Library

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).

Paper describing case studies on urban vegetation and greenways and their impacts on city climate and building performance.

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.

Presentation on sustainable development including water conservation, passive solar, daylighting, natural ventilation, and land use.

Presentation by the Washington University in St. Louis Office of Sustainability on saving energy.

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.

Presentation on urban land use and sustainable building design.

The Technician's Guide equips practitioners with the knowledge to properly implement all of the measurement procedures required in the HVAC QI Specification.

This guide and workbook offers practitioners with the knowledge to properly implement the measurement and documentation procedures required in the ANSI/ACCA 5.

Study on the effects of wind, radiation, and pressure on apparent temperature.

Presentation describing how to make a Corsi-Rosenthal Box for air cleaning.

Study comparing the thermal performance of phase change materials to concrete construction during heat waves.

Document describing the impacts of tree cover on property values.

Article from Green Building Advisor on the importance of window selection in hot climates, with an emphasis on window glazing.

Standard providing industry-backed information for assessing new and existing HVAC systems, evaluating and verifying the cleanliness of HVAC system components, preventing job related hazards and guiding the cleaning and restoration of HVAC systems to a specific level of cleanliness.

Paper that illustrates a performance check between the thermal performance of a Massive Insulating Concrete Form (ICF) wall system mocked up and Whole Building Performance criteria such as total space heating and cooling loads (thermal comfort).

Article about installing balanced ventilation systems.

Standard 55 specifies conditions for acceptable thermal environments and is intended for use in design, operation, and commissioning of buildings and other occupied spaces; is the current version of the standard, which was published in the year 2021, and is available for preview and purchase at the...

Webpage providing guidance on the use of thermal mass with passive heating and cooling strategies.

Technical research paper explaining how thermal mass influences heating and cooling energy needs.

Design guide providing technical information regarding building with thermal mass.

Article detailing a case study in which thermal mass was used as part of an overall Net Zero solution for a university building.

Conference paper describing a proof of concept trial that demonstrated that external roller blinds can reduce heating loads in a room by 20%.

Guide from Energy Star on smart thermostats and offering some guidance for choosing one.

This report describes the results of a multiyear research project that investigated the energy savings attributable to thermostatic radiator valves (TRVs) installed on one-pipe steam distribution systems.

Report on a project conducted to better understand the current usage of thermostatic radiator valves by key market players in steam and hot water heating and to conduct limited experiments on the effectiveness of new and old thermostatic radiator valves as a means of controlling space temperatures...

Article from Purdue University on the potential for white paint technology to lower air conditioning usage requirements.

Webpage from the City of Fresno's Water Conservation Program describing household water conservation recommendations, including tips for maintaining evaporative coolers.

Webpage describing methods to save energy at home, including turning down your water heater set point, scheduling your HVAC system, adding or fixing weatherstripping, and changing HVAC system filters, among other tips.

Blog article summarizing the effects of extreme heat on air quality and lung health.

Brochure describing HVAC filter options for efficiency and IAQ.

Information sheet describing transfer ducts and grilles for HVAC.

Report about partnership to build three communities of net zero houses.

Training course describing how to incorporate trees into an energy-conserving landscape.

Presentation report detailing Heat Pump Water Heater (HPWH) interaction with space conditioning systems in real-life test scenarios that explains some of the problems arising from these interaction and information that can be used to make the system more efficient.

NAFA’s user guide for understanding ANSI/ASHRAE Standard 52.2-2012.

Manual describing scientific, technical, and practical information needed to work with communities on urban forestry, including a section on trees and construction.

Interactive map maintained by the USDA showing plant hardiness zones throughout the U.S.

Users guide to help contractors and homeowners use the Cold Climate Heat Pump Sizing Support Tools developed by NEEP to size and select the best air source heat pumps for their cold climate location.

Webpage describing the use of cool roofs to reduce heat islands and and benefits and costs.

Report discussing the measured variability in indoor space temperatures in a set of 60 homes located in Florida, New York, Oregon, and Washington.

Fact sheet describing the results of an analysis of humidity control and variable refrigerant flow (VRF) system efficiency in three new multifamily buildings in New York, NY.

Information sheet about proper ventilation and air sealing.

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 2010, and is available for...

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 2013, and is available for...

Standard that provides procedures and methods for meeting minimum ventilation and indoor air quality requirements to engineers, design professionals, owners, and jurisdictional authorities where model codes have been adopted. This is the current version of the standard, which was published in the...

Report summarizing NRELs efforts to develop diagnostic test cases to conduct accurate energy simulations when phase change materials (PCMs) are modeled in residential buildings.

Report describing concentrations of 54 volatile organic compounds (VOCs) and ventilation rates that were measured in four new manufactured houses over 2 - 9.5 months following installation and in seven new site built houses 1 - 2 months after completion.

Fact sheet describing how to identify heat-related illness and what actions to take.