A transpired collector is a south facing outside wall covered by a dark sheet metal collector. The collector heats outside air, which is then sucked into the building’s ventilation system through perforations in the collector. They have been used for pre-heating ventilation air and crop drying. They are inexpensive to make, and commercially, have achieved […]

Fuel costs hurt RCL’s profitMiami Herald - Royal Caribbean said Thursday that second-quarter profit dropped 21 percent due in part to rising fuel costs. Yet, the world’s second-largest cruise line operator said it was able to offset some of those rising fuel costs and beat expectations

Air-Conditioning Business Is Heating Up  KWWL-TV Iowa City - Aug 01 12:12 PM The sweltering summer heat continues to plague eastern Iowa as temperatures hovered around the mid nineties today. This hot weather has many heating and cooling businesses working overtime to keep their customers comfortable.Save to My Web

This system is also referred to as a batch heater and a breadbox. It consists of an approximately 40-gallon insulated tank, lined with glass on the inside and painted black on the outside. It is mounted on the roof, or on the ground in the sun. Plumbing from the house supplies the box with cold […]

Market watch  AG Weekly - Jul 31 8:08 AM In August, I expected weather to dominate trade activity for the month, and I said December corn could trade as high as $2.55 to $2.65 on weather concerns. The high was made at $2.51 on Aug. 1. I also expected corn to trade as low as $2.20 […]