Free Solar Design Tool: String Sizing Tool For Commercial Solar Projects That Works with All Inverters One of the most important aspects of designing a solar array is sizing module strings to operate within the parameters of the selected inverter. This is especially true for commercial and megawatt solar projects. To help in this process, we’re… Continue reading “Free Solar Design Tool: String Sizing Tool For Commercial Solar Projects That Works with All Inverters”
Free “Data Center Cost Calculator” from Stanford’s Jonathan Koomey Jonathan Koomey created a simple Excel model for determining true total cost of ownership for data centers that you can customize and use for your company projects. Dr. Koomey was recently featured in the Wall Street Journal article titled, “Zombie… Continue reading “Free “Data Center Cost Calculator” from Stanford’s Jonathan Koomey”
Enroll in Advanced Solar + Storage, Get Wes Kennedy’s Battery Selector Tool! Why enroll in Advanced Solar + Storage? You’ll access the Battery Selector Tool! Decide the best battery for your application, from a cost perspective. This is a great tool for engineers, designers, and decision makers when determining the best battery to use… Continue reading “Enroll in Advanced Solar + Storage, Get Wes Kennedy’s Battery Selector Tool!”
FREE Tool: Series Parallel R-Value Calculator DOWNLOAD Dr. Allison Bailes’s FREE Series Parallel R-Value Calculator Calculate the average R-value of an assembly Wouldn’t it be nice if you could push a button and see how much of a hit the R-value of a building assembly takes… Continue reading “FREE Tool: Series Parallel R-Value Calculator”
FREE TOOL: Online Ventilation Sizing & Commissioning Tools Download Rick Karg’s Toolbox of Online Ventilation Sizing and Commissioning Tools for FREE. These free online tools will allow architects, engineers, ventilation designers and installers to size ASHRAE 62.22013 ventilation, determine the flow rate of existing ventilation equipment, determine the electrical… Continue reading “FREE TOOL: Online Ventilation Sizing & Commissioning Tools”
Free Tool: Site Lease vs. Buy Modeling Calculator Chris Lord’s FREE Site Lease vs. Buy Modeling Calculator allows users to compare a lease rate against a potential purchase of a solar PV site where the lease rate (including escalator) is known. This tool is used in HeatSpring’s Financial Modeling… Continue reading “Free Tool: Site Lease vs. Buy Modeling Calculator”
Free Lecture: Multiple Mod-con Boiler Concepts In this new free lecture, Roy Collver, President, OTBC Inc, examines important details you should know when combining two or more boilers into a single heating plant. He covers applications from large residential, up to bigger commercial and institutional systems. Enroll… Continue reading “Free Lecture: Multiple Mod-con Boiler Concepts”
Free Microgrid Excel Model 2024 update: This excel model is no longer available because it was getting pretty old. We hope to replace it some day! Designing a microgrid is an incredibly complex task – there’s no such thing as a standard microgrid. This… Continue reading “Free Microgrid Excel Model”
Free Tool: LEED v4 Materials Form After a significant delay, LEED Version 4 has finally been released, and you can now begin building your library of LEED v4 Tools. Start by downloading our FREE LEED v4 Materials Form from Expert Instructor, LEED Fellow, LEED AP BD+C, LEED CI (Legacy) and aedify… Continue reading “Free Tool: LEED v4 Materials Form”
Free Antifreeze Volume Calculator for Geothermal Loopfields Ryan Carda, P.E. is the author of the International Ground Source Heat Pump’s official design and installation guide. Carda’s Antifreeze Volume Calculator for Geothermal Loopfields free tool is used in his Entry Level Geothermal Professional Certificate Training. Here’s what the tool looks like: Uses:… Continue reading “Free Antifreeze Volume Calculator for Geothermal Loopfields”
Free Tool: Handbook of Sustainable Roofing The Handbook of Sustainable Roofing is a free tool to present a larger view of the opportunity of sustainable roofing for roofing professionals’ businesses, offering numerous links to free tools to integrate sustainable business practices into company sales and marketing efforts. Topics… Continue reading “Free Tool: Handbook of Sustainable Roofing”
New Free Lecture: Commercial Geothermal Design In this two hour free lecture, Dr. Charles Remund, author of the IGSHPA Design Manual, walks you through the calculations for designing the ground heat exchanger for a commercial geothermal system. To download a copy of the slides, discuss the… Continue reading “New Free Lecture: Commercial Geothermal Design”
Boost Your Webinars: Create Dynamic, Community-Building Online Lectures In this article, I outline why we host online lectures instead of webinars at HeatSpring and share information for ways that we can help you and your business (cleantech, high performance building, geothermal, and more) start hosting dynamic, community-building online lectures,… Continue reading “Boost Your Webinars: Create Dynamic, Community-Building Online Lectures”
3 Reasons Your PV System Load Profile is Overinflated and How to Fix It The article below is a discussion from our course, Batteries in Solar PV Systems, led by Christopher LaForge. Christopher LaForge is the CEO of Great Northern Solar and a NABCEP certified photovoltaic installer. He has been designing, specifying, and installing systems… Continue reading “3 Reasons Your PV System Load Profile is Overinflated and How to Fix It”
[Free Tool] Siegenthaler’s ‘Hydronics Design Studio 2.0’ Demo We created the Hydronics Design Studio (HDS) to assist heating professionals in designing high performance hydronic heating systems. It represents the state-of-the-art in computer-assisted design for modern hydronic heating systems. Thousands of professionals use the HDS, but if you’re not yet familiar with… Continue reading “[Free Tool] Siegenthaler’s ‘Hydronics Design Studio 2.0’ Demo”
A New Energy Calculator for Roofing Professionals For the roofing professional seeking to compare the energy-savings potential of different roofing systems, many well-designed calculators are available to help. Currently, you can find a wide variety of (mostly free) web-based calculators to evaluate almost every element of roof-related… Continue reading “A New Energy Calculator for Roofing Professionals”
[Free Tool] How to Calculate Boiler Efficiency Gains Roy Collver’s “Condensing Boilers in Hydronic Systems” is the most underutilized course we offer (OK, tied with Robert Bean’s HVAC Engineering). Roy has built this exhaustive educational experience that only a handful of folks have benefited from so far. We hope… Continue reading “[Free Tool] How to Calculate Boiler Efficiency Gains”
Two Free Tools: ASHRAE Standards 55 and 62.2 Calculators Registered engineering technologist and expert HeatSpring instructor Robert Bean has developed two calculators to help designers meet ASHRAE Standards 55 and 62.2: “Thermal Environmental Conditions for Human Occupancy” and “Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings.” Considered… Continue reading “Two Free Tools: ASHRAE Standards 55 and 62.2 Calculators”
Free Floor Plan: 10 Ways Passive House Design is Different Than Normal Home Design If you want to download the floor plan, please scroll to the bottom of the article. This is a guest post by Mike Duclos. Mike is founder of The DEAP Energy Group, a firm providing a wide variety of deep energy… Continue reading “Free Floor Plan: 10 Ways Passive House Design is Different Than Normal Home Design”
Free 26 Minute Lesson on Performing Heat Loss Calculations for Net Zero Energy Homes Calculating heat loss, and designing for minimal heat loss, is absolutely critical to designing and building net zero energy home or to passive house standards. Watch this 26 minute video lesson, from Marc Rosenbaum’s Zero Net Energy Homes course to… Continue reading “Free 26 Minute Lesson on Performing Heat Loss Calculations for Net Zero Energy Homes”