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Ten ways to save energy in 2011
          Energy resolutions for your home and wallet




                      With special support from

                       The Danville Library

                       Gayler Construction




January 20, 2011
Sustainable Danville Area: Introduction


    Local community organization inspiring
    sustainable practices to support a healthy quality of
    life and strong local economy throughout our
    community.

    www.SustainableDanville.com




Sustainable Danville Area – January 2011: Save Energy
Gayler Construction: Introduction




   Local, family business for 50 years
   Certified Green Builder since 2003 - including custom
    designs for residential and commercial clients
   Chris is General Manager and a LEED certified Green
    Associate




Sustainable Danville Area – January 2011: Save Energy
Sustainable Danville Area’s
         Top Ten
Eliminate Phantom Energy


   Watt meters: helpful in gauging the „phantom‟ or „vampire‟ power
    used by electronics in standby mode
     Kill-A-Watt ($25) & WattsUp ($96)

        Consumer Reports has confirmed readouts on these meters

         matched those from a calibrated watt meter in their labs.
        Kill-A-Watt – Available for loan from the CC Library System



   Smart Strips ($29): power strip automatically switches
    devices on/off when not in use to save energy

   PG&E‟s SmartMeters: track real-time energy use online
       PG&E offers free Energy Efficiency Workshops to all customers.

        Lots of topics, schedule available at www.pge.com
Sustainable Danville Area – January 2011: Save Energy
Water – Every Last Drop Counts

   Mindful water use
       Fix leaky faucets and toilets
       Remember to turn off faucet when brushing your teeth
       Time your showers or beat stress, take a bath
       Use cold water and only wash full loads laundry
       Run the dishwasher only when full
       Use a broom to clean driveways and sidewalks
       Water your lawn only when it needs it
       Adjust sprinklers so they don‟t water driveways and sidewalks

   Plant California-friendly trees and plants

   Consider grey water systems to collect shower and
    laundry water for landscaping use

Sustainable Danville Area – January 2011: Save Energy
Water – Every Last Drop Counts

   Maintain your water heater, consider replacing
    with energy efficient model
       Choose energy efficient on-demand or solar units (30% tax credit until 2016)

   Consider alternatives to running hot water when washing dishes
       Soap all pots/pans, dishes before rinsing
       Use a basin full of hot water verses running water
       Install a pedal valve to control sink water (kitchen or bathroom)




Sustainable Danville Area – January 2011: Save Energy
Landscape for shade and windbreak

   Plant for Summer Shade
     Trees planted on the south-west side of house can cut air conditioning costs

      an estimated 30% compared to an un-shaded house
     Trees, shrubs, ground covers and grass affect solar radiation more than

      structural devices, such as awnings by absorbing sun‟s heat while transpiring
      (release water vapor from leaves) cooling moisture into the air
          Temperature under a tree can be 9ºF lower than an adjacent area -
          and up to 25ºF lower than air near a blacktop surface street

   Plant for Winter Windbreak
       Barriers to reduce & redirect cold winds and protect area from
        blowing dust, rain and soil erosion.
       Generally a single or multiple row of trees, shrubs, perennial crops,
        tall grasses or fencing
       Can reduce wind by 50% and winter heating by up to 25%

Sustainable Danville Area – January 2011: Save Energy
Purchase Energy Star Appliances


    ENERGY STAR® is a voluntary labeling program
    designed by the U.S. government to identify and
    promote energy-efficient products:
       Reduce greenhouse gas emissions and other pollutants
        caused by inefficient use of energy
       Make it easy for consumers to source energy-efficient products… save money
        on energy bills without sacrificing performance, features and comfort.

