Showing results 1 - 37 of 37
Description
Guide describing how to select and install whole-house ventilation systems for existing homes.
Publication Date
Description
Video describing air sealing and insulation for encapsulated ducts.
Organization(s)
PNNL
Publication Date
Description
Case study describing the design and testing of 10 high-performance homes in Farmington, Connecticut.
Description
Information guide describing considerations for before retrofitting HVAC systems, retrofit scope considerations, and HVAC system replacement options.
Description
Guide describing how to hang ducts with supporting straps or saddles to adequately support ducts so they do not sag and are not pinched or compressed in a manner that would cause damage to the ducts, the duct insulation, or the duct air barrier covering.
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Guide describing the use of building cavities as supply or return ducts.
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Guide describing how to install jump ducts in bedroom walls to balance air pressures between rooms, enabling constant air flow for conditioning and freshness even when room doors are closed.
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Guide describing how to air seal and insulate flex ducts.
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Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.
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Guide describing how to install ducted returns in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.
Description
Guide describing how to conduct duct leakage tests 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).
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Guide describing how to air seal and insulate metal ducts.
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Guide describing how to conduct duct leakage tests per RESNET protocols.
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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 air sealed conditioned attic, basement, or crawl space.
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Guide outlining how to correctly install flex ducts without kinks or sharp bends.
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Guide describing options for adding dehumidification equipment to a home to maintain indoor relative humidity below 60%.
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Guide describing how to install a corrosion-resistant drain pan in condensate-producing HVAC equipment.
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Guide outlining how to correctly install flex ducts without excessive coils or loops.
Description
This measure guide describes how to correctly install ducts, ensuring enough cavity space to avoid compression.
Description
Guide describing refrigerant-based compression-cooling air conditioning systems for space cooling.
Description
Guide describing how to air seal and insulate fiber board ducts.
Description
Guide describing how to create a designated shelter-from-heat space in a home to help occupants successfully weather an extreme heat event.
Description
Guide describing the use of building cavities as supply or return ducts.
Overview
An entirely new section in the 2015 IECC/IRC regarding fuel-burning appliances basically requires the appliance to be isolated from the building thermal envelope, located either outside or within a separate room if the fuel-burning appliance is supplied by open combustion air ducts. This brief provides an overview of the requirements and further details of approving the actual "room".
Description
Guide describing categories of direct-vent combustion space- and water-heating equipment and combustion safety testing.
Overview
The intent of this brief is to provide code-related information about ductless mini-split heat pumps to help ensure that the measure will be accepted as being in compliance with the code.
Description
Guide describing ductless heat pump systems used for single-room or whole-house heating and cooling.
Description
Guide describing the split system heat pumps used for central forced air heating and cooling.
Overview
This brief discusses the provisions in the 2015 International Energy Conservation Code (IECC) and International Residential Code (IRC) related to evaporative cooling.
Description
Guide describing how to install transfer grilles in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.
Description
Guide describing condensing boilers and hot water heat distribution systems used for home heating.
Description
This guide describes evaporative cooling technologies which can be used to cool homes in dry climates.
Description
Guide describing oil-fired boilers and hot water heat distribution systems used for home heating.
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Guide describing combustion furnaces with selection and installation guidance.
Description
Guide describing gas-fired boilers and hot water heat distribution systems used for home heating.