WaterFurnace heat pump with vapor injection November 20, 2015 WaterFurnace’s 5 Series 504W11 with OptiHeat vapor injection technology is ideal for high-temperature applications. Read More
ClimateMaster variable-speed heat pump November 20, 2015 ClimateMaster’s Trilogy 45 Q-Mode is a variable-speed geothermal heat pump system. Read More
Modine Energy Star-rated heat pumps November 20, 2015 Modine’s geothermal systems offer an enhanced control platform.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
Dubious solar hot water drainback The Glitch & The Fix, October 2015 John Siegenthaler, P.E. October 14, 2015 An installer uses an unpressurized thermal storage tank for drainback protection of a solar thermal system, and carefully slopes all the collectors and collector array piping for 1/4 in. per ft. drop. Read More
Viessmann celebrates 25 years in the United States October 8, 2015 In early September, Viessmann celebrated 25 years of business in the United States at the company’s U.S. headquarters in Warwick, R.I. Read More
Solar freeze protection John Siegenthaler, P.E. September 28, 2015 Why I prefer drainback solar thermal systems.Read More
Bosch to give awards for energy-efficient projects July 30, 2015 To qualify, submitted project work must have been completed between Jan. 1, 2014, and Nov. 30, 2015.Read More
Biomass boiler cycling John Siegenthaler, P.E. July 20, 2015 A significant temperature change is needed for effective thermal storage.Read More