        •   Refrigerator        •   Water Heaters & Coolers    •   Audio/Video
        •   Freezer             •   Air Cleaners & Purifiers   •   Battery Chargers
        •   Dishwasher          •   Dehumidifiers              •   Computers
        •   Washer/Dryer        •   Air Conditioners           •   Cordless Phones
        •   Microwave           •   Furnaces                   •   Displays/Televisions
        •   Ranges & Ovens      •   Boilers                    •   Light Bulbs & Fixtures
                                •   Heat Pumps
                                                                              www.energystar.gov

Sustainable Danville Area – January 2011: Save Energy
Purchase Energy Star Appliances

American homes consume six times
the energy of the world average.
 •   Replacing old appliances is one of the most
     important things people can do to reduce GHG.
 •   Front-loading washing machines are much
     more energy efficient than top-loading models
 •   ENERGY STAR refrigerators use 40% less
     energy today than models did in 2001.

Tax Credits –
30% of the cost in 2009 & 2010 (<$1,500 total) for
energy-efficient improvements to existing homes for
new windows, doors, insulation, roofs, HVAC systems
and water heaters.
30% of the cost (no max) until 2016 for solar panels,
geothermal heat pumps, solar water heaters


Sustainable Danville Area – January 2011: Save Energy
Lights, Please


    “Low-hanging fruit”
    for reducing energy consumption.
      Lighting accounts for 22% of all electricity consumed nationwide
      One-fifth of all energy used by commercial buildings is consumed by lighting


    Lighting has evolved in response to unprecedented
    amount of new laws focused on energy efficiency &
    environmental protection:
    Light …
    Energy Efficient Light …
    Environmentally Conscious Energy Efficient Light

Sustainable Danville Area – January 2011: Save Energy
Three main technologies available today:
                                         Incandescent: warm dimmable
                                          light but fragile filaments and glass, lasts
                                          about 1000 hours, only converts 10% of
                                          energy used to produce light – so 90% is
                                          wasted as heat

                                         Fluorescent: more energy efficient
                                          but wastes 30% of energy as heat, ballasts
                                          consume energy when fixtures “off”,
                                          unpleasing buzz, delays & color, poor
                                          „dimmability‟, unpredictable life, relies on
                                          igniting mercury vapor within fragile glass…
                                          hazardous materials cannot go into garbage
                                          (but they do because lack of messaging & services)

Sustainable Danville Area – January 2011: Save Energy
   LED (light emitting diode): digital device
    that emits light, fits existing fixtures,
    exceptional color & quality, requires highly
    engineered thermal management to ensure
    longevity & performance.
 Typically 50,000 to 60,000 hours (50 times longer life)
 More Energy Efficient – saves up to 80%
 Recyclable, no mercury or lead or fragile glass
 Smooth phased „dimmability‟ &
    full brightness without delays
 High Cycling Capacity –
    never loses life with frequent on/off‟s
 Directional, Versatile & Scalable –
    light goes where it is needed

Sustainable Danville Area – January 2011: Save Energy
Lights, Please


  Wild-Wild-West of LED Lighting – Buyer Beware
  •   Very crowded, unregulated product category today
  •   Lots of products being rushed to market… unreliable, poor light quality
  •   Causing consumers to lose confidence in the technology


  LED lighting is not hype, just not ready for retail market yet
  •   Commercial-grade products delivering outstanding performance & ROIs
  •   Large buildings able to capitalize most on the energy savings today (volume)
  •   Once demand by facilities drives production up, pricing will fall to make
      advanced features and quality products cost effective for general consumers
      (within next 2 years)




Sustainable Danville Area – January 2011: Save Energy
Paradigm Shifts in Lighting
•   Refer to light output rather than watts
    to describe the intensity of a bulb
•   Integrated system (like heating &
    cooling); phasing out bulb + fixture
•   “Cost of ownership” vs. initial cost
•   Hopefully leading away from
    “product obsolescence”
•   Collective buying programs within
    school districts, HOAs, Chambers of
    Commerce to help residents & small
    businesses benefit from reliable LED
    products today


Sustainable Danville Area – January 2011: Save Energy
Stricter building codes
raising energy efficiency
standards for residential &
nonresidential buildings,
with specific requirements
for lighting (i.e. CA Title 24)

Energy Independence &
Security Act of 2007:
requires general-purpose
light bulbs that produce 310–
2600 lumens of light be 30%
more energy efficient by 2012
to 2014. Starting with 100-
watt bulbs in January 2012
and end with 40-watt bulbs in
January 2014.

