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LATEST ARTICLES

18Jan, 2016

10 Reasons to Use LoopLink PRO

10 Reasons to Use LoopLink PRO
by Doug Carruthers
Looplink PRO is simple, powerful, web-based ground loop design software you can use for just $50/month. Specifically engineered for commercial geothermal designers, LoopLink PRO can handle projects from simple single building block loads all the way up to […]

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18Jan, 2016

Dr. Sean White on Microinverters, String Inverters & Optimizers

On the 40 Hour Advanced Solar PV Installer Training Discussion Board…
Dr. Sean White discusses microinverters, string inverters & optimizers

Student 1: I am enjoying the course and I like the way you explain things by citing real world examples. I just want to get your opinion on microinverters. These provide great […]

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18Jan, 2016

What Does Zero Energy Capable Mean?

What does ‘Zero Energy Capable’ mean?

A Zero Energy Capable designation means a project was designed, built and tested to be zero energy over the course of a year.

There is a lot of confusion on the market as to what zero energy is.
Green Home Institute is here […]

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15Jan, 2016

75 National Scholarships for Home Performance Contractors!

As part of the Home Performance Coalition’s grant from E4TheFuture, 75 scholarships for home performance contractors from underrepresented populations to attend the 2016 ACI National Home Performance Conference will be awarded.
Scholarship Objective:
One of the primary goals of this scholarship program is to attract a more diverse group of home performance […]

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15Jan, 2016

Commercial Geothermal Heat Pump System Design

Enroll in HeatSpring’s free Commercial Geothermal Heat Pump System Design course today!
In this free course, Dr. Charles Remund, author of the International Ground Source Heat Pump Association (IGSHPA) Design Manual, explains how to design a ground heat exchanger for a commercial geothermal system. Participants are quizzed on key […]

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15Jan, 2016

Improving Accuracy with Ground Loop Design Flow

Improving Accuracy with Ground Loop Design Flow
Proper geothermal heat exchanger design is not a simple matter.

The following piece was written by Doug Carruthers of Geo-Connections, Inc.
Systems, especially big commercial systems, have a lot of moving parts and the chassis onto which they are all strapped […]

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15Jan, 2016

Leaders in High Performance Building: The Efficient & Comfortable Spec Home

This winter, we’re celebrating innovative builders and designers who work to improve the overall quality and performance of public and residential buildings with a course giveaway!
If you’ve helped plan, design, construct, and/or operate a high performance building, enter our Leaders in High Performance Building Giveaway by submitting a photo […]

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13Jan, 2016

Sustainable Building Advisor: Greywater Uses & Project ROI

On the Sustainable Building Advisor discussion board…
Expert instructor Ann Edminster discusses greywater uses and the often intangible, but very important ‘non-energy’ returns on investments.

Student 1: Has anyone heard of greywater solutions for dust mitigation? It is common in construction to have a water truck drive around a […]

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12Jan, 2016

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 fully automatic operation of oil and gas- […]

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12Jan, 2016

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 that good hydronic design is the “glue” […]

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