The rise of cost-effective geothermal systems Geothermal heat pump systems have been growing in use since first being deployed successfully in the 1970s. Mark Stimson August 23, 2016 New partnerships give options to offset the initial investment of geothermal HVAC.Read More
Different ways to pipe a thermal storage tank Four-pipe vs. two-pipe. John Siegenthaler, P.E. March 22, 2016 Different ways to pipe a thermal storage tank.Read More
Obituary: Tom Huntington of WaterFurnace International February 11, 2016 Before joining WaterFurnace in May 2009, Tom Huntington had a distinguished career in the heating, ventilation and air-conditioning (HVAC) business.Read More
WaterFurnace President and CEO Huntington dies February 11, 2016 Before joining WaterFurnace in May 2009, Tom Huntington had a distinguished career in the heating, ventilation and air-conditioning (HVAC) business.Read More
Renewable Heating Design: Geothermal heat pumps John Siegenthaler, P.E. December 21, 2015 With the right design, geothermal heat pumps can work in a variety of applications.Read More
Geo-Flo names Wyer new president June 15, 2015 Previously he was director of engineering for the company’s geothermal flow center and hydronic product lines.Read More
A unique air-to-water heat pump system from a business entrepreneur Air-to-water heat pumps extract low-temperature heat from outdoor air and deliver it to a stream of water. John Siegenthaler, P.E. September 24, 2014 The big guy doesn’t always win. Read More
Our industry needs more focus on distribution systems It’s not all about the boiler. John Siegenthaler, P.E. May 21, 2014 As an industry, we have to move beyond judging the quality of a hydronic system based solely on the heat source. Read More
Get real — get hydronic heat Reality shows. Dan Holohan May 21, 2014 An old, cast-iron pipe, with the slightest amount of water in it for two winters can crack laterally and for quite a few feet.Read More
Variable-capacity geothermal heat pump WaterFurnace’s 7 Series geothermal heat pump surpasses both 41 EER and 5.3 Coefficient of Performance efficiencies. March 17, 2014 The unit utilizes a soft-start variable-capacity compressor, in concert with a variable-speed ECM blower and variable-speed loop pump. Read More