Library

This study focuses on the design, construction, and performance of the interior chase approach as implemented by five different builders in Texas, North Carolina, and Florida.

Information about dense pack, cellulose insulation.

Information sheet with HVAC duct insulation, testing, maintenance and performance information.

Report identifying two barriers that limit the ability of builders to explore opportunities for higher levels of energy efficiency in housing: the use of duct system materials that inherently achieve airtightness and are right-sized for low-load houses, and, the ability to air seal fire separation...

The objective of this research was to quantify the field performance of wood-frame walls clad with a variety of common claddings in a mixed-humid climate.

Report on problems and solutions with EIFS stucco wall cladding systems.

Discussion of structural thermal resistance.

Document comparing simulation results from a modified version of the EnergyGauge program to include various HVAC runtime strategies.

Website from the U.S. Department of Energy providing consumers with information on saving energy and using renewable energy technologies.

Research study describing experiments run in an unoccupied 1600 square foot house to evaluate the delivered performance as well as the relative performance of a SEER 21 variable capacity heat pump versus a SEER 13 heat pump.

Information sheet with details on a building enclosure designed for Albuquerque, NM, as an example for building enclosures built for hot-dry and mixed-dry climates.

Information sheet that summarizes Insulated Concrete Form (ICF) construction including advantages and disadvantages of this construction strategy.

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.

Report evaluating opportunities to improve and streamline delivery of residential retrofit measures.

Expert meeting describing meeting details for recommendations for applying water heaters in combination space and domestic water heating systems.

Expert meeting held to discuss simplified space conditioning systems in low load homes, including the relationship between advanced thermal enclosures, space conditioning systems and comfort.

Expert meeting held to review and discuss results and future plans for research to improve the performance of hydronic heating systems using condensing boilers and baseboard convectors.

Information sheet providing detail about hand fabrication of a one-piece straight duct from a 48" x 120" x 1" thick (1.22 m x 3.05 m x 25 mm) sheet where the total inside duct dimensions equals 112" (2.84 m) or less.

Report on the field evaluation of whole-building approaches and estimation of the relative contributions of select technologies toward reducing energy use related to space conditioning in new manufactured homes.

Standard providing a comprehensive approach to evaluating, selecting, specifying and installing flexible duct in HVAC systems.

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

Document that gives a step-by-step approach for designing attachments for cladding materials through foam sheathing.

Presentation about proper installation of flexible ducts.

Report providing information about energy-efficient heating, ventilation, and cooling (HVAC) equipment options to help homeowners cut their energy use, reduce their carbon footprint, and increase their homes comfort, health, and safety.

Standards criteria supporting ICC HVAC duct support standards.

Report evaluating the relative effectiveness of various control and distribution strategies to improve hydronic space heating performance in existing low-rise multifamily buildings

Report summarizing approaches to addressing duct leakage in hot humid climates.

Report showing installers how to attach ducts, pipes, and associated equipment to buildings to minimize earthquake damage.

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 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.

Report presenting lab evaluation of five heat pump water heaters available in the US market today.

Report proposing mini-split heat pumps as a new retrofit option to replace resistance heating in the Pacific Northwest.

Report on the long-term performance of mini-split heat pumps.

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.

Report identifying the target market for solar water heaters and potential pathways and cost/performance targets that must be met for these systems to realize large energy savings.

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

Factsheet describing how to test the duct leakage of a manufactured home in the manufactured home factory.

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.

Document pertaining to design and application guidance for combination space and tankless domestic hot water heating systems used in residential buildings, based on field evaluation, testing, and industry meetings.

Document intended for designers and installers of hydronic heating systems interested in maximizing the overall system efficiency of condensing boilers when coupled with baseboard convectors. It is applicable to new and retrofit projects.

Document with evaluation of 14 heat pump water heaters (including three recently released HPWH products) installed in existing homes in the northeast region of the United States.

Report providing guidance on how to implement a compact duct system inside a plenum truss bulkhead of a one-story, slab-on-grade home.

Report describing recommendations for optimizing flexible duct, constant-volume HVAC systems using junction boxes.

Document covering the technical aspects of buried and insulated ducts (BEDs), as well as the advantages, disadvantages, and risks of BEDs compared to alternative strategies.

Report describing the sealing and insulating of HVAC duct systems in existing homes.

Document illustrating guidelines for efficient installation of interior duct systems in new housing.

Document developed to help residential builders and retrofitters transition from tank-type water heaters to tankless water heaters.

Research study analyzing measured energy savings from a moderate retrofit by comparing post-retrofit performance with measured pre-retrofit monitored data.