Library

Report proposes high performance duct measures for inclusion in California Title 24 building energy efficiency standards for 2016.

IECC code note explaining new fan efficacy requirements, along with how to determine which fans are affected by the new fan requirements.

Report aimed at gaining a better understanding about benefits, challenges and technologies associated with natural gas feedback systems.

Paper covering a parametric study of foundation heat exchanger-based ground source heat pump systems for several house configurations in a range of European locations, with an emphasis on determining feasible combinations.

U.S. DOE report summarizing findings from literature and research relevant to HVAC installation practices.

Report evaluating mechanical AC precooling strategies in homes as a method for improving the load factor by shifting cooling operation from on-peak to off-peak hours.

Report summarizing the results of laboratory testing of 20 advanced power strip products.

A quick-reference guide advising homeowners on how to elevate and protect outdoor HVAC equipment from high winds and floods.

Research study about a high performance retrofit of an existing brick building (a former convent) into condominiums, all affordable housing.

Report describing procedures for increasing sensible efficiencies through increased flow rates across the air handling unit and increased indoor coil sizes.

Report about a tool developed to enable users to compare a typical 1970s ranch home against an IECC 2009 code-compliant home of the same configuration and against the 70s base case plus retrofits.

This project analyzed combined condensing water heaters or boilers and hydronic air coils to provide high efficiency domestic hot water (DHW) and forced air space heating. Called "combi" systems, they provided similar space and water heating performance less expensively than installing two...

Report about cost effective energy-efficient upgrades that can be implemented in the hot, dry Southwest climate.

Article describing how replacing permanent split capacitor (PSC) motors with electronically commutated motors (ECM) can boost bottom line for HVAC contractors as well as improve customer comfort and satisfaction.

This research paper outlines residential HVAC advanced controls and sensors. It includes a technology review, applications, maintenance and commissioning, occupant behavior and a summary of the state-of-the-art technologies for advanced controls for residential HVAC.

Document reviewing current and potential ventilation technologies for residential buildings with particular emphasis on North American climates and construction.

Information sheet about HVAC equipment design to maximize energy efficiency in the hot-dry climate zone.

Web page providing an overview of room-level air conditioning systems such as window units and mini-splits.

Research report detailing Florida Solar Energy Center (FSEC) partnership with Manatee County Habitat for Humanity to design a compact, Zero Energy Ready Home in Florida, tackling challenges like equipment sizing and indoor air quality, offering insights for projects surpassing building code...

Technical study exploring the impact of different installation faults on heat pump performance in a single-family house.

Report describing construction of test homes in Atlanta, GA meeting Building America savings targets and serving as a basis of design for other homes Martin Dodson plans to build within the Serenbe community.

Report summarizing commissioning, short-term testing, and analysis that occurred before, during, and just after the actual retrofit of the Bay Ridge project.

Study conducted to help determine cost-effective solutions for heating and cooling houses that are designed to be energy efficient.

Manual that identifies certain leakage limits for ducts and outlines procedures for testing ducts for conformity with air leakage limits that are set forth in a designer’s project specification.

Webpage describing the STEP campaign encouraging the use of smart diagnostic tools to reduce installation faults.

Fact sheet outlining the research behind how smart ventilation controls boost energy efficiency and indoor air quality, including research findings from seasonal temperature, timer, and real-time weather-based controls showing that all three systems showed potential for energy savings while...

Research study presenting a unique opportunity to both identify and evaluate deep retrofit measures that are practical and potentially cost effective for the retrofit market, as well as review the cost effectiveness of the Passive House design approach for achieving energy savings in deep retrofits.

Proposed HVAC filter labeling standard and underlying analysis by the California Energy Commission.

Standard that defines the roles of and minimum requirements for mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality in low-rise residential buildings. This version of the standard was published in the year 2016, and is available for...

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

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.

Standard describing methods for testing the airtightness of buildings and HVAC equipment.

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 that measures the capture efficiency of wall-mounted domestic range hoods under controlled conditions in a test chambers which available for preview and purchase at the link and was published in the year 2018.

Test method providing a rapid means of determining the steady-state thermal transmission properties of thermal insulations and other materials with a high level of accuracy when the apparatus has been calibrated appropriately. This version of the standard was published in the year 2021 and is...

ASTM standard test method for surface burning response of different building materials which was published in the year 2022 and is available for preview and purchase at the reference link.

ASTM standard test method for testing the surface burning response of different building materials which was published in the year 2023 and is available for preview and purchase at the reference link.

Standard that describes the principles for the design of a hot box apparatus and the minimum requirements for the determination of steady state thermal performance of building assemblies when exposed to controlled laboratory conditions. The current version of the standard was published in 2019, and...

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.

Report addressing barriers to information, contractor resources and cost savings associated with steam balancing multifamily buildings.

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.

Report providing information based on research and case studies, to remodelers and consumers about opportunities to increase home energy performance.

Report about the impact on the loads when common safety factors are applied to the load calculation process using two houses that meet the 2009 IECC prescriptive path modeled as the accurate baseline.

Document covering the pros and cons of compact air distribution systems and the decision criteria that must be considered early in the whole-house design process.

Report intending to provide useful information as the DOE/BA develops and implements comprehensive communications and outreach strategies for demonstration homes.

Report describing the equipment selection of a split system air conditioner and furnace for an example house in Chicago, Illinois, as well as a heat pump system for an example house in Orlando, Florida.

Report describing findings from research related to heating, ventilation, and air conditioning (HVAC) companies that have made the decision to transition to whole house performance contracting (WHPC).

This document covers a description of the need and applied solutions for supplemental dehumidification in warm-humid climates, especially for energy efficient homes where the sensible cooling load has been dramatically reduced.

Question and Answer article in Energy Design Update describing the cost and savings benefits of electronically commutated motors (ECMs) for HVAC equipment.

Report providing performance results of a home's heat pump water heater and whole-house dehumidifier over a six-month period.