Library

Article describing mulching with lawn clippings.

Pamphlet describing different types of mulches and their benefits.

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.

Online geospatial map with interactive viewer showing flood risk areas and base flood elevations

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

Report for local governments, planners, emergency managers, developers, insurers, and property owners describing ways to improve the wildfire resistance of buildings, infrastructure and communities in the wildland urban interface.

An NFPA Standard that identifies a method for determining the minimum water supply necessary for structural fire-fighting purposes in areas where it has been determined that there is no water or inadequate water for fire fighting.

An NFPA standards document that provides minimum requirements for the design, construction, installation, and maintenance of tanks and accessory equipment that supply water for private fire protection.

Document on the development of two simple in-home efficiency test methods that can be used by technicians, researchers, or interested homeowners to verify the correct operation and energy efficiency of a homes air conditioning and heating equipment.

Paper describing a study on savings in peak power and cooling energy for homes with shade trees.

Brochure describing what permeable pavement is, where to install it, and how to maintain it.

Report describing the key findings from the first third-party field validation of 120-volt heat pump water heater (HPWH) technology, addressing the significant barriers to their adoption and emphasizing their potential role in reducing carbon emissions from residential water heating.

Report describing a laboratory assessment on the performance of Rheem 120-volt heat pump water heaters (HPWH), aimed at identifying optimal installation locations for these new "plug-in" models based on comprehensive testing under various conditions.

Pamphlet describing proper mulching around trees and problems and benefits associated with mulching.

Report providing wildfire protection guidance for homeowners in California.

Guidance document describing urban heat islands, what they are, how they form, why we care, and including some strategies to reduce them.

Fact sheet describing best practices in installing leak-free refrigerant systems, including specifics on creating flare joints and brazed joints, pressure testing, vacuum testing, and charging the system with refrigerant.

Report describing information from DOE about rules and standards for residential air conditioners and heat pumps.

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.

Report discussing instrumentation methods and field operation characteristics of two GSHPs in test houses, including a comparison between the manufacturers listed COP values and the COPs calculated from field data.

Report providing architects, designers, and homeowners with information to make house plans useful for constructing a more wind resilient structure.

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...

Article explaining the energy cost reduction and other benefits associated with installing a heat pump clothes dryer

Website tool that can search for trees by name or characteristics and retrieve data describing tree attributes including site preferences and general characteristics and considerations.

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

Information sheet describing how to select a properly sized water heater based on household usage patterns, peak demand, and heater type—whether tankless, solar, or storage-based—to ensure efficiency and adequate hot water supply.

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

Website providing consumers with resources to find, select and install heat pump water heaters.

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

Document describing correct construction of swales, designed to trap particulate pollutants (suspended solids and trace metals), promote infiltration, and reduce the flow velocity of storm water runoff.

Paper describing landscaping influences on heat gain through shading, infiltration shielding, and microclimate creation for nearby buildings.

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

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 about proper water heater selection developed to provide step-by-step procedures for evaluating preferred cost-effective options for energy efficient water heater alternatives based on local utility rates, climate, and anticipated loads.

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

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

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.

Document about laboratory testing of five integrated heat pump water heaters (HPWH).

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...

Document describing the impacts of tree cover on property values.

Paper describing the effects of shade trees and their location on residential summertime electricity usage.

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.

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

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.

Website containing useful resources regarding central heat pump water heater systems.

Document outlining a well-detailed drainage plane and flashings.