Library

Research study estimating potential energy savings relative to conventional ducted air distribution, and identifying equipment requirements, costs, and barriers.

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

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.

The exhaust from residential combustion appliances contains air pollutants and high levels of moisture that must be conveyed to the outdoors to maintain acceptable indoor quality.

Information sheet about reservoir claddings.

Research report anayzing the results of a large retrofit project, turining an old school into near zero energy consumption apartments in Greenfield MA.

Article describing earthship homes.

This study evaluates the energy, humidity and indoor air quality implications of residential ventilation cooling in all US IECC climate zones.

Document reviewing four cold-climate northern Illinois energy efficiency retrofit programs to identify practices, tools, and approaches to streamline and reduce costs of comprehensive retrofits, and to improve the consistency of audit and retrofit delivery practices across different programs.

Case study on exhaust ventilation and corresponding outdoor air intake strategies implemented in high-performance new-construction multifamily buildings.

Report detailing the effects of replacing PSC motors with more efficient, variable-speed motors.

Technical report describing the evaluation of four different ventilation strategies for providing make-up air in high-performance, new construction multifamily buildings in the Northeast, emphasizing the challenges posed by increasing airtightness standards and the variability of system performance...

Report describing research that helps inform best practices for air-sealing multifamily buildings in the Northeast.

Research report assessing the moisture and cooling load impacts of airtightness and mechanical ventilation in homes in hot-humid climates.

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...

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

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.

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

Information sheet providing guidance about the placement of ventilation approaches.

This study used an advanced airflow, energy and humidity modeling tool to evaluate the potential for residential mechanical pre-scooling strategies to reduce peak electriciy demand.

IECC code note explaining new fan efficacy requirements, along with how to determine which fans are affected by the new fan requirements.

This study uses a computer simulation approach to examine the energy and indoor air quality implications of passive and hybrid ventilation systems.

Preliminary results of two monitored lab homes constructed to represent the thermal characteristics of typical existing Florida homes are presented.

Fact sheet describing how weatherstripping can be an easy and cost-effective way to save money on energy costs and improve comfort by reducing drafts.