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Standard 680 establishes definitions, classifications, test requirements, data requirements, ratings, operating requirements, marking and nameplate data and conformance conditions for residential air filter equipment.

Standard describing two techniques for measuring air leakage rates through a building envelope in buildings that may be configured to a single zone which was published in the year 2022 and is available for preview and purchase at the reference link.

Standard describing a test method measuring air-leakage rates through a building envelope under controlled pressurization and de-pressurization which was published in the year 2019 and is available for preview and purchase at the reference link.

Research report with results from field tests in two homes in Austin, Texas, from October 2011 to June 2012 to evaluate the comfort performance of ductless mini-split heat pumps

Document presenting analysis results, focusing on relative humidity (RH) excursions, which are defined as unique events of indoor RH above a threshold.

Checklist providing prescriptive instructions on how to retrofit ladder framing on gable end overhangs to achieve a maximum depth of 18 in. from the face of the wall.

Report describing how modification of model specifications to include guidance on energy efficiency measures can create a greater level of consistency in executing energy efficiency retrofit measures across the multiple regions where a developer may work.

Test method designed to calculate an assigned air permeance of flexible sheet or rigid panel-type materials at a reference air pressure differential of 75 Pa which was published in the year 2021 and is available for preview and purchase at the reference link.

Test method designed to obtain reliable values for the WVTR of plastic film and sheeting which was published in the year 2020 and is available for preview and purchase at the reference link.

Research project addressing low-cost options that reduce monthly energy costs and improve the quality of life by enhancing comfort levels in low-income homes.

Fact sheet describing NFIP requirements for repairs, remodeling, and additions, and discussing opportunities for retrofitting in coastal flood hazard areas with recommendations for exceeding the minimum NFIP requirements; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction...

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.

Report describing a project aimed at developing validated models and design tools for foundation heat exchangers.

Article describing a numerical model that can be used to size foundation heat exchanger (FHX) systems.

A structural insulated panel (SIP) roof has no embedded lumber in the structure, and therefore nothing substantial for attaching PV array and solar hot water mounts. Single or double lumber splines could be put into the panels, or I-joists at 4-foot intervals could be added.

Conference paper describing how retrofits were used in a Florida home to change it from a high energy user to a near zero-energy home.

Report summarizing a case study about the performance of three occupied homes built in 2009 in San Antonio, Texas.

Report about results of 10 test buildings in Chicago, studied to identify best practices for methodology, typical costs, and energy savings associated with steam system balancing.

Standard specification covering elastomeric cellular preformed gasket and sealing materials. This version of the standard was published in the year 2021 and is available for preview and purchase at the reference link. Other versions of the standard were published in the years 2015, 2011, 2006, and...

This Standard provides a consistent, uniform methodology for evaluating the airtightness of building envelopes and heating and cooling air ducts and the air flows of mechanical ventilation systems.

This report discusses proposed updates to the pool pumps and motors, and portable electric spas standards in the Appliance Efficiency Regulations (California Code of Regulations, Title 20, Sections 1601 to 1609). These proposed updates are part of the 2012 Appliance Efficiency Rulemaking, Phase I...