowrates, sones, watts, and other performance metrics; all listed products have been tested by the Home Ventilating Institute.

The study described in this white paper is based on building energy modeling with an important focus on the indoor humidity impacts of ventilation.

Report documenting the results of a NYSERDA-funded research project to demonstrate the costs and benefits of a best practice systems approach to improving exhaust ventilation system performance in five multifamily buildings in New York State.

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.

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...

Research study describing field testing performed in 32 two-story Florida homes to characterize wind washing failures of the house air and thermal boundary.

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.

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.

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

Technical report assessing the market for Low-e storm windows based on market data, case studies, and recent experience with weatherization deployment programs.

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.

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.

Siding installation guide for Ply Gem Siding Group products.

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.

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...

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

Report providing extensive guidance on controlling moisture in building envelopes through proper selection and installation on air, water, thermal, and vapor barriers.

The next generation of building enclosures is a key step toward achieving high-performance goals through decreasing energy load demand and enabling advanced space-conditioning systems. Yet the adoption of high-R enclosures and particularly high-R walls has been a slow-growing trend because...

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...

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.

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.

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 highlighting the evaluation methods used and extent of wind washing found in a study analyzing wind washing in thirty-two two-story homes.