Point-based green building
programs: LEED, HERS,
HOME STAR®, CHPS




Sustainable Danville Area – January 2011: Save Energy
Program your thermostat

 Using a programmable
 thermostat in your home is
 one of the easiest ways to
 save energy, money and help
 fight global warming.

   • Average household spends
     more than $2,200/year on
     energy bills - nearly half goes
     to heating & cooling.

   • Homeowners can save about
     $180/year by properly setting
     programmable thermostats &
     maintaining those settings.




Sustainable Danville Area – January 2011: Save Energy
Program your thermostat




Sustainable Danville Area – January 2011: Save Energy
You can achieve significant savings by sticking with these default settings
             (intended to deliver savings without sacrificing comfort)…
                                                  SETPOINT TEMPERATURE
              PROGRAM       TIME           (HEATING)              (COOLING)
                Wake         6 AM            ≤ 70º F                ≥ 78º F
                 Day         8 AM      Setback at least 8º F   Setup at least 7º F
               Evening       6 PM            ≤ 70º F                ≥ 78º F
                Sleep       10 PM      Setback at least 8º F   Setup at least 7º F




       … or adjust them as appropriate for your household. But keep in mind the
          number one failure of these devices is manual overrides



Sustainable Danville Area – January 2011: Save Energy
Getting the most out of your programmable thermostat
•   Keep temp set at energy savings set-points for long periods (at least 8 hours)
•   You use more energy (and spend more money) by consistently overriding the
    pre-programmed settings; overrides are cancelled automatically at next program start.

•   Units have permanent/vacation & temporary hold features.
    Avoid permanent hold feature to manage day-to-day temperature settings.
    You'll waste energy & money if “hold” is at a comfort setting while you're away.
•   Cranking your unit up to 90º or down to 40º will not heat
    or cool your house any faster. Most thermostats begin to
    heat or cool at set time, to reach set point temperatures
    sometime thereafter. (Adaptive recovery units constantly
    calculate amount of time required to heat or cool house.)

•   Multiple HVAC zones? Customize programming to maximize
    comfort, convenience & energy savings throughout house.

•   Don‟t forget to change batteries if your thermostat is not hard-wired.


Sustainable Danville Area – January 2011: Save Energy
Heat and Cool Efficiently

Maintain your equipment

       Change your filter at least two times per year – 4 times
        per year is best
       Consider using electrostatic filters which last 12-15 years
         Need to be washed every two months

         Rated Allergy Gold

         “Whistling could be an issue



       Have a Professional tune up your HVAC system each
        Spring and Fall

Sustainable Danville Area – January 2011: Save Energy
Heat and Cool Efficiently


   Ducts that move air from forced heating/cooling systems
    are often energy wasters – typically up to 20% can be lost to
    leaks
   Seal air leaks using mastic sealant or metal tape – do not
    use duct tape
   Make sure connections at vents and registers are sealed
    where they meet floors, walls and ceiling – common
    locations for leaks




Sustainable Danville Area – January 2011: Save Energy
Heat and Cool Efficiently

   Energy Star recommends considering a change to your system if:
     Some rooms are too hot or cold, have humidity problems or excessive

      dust.
     Your equipment needs frequent repairs and your energy bills are

      going up.
     Your heating and cooling equipment is more than 10 years old.

      Age & condition of your heating and cooling equipment
      may have caused it to become less efficient.
      Consider replacing it with newer, more efficient equipment.
     You used EPA‟s ENERGY STAR Home Energy Yardstick

      (www.energystar.gov/yardstick) and your score is below 5 –
      which means you‟re paying for more energy than most Americans.


