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How to Estimate Home Appliance Energy Use
There’s a very simple way to figure out how much energy your home appliances are using. I’m not a math genius, and I can
accurately determine how much energy each appliance in my home is using.
The formula is:
(Wattage × Hours Used Per Day ÷ 1000 = Daily Kilowatt-hour (kWh) consumption(1 kilowatt (kW) = 1,000 Watts)
Determine the annual energy consumption by estimating how many days per year you use the appliance. Then, you can figure the annual cost by multiplying the kWh by using your local utility’s kWh rate.
Here’s an example of something you may use frequently – a personal computer and monitor.
(120 + 150 Watts × 4 hours/day × 365 days/year) ÷ 1000 = 394 kWh × 8.5 cents/kWh = $33.51/year
Adjust the numbers to what you use. If you don’t know the exact figures, make an estimate.
Many appliances have the wattage stamped somewhere on the unit itself. It may be on a metal plate along with the
manufacturer’s serial number. If you can’t find the wattage, you may find the amount of amps the unit consumes. If you find the amp consumption, multiply it by the voltage used by the appliance. For most household items, it’s 120 volts.
However, your electric stove and dryer are usually rated at 240 volts.
Beware of a condition known as “phantom load.” This is when appliances continue to use electricity even when they’re turned
off. Some common examples are your VCR, TV, stereo, computer, and many kitchen appliances.
You can prevent phantom load by either unplugging the appliance from the wall socket, or you can plug it into a power strip.
Turn off the power strip when you’re done using the appliance. This will save some money on your energy bill every year.
Here’s some typical wattage ratings for common household appliances:
- Coffee maker = 900–1200
- Clothes washer = 350–500
- Clothes dryer = 1800–5000
- Dishwasher = 1200–2400 (using the drying feature greatly increases energy consumption)
- Clothes iron = 1000–1800
- Microwave oven = 750–1100
- Radio (stereo) = 70–400
- Refrigerator (frost-free, 16 cubic feet) = 725
- Televisions (color)
- o 19″ = 65–110
- o 27″ = 113
- o 36″ = 133
- o 53″-61″ Projection = 170
- o Flat screen = 120
- VCR/DVD = 17–21 / 20–25
- Vacuum cleaner = 1000–1440
- Water heater (40 gallon) = 4500–5500
Now that you know how to calculate energy consumption of common appliances in your home, it’s easier to figure out which ones you want to keep turned off as much as possible to save energy.
Read the free ebook “Six Home Improvement Money and Energy Saving Techniques” to discover ways you can cut your energy bills.
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Are You Planning to Shop For Home Appliances?
Home appliances include all the items that are used in the household process. Every individual product might be small or large and are basically classified as white goods and brown goods. The Brown goods encompass most of the electrical equipments such as CD, DVD players, televisions.
They have a traditional finishing with wood. Air conditioners, stoves, washing machines come under the White goods and mostly they are enameled white. There are so many equipments to be bought and they differ in their price according to the usage and degree of comfort.
An important factor to be considered is the energy efficiency to save some money. Products that are environment friendly can be very beneficial.
The home appliances must not use much of the resources and it is better to look for new features and buy accordingly. They serve different purposes and yet they add beauty to the home. They have become a basic necessity in today’s life. Almost every house has got a refrigerator, bread toaster, electric kettle, electric stoves, washing machine and much more.
These appliances have enhanced features with technical innovations. It is important to check the consumer guide before the purchase. For example, the buyer has to check for the refrigerator which will use energy saving methods even though it is quite expensive. These consumer guides play a vital role in educating the users about the right product and their usage. Following these guidