Cold climate air-to-water heat pumps Electrically powered heat pumps, in many varieties, are destined to play an increasingly important role in heating and cooling buildings around the world. John Siegenthaler P.E. June 23, 2016 An emerging renewable heat source for North American hydronic systems.Read More
Airstage VRF system from Fujitsu March 30, 2016 Fujitsu’s J-II single-phase VRF is a heat pump serving ambient heating and cooling applications in a 3- to 5-ton size range. 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
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
New heating textbook from John Siegenthaler January 29, 2016 pmecolumnist John Siegenthaler’s latest publication “Heating with Renewable Energy” is scheduled to be released this month. Read More
Vertical stacked water-source heat pump from Johnson Controls January 27, 2016 Johnson Controls’ new premium efficiency vertical stacked water-source heat pumps offer as high as 16.6 EER. 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
EPA heat pump water heaters from EnergyStar November 20, 2015 Save your customers thousands of dollars with Energy Star heat-pump water heaters. Read More
Historic farmhouse upgrades to geothermal heating The Cockayne Farm was at one time an internationally recognized Merino wool-producing farm in what is now Glen Dale, W.Va. Nadia Askar November 18, 2015 A geothermal heating/cooling system helps preserve this 19th century building.Read More
Geothermal heat pump from WaterFurnace December 8, 2014 WaterFurnace’s 3 Series 300A11 geothermal heat pump offers efficiencies up to 22.3 EER and 4.1 COP.Read More