Sustainable Danville Area – January 2011: Save Energy
Heat and Cool Efficiently

   Purchase ENERGY STAR qualified gas furnaces:
     have annual fuel utilization efficiency (AFUE) ratings of 85% and

      90% - or greater, making them up to 15% more efficient than
      standard models.
     have highly efficient blower motors.

   Purchase ENERGY STAR qualified central air conditioners:
     have higher seasonal energy efficiency ratio (SEER) and energy

      efficiency ratio (EER) ratings, making them about 14% more efficient
      than standard models.
     The only way to ensure that your new air conditioner performs at its

      rated efficiency is to replace your heating system at the same time.
      It‟s especially recommended if your furnace is over 15 years old.


Sustainable Danville Area – January 2011: Save Energy
Insulate

   Insulation Energy Loss Areas of Concern:
     55% Attic

     35% Exterior Walls

     5% Outlets and around windows

     5% Subfloor with crawl space

    To get the biggest savings, the easiest place to add insulation is the attic.
   Type of Insulation to use:
     Fiberglass, recycled glass, is the safest and most cost effective way to

       insulate your home. 40% produced in US with remaining usually from
       Canada
     Cellulose (70% recycled newspaper) contains fire-retardant/control for

       vermin and mold chemicals
     Blue jean material is heavy & and hard to fit properly around pipes and
       electrical (hard to cut).
Sustainable Danville Area – January 2011: Save Energy
Insulate

   To get the biggest savings, the easiest place to add
    insulation is the attic.
     Recommended levels of insulation for your attic

        Existing 3-4 inches of insulation: R25 - R38

        Floor: R19 – R25

   If you are removing siding from a wood-frame wall without
    insulation:
     Add R5 insulation wall sheathing beneath new siding




Sustainable Danville Area – January 2011: Save Energy
Seal the air

                                                    Seal the "envelope“ of your home - outer
                                                     walls, ceiling, windows, doors, and floors
                                                    Many drafts are easy to feel – leaky
                                                     windows & doors. Seal with caulk, spray
                                                     foam, or weather stripping
                                                    Holes hidden in attics, basements, &
                                                     crawlspaces are usually bigger energy
                                                     problems.
                                                    Fireplaces without doors are one of the
                                                     biggest heat loss & cold gain areas in your
                                                     home. Add doors!
                                                    After any home sealing project, have a
                                                     heating & cooling technician check to
                                                     make sure that your combustion
                                                     appliances (furnace, water heater, and
                                                     dryer) are venting properly.
Sustainable Danville Area – January 2011: Save Energy
Replace old windows and doors




Sustainable Danville Area – January 2011: Save Energy
Replace old windows and doors




Sustainable Danville Area – January 2011: Save Energy
Every Choice Counts




www.SustainableDanville.com

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Ten ways to save energy in 2011

