ASPE annual expo is this September 22nd – 23rd 2014 in Chicago. Celebrating 50 years of ASPE. This years expo is set to one of the biggest not just because of the extra celebratory activities but also because of the regional opportunities in the Chicago area. Earn almost one year’s worth of CEUs for your CPD re-certification whilst learning about new products. The expo brings together plumbing engineers, designers, specifiers, and contractors can learn about the latest plumbing products, services, and design techniques. Read More
Remember those hot and humid days at school, where your eyelids felt heavy and you couldn’t concentrate. I used to blame it on the boring old teacher, or the fact it was such a hot day outside. Well now we know different. Hundreds of studies have investigated the effects of bad ventilation in classrooms and the effect on student school work performance.
See link for more info. Lawrence Berkeley Lab
Most studies tend to concentrate on the CFM (cubic feet per minute) of the ventilation, or ACH (air changes per hour). But what are they changing out? What is being ventilated away from the students? Read More