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What
to expect during your energy audit.
Home Energy Audit
Energy Audits have been around for years, however most people
are unaware of what is involved with an energy audit. An
energy audit is a systematic approach to viewing your Home
as a System. We view each phase of the audit as
a piece of the puzzle and all of the pieces must fit, function
and work together to achieve the highest Building
Performance
1. The audit begins with an exterior view of the home,
all items are thoroughly viewed, measured and a sketch of
the home is created to gather all of the important information.
2. The second step begins with an interview with the homeowner
to discuss any issues or areas of concern that the homeowner
might be aware of. (Example: hot or cold areas, moisture
or mold issues, drafty areas of the home, etc.) It would
be a good idea for the homeowner to have the last 12 months
of utility bills for analysis by the energy auditor.
3. Next an inspection of all of the combustion appliances
along with testing of this equipment to determine condition,
efficiency and safety. (furnace, water heater, stove, dryer
and any other combustion appliance in the house, i.e. gas
space heater)
4. A visual inspection of the interior, attic, basement/crawl
space do determine insulation levels and to look for any
potential weatherization issues.
5.
A blower door test will be performed to determine and locate
air leakage pathways, in conjunction with a inferred thermal
camera all air leaks are mapped out for air sealing at a
later time. We will also check and test the furnace/air
conditioner duct system to determine leakage.
6. A test will be run on the combustion appliance zone to
determine that combustion appliances are venting properly
and that they are not spilling combustion gases under worst
case conditions.
7. At this point we can let the client know what our findings
are and give them a rough idea of the recommended weatherization
measures that will benefit the homeowner.
8. All of this information will then be entered into a software
package to determine the cost effectiveness for weatherization
work. A report will be generated and presented to the customer,
generally with a day or two.
9. At this point the homeowner can make a determination
based on the cost and the simple payback of the potential
energy retrofit.
If the homeowner has any questions before, during or after
the energy audit, please feel free to let us know. We will
be happy to take the time to explain anything that you need
additional information or an explanation of.
The
House As A System
A house is made up of components that work together
to form an integrated system.
The performance of one component depends on its relationship
with other components in the same system. Your home's
ventilation and heating components, construction materials,
their assembly and the behaviour of occupants all interact
– a change to one affects all others.
Changing one component of a house without considering
how it influences other components
and the entire house system can waste energy and money.
Here are a few examples of how EnerGuide rating service
energy advisors apply the "house as a system"
concept to provide expert advice:
- Your high-efficiency furnace won't run at peak
performance without adequate weatherstripping around
windows and doors and sufficient insulation in the
walls and attic. Investing in the proper sealing of
the home can provide the right kind of conditions
to allow the realization of substantial savings.
- New high-efficiency windows won't prevent your
home's condensation problems if they are improperly
sealed or insulated, the humidifier on the furnace
has not been adjusted or if kitchen and bathroom exhaust
fans are rarely used or are improperly vented.
- A properly functioning home incorporates airtightness
and good ventilation. An EnerGuide rating service
energy advisor makes sure that any recommended upgrades
will take both these factors into account as well
as other components of the house as a system, thereby
ensuring the health and safety of the occupants.
All energy advisors that have been certified through
the EnerGuide Rating System know how house components
work together to achieve a superior level o energy efficiency
and indoor comfort. This includes the ability to assess
how a home will use energy and which areas may need
improving. Adjustments or upgrades are only recommended
after considering their influence on other aspects of
the house system and how those upgrades can reduce costs
elsewhere.
What does
the EnerGuide rating label tell me?
Anyone can claim that a house is energy efficient, but
an EnerGuide rating label proves how efficient it is.
The label gives you an estimate of the electricity, natural
gas or oil that you can expect to consume each year. But
remember that energy consumption estimates are just that
– estimates. The estimate for your home is based on
a number of standard assumptions, such as a family of four
living in the home and specific thermostat settings and
usage rates for hot water, lighting and appliances.
A one-point improvement on the EnerGuide rating scale
typically reduces your home's energy consumption by
3 to 5 percent. Remember to ask about what options are available
to you.
Are
there any other benefits to having an EnerGuide rating?
Homeowners are aware of high energy prices and are beginning
to value evidence of energy efficiency. The EnerGuide rating
label gives you that evidence. And when you are ready to
move on, you will be selling a home with proven efficiency,
with a rating backed by the Government of Canada.
By choosing energy efficiency options, you will also be
making a choice to help protect our environment. By using
less energy, you reduce the greenhouse gas emissions your
home produces that contribute to climate change.
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