Library

Factsheet describing how to install air source heat pumps for residential heating and cooling in cold climates.

Factsheet describing how to install air source heat pumps for residential heating and cooling in cold climates.

Guide by the Northeast Energy Efficiency Partnerships on how to size heat pumps in a cold climate.

A ENERGY STAR guide on efficient heating, ventilation and cooling systems in residential homes.

Report describing the significant potential for energy use reductions through heat pump water heaters, which have been a crucial part of Northwest power plans for decades and have recently achieved substantial savings with new integrated models and climate specifications.

Webpage providing basic information on various types of heat pumps and their applications in Massachusetts.

Report providing information for HVAC designers, installers, and consumers about air source heat pumps.

Article describing how to use radiator inlet orifices optimize two-pipe steam heating systems.

Factsheet outlining the advantages of using heat pumps, which are an efficient way to heat and cool a home.

Webpage providing curriculum with links to presentations and problem sets for teaching an understanding of sizing cold climate heat pumps.

Paper providing a comprehensive overview of HVAC system design considerations and challenges specific to multifamily residential buildings, focusing on optimizing performance and addressing common issues.

Correcting pressure imbalances in your HVAC system can result in a healthier, more efficient home.

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.

Webpage describing how to conserve heat or find alternative heat sources during a power outage to keep one room warm.

Web article describing two options for sizing ductless minisplit heat pumps, including a free HVAC sizing tool.

News article describing the state of the residential battery storage market.

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

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

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 report investigates whether mini-split heat pumps can live up to their potential for one market segment: multifamily retrofits.

Database compiling extended capacity data for numerous cold climate heat pump manufacturers and models.

A website providing information on the purpose of burners and the components used in burners.

Website providing guidance on passive heating, cooling, and lighting methods.

Article from Williams College on the key elements of passive solar design for homes.

Article investigating how a linear input/output relationship can be used as a simple model of the performance of a combination hydronic heating system over heating only, DHW only, and combined loads.

Blog article describing considerations for how to use trees for shading to reduce cooling energy demand.

Webpage by the Department of Energy describing how to adjust refrigerator temperature settings to store food and drinks safely, keep food from spoiling, prevent illness from the growth of bacteria, and reduce food waste.

Webpage describing a DOE Cold Climate Heat Pump Challenge. The challenge engages industry partners and focuses around the Cold Climate Heat Pumps, a more environmental and efficient heating alternative to traditional heating.

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.

DOE report characterizing the installed base of windows and window coverings, and how users operate window coverings in order to enable precise quantification of energy savings.

Resource to help builders better understand the WaterSense requirements for labeled homes and assist them in meeting the criteria so they can receive the label for their new construction.

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

A research paper exploring the design, installation, repair and maintenance of solar water and pool heating technologies.

A research paper discussing the use of foundation heat exchangers for ground source heat pump systems in European climates.

Resource manual for builders, designers, architects, plumbers, and others interested in the WaterSense Labeled Homes Program providing an overview of the program, explains how to meet the program requirements, gives descriptions of water-saving technologies, and provides links to further resources.

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

DOE-sponsored report describing the experimental design and results of testing the energy performance of Hunter Douglas double-cell cellular shades under various control schemes in the Pacific Northwest National Laboratory’s Lab Homes.

Conference paper summarizing the relative performance of currently available Heat Pump Water Heaters (HPWH) models, the energy implications of different installation locations (garage, basement, or conditioned space) and ducting configurations (exhaust ducting, full ducting, or no ducting), as well...

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.

Website providing consumer tips for using natural gas safely in the home, including guidance on cooking, fireplaces, ventilation, pilot lights, piping, etc.

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.

This study uses a computer simulation approach to examine the energy and indoor air quality implications of passive and hybrid ventilation systems.

Web page providing links or specifications for homes to be labeled through the U.S. Environmental Protection Agency’s (EPA’s) WaterSense program.

Fact sheet describing the requirements for EPA WaterSense certified dishwashers that highlights water cycle specifications, efficiency code standards, water consumption level relation to criteria, the advantages of ENERGY STAR dishwashers, and the regulations for building and verifying a labeled...

Fact sheet describing protocols for detecting, addressing, and preventing water leaks in homes, covering pressure-loss testing, visual inspections, and specific leak tests for fixtures and appliances.

Fact sheet describing the requirements for EPA WaterSense certified kitchen faucets that highlights flow rate specifications, efficiency code standards, local requirements, faucet types and regulations for building and verifying a labeled faucet to ensure it meets the quality and water management...

Fact sheet describing how to effectively build, implement, and verify leak detection and flow monitoring systems, detailing appropriate devices, installation procedures, and verification protocols.

Fact sheet describing the importance and regulation of EPA WaterSense water softeners including the function of cation exchange water softeners, the importance of salt efficiency, the negative impact of hard water on household appliances, softeners that use demand-initiated regeneration with...