All Blog Posts Tagged 'AC' (6)

Changing The Way We Use AC

Aside from vacations, longer days and spending time in the great outdoors summer brings with it oppressive heat resulting in large segments of the population blasting the AC.

This often translates into long hours of high energy usage which, depending on how much its relied upon, has a tendency to become routine throughout the warmer months.



Since AC spikes power usage more than most other…

Continue

Added by Jakob Barry on June 27, 2013 at 5:09am — 6 Comments

Conventional AC is not COOL

In order to feel comfortable in the cooling season conditioned air has to be at the right air temperature AND relative humidity. Conventional AC dehumidifies when it is running but it is thermostatically controlled by air temperature only. Which means that when air temperature is reached the AC turns off and stops dehumidifying. Not a big problem if you live in an arid climate such as Pheonix but if you live in New England where the summers are very humid and not…

Continue

Added by Joseph Novella on May 22, 2012 at 6:36pm — 12 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.…

Continue

Added by Christopher Cadwell on April 19, 2012 at 6:14am — 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…
Continue

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.…



Continue

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

Selling AC Retrofits - Notes from the field.

First I talk of safety. I mention old furnaces and CO possibilities, etc. This will usually make them sour up a bit because it is slightly a sales pitch.

Then I usually talk to homeowners about the hot and cold rooms. This is a big button and an easy one to push and get them talking. This adds to the sourness but gains…
Continue

Added by Christopher Cadwell on October 25, 2011 at 10:30pm — 1 Comment

Videos

  • Add Videos
  • View All

Twitter

Latest Activity

Empower Efficiency added a discussion to the group Job Board
Thumbnail

Position Opening: Local Community Outreach Specialist, Energy Efficiency (San Carlos, CA)

Local Community Outreach Specialist, Energy Efficiency (San Carlos, CA) Job Title: Local Community…See More
14 hours ago
Amber Vignieri posted a blog post

Elevate Energy Mythbusters: Windows & Attics Edition

This blog post is guest written by former staff member Eric Keeley.Great enthusiasm for home energy…See More
16 hours ago
Glen Gallo replied to Diane Chojnowski's discussion Poll: What is you favorite or most important home performance diagnostic or measurement tool?
"I agree with Ted. If I could bring just one piece of equipment it would be the blower door. It has…"
18 hours ago
Glen Gallo replied to Shaun 's discussion Commercial duct testing
"If above the ceiling tiles the wall is a finished assembly and there is insulation on or under the…"
18 hours ago
Tom White's video was featured

Combustion Appliance Zone Testing (CAZ) Made Easy (March 24, 2016)

Combustion Appliance Zone Testing (CAZ) Made Easy (March 24, 2016) -Gauge Fundamentals -Adapting to the new BPI standard -RESNET testing requirements -NFPA testing requirements -Best practices for best results
18 hours ago
Profile IconLaura Capps and Bret Abrams joined Home Energy Pros
yesterday
Olivia Taylor posted a blog post

5 Key Reasons Why Rooftop Solar Is Popular In The US

The rapid switch from traditional electricity to clean, economical and renewable solar energy is…See More
Thursday
Adam Swain posted a blog post

Top 5 Tips For Hiring A Crawl Space Contractor

A homes crawl space is one of the few places most homeowners try to avoid at all cost, and for good…See More
Wednesday

© 2016   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service