  • 1. Ten ways to save energy in 2011 Energy resolutions for your home and wallet With special support from The Danville Library Gayler Construction January 20, 2011
  • 2. Sustainable Danville Area: Introduction Local community organization inspiring sustainable practices to support a healthy quality of life and strong local economy throughout our community. www.SustainableDanville.com Sustainable Danville Area – January 2011: Save Energy
  • 3. Gayler Construction: Introduction  Local, family business for 50 years  Certified Green Builder since 2003 - including custom designs for residential and commercial clients  Chris is General Manager and a LEED certified Green Associate Sustainable Danville Area – January 2011: Save Energy
  • 5. Eliminate Phantom Energy  Watt meters: helpful in gauging the „phantom‟ or „vampire‟ power used by electronics in standby mode  Kill-A-Watt ($25) & WattsUp ($96)  Consumer Reports has confirmed readouts on these meters matched those from a calibrated watt meter in their labs.  Kill-A-Watt – Available for loan from the CC Library System  Smart Strips ($29): power strip automatically switches devices on/off when not in use to save energy  PG&E‟s SmartMeters: track real-time energy use online  PG&E offers free Energy Efficiency Workshops to all customers. Lots of topics, schedule available at www.pge.com Sustainable Danville Area – January 2011: Save Energy
  • 6. Water – Every Last Drop Counts  Mindful water use  Fix leaky faucets and toilets  Remember to turn off faucet when brushing your teeth  Time your showers or beat stress, take a bath  Use cold water and only wash full loads laundry  Run the dishwasher only when full  Use a broom to clean driveways and sidewalks  Water your lawn only when it needs it  Adjust sprinklers so they don‟t water driveways and sidewalks  Plant California-friendly trees and plants  Consider grey water systems to collect shower and laundry water for landscaping use Sustainable Danville Area – January 2011: Save Energy
  • 7. Water – Every Last Drop Counts  Maintain your water heater, consider replacing with energy efficient model  Choose energy efficient on-demand or solar units (30% tax credit until 2016)  Consider alternatives to running hot water when washing dishes  Soap all pots/pans, dishes before rinsing  Use a basin full of hot water verses running water  Install a pedal valve to control sink water (kitchen or bathroom) Sustainable Danville Area – January 2011: Save Energy
  • 8. Landscape for shade and windbreak  Plant for Summer Shade  Trees planted on the south-west side of house can cut air conditioning costs an estimated 30% compared to an un-shaded house  Trees, shrubs, ground covers and grass affect solar radiation more than structural devices, such as awnings by absorbing sun‟s heat while transpiring (release water vapor from leaves) cooling moisture into the air Temperature under a tree can be 9ºF lower than an adjacent area - and up to 25ºF lower than air near a blacktop surface street  Plant for Winter Windbreak  Barriers to reduce & redirect cold winds and protect area from blowing dust, rain and soil erosion.  Generally a single or multiple row of trees, shrubs, perennial crops, tall grasses or fencing  Can reduce wind by 50% and winter heating by up to 25% Sustainable Danville Area – January 2011: Save Energy
  • 9. Purchase Energy Star Appliances ENERGY STAR® is a voluntary labeling program designed by the U.S. government to identify and promote energy-efficient products:  Reduce greenhouse gas emissions and other pollutants caused by inefficient use of energy  Make it easy for consumers to source energy-efficient products… save money on energy bills without sacrificing performance, features and comfort. • Refrigerator • Water Heaters & Coolers • Audio/Video • Freezer • Air Cleaners & Purifiers • Battery Chargers • Dishwasher • Dehumidifiers • Computers • Washer/Dryer • Air Conditioners • Cordless Phones • Microwave • Furnaces • Displays/Televisions • Ranges & Ovens • Boilers • Light Bulbs & Fixtures • Heat Pumps www.energystar.gov Sustainable Danville Area – January 2011: Save Energy
  • 10. Purchase Energy Star Appliances American homes consume six times the energy of the world average. • Replacing old appliances is one of the most important things people can do to reduce GHG. • Front-loading washing machines are much more energy efficient than top-loading models • ENERGY STAR refrigerators use 40% less energy today than models did in 2001. Tax Credits – 30% of the cost in 2009 & 2010 (<$1,500 total) for energy-efficient improvements to existing homes for new windows, doors, insulation, roofs, HVAC systems and water heaters. 30% of the cost (no max) until 2016 for solar panels, geothermal heat pumps, solar water heaters Sustainable Danville Area – January 2011: Save Energy
