All Blog Posts Tagged 'Efficient' (6)

Smart Grid Projects for Improved Energy Efficiency

Energy efficiency is a term given to the process of using energy that maximizes power saving without reducing service or utility. In a developing country like India, energy is the capital on which industries thrive. To fulfill industrial needs, a lot of energy is produced within the country as well as purchased from foreign lands. The result is a lot of expenditure and pollution. To make things worse, there is a lot of mismanagement of the grids that leads to considerable loss of…


Added by Daina Martin on February 12, 2015 at 5:30am — No Comments

HVAC and DC Fan Motors

Here are links to my latest posts on how these motors can be used for retrofitting in existing HVAC systems.

HVAC Savings Upgrades – Cutting Fan Watts In Half or More 

In this post I cover how the savings can be dramatic, and the most important part is to get duct pressures low.…


Added by Christopher Cadwell on April 19, 2012 at 6:14am — 2 Comments

Green Cipherin' - What's Slowing the Mainstreaming of Green Building, and What Homeowners Can Do about It

MLSs (Multiple Listing Services) across the country are unveiling “green-field addenda” (GFAs) and searchable fields to highlight green features.  …


Added by Melissa Baldridge on April 9, 2012 at 7:00pm — 2 Comments

Notable Results in AC Training

The final survey results of the second week of students in the High Performance HVAC classes.
Here are some notable results of what the students felt that they got out of the course.
  • How to reduce # of registers while improving comfort. 
  • Importance of velocity - amount needed to properly mix air.
  • How to select register types to control noise and performance. 
  • Whole house as…

Added by Christopher Cadwell on November 27, 2011 at 9:00pm — No Comments

Super Efficient HVAC is Easy

Attending a week long class where veteran trainer Rick Chitwood is moderator has been entertaining and joyful. In the class which is inside a house that is being retrofit completely we are now designing and installing a super efficient HVAC system.…


Added by Christopher Cadwell on November 17, 2011 at 9:30pm — 9 Comments

No Carts Before Horses - Design for Energy Efficiency Early

My recent visit to Savannah for the USGBC's green product expo charged up my historic preservation bug and got me to thinking about how to apply building science to historic buildings.

Most of us that have ever lived in, owned, or even just visited a historic home…


Added by Chris Laumer-Giddens on May 4, 2011 at 4:30am — No Comments

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