This technical bulletin highlights the differences and similarities between the three different ENERGY STAR Multifamily New Construction paths (ERI, ASHRAE and Prescriptive) and clarifies the Rater's responsibilities for each Path.
Americans are rapidly adopting plug-in electric vehicles (EVs). In fact, the Edison Electric Institute and the Institute for Electric Innovation estimate that 18.7 million EVs will be on U.S. roads by 2030. Because 80 percent of EV charging happens at home, consumer demand for homes ready for or equipped with EV charging is also growing. In addition, an increasing number of localities, such as Atlanta, Denver, and much of California, have begun to require that EV charging infrastructure be included in all newly-built single-family homes. Builders in other areas are starting to pre-wire or install charging units as a value added feature of their new homes as well.
Demand water heaters - also known as tankless, instantaneous, or instant-on water heaters - are growing in popularity. These water heaters offer numerous advantages over traditional storage water heaters and are available for all major fuel types: electric, natural gas, and propane. Not only can demand water heaters improve convenience and comfort for the homeowner, they can make it easier to achieve the HERS Index Target for ENERGY STAR certification.
The average American household spends nearly half of their annual energy bill on heating and cooling. ENERGY STAR certified smart thermostats automatically adjust a home' temperature settings for optimal performance. This Technical Bulletin will offer tips and considerations for incorporating smart thermostats into ENERGY STAR Certified Homes and promoting their benefits to home buyers and renters.
Builder partners sometimes misunderstand ENERGY STAR program requirements and overestimate the level of upgrades needed to participate. The truth is that ENERGY STAR might be an easier lift than you think. This technical bulletin presents four facts about ENERGY STAR program requirements that are commonly misunderstood.
The two most commonly used residential HVAC design programs, Wrightsoft Right-Suite Universal and Elite RHVAC, can now automatically generate the ENERGY STAR HVAC Design Report. Before, HVAC designers laboriously copied design information onto the HVAC Design Report manually. With this major step forward, the HVAC Design Report is completed fast and accurately, standardizing the exchange of information between the HVAC and HERS rating industry.
ENERGY STAR had long offered two ways to certify modular homes: a plant-certification path and a Rater-verification path. With the introduction of Revision 09, the infrequently used plant-certification was eliminated to reduce potential marketplace confusion. Going forward, all modular homes permitted after January 1, 2019 should be verified using the same Rater-based process and program requirements as site-built homes.
The transition to EPA's ENERGY STAR Multifamily New Construction (MFNC) program is fast approaching. Is your project team ready? Key participants for the Multifamily New Construction program include builders / developers, raters, functional testing agents, and ASHRAE path energy modelers. This technical bulletin highlights the key steps to complete before starting an MFNC project.
Earlier this year, RESNET added an Index Adjustment Factor to the ANSI/RESNET/ICC 301-2014 Standard. While the Index Adjustment Factor (IAF) sounds a lot like ENERGY STAR’s Size Adjustment Factor (SAF), it actually serves a different purpose.