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Heating and Cooling Systems

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Efficient homes are tightly air-sealed and properly insulated. ... Sealed-combustion appliances draw air directly from outside the home. ... – PowerPoint PPT presentation

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Title: Heating and Cooling Systems


1
Heating and Cooling Systems
2
Saving Energy and Staying Safe
  • Efficient homes are tightly air-sealed and
    properly insulated.
  • If heating and cooling systems are working
    properly then you
  • reduce pollution.
  • minimize health risks.

3
Venting Combustion Appliances
  • National Fire Protection Association (NFPA) codes
    must be followed to ensure safe operation of
    combustion equipment.
  • It is critical that combustion appliances have
    enough air to run safely.
  • Sealed-combustion appliances draw air directly
    from outside the home.
  • Natural-draft and power-vented units draw air
    from the indoor space where they are located.

4
Energy Consumption
  • The amount of energy you consume in your home
    depends upon
  • How well the house is insulated.
  • The efficiency of appliances and equipment.
  • The local weather and climate.
  • Your lifestyle.
  • A home energy audit can identify how energy
    efficient your home is.

5
Energy Efficiency
  • New heating and cooling units are more efficient
    than those 15 to 25 years old.
  • Equipment should be inspected and serviced every
    year and maintained monthly.
  • Air filters need to be changed or cleaned
    regularly.

6
Adjusting Your Thermostat
  • Save energy by
  • Setting the thermostat lower in winter.
  • Setting the thermostat higher in summer.
  • Using a digital thermostat.
  • Try a home energy manager which allows many
    temperature settings each week.

7
Distributing Air Efficiently
  • If you have central heating and cooling, you have
    a system to distribute the air.
  • Make sure your ductwork does not leak so it wont
    waste energy.
  • Insulate ducts in unheated space.
  • Properly seal any duct joints.

8
Windows, Doors and Leaks
  • Air leaks can contribute to a homes total heat
    loss.
  • Find leak points and seal them.
  • Doors and windows allow air to enter.
  • Cracks around door and window frames can be a
    primary source of heat loss.
  • Seal leaks with caulking and weather stripping.

9
Insulation
  • Insulation prevents transfer of heat or cold air
    through walls, floors, or ceilings.
  • R-values measure how well materials resist the
    flow of energy into or out of your home.
  • The larger the R-value, the more heat or cool air
    stays in your home.
  • Find out the recommended R-value for your area.

10
Hot Water
  • Lower the temperature of your water heater to
  • save energy.
  • increase the life of your water heater.
  • reduce the chance of being burned by hot water.
  • Wrap your hot water heater with an insulated
    blanket.
  • Reduce your use of hot water.
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