Library

Study investigating measured cooling energy savings from the installation of wall finishes with higher solar reflectance.

Research study outlining results of monitoring a low temperature heat pump.

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

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

This report requires all elements of rooftop PV panel systems to be designed for component and cladding pressures per ASCE 7-10.

Standard covering overs mounting systems, including mounting devices, clamping devices and ground lugs for use with photovoltaic modules and panels and contains requirements for ground-mounted and roof systems as part of a nonstructural building component.

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.

This Photovoltaic (PV) Installer Resource Guide is an informational resource covering basic requirements for PV installations intended for individuals pursuing the Photovoltaic Installer Certification credential offered by the North American Board of Certified Energy Practitioners (NABCEP).

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

A document providing guidance on integrating a PV array with a roof system.

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.

Website providing comparison charts and reviews of off-grid inverters for solar power systems.

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.

Large scale simulation study investigating the effects of cool roofs and walls on buildings of various vintages across the U.S., with special attention given to California.

Report aiming to "de-mystify" technology and economic considerations of residential PV systems.

Website estimating energy production and cost of energy of grid-connected photovoltaic (PV) energy systems throughout the world.

Searchable database of over 3,000 roofing products that have undergone solar reflectance and thermal emittance testing.

Searchable database of wall cladding and coating products that have undergone solar reflectance and thermal emittance testing.

A report presenting alternative approaches for reducing the costs of roof-mounted, grid-connected photovoltaic (PV) systems.

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.

Data tables on U.S. renewable energy consumption and general trends in the market for renewable energy.

The RERH specifications and checklists take a builder and a project design team through the steps of assessing a home’s solar resource potential and defining the minimum structural and system components needed to support a solar energy system.

Website tool intended to guide home builders in assessing whether a new home has the proper physical orientation to support a future installation of a solar energy system.

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.

Brochure with information on residential solar hot water systems.

Brochure detailing the guidelines, recommendations, and preferences of the City of Burnsville for citizens installing solar photovoltaics.

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.

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...

Information sheet describing solar PV upgrade for an existing homes.

Document discussing changes in testing the annual performance ratings for solar water heaters.

Recovery advisory guide providing guidance on existing code requirements as well as recommend best practices for attachment design, installation, and maintenance of rooftop solar panels to increase panel wind resistance in the U.S. Virgin Islands after Hurricane Maria.

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

Webpage discussing the characteristics of sunlight and how cool roofs work to reduce solar heat gain.

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.

Web page describing the basics of how to size and build a battery bank for electricity storage.

Paper describing the development and testing of an affordable net-zero energy house in Lenoir City, Tennessee.

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.

Website article describing the way solar panels are coupled to AC and DC battery energy storage systems.

Report providing a synopsis of a project to evaluate the performance of a roof-integrated solar water heating system.

SEIA resources page.

Tool determining the most economical and efficient photovoltaic array location and position.

Guidelines to assist builders in designing and constructing homes equipped with a set of features that make the installation of solar energy systems after the completion of the home’s construction easier and less expensive.

The Solar Rating & Certification Corporation is the leading solar heating and cooling product certification program in North America, certifying to the requirements of International and Uniform Codes and Standards