Biomass Heating


Biomass thermal energy is the use of biomass for space and domestic water heating, process heat, and the thermal portion of combined heat and power.

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Designing Wood Gasification Boiler Protection Systems: T & ∆T Pumping: An application that leverage both strategies

This is a guest article from John Siegenthaler. In the fall, John is teaching an advanced design course on Hydronic-Based Biomass Heating Systems. This is the most advanced and technically challenging biomass design course that you’ll find anywhere. The capstone project for the class will be designing a system and getting it reviewed by John. […]

John Siegenthaler, Biomass Thermal Energy Council, and HeatSpring Launch Hydronic-Based Biomass Design Course

Hydronics expert John Siegenthaler, the Biomass Thermal Energy Council (BTEC), and the online technical training experts at HeatSpring have teamed up to launch a 10-week online course: Hydronic-Based Biomass Design.
The course starts on September 15th. The course is capped at 50 students but we provide 30 discounted seats for those that sign up early. Click […]

May 12th, 2014|Categories: Biomass, Hydronic Heating, Uncategorized||

5+ Trends that will Drive the Growth of the Hydronic Industry in the Next 3 Years: A 30-Minute Conversion with John Siegenthaler

There are a variety of forces changing the dynamics of the hydronic heating and renewable thermal industries that were not happening five years ago. While hydronic distribution is still attractive for similar technical reasons that it was five years ago—comfort, air quality, etc.— there are a host of new trends that can have the ability […]

5 Tips on Designing Vertical or Slinky Geothermal Loop Fields

We’ve found it useful to focus on both articles that will help companies with their sales and marketing AND design and installation. A few weeks ago, I shared a piece – thanks to Ryan Carda – on geothermal flow path analysis for ground loop design that came from a discussion forum from our advanced geothermal design course.  My plan is to share more technical discussions that are happening within the course. If you are installing or designing geothermal projects, these articles will be useful to you if you never take the training. This is my goal.

If you need to learn more about the basics of high performance building and HVAC technologies and principles, we’ve created an amazing free class for you. Our Free Course: High Performance Building and HVAC is the most in-depth, best free course on high performance buildings and HVAC systems available on the internet. You’ll learn from all of the smartest industry experts. The class has 20+ of video lesson, plenty of reading assignments and a number of free tools. It will drastically decrease your learning curve on these subjects. Topics include, residential building enclosures and ventilation, zero net energy homes, passive house design principles, biomass heating, ground source heat pumps and solar thermal. Click here to sign up for High Performance Building and HVAC. 

Here are a few tips on on vertical and slinky bore design.

Vertical Bore Design

1)      The target (optimum) flow rate versus pipe size is:

2.8 – 3.2 gpm per loop for ¾” loops
4 – 6 gpm per loop for 1” loops
5 – 9 gpm per loop for 1.25” loops

Staying within those flow ranges per loop will keep you well below the maximum recommended flow rate for head loss (4 ft per 100’ of pipe length, Figure 5.4) and above the minimum flow rate required for turbulent flow.  For the vertically-bored design, I recommend using two loops for 6 gpm per loop with 1.25” pipe.

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[Photos] How to Frame a Super Insulated Home

There has been a lot of hoop-la and craziness around passive homes, net zero energy homes, and super energy efficient homes. I’ve been amazed at how easy it can actually be. My friend is building a house that will burn less then a cord of wood per winter. His building cost? Around $100 to $110 per square foot. Yes, he did do a lot of the work himself. However, if a contractor would do it, the price would still be on par with normal construction.

If you need to learn more about designing a zero net energy home, high performance building and HVAC technologies and principles, we’ve created an amazing free class for you. Our Free Course: High Performance Building and HVAC is the most in-depth, best free course on high performance buildings and HVAC systems available on the internet. You’ll learn from all of the smartest industry experts. The class has 20+ of video lesson, plenty of reading assignments and a number of free tools. It will drastically decrease your learning curve on these subjects. Topics include, residential building enclosures and ventilation, zero net energy homes, passive house design principles, biomass heating, ground source heat pumps and solar thermal. Click here to sign up for High Performance Building and HVAC. 

Before we talk about building a super insulated home, first you need to understand how to design a super efficient shell. The below 26 minute free video lesson is from Marc Rosenbaum’s 10 week, “Zero Net Energy Design” class, where students learn how to design a zero net energy home in 10 weeks.

Here’s how he did it.

1 – Keep the house small. Less resources, cheaper, and less energy use. At 1600 square feet the house will use about a half of cord of wood be winter. We’re burning mainly maple which is 20 million BTUs per cord. Thus, he’ll burn 10 million BTUs per winter. This averages around 55,000 BTUs per day. Don’t believe me, this house will use the tiniest wood stove he could find.

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