John Siegenthaler: iPads are no replacement for hands-on experience
Over the last few months, I’ve had several inquiries from people eager to get into the hydronics industry.
View ArticleModern Hydronics Done Right
We are proud to present the first of five eBooks specifically for the hydronics market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this eBook is a collection of...
View ArticleModern Hydronics Done Right Volume 2
The second of five eBooks for the hydronics market is here! Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this eBook is a collection of columns and articles from John...
View ArticleModern Hydronics Done Right Volume 3
We are proud to present the third of five eBooks specifically for the hydronics and radiant heating/cooling market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this...
View ArticleJohn Siegenthaler: A geothermal comfort solution
The geothermal heat pump market is headed for another strong year in 2019. The 30% uncapped federal income tax credit on EnergyStar-rated geothermal heat pumps remains in full effect.
View ArticleJohn Siegenthaler: Be explicit on tubing depth in a slab
A commonality among all renewable energy heat sources is that they perform best when coupled to low-temperature hydronic distribution systems.
View ArticleJohn Siegenthaler: Staying above the dewpoint
All boilers that burn hydrocarbon fuels (gas, oil or wood) produce water vapor as a byproduct of combustion.
View ArticleJohn Siegenthaler: A geo turnaround
I recently helped install a closed-loop geothermal heat pump system for my daughter, her husband and their 1-year old son, Henry.
View ArticleModern Hydronics Done Right Volume 4
We are proud to present the fourth of five eBooks specifically for the hydronics market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this FREE eBook is a collection...
View ArticleJohn Siegenthaler: Tracking energy flows in a geothermal heat pump
Geothermal (a.k.a. ground-source) heat-pump systems continue to be a popular topic in HVAC discussions. Many state and federal agencies are now offering generous incentives for installation of...
View ArticleJohn Siegenthaler: Pellet-fired boilers need thermal storage
The market for pellet-fueled “biomass” boilers continues to grow in North America. This market expansion is driven by several factors.
View ArticleModern Hydronics Done Right Volume 5
We are proud to present this fifth and final edition in the "Siggy" eBook series specifically for the hydronics market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times,...
View ArticleAre You 'Future-Proofing' Your Hydronic System Designs?
Although I’ve worked with hydronic heating for four decades, and designed systems around just about every possible heat source, I would be hard pressed to predict what might be available as hydronic...
View ArticleJohn Siegenthaler: Approaching perfection
We live in a world where most theoretical ideals can only be approached rather than fully realized.
View ArticleJohn Siegenthaler: A simple way to set up lead/lag heat sources
I’m fortunate to be living next door to a very unique hydronic heating/cooling system.
View ArticleJohn Siegenthaler: Why geothermal earth loops need expansion tanks
There are sorted opinions about using expansion tanks within closed geothermal earth loops.
View ArticleJohn Siegenthaler: Combining heat pumps with buffer tanks
Whenever a hydronic system is divided into several zones, it’s worth considering a buffer tank between the heat source and distribution system.
View ArticleJohn Siegenthaler: Inadvertent flows?
I recently reviewed a project in which a municipal building was being connected to a district heating system supplied by pellet-fueled boilers.
View ArticleJohn Siegenthaler: Calculated versus measured
Formula 1 below should be recognized by anyone who designs hydronic heating and cooling systems.
View ArticleDetails for small-scale hydronic cooling
Most of the modern hydronics technology used in North America for residential and light commercial buildings is for heating.
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