Since its construction in 1908, Twin Maples has been a silent witness to history, some of it up close and very personal, including a 2008 top-to-bottom makeover. How did it become a green show house?

The Envision2 Compact Series commercial geothermal heat pump offers efficiencies and features in a cabinet that is among the industry’s smallest, making the unit ideal for boiler/tower applications and the replacement of aging water source heat pumps, the company says.

The question arises from time to time in building industry blogs about whether or not geothermal heat pumps (GHPs) are a source of renewable energy. So where do they fit? 

The Envision2 Compact Series commercial geothermal heat pump offers efficiencies and features in a cabinet that is among the industry’s smallest, making the unit ideal for boiler/tower applications and the replacement of aging water source heat pumps, the company says.

Sizes 160 (13.3 tons), 192 (16 tons), 240 (20 tons) and 300 (25 tons) have been added to the Tranquility Compact Belt Drive (TC) Series. These sizes are only available in a vertical cabinet. Vertical unit configurations can be ordered with front or back return air and top, front, or back supply air discharge.

Wolff Brother Supply Inc. recently welcomed contractors from all over Ohio to its Geo Expo. The event, held in Medina, Ohio, was put on with the help of ClimateMaster.

In addition to the 2012 Commercial Heating Showcase Product Grid, The NEWS spotlights the industry’s latest commercial heating products in this photo feature. The manufacturers provided the brief description of features included with each product.

While nonresidential construction spending has increased somewhat over the last year, current indicators show that this market is still not robust. Geothermal heat pump (GHP) systems seem to be bucking this trend, though, as most manufacturers state that sales of commercial equipment are increasing.

What were geothermal aficionados from nine states and Canada and a wide assortment of HVAC trucks and vans jammed into a field at the Oregon Dairy near Lancaster County, central Pennsylvania?

Featuring high EER — up to 22.2 at full load and 29.8 in part load — SmartSource™ water-source heat pump products offer low noise operation and a wide range of features and options. The electrically commutated motor (ECM) is a standard feature across the entire product line.