http://netvouz.com/noblex/tag/pump?feed=rss noblex's bookmarks tagged "pump" on Netvouz http://www.scribd.com/doc/82194454/Geothermal-Systems-Heating-From-the-Ground-Up Source: http://www.listfree.org/38824-geothermal-systems-heating-from-the-ground-up.html The demand on maintenance and engineering managers to provide comfortable temperatures and good indoor air quality while keeping a tight grip on the budget is among their greatest challenges. On top of the energy costs, there is a maintenance cost for HVAC, boilers, chillers and cooling towers, which can stretch staff skills and time in many directions. noblex Mon, 20 Feb 2012 16:24:30 GMT