Saturday, January 7, 2012

Energy Awareness Program

What is Energy?
Answer: The capacity to do work

What does it look like at our school?
Answer: A furnace, air conditioning, studying, excercise  What else can you think of?

How do we use it?
How do we abuse it?
Post your answers

Saturday, January 15, 2011

FREE ENERGY AUDITS FOR BARKHAMSTED RESIDENTS

Home Energy Solutions Program
Cost to the customer, your family is $75.00. The town of Barkhamsted will rebate your family the $75.00. Information is available on the Town of Barkhamsted web site.

So the cost of this energy check of your house could be $0 !!!!!

It will provide your family with a roadmap that can be used to continue to improve you home’s energy efficiency. 
Click here for details from the Barkhamsted website
To Schedule an Audit Click Here

Thursday, January 13, 2011

Basic outline:

ATTENTION: BARKHAMSTED STAFF
You have all been invited to participate on this blog.  The blog will be used as an outline for the presentation we do on Tuesday.  Your thoughts, comments are all welcome.  Please enter them below this post.  Thank you for your help.

Intro music "Make a Wave" as they enter and get seated 4 minutes
Audit video 5 minutes
Energy hogs video 1 min.
Blower door workshop including the House of pressure  20 minutes. 
Light bulb Comparison Work shop 10 minutes Children can compare incondescent bulbs to CFL's  comparing heat created and energy used.
Videos, questions and more info as able with time.
"Send it on video" plays as they finish up and exit.

Sample of power point presentation

Energy Awareness
Month January 2011
Barkhamsted Elementary School

What is Energy?
Answer: The capacity to do work

What does it look like in your  house or School? 
How does your family use it?
 Answer: A generator, furnace, air conditioning, studying, exercise. 

What else can you think of?

My House Is A System
What does that mean?

You have heard of the Ecosystem which keeps the world in balance.
Your home is made up of parts that work together to form a housing system.
The different parts work together to keep you warm, healthy and dry.
    Any change to any one of those parts can affect you and your home!
System Parts: Structure                     
  Framing (Bones)      Thermal Boundary  (Insulation)
 Mechanical Systems 
Furnace   Air conditioning  Dryer  Stove  Exhaust Fans  Central Vacuum
Occupants
                    You and Your Family can add heat, moisture and pressure to the home system.

First Principles of Science

Its important for you to know how heat, pressure and moisture affect your home.
Heat moves from hot to cold
Heat moves from hot to cold

 
Conduction
    This is the transfer of heat between objects that are in contact with each other.

Convection
    This is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas (air).


Radiation
    This is the transfer of heat from a warmer object to a cooler one by line of sight. This transfer of heat requires no medium.
First Principles of Science Air Flow
Whenever there is a difference of pressure across a surface, air will flow from the higher pressure side to the lower pressure side.    Air Flow carries moisture Think of a balloon!

Quick Review Of Thermodynamics
Air Flow
Whenever there is a difference of pressure across a surface, air will flow from the higher pressure side to the lower pressure side. Air Flow is a moisture transport mechanism! (Very Important!)

Controlling Moisture Transport
A 10 foot by 10 foot section of an air sealed sheetrock wall without a vapor diffusion retarder will diffuse 1 cup of moisture through it in a year.
If you drill a ½” hole through that wall, 50 cups of moisture can pass through that hole in a year due to air flow! Air Sealing is very important!
Moisture Questions:
• Where does my household moisture come from? (other than wet basements)
cooking, cleaning, showers, unvented heaters, unvented dryers, occupants.
• Because your house is a system air sealing can go too far!
• Is your home excessively dry during the winter months?


Some ways air moves in and out of my home
Lots of fans means lots of air out and lots of air in!
Clothes Dryer- 150-250 CFM
Kitchen Exhaust Fan - 100-150M
Bathroom Fans- 50-150CFM
Whole house fan- 2500-5000 CFM
Central Vacuum- 100 CFM
Fireplaces-  Up to 400 CFM
Stack Effect-  15-30 CFM

Monday, January 10, 2011

Dusty Door Jambs

As air passes from the basement to the upstairs living area, it can carry dust with it.  This dust can get trapped and accumulate on the door jamb.  Have you seen this at your home?
Follow the dust to find the drafts

Sunday, January 9, 2011

Energy

Thanks Steve for a very informative Blog! I am looking froward to your presentation this week. See you then, Lisa Hudkins

Thursday, January 6, 2011

Thermal Imagery

Warm objects stand out well against cooler backgrounds.