Good internal design improves thermal storage tank performance Stranded Btu. John Siegenthaler P.E. May 27, 2016 Over the last three years I’ve been working extensively on technical issues related to wood-fired biomass heating systems. Read More
Exploring all the aspects of tubing depth What difference does it make? John Siegenthaler P.E. April 21, 2016 It’s about the effect tubing depth has on the thermal performance of a heated floor slab. 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
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
How to extract more heat from thermal storage John Siegenthaler P.E. October 23, 2015 Nearly all space heating systems that include renewable energy heat sources have a thermal storage tank. Read More
How to use outdoor reset controls in renewable energy heat source systems The lower the better. June 22, 2015 Ideally, every heating system would continuously adjust its rate of heat delivery to match its building’s current rate of heat loss. Read More
Renewable Heating Design: A complementary relationship They rely on two-stage combustion where wood is heated in a primary chamber. John Siegenthaler P.E. March 25, 2015 A complementary relationship with wood gasification boilers and modern hydronics.Read More
A sampling of low-temperature heat emitters John Siegenthaler P.E. December 4, 2014 When you look at the big picture of hydronic heating on a worldwide basis, one of the most evident trends is migration toward low-temperature distribution systems. Read More
Pellet-fueled boilers are sized differently from conventional units Bigger is not better. John Siegenthaler P.E. July 29, 2014 Pellet-fuel boilers come closest to mimicking the fully automatic operation of oil- and gas-fired boilers. Read More