Library

Report describing the various heat pump retrofit options for multifamily buildings in the U.S., segmented by building typology and heating system, to support better environmental, economic, and health outcomes.

Presentation about heat pump water heater modeling using EnergyPlus.

Article discussing the advantages of using heat pumps and/or hydronic forced air heat instead of furnaces in high-performance homes.

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

Report discussing the potential energy savings of new high-efficiency downlights, and the results of product testing to date.

Website for consumers describing heat pump water heater technology and linking to retailers and installers.

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

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

Factsheet describing how to partially install a heat pump in a manufactured home in the manufactured home factory.

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

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

Report providing information about energy-efficient heating, ventilation, and cooling (HVAC) equipment options to help homeowners cut their energy use, reduce their carbon footprint, and increase their homes comfort, health, and safety.

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.

Software tool available free online that can help calculate heating and cooling requirements to accurately size HVAC equipment in as little as 15 minutes.

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

Report evaluating the relative effectiveness of various control and distribution strategies to improve hydronic space heating performance in existing low-rise multifamily buildings

Report presenting improved air conditioner (AC) and heat pump (HP) modeling methods in the context of whole-building simulation tools.

Presentation on Improving Air-Conditioner and Heat Pump Modeling.

Report examining the impacts that common installation practices and age- induced equipment degradation may have on the installed performance of natural gas furnaces, as measured by steady-state efficiency and AFUE.

Report providing information about techniques and approaches to improve the efficiency of recessed lighting.

Fact sheet describing the newly developed Ventilation-Integrated Comfort System (VICS) that reduces space requirements and eliminates costly ductwork for separate heating, cooling, and ventilation systems, all while enhancing performance, addressing the demand for energy-efficient homes, and...

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.

Video course by the Lighting Controls Association presenting an overview of the basic functionality of today’s lighting controls, benefits and the basic questions to ask when identifying an appropriate lighting control strategy

Report describing the results of a 21-home field study investigating the effectiveness and failure rates of whole-house mechanical ventilation systems installed in Florida homes over the last 15 years.

Research report discussing the reduction of HVAC energy consumption to meet U.S. greenhouse gas targets and DOE's energy-efficient building goals. It introduces iComfort, an IoT-based system for optimizing home comfort and energy savings.

Article discussing the downside to recessed can lights.

Report on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Guidance on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Report presenting lab evaluation of five heat pump water heaters available in the US market today.

Report proposing mini-split heat pumps as a new retrofit option to replace resistance heating in the Pacific Northwest.

A website explaining the measurement of light bulbs, measurable in lumens, & brightness levels that ENERGY STAR products produce.

A website explaining the basics of LED lightning, their lifespan, their use in general lighting applications, the amount of heat produced, and why you should choose ENERGY STAR certified LED products for your home.

Information about LED lighting technology.

A fact sheet providing information on ENERGY STAR certified LED bulbs & how to find the right one to fit your lighting fixture.

Webpage describing a lightbulb exchange program in Fairfax county, VA.

The light-emitting diode (LED) is one of today's most energy-efficient and rapidly-developing lighting technologies.

ENERGY STAR lightbulb criteria.

A website explaining why homeowners should install ENERGY STAR certified lightbulbs, which helps to save homeowners on utility bills and protect the environment.

American Lighting Association website homepage.

Webpage describing high-efficiency lighting choices for homeowners including LEDs, CFLs, and halogen bulbs.

A website exploring the use of lighting controls products like dimmers, motion sensors and timers to save energy in the home.

Presentation detailing key challenges with lighting controls, best practices for the design and implementation of lighting controls, and best approaches for return on controls.

Link for the webpage of the Lighting Controls Association, an industry organization dedicated to supporting adoption of advanced lighting controls in commercial buildings through education. Their webpage contains a variety of resources regarding advanced lighting controls.

Webpage for the Lighting Design Lab (LDL), an organization which provides educational resources regarding advanced lighting controls and other electric building technologies.

A website explaining basic lighting principles and terms & how they are applied to the home.

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.

A website explaining lumens & how to compare the amount of light that lightbulbs can produce when shopping for replacements.

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.

Document intended for designers and installers of hydronic heating systems interested in maximizing the overall system efficiency of condensing boilers when coupled with baseboard convectors. It is applicable to new and retrofit projects.