Colorado researchers found that on average, more than half of the energy consumed by residential air conditioners deals with the humidity on a hot day.

Greenheck has added three new models to its line of high-performance residential energy recovery ventilators (ERVs).

Energy Star-certified buildings use an average of 35% less energy and are responsible for 35% less carbon dioxide emissions than typical buildings.

The Markham District Energy facility differs from standard applications because instead of relying on conventional energy sources, it captures waste heat from sewage, which enters at about 5°C and is converted into 95°C usable heat.

When considering radiant heating options, installers and homeowners are learning that using both hydronic and electric sources may be the best of both worlds.

Advanced electrode boilers are being installed to replace outdated, inefficient fuel-burning equipment in district heating applications as part of a broader effort to meet ambitious International Energy Agency decarbonization goals.

Unilever is launching two pilots to trial warmer ice cream freezer cabinets with an aim of reducing energy use and greenhouse gas emissions by approximately 20% to 30% per freezer.

Refrigerated Solutions Group and Budderfly announced the results of energy efficiency pilot projects across two Subway restaurant locations using RSG’s Capsule Pak ECO™.

The EERS required Indiana’s electric utilities to cut energy delivery by an average of 2 percent annually, as well as providing home energy assessments, low-income weatherization, and efficiency rebates for businesses, homeowners, and schools. In 2014, Indiana legislature passed SEA 340 to cancel the EERS. Then Gov. Mike Pence did not veto or sign the bill, so it became law, and Indiana became the first state to repeal its energy efficiency standard.

The building, which opened in September, features energy-saving qualities that include insulated walls, occupancy sensors for lighting, and high-efficiency HVAC and boilers.

End users are looking for more from their systems than just reliable cooling; they also want sustainable equipment that features better energy efficiency and low-GWP solutions. Several compressor manufacturers have happily obliged.

The initiative will also support Honeywell Energy Solutions Group’s existing multi-phase Energy Savings Performance Contract (ESPC) program with Boston as part of the Renew Boston Trust program to help achieve energy and carbon reductions in city-owned historic buildings.

Wisconsin just became the first state in the nation to launch the Home Efficiency (HOMES) portion of the IRA's rebate program.

The Inflation Reduction Act’s (IRA) tax credits and rebates can unlock thousands for residential homeowners looking to upgrade to energy-efficient HVAC equipment.

The Millennium Tower, a luxurious condo-and-retailer tower in Boston, will incorporate Schöck Isokorb® structural thermal breaks in the terraces at the penthouse levels to ensure thermal comfort in the city’s tallest and most expensive residential building. 

A new, national program from Carrier and Orca Energy, a leading geothermal utility provider, is designed to makes geothermal heating and cooling more accessible in new construction homes. Orca Energy will provide financing for geothermal earth loops in new residential developments with the purchase of a Carrier geothermal system.

PulteGroup Inc. announced it has completed construction of its zero net energy (ZNE) home prototype in Northern California. The new Pulte home, which is designed to generate as much energy as it uses, will be monitored for 12 months to evaluate its performance and identify opportunities for future enhancements.

Per the DOE’s second annual “National Energy Employment Analysis,” a total of 6.4 million Americans now work in the traditional energy and energy-efficiency industries. More than 300,000 net new jobs were added in 2016, which accounted for 14 percent of the nation’s job growth.

Manufacturers in the realm of IAQ are seeing an uptick in interest due to increased awareness among consumers as well, as the air quality concerns that come as a byproduct of efforts to tighten up buildings to increase energy efficiency. In response, they’ve been updating IAQ products for the age of the smartphone and the “smart” HVAC system.

The 2019 edition of ASHRAE/IES 90.1 will use the new fan energy index (FEI) as the metric for efficiency provisions.

Heat recovery systems can be divided into two categories based on the thermal parameters of the system: Systems with high and low thermal parameters.

Engineers say that, designed properly, run strategically, and equipped with the right accessories, air-handling units can help save energy in a commercial HVAC system.

Emerson spent more than three years researching and designing its 2018 Dealer Design Award gold-winning product in the Refrigeration and Ice Machines category.

Properly sealing and maintaining heating and cooling ducts is a low-cost measure that can improve energy efficiency.

The new comfort solution reduces energy use by 50 percent by using water more efficiently than the legacy system.

The awardees will focus on early-stage R&D projects exploring innovative technologies for drilling geothermal wells that show the ability to reduce non-drilling time, improve rates of penetration, and identify methods to accelerate the transfer of geothermal drilling and related technologies from the laboratory to the marketplace. 

Packaged rooftop units are the workhorses of the commercial market, providing cooling to approximately 60% of U.S. commercial building floor area.

The second phase will take place on Jan. 1, 2023, and require an additional 15% increase in efficiency.

Manufacturers were eager to show off their latest energy-efficient RTUs, many of which can also be used to meet building owners’ decarbonization and electrification goals.

Working through one company and a fixed stipend, EaaS/EEaaS is designed to simplify and streamline all on-site efficiency upgrades, eliminating massive equipment costs, supply chain delays, unexpected maintenance charges, and more.

The District is launching both the Home Efficiency Rebates (HER) and the Home Electrification and Appliance Rebates (HEAR) programs to lower energy bills by lowering costs for energy-efficiency home improvements.

New Mexico is jump-starting its rebates program by offering low-income owners of single-family homes up to $1,600 off of home insulation purchased at participating retailers. Later, the state will offer rebates for heat pumps and other high-efficiency appliances.

Renewable energy enthusiasts now have reason to celebrate: EVAPCO offers a solar-powered evaporative cooling tower. The SUN cooling tower is paired with PV panels to dramatically reduce energy consumption.  

Although evaporative cooling is great at saving energy, it does consume some water, but the benefits on energy savings outweigh the water usage, which in some places is a scarce resource.

Constellation’s Offsite Renewables Plus (CORe+) retail power product, combined with Johnson Controls’ commitment to renewables, is supporting the development of two new Welcome Solar renewable energy facilities.

Now available with Bluetooth, this product provides users full access to all features of their devices, such as apps and email.

The smart thermostat market continues to get crowded.

The honor complements the Energy Star Partner of the Year Sustained Excellence award, which was announced earlier this year in the U.S.

Many of Fujitsu General America’s Halcyon mini-split system products now qualify for Energy Star Most Efficient certification.

The proposed new approach to chilled water HVAC systems promises to provide significant capital cost savings, energy cost savings, and a path to eliminate CO₂ emissions.

Though geothermal systems can cost several times more than traditional HVAC units, the energy savings may be substantial.

As Rochester city leaders set the ambitious goal of reducing greenhouse gas emissions by 50% by 2030 and 100% by 2050, the challenge is now how to follow through.

Determining the right pump to save energy in a given application can be broken down into three general steps.

The proper application of modern HVAC technologies can help maximize indoor air quality while minimizing losses in operational efficiency.

State and local regulations are driving new building construction as well as existing buildings to implement energy-efficient technologies in order to meet future carbon emissions reduction goals. These facilities, known as high-performance buildings, strive to deliver optimal efficiency, reliability, value, and comfort to tenants.

In supermarkets, where HVAC and refrigeration equipment use 50 to 60 percent of all electricity consumed, new technologies and advanced control strategies have been developed to help boost energy efficiency as well as reduce emissions.

Here are two examples of the difference that high-performance building features and high-efficiency HVAC technology can make.

This product is integrated to help users work toward earning LEED requirements and other sustainability and accreditation and education agendas.

Johnson Controls announced that it closed an agreement to purchase the EasyIO Building and Energy Management System (BEMS) product line.

Aircuity has been named a New York State Energy Research and Development Authority Qualified Vendor for the RTEM program.