Library

Report describing the features, benefits, and best practices for the design and installation of heat pump water heaters in new low-rise multifamily buildings, highlighting their efficiency, reliability, and contribution to decarbonization goals.

Report describing a laboratory assessment that provides insights into space requirements and venting strategies for heat pump water heaters (HPWH) to enhance retrofit installations and provide actionable guidance for manufacturers, designers, engineers, installers, and owners.

Guide providing detailed selection and installation instructions for heat pump water heaters.

Provides consumers with general information on solar water heating systems and how to select a contractor.

Blog post about heat pump clothes dryers.

Case study of new home construction in the hot-dry and mixed-dry climate zones.

A website detailing initiatives on the east coast for the installation and use of high efficiency products.

Factsheet profiling a simple modification that can be made to window air-conditioners to improve their energy efficiency.

Best Practices document providing an introduction to current photovoltaic and solar thermal building practices.

Report on a project that enhanced the HWSIM distribution system model to more accurately model pipe heat transfer.

Article describing the factors that can lead to inefficient hot water distribution systems in homes.

Guide describing how to choose energy-efficient water heaters, including heat pump models, with tips on installation, rebates, and incentives for maximizing energy savings.

Resource that explains how water softeners work to reduce scale.

Report about measurements of three recent vintage dishwashers of very different efficiencies showing that while they are substantially more efficient than older dishwashers.

ENERGY STAR webpage describing how a heat pump water heater works.

Installation tips and product suggestions for mounting hardware.

Article describing considerations for choosing a room-level air cleaner to improve indoor air quality.

FTC website explaining the usefulness of the EnergyGuide label when shopping for home appliances.

Includes several good how-to videos for anchoring furniture to different wall types

Report describing the identification of barriers and proposed practical solutions for the design, installation, and market adoption of heat pump water heaters in new low-rise multifamily housing, focusing on studio and one-bedroom units.

Factsheet describing the advantages and disadvantages of induction cooktops and the role they play in energy efficiency.

Journal article presenting modeling of residential gas water heaters via dynamic simulation models to determine the effect of the pilot light on their annual energy consumption.

Article describing the correct installation of clothes dryer exhaust ducts.

PDF detailing the inspection and verification guidance for WaterSense labeled new homes including indoor and outdoor efficiency requirements, and homeowner and building management education.

Report describing the performance, economics, space heating impacts, and user satisfaction of heat pump water heaters (HPWHs) in the upper Midwest, based on a field study and survey of participants in the MECA HPWH incentive program.

Fact sheet describing principles of insulating steam distribution and condensate return lines as an effective way to prevent energy loss.

Report describing the objective evaluation of space conditioning interactions between heat pump water heaters and home heating systems during winter 2016-2017, revealing a smaller than anticipated impact on space conditioning loads.

This webpage provides an interactive walk-through of the installation of a heat pump water heater in a home in Massachusetts, including how-to videos of the installation, video interviews with the homeowners, installer, and utility program partners, and visual tours of the home before and after...

Article discussing indoor water management.

Report summarizing results of testing emerging combo water heating technologies under controlled laboratory operations, that differentiate the performance of the various packaged equipment configurations being offered.

Report describing research conducted to support California’s Title 24, Part 6 Building Energy Efficiency Standards by analyzing the impact of installation location and ventilation on heat pump water heater (HPWH) performance, emphasizing the need for proper installation to maximize efficiency...

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.

This webpage provides an interactive walk-through of the installation of a heat pump water heater in a home in Maine, including how-to videos of the installation, video interviews with the homeowners, installer, and utility program partners, and visual tours of the home before and after installation...

Factsheet with information on energy efficient pool pumps.

If your kitchen has a powerful exhaust fan, it may be pulling air down your chimney or water-heater flue.

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.

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.

Report describing the installation and operation of forced-air heating and domestic hot water combi systems in residential homes.

Measure Guideline describing how to assess and carry out the isolation of natural draft combustion appliances from the conditioned spaces of low-rise residential buildings.

This measure guideline provides guidance on combustion safety inspection procedures for appliances and heating equipment that use indoor air for combustion and dilution of flue gases in low-rise residential buildings.

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

Repor ourlining testing results from a 53 home monitored sample, long-term energy use of electric resistance clothes dryers.

Report describing a lighting and smart power strip retrofit evaluation that was conducted on 56 all-electric, existing Florida homes to see how lighting and miscellaneous electric loads might be reduced.

Web resource that lays out the pre-work considerations, methods and finishes for installing mechanical insulation.

This paper discusses model validation using data from three thermosiphon systems.

Webpage for the CEC’s Modern Appliance Efficiency Database System

List of appliance brands and models, showing their performance and efficiency as tested by the appropriate standard.

Study in which a central heat pump water heater system was monitored in detail and used to create a model for assessing similar systems in various climates.

Link to the NFPA standards collection; NFPA 211 provides guidelines for construction projects involving chimneys, fireplaces, venting systems, and solid fuel-burning appliances.

Report providing information to researchers, utility program managers, and building owners interested in controlling heating energy waste and improving resident comfort.