John Siegenthaler Investigates: Low Ambient Air-to-Water Heat Pumps Low Ambient Air-to-Water Heat Pumps: An emerging renewable heat source for North American hydronic systems. Electrically powered heat pumps, in many varieties, are destined to play an increasingly important role in heating and cooling buildings around the world. Heat pumps capture… Continue reading “John Siegenthaler Investigates: Low Ambient Air-to-Water Heat Pumps”
Radiant Heating Case Studies: Ceiling Panels & Injection Piping Expert instructor Dave Yates answers student questions with customer anecdotes on the Fundamentals of Radiant Heating discussion board Student 1: I’ve seen two references in the course to “high temperature” ceiling panels needing to be at least 8 feet above the… Continue reading “Radiant Heating Case Studies: Ceiling Panels & Injection Piping”
1 Simple Trick to Get the Most Of Your Condensing Boiler Want to get the most from your condensing boiler? Lower the temperature. by Roy Collver One of the most effective energy saving technologies we have available to us right now, is the condensing boiler. Coupled with a well-designed low temperature… Continue reading “1 Simple Trick to Get the Most Of Your Condensing Boiler”
Six Drainback Questions for Radiant Heating Pros to Consider Vaughan Woodruff answers student questions regarding drainback systems on the Solar Approaches to Radiant Heating discussion board… Student 1: I have several questions on drainback systems for you… Question #1 When the solar storage tank has satisfied and the system goes… Continue reading “Six Drainback Questions for Radiant Heating Pros to Consider”
Sizing a Pellet-Fueled Boiler Sizing a Pellet-Fueled Boiler Bigger is NOT better There are several types of boilers that can burn wood-based fuels. They include 2- stage wood-gasification boilers, wood chip boilers, and pellet-fueled boilers. Of these, pellet-fuel boilers come closest to mimicking the… Continue reading “Sizing a Pellet-Fueled Boiler”
Hydronic Heating with Renewable Energy Heat Sources Hydronic Heating with Renewable Energy Heat Sources Designing for low water temperatures is critical to good performance This article focuses on using water-based hydronic distribution systems to distribute heat produced by renewable energy heat sources. It’s based on the premise… Continue reading “Hydronic Heating with Renewable Energy Heat Sources”
Wood Gasification Boilers: Circulation, Power Interruption & Pump Acceleration On the Hydronic-Based Biomass Heating Systems Discussion Board… Why we don’t use the UPS to drive the main circulator to continue operations in case of power interruption? What determines when wood gasification boilers begin to circulate? Do variable speed pumps allow… Continue reading “Wood Gasification Boilers: Circulation, Power Interruption & Pump Acceleration”
Part Two of John Siegenthaler’s Free Hydronics Lesson: Pipe Expansion John Siegenthaler is the grandmaster of hydronic heating systems and in our last video, he covered fittings. In this 12 minute segment, John discusses pipe expansion. This is obviously critical information for anyone designing high-performance hydronic systems. Click here to… Continue reading “Part Two of John Siegenthaler’s Free Hydronics Lesson: Pipe Expansion”
Free Hydronic Design Video From John Siegenthaler This ten minute video is all about fittings. Fittings can be an afterthought, but they are a critical component for designing a high-performing hydronic heating system. In this video, John Siegenthaler outlines the universe of fittings, and even tells you… Continue reading “Free Hydronic Design Video From John Siegenthaler”