Healthy Homes Home Energy & Weatherization. Energy Management for Home goals … save energy provide...
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Transcript of Healthy Homes Home Energy & Weatherization. Energy Management for Home goals … save energy provide...
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Healthy Homes
Home Energy & Weatherization<Presenter><Date>
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Energy Management for Homegoals …
• save energy• provide comfort• assure safety and health
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Conservation …- saves energy- saves $$$
Participants in the Montana Weatherization Assistance Program experienced 30% average savings*
$2660.00 average expense for measures
$567.00 average savings4.7 year payback
* MT WAP
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Home Energy Consumption
Space heat-ing and cool-
ing46%
Water heating18%
Lighting12%
Refrigeration10%
Clothes dry-ing4%
Cooking2%
Other Electric8%
Typical Cold Climate Home Energy Use
Source: Montana Weatherization Training Center
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home energy
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A house energy “audit” guides weatherization priorities!
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Priority weatherization measures …
An audit consists of 5 assessments: • Building envelope evaluation
• Building insulation and air tightness• Mechanical system assessment
• Occupant behavior assessment
• Electric base-load assessment
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Factors that influence consumption
1. Climate and Home Site
2. Structure/Building Envelope
3. Occupant Habits and Behavior
3 categories …
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Factors that influence consumption
Climate and Building Site• Temperature• Precipitation• Wind• Solar• Orientation of home• Topography of site• Vegetation on site
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Factors that influence consumptionStructure/Building Envelope
• Size and design of building• Building materials used• Insulation type and application• Use of vapor & air barriers• Air sealing methods• Type & quality of doors & windows• Fuel and heating system choice• Ventilation• Lighting selection• Appliance choices
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Factors that influence consumption
• Temperature settings• Energy ethic and behavior• Appliance selection and use• Heating/AC system maintenance• Hot water usage• Building envelope maintenance
Occupant Habits and Behavior
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Energy Audit
Blower Door
Inspection
Duct Blaster
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Energy AuditThermal Imaging
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Pressure differential between rooms.
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Top 5 Tips to Saving Energy at Home
No Cost/Low Cost Solutions
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1
Heating System - control heating
thermostat- try 68°F.
68°
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1
Heating System – filter change monthly & keep system clean.
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Air Filters MERV
Minimum Efficiency Rating Value (MERV)
ASHRAE Standard 52.2 Efficiency in collecting very small particles
1
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MERV 8 v. 10 1
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MERV PARTICLE TYPICAL CONTROLLED SIZE (m) CONTAMINANT
1 – 4 >10.0 Pollen, sanding dust, textile and carpet fibers
5 – 8 3.0 – 10.0 Mold, spores, hairspray, cement dust
9 – 12 1.0 – 3.0 Legionella, lead dust, welding fumes
13 – 16 0.3 – 1.0 Bacteria, most tobacco smoke, insecticide dust, copier toner
17 – 20 0.3 Virus, combustion particles, radon progeny
MERV Ratings 1
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Furnace/AC Filterschange/clean monthly
1
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Poorly sealed filter access panel
1
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1
1
Heating System – do not block air flow.
radiator and register
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1
Heating System – move warm air.
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2
Control Air Leaks – start high
Seal
Air
Leak
s
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2
Control Air Leaks – weatherstrip doors
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2
Control Air Leaks – weatherstrip windows
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2
Control Air Leaks – use sealants
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3Insulate and turn down water heater.
120°F for electric mid or warm for gas
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3
Stop hot water leaks and insulate pipes.
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4
Close off unused spacesand unplug unnecessaryappliances.
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Use tube fluorescent and energy efficient compact fluorescent lights (CFLs) in fixtures throughout your home to provide high-quality and high-efficiency lighting. Fluorescent lamps are much more efficient than incandescent (standard) bulbs and last about 4 to 10 times longer.
5
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Top 5 Tips to Saving Energy at Home
Moderate/High Cost Tips
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1
Windows – storm windows(Inside is best)
This option is low cost.
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1
Windows – thermal curtains
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Heating system tune-up and cleaning.2
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Heating system up-grade or replacement.2
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2Heating System – Installation of duct mastic & insulation
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Insulation –go for easy access
3
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The higher the “R” value the greater the “resistance” to energy
flow – the better the insulator.
3
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3
Insulation – type will depend on application
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Insulation – rolls and loose fill
3
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3
Insulation – glass fiber R 2.2 – 3.2/inch
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3
Insulation – Rock Wool R 2.2 – 3.2/inch
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3
Insulation – Polyurethane & PolystyrenesR 4.5 – 6.5/inch
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3
Insulation – cellulose fiber - R 3.7/inch
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Insulation – vermiculite R 2.2/inch
3
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All weatherization measures can be applied to mobile homes.
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1. Estimated energy consumption on a scale showing a range for similar models
2. Estimated yearly operating cost based on the national average cost of electricity.
4
Choose Energy Efficient Appliances
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•Home Electronics
•Roofing
•Insulation
•Lighting Fixtures
•Thermostats
•Windows
·Appliances
•Home Office Equipment
•CFLs
•Heating & Cooling
•Ceiling Fans
•Ventilating fans
•Water Coolers
•Dehumidifiers
•Homes
• ENERGY STAR® 4
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5
Consider after conservation. 5
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