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 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...

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

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.

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.

Report describing research testing results on roof truss to wall connections in light frame wood systems.

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.

Article explaining what a continuous load path is and the key connection points that make it up.

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 of a field evaluation of four novel roof designs to see how each design would reduce space-conditioned energy use so that the knowledge gained could be applied to the design of new manufactured homes.

Journal article reporting on field experience of unvented cathedralized (UC) attics in several environments in the United States.

Report to understand the long-term moisture performance of unvented roof assemblies with fibrous insulation.

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

The FPC Monitoring project has evaluated radiant barrier systems (RBS) as a new potential DSM program.

Presentation about proper installation of flexible ducts.

Report describing the use of fresh air ventilation systems to eliminate the formation of icicles and ice dams along the eaves of roofs.

Article describing the causes that form ice dams, as well as solutions for preventing future ice dams on roofs, focusing on air sealing to prevent hot air leakage.

Information sheet presenting the correct methods for building an insulated cathedral ceiling.

Information sheet presenting techniques for installing cellulose insulation.

Article from Montana State University Extension explaining how proper insulation techniques can greatly reduce the risks of ice dams on roofs in cold climate zones.

Guide discussing observations, recommendations, and technical guidance as a result of Hurricane Katrina

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.

Article describing issues with condensation in unvented attics insulated with open-cell spray foam.

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

Article outlining the casuses and solutions for ice dam problems.

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

Article describing the effect metal roofs have on thermal performance in hot-humid climates.

Article explaining installing cavity insulation.

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.

Article discussing the downside to recessed can lights.

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.

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

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.

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

Guideline describing the importance of the different types of multifamily building attics and their unique challenges, and outlines strategies and materials used in air-sealing them.

Project discussing buried or encapsulated ducts and their pros and cons.

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.

Guideline describing information and specifications relevant to air-seal existing attics.

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.