  • 11. Lights, Please “Low-hanging fruit” for reducing energy consumption. Lighting accounts for 22% of all electricity consumed nationwide One-fifth of all energy used by commercial buildings is consumed by lighting Lighting has evolved in response to unprecedented amount of new laws focused on energy efficiency & environmental protection: Light … Energy Efficient Light … Environmentally Conscious Energy Efficient Light Sustainable Danville Area – January 2011: Save Energy
  • 12. Three main technologies available today:  Incandescent: warm dimmable light but fragile filaments and glass, lasts about 1000 hours, only converts 10% of energy used to produce light – so 90% is wasted as heat  Fluorescent: more energy efficient but wastes 30% of energy as heat, ballasts consume energy when fixtures “off”, unpleasing buzz, delays & color, poor „dimmability‟, unpredictable life, relies on igniting mercury vapor within fragile glass… hazardous materials cannot go into garbage (but they do because lack of messaging & services) Sustainable Danville Area – January 2011: Save Energy
  • 13. LED (light emitting diode): digital device that emits light, fits existing fixtures, exceptional color & quality, requires highly engineered thermal management to ensure longevity & performance.  Typically 50,000 to 60,000 hours (50 times longer life)  More Energy Efficient – saves up to 80%  Recyclable, no mercury or lead or fragile glass  Smooth phased „dimmability‟ & full brightness without delays  High Cycling Capacity – never loses life with frequent on/off‟s  Directional, Versatile & Scalable – light goes where it is needed Sustainable Danville Area – January 2011: Save Energy
  • 14. Lights, Please Wild-Wild-West of LED Lighting – Buyer Beware • Very crowded, unregulated product category today • Lots of products being rushed to market… unreliable, poor light quality • Causing consumers to lose confidence in the technology LED lighting is not hype, just not ready for retail market yet • Commercial-grade products delivering outstanding performance & ROIs • Large buildings able to capitalize most on the energy savings today (volume) • Once demand by facilities drives production up, pricing will fall to make advanced features and quality products cost effective for general consumers (within next 2 years) Sustainable Danville Area – January 2011: Save Energy
  • 15. Paradigm Shifts in Lighting • Refer to light output rather than watts to describe the intensity of a bulb • Integrated system (like heating & cooling); phasing out bulb + fixture • “Cost of ownership” vs. initial cost • Hopefully leading away from “product obsolescence” • Collective buying programs within school districts, HOAs, Chambers of Commerce to help residents & small businesses benefit from reliable LED products today Sustainable Danville Area – January 2011: Save Energy
  • 16. Stricter building codes raising energy efficiency standards for residential & nonresidential buildings, with specific requirements for lighting (i.e. CA Title 24) Energy Independence & Security Act of 2007: requires general-purpose light bulbs that produce 310– 2600 lumens of light be 30% more energy efficient by 2012 to 2014. Starting with 100- watt bulbs in January 2012 and end with 40-watt bulbs in January 2014. Point-based green building programs: LEED, HERS, HOME STAR®, CHPS Sustainable Danville Area – January 2011: Save Energy
  • 17. Program your thermostat Using a programmable thermostat in your home is one of the easiest ways to save energy, money and help fight global warming. • Average household spends more than $2,200/year on energy bills - nearly half goes to heating & cooling. • Homeowners can save about $180/year by properly setting programmable thermostats & maintaining those settings. Sustainable Danville Area – January 2011: Save Energy
  • 18. Program your thermostat Sustainable Danville Area – January 2011: Save Energy
  • 19. You can achieve significant savings by sticking with these default settings (intended to deliver savings without sacrificing comfort)… SETPOINT TEMPERATURE PROGRAM TIME (HEATING) (COOLING) Wake 6 AM ≤ 70º F ≥ 78º F Day 8 AM Setback at least 8º F Setup at least 7º F Evening 6 PM ≤ 70º F ≥ 78º F Sleep 10 PM Setback at least 8º F Setup at least 7º F … or adjust them as appropriate for your household. But keep in mind the number one failure of these devices is manual overrides Sustainable Danville Area – January 2011: Save Energy
