Reference
Description
Document illustrating guidelines for efficient installation of interior duct systems in new housing.
Reference
Description
Document presenting a cost effective method that was used by four builders in the Gainesville, FL area to construct interior ducts in over a dozen site built homes.
Reference
Description
Document presenting results from testing prototype HVAC duct system designs that would locate the entire length of duct work within the air and thermal barriers of the building envelope. These include one that incorporated a high-side supply register, one that utilized a single soffit located within...
Guide
Description
Guide describing method for installing ducts in a duct chase in a dropped ceiling.
Guide
Description
Guide describing the use of building cavities as supply or return ducts.
Guide
Description
Guide describing method for designing and installing ducts in a raised ceiling chase.
Guide
Description
Guide describing how to install jump ducts in bedroom walls to balance air pressures between rooms, enabling stale air to return of the central air handler, even when room doors are closed.
Guide
Description
Guide describing how to conduct duct leakage tests per RESNET protocols on all components of the HVAC system (including the air handler, ductwork, register boxes/boots, and all air devices such as diffusers, registers, or grilles).
Guide
Description
Guide describing the use of ducted returns to return stale air from bedrooms and bathrooms to a central heating system.
Guide
Description
Guide for designing and installing interior ducts in an interstitial floor cavity in new and existing homes.
Guide
Description
Guide describing how to air seal and insulate fiber board ducts.
Guide
Description
Guide describing removal of construction debris from flex ducts and protection of ducts and HVAC equipment during construction to keep them free of dust and debris.
Guide
Description
Guide describing how to design HVAC systems to be located within the conditioned space of the home, either in a utility closet or in an attic, basement, or crawl space.
Guide
Description
Guide describing how to thoroughly seal HVAC ducts to ensure air delivery without leakage, and to ensure economical and quiet performance of the HVAC system.
Guide
Description
Guide describing the testing of duct leakage in central ventilation systems for multi-story, multi-family buildings.
Reference
Description
Report describing as-found interior platform return plenums, the magnitude of their contribution to the total amount of duct leakage, and techniques and results of retrofits executed by the HVAC trade during equipment replacement.
Guide
Description
Guide describing design and installation of compact duct systems for central heating and cooling systems.
Information Guide
Description
Information guide describing the concept of air flow in residential buildings and its effects on occupants, building durability, and efficiency.
Guide
Description
Guide describing how to conduct testing for adequate combustion air in the space where a combustion appliance is located if the appliance is located within the conditioned space of the home.
Guide
Description
Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.
Guide
Description
Guide describing how to undercut the doors in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system.
Guide
Description
Guide describing requirements and best practices for mechanical garage exhaust in multifamily buildings.
Guide
Description
Guide describing options for adding dehumidification equipment to a home to maintain indoor relative humidity below 60%.
Guide
Description
A guide describing how to elevate and secure HVAC equipment for protection against floods, earthquakes, and high winds.
Guide
Description
Guide describing proper sizing and installation of high-MERV furnace and air-handler filters.
Guide
Description
Guide describing refrigerant-based compression-cooling air conditioning systems for space cooling.
Guide
Description
Guide describing combustion furnaces with selection and installation guidance.
Guide
Description
Guide describing how to create a designated shelter-from-heat space in a home to help occupants successfully weather an extreme heat event.
Information Guide
Description
Information guide describing how to apply a whole-house approach to home improvement with energy efficiency upgrades, improved indoor air quality, and increased comfort.
Guide
Description
This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.