Rabu, 06 Januari 2010

Tips and Tricks

We will be giving everyone a few simple tips and steps that can end up saving you a lot of money when it comes to running your air conditioner.
A little planning before installing your air conditioner will save you energy and

● Try setting your thermostat between 22°C and 25°C.
Each degree setting below 25°C will increase your energy consumption by approximately 8%.
As you can see, that can add up to a lot of money over a year.

● Inspect and clean both the indoor and outdoor AC/ Heating coils.
The indoor coil in your air conditioner acts as a magnet for dust because it
is constantly wetted during the cooling season.
Dirt build-up on the indoor coil is the single most common cause of
poor efficiency.
The outdoor coil must also be checked periodically for dirt build-up and cleaned if necessary.
● Check the refrigerant charge.
The circulating fluid in your air conditioner is a special refrigerant gas that is put in when the system is installed.
If the system is overcharged or undercharged with refrigerant, it will not work
You may need a service contractor to check the fluid and adjust it appropriately.
● Use bath and kitchen fans sparsely when you are running the air conditioning system.
● Reduce the cooling load by using cost-effective conservation measures.
For example, effectively shade east and west windows.
When possible, delay heat-generating activities, such as dishwashing or baking, until the evening on hot days.
● Try to not use a dehumidifier at the same time your air conditioner is operating. The dehumidifier will increase the cooling load and force the air conditioner to work harder, which in turn increases your utility bill.
● Over most of the cooling season, keep the house closed tight during the day. Don’t let in unwanted heat and humidity. If practical, ventilate
at night either naturally or with fans.

Room Air Conditioning Units

● The unit should be level when installed, so that the inside drainage system and other mechanisms operate efficiently.
If possible, install the unit in a shaded spot on your home’s north or east side. Direct sunshine on the unit’s outdoor heat exchanger decreases efficiency by as
much as 10%.
You can plant trees and shrubs to shade the air conditioner, but do not
block the airflow.
● Set the fan speed on high, except on very humid days.
When humidity is high, set the fan speed on low for more comfort. The low speed on
humid days will cool your home better and will remove more moisture from the air
because of slower air movement through the cooling equipment.
Consider using an interior fan in conjunction with your window air conditioner to
spread the cooled air more effectively through your home without greatly increasing
electricity use.
● Set your air conditioner’s thermostat as high as comfortably possible in the
The less difference between the indoor and outdoor temperatures, the lower your overall cooling bill will be. And don’t set your thermostat at a slighter setting than normal when you turn on your air conditioner.
It will not cool your home any faster and could result in excessive cooling and,
therefore, unnecessary expense.
● Don’t place lamps or televisions near your air-conditioner’s thermostat.
The thermostat senses heat from these appliances, which can cause the air conditioner to run longer than necessary.

Proper maintenance of your air conditioner will also save energy. Be sure to do the

● At the start of each cooling season, inspect the seal between the air conditioner
and the window frame to ensure it makes contact with the unit’s metal case.
Moisture can damage this seal, allowing cool air to escape from your house.
● Check your unit’s air filter once a month and clean or replace filters as necessary.
Keeping the filter clean can lower your air conditioner’s energy consumption by 5% to 15%.
● Occasionally pass a stiff wire through the unit’s drain channels.
Clogged drain channels prevent a unit from reducing humidity, and the resulting excess moisture may discolor walls or carpet.

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