When did people start using cool air for comfort? Thousands of years ago, the wealthiest of the Romans used aqueducts that ran cool water from the springs, wells and rivers through their walls of the structure to keep them cool. Today, we call that chillers (and it is almost the same principle). Refrigeration was then […]
In a settlement filed late Friday afternoon, the Department of Energy (DOE) has agreed to withdraw the pending efficiency change for residential and mobile home gas furnaces. According to the terms of the settlement, the minimum AFUE standard change from 80% for 90% in the Northern region is vacated, along with the pending May 1, […]