  • 20. Getting the most out of your programmable thermostat • Keep temp set at energy savings set-points for long periods (at least 8 hours) • You use more energy (and spend more money) by consistently overriding the pre-programmed settings; overrides are cancelled automatically at next program start. • Units have permanent/vacation & temporary hold features. Avoid permanent hold feature to manage day-to-day temperature settings. You'll waste energy & money if “hold” is at a comfort setting while you're away. • Cranking your unit up to 90º or down to 40º will not heat or cool your house any faster. Most thermostats begin to heat or cool at set time, to reach set point temperatures sometime thereafter. (Adaptive recovery units constantly calculate amount of time required to heat or cool house.) • Multiple HVAC zones? Customize programming to maximize comfort, convenience & energy savings throughout house. • Don‟t forget to change batteries if your thermostat is not hard-wired. Sustainable Danville Area – January 2011: Save Energy
  • 21. Heat and Cool Efficiently Maintain your equipment  Change your filter at least two times per year – 4 times per year is best  Consider using electrostatic filters which last 12-15 years  Need to be washed every two months  Rated Allergy Gold  “Whistling could be an issue  Have a Professional tune up your HVAC system each Spring and Fall Sustainable Danville Area – January 2011: Save Energy
  • 22. Heat and Cool Efficiently  Ducts that move air from forced heating/cooling systems are often energy wasters – typically up to 20% can be lost to leaks  Seal air leaks using mastic sealant or metal tape – do not use duct tape  Make sure connections at vents and registers are sealed where they meet floors, walls and ceiling – common locations for leaks Sustainable Danville Area – January 2011: Save Energy
  • 23. Heat and Cool Efficiently  Energy Star recommends considering a change to your system if:  Some rooms are too hot or cold, have humidity problems or excessive dust.  Your equipment needs frequent repairs and your energy bills are going up.  Your heating and cooling equipment is more than 10 years old. Age & condition of your heating and cooling equipment may have caused it to become less efficient. Consider replacing it with newer, more efficient equipment.  You used EPA‟s ENERGY STAR Home Energy Yardstick (www.energystar.gov/yardstick) and your score is below 5 – which means you‟re paying for more energy than most Americans. Sustainable Danville Area – January 2011: Save Energy
  • 24. Heat and Cool Efficiently  Purchase ENERGY STAR qualified gas furnaces:  have annual fuel utilization efficiency (AFUE) ratings of 85% and 90% - or greater, making them up to 15% more efficient than standard models.  have highly efficient blower motors.  Purchase ENERGY STAR qualified central air conditioners:  have higher seasonal energy efficiency ratio (SEER) and energy efficiency ratio (EER) ratings, making them about 14% more efficient than standard models.  The only way to ensure that your new air conditioner performs at its rated efficiency is to replace your heating system at the same time. It‟s especially recommended if your furnace is over 15 years old. Sustainable Danville Area – January 2011: Save Energy
  • 25. Insulate  Insulation Energy Loss Areas of Concern:  55% Attic  35% Exterior Walls  5% Outlets and around windows  5% Subfloor with crawl space  To get the biggest savings, the easiest place to add insulation is the attic.  Type of Insulation to use:  Fiberglass, recycled glass, is the safest and most cost effective way to insulate your home. 40% produced in US with remaining usually from Canada  Cellulose (70% recycled newspaper) contains fire-retardant/control for vermin and mold chemicals  Blue jean material is heavy & and hard to fit properly around pipes and electrical (hard to cut). Sustainable Danville Area – January 2011: Save Energy
  • 26. Insulate  To get the biggest savings, the easiest place to add insulation is the attic.  Recommended levels of insulation for your attic  Existing 3-4 inches of insulation: R25 - R38  Floor: R19 – R25  If you are removing siding from a wood-frame wall without insulation:  Add R5 insulation wall sheathing beneath new siding Sustainable Danville Area – January 2011: Save Energy
  • 27. Seal the air  Seal the "envelope“ of your home - outer walls, ceiling, windows, doors, and floors  Many drafts are easy to feel – leaky windows & doors. Seal with caulk, spray foam, or weather stripping  Holes hidden in attics, basements, & crawlspaces are usually bigger energy problems.  Fireplaces without doors are one of the biggest heat loss & cold gain areas in your home. Add doors!  After any home sealing project, have a heating & cooling technician check to make sure that your combustion appliances (furnace, water heater, and dryer) are venting properly. Sustainable Danville Area – January 2011: Save Energy
  • 28. Replace old windows and doors Sustainable Danville Area – January 2011: Save Energy
  • 29. Replace old windows and doors Sustainable Danville Area – January 2011: Save Energy