After years of planning, design, and construction, Belfast Cohousing & Ecovillage is complete. All of the homes were built to the passive house standard: they use 90 percent less energy to heat and cool than a typical code-built home. To maintain healthy IAQ, each home is equipped with a HRV system.
Bob and Tim were at the house of a customer who said that her air conditioning unit did not cool well in the hot weather three days ago. She said the unit actually froze up and had ice on the outdoor portion of the unit on the big line. She shut the unit off and called for service.
People who work in well-ventilated offices with below-average levels of indoor pollutants and carbon dioxide (CO2) have significantly higher cognitive functioning scores — in crucial areas such as responding to a crisis or developing strategy — than those who work in offices with typical levels, according to a new study.
An increasing number of cities and states are raising their minimum wages. As more politicians and union-affiliated groups push for higher minimum wages, employers need to prepare now for the significant financial, compliance, and regulatory challenges these changes bring.
The Chartered Institution of Building Services Engineers (CIBSE) Building Performance Conference and Exhibition was dominated by talks on building management system (BMS) security and the influence of occupant behavior on building performance.
ALDI has successfully deployed Siemens’ Site Controls Energy Management System (EMS) at nearly 1,500 of its retail locations. The majority of the installations were retrofits at existing stores replacing thermostats or third-party energy management systems, but Siemens also installed Site Controls in newly constructed stores as well.
In this month’s troubleshooting situation the equipment that needs servicing is a split system and the refrigerant flow control is handled via an electronic expansion valve (EEV) shown in Figure 1.
Barksdale Air Force Base is no stranger to hot weather, which can be a constant battle for maintainers and others who work out in the elements. Thankfully, 2nd Civil Engineer Squadron HVAC Airmen ensure there’s a cool place to escape to while also providing other benefits of heating and cooling that directly affect the mission.
Businesses that want potential customers to linger longer on their websites have an easy tool for making that happen — video. It turns out, giving website visitors text to read or photos to look at isn’t enough to keep them engaged. But add a video and they’ll hang around, on average, an extra two minutes.
A major report from the Royal College of Physicians and the Royal College of Paediatrics and Child Health has laid bare the risks to public health from air pollution, both outdoors and in domestic and work environments.