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

Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy,) and brought to you in partnership with Home Energy magazine.

Latest Activity

Tom White's 3 videos were featured
32 minutes ago
Jim Gunshinan's blog post was featured
33 minutes ago
Sharon Block's 3 events were featured
33 minutes ago
Tom White posted videos
41 minutes ago
Linda Wigington replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"Kaushal I just spent more than an hour on a detailed response and lost when I decided to check the…"
1 hour ago
Sharon Block posted events
1 hour ago
Alice La Pierre replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"Hello Kaushal, I understand your predicament, as I also have a house in Berkeley that I wanted to…"
1 hour ago
Kaushal Bharath Raju replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"Thanks Graham for that. It was also my belief that the cost difference between remodeling and doing…"
2 hours ago
Kaushal Bharath Raju replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"Thanks Jim! I'll be sure to check that out."
2 hours ago
Jim Gunshinan replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"Kaushal, My wife and I are doing something similar to our house in Walnut Creek (1951, 1,200 sf)…"
3 hours ago
Jim Gunshinan posted a blog post
3 hours ago
Linda Wigington commented on David Eggleton's group 1000 Home Challenge
"Great discussion in the general forum. Consider chiming…"
3 hours ago

© 2014   Created by Lawrence Berkeley National Laboratory.

Badges  |  Report an Issue  |  Terms of Service