We’ve been dealing with the ASHRAE ventilation standard for a while. 62-89 goes way back. We used that one for a long time, and it worked well enough. After we taught our students how to use 62-89, they could understand it and implement it. Then came 62.2. We...
The Best Investment For Buildings We energy specialists brag about investing the customer’s money at 50% to 100% return on investment, which translates to a one or two year payback. Preventive maintenance (PM) can provide much better payback compared to insulation or...
Our Current Energy Standards-Making Process Engineers and other contributors often write national energy standards, or change them without a clear idea of the desired benefits or the unintended consequences. The process of updating standards resembles software...
I’ve done three superinsulation retrofits. The cost range is somewhere in the range of $35 to $70 per square foot of conditioned floor space. The best opportunity for a superinsulation retrofit is when you’re remodeling or renovating a home. ...
The American Society of Heating Refrigeration and Air-Conditioning Engineers (ASHRAE) published its current ventilation standard, 62.2-2010 in 2010. The standard has been controversial when applied to existing homes, especially in the Department of Energy’s...