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”
Solar Sharing Spotlight (or Sunlight?) on Boston’s ‘Yeloha!’ Disruptive technologies like Uber have made car pooling the new norm for transportation, changing the way we travel and the way we think about our vehicles. Crowd sourcing companies like Uber also raise the question: what other existing resources can we ration… Continue reading “Solar Sharing Spotlight (or Sunlight?) on Boston’s ‘Yeloha!’”
Two New Free Lectures on Healthier Homes and Buildings Enroll in Two New Free Lectures on Healthier Homes and Buildings Carbon Monoxide: What We Do Not Know Can Hurt Us‘ and ‘Green, Healthy & Profitable Buildings and Homes‘ In his free ‘Carbon Monoxide: What We Do Not Know Can Hurt… Continue reading “Two New Free Lectures on Healthier Homes and Buildings”
Free Lectures: The Greenest Urban Building in the U.S. & The Largest HVAC Experiment Enroll in Two New FREE Sustainable Building Advisor Lectures “The Greenest Urban Building in the United States” & “The World’s Largest Side-by-Side HVAC Experiment” The Greenest Urban Building in the United States Remi Tan of KMD Stevens describes the San… Continue reading “Free Lectures: The Greenest Urban Building in the U.S. & The Largest HVAC Experiment”
Free Lecture: ‘Real Zero’ Net Energy Homes Enroll in ‘Real Zero‘ today! In this free lecture, Bruce King discusses the faults of our current home construction elements and the industry shift toward “net zero” buildings. During the lecture, King addresses questions that often arise in the green building… Continue reading “Free Lecture: ‘Real Zero’ Net Energy Homes”
Leaders in High Performance Building: Addition & Full Gut Renovation At HeatSpring, we celebrate innovative builders and designers who work to improve the overall quality and performance of public and residential buildings… Our Leaders in High Performance Building Giveaway was created for those who have helped plan, design, construct, and/or operate a high performance building. Entrants… Continue reading “Leaders in High Performance Building: Addition & Full Gut Renovation”
Robert Bean on Fluid-Based System Concerns in HVAC Engineering On the Integrated HVAC Engineering Discussion Board… Robert Bean discusses losing boiler efficiency, vs. losing radiator efficiency, cycling a boiler to maintain average temperature in a system, using 3 way mixing valve (instead of a circulator) to control the temperature of the on the load… Continue reading “Robert Bean on Fluid-Based System Concerns in HVAC Engineering”
Solar Loans for Residential Solar in Massachusetts This article was written by Wendy Rowland who recently completed a SMOC, MassCEC, and a HeatSpring solar course that provides skill-based training for professionals seeking to enter the renewable energy industry. One important aspect of formulating a business strategy is… Continue reading “Solar Loans for Residential Solar in Massachusetts”
Free Lecture: Human Habitat – The Evolution of Efficiency Enroll in Human Habitat: The Evolution of Efficiency today! “You can judge your impact on the planet by how much energy you use.” Chris Dorsi characterizes a dozen countries around the world in terms of electricity consumption, or kWh per… Continue reading “Free Lecture: Human Habitat – The Evolution of Efficiency”
Leaders in High Performance Building: A Passive House in Vermont At HeatSpring, we celebrate innovative builders and designers who work to improve the overall quality and performance of public and residential buildings… Our Leaders in High Performance Building Giveaway was created for those who have helped plan, design, construct, and/or operate a high performance building.… Continue reading “Leaders in High Performance Building: A Passive House in Vermont”
FREE Lecture: Passive House – Less Energy and More Comfort Enroll in ‘Passive House: Less Energy and More Comfort‘ today! In this free lecture, James Bill cites several examples of Passive Houses and the comfort and efficiency these structures provide. Bill discusses the “FRAM” by Fridtjof Nansen (this first crew spent… Continue reading “FREE Lecture: Passive House – Less Energy and More Comfort”
Does Source Energy = Site Energy? On the Zero Net Energy Homes discussion board, Marc Rosenbaum clarifies… when it comes to electricity, IS source energy the same as site energy? Student 1: The (course) book says that for electricity, source energy equals site energy… but, there is… Continue reading “Does Source Energy = Site Energy?”
Growing the Microgrid Business in the U.S. & Underdeveloped Regions On the Microgrid Executive MBA Discussion Board How will the microgrid business grow and how can the model be adapted in underdeveloped or poor regions? Microgrid expert and course instructor Mahesh Bhave answers student questions… Mahesh Bhave: Here is a good question from… Continue reading “Growing the Microgrid Business in the U.S. & Underdeveloped Regions”
Floor Joist Heating Issues: Siegenthaler Suggests… On the Hydronic Based Biomass Heating Systems Discussion Board, John Siegenthaler answers student questions… How do you deal with cold floors over unheated or outdoor spaces? If radiant heat (typically used for walls/ceilings) for joisted floors is properly designed and installed,… Continue reading “Floor Joist Heating Issues: Siegenthaler Suggests…”
Solar PV Storm and AC vs. DC Safety Considerations On the Solar PV Installer Boot Camp Training + NABCEP Entry Level Exam Prep discussion board… Student 1: Fred, what is the standard for lightning protection systems? The book touches this topic briefly. Is it the norm to have lightning protection? Do… Continue reading “Solar PV Storm and AC vs. DC Safety Considerations”
Residential Energy Auditor Position: Woburn, MA Residential Energy Auditor Central Cooling & Heating Inc. – Woburn, MA About Central Cooling & Heating Inc. Central Cooling is the largest dealer of Carrier residential HVAC systems in the Eastern Massachusetts. We are a multiple winner of Carrier’s “Dealer… Continue reading “Residential Energy Auditor Position: Woburn, MA”
Two New FREE Building Automation Tools Download Two New FREE Building Automation Tools Multi-Tier Project Check List – Tier I & Sample HVAC Wall Units Points List Profile #85.40 The Multi-Tier Project Check List spreadsheet is an example of a simple project check list of ownership and responsibilities. The… Continue reading “Two New FREE Building Automation Tools”
Download HeatSpring’s FREE Women in Solar Energy Career Guide! Three months and 24 interviews later, HeatSpring and RenewableEnergyWorld.com‘s Solar Women Summer Series has finally come to a close! NOW, you can download our FREE Women in Solar Energy Career Guide today. This free guide is intended to introduce women to career… Continue reading “Download HeatSpring’s FREE Women in Solar Energy Career Guide!”
Building Codes, Efficiency & Passive House Principles On Existing Homes On the Passive House in the Real World (with Mike Duclos) discussion board… Takeaways: Homeowners looking to incorporate Passive House principles in existing buildings should consider getting a home energy audit. Still, after a home is built, serious energy reductions (say 50% to 90%) become very expensive.… Continue reading “Building Codes, Efficiency & Passive House Principles On Existing Homes”
Economic Modeling Basics for A Solar Project Happening on the Solar Executive MBA Discussion Board… ___________________________________ Construction Debt/Loans, SRECs & Purchasing vs. Leasing a Site Student 1: 1. What is the difference between project debt and the construction loan? 2. What is SREC and Single SREC? 3. If the… Continue reading “Economic Modeling Basics for A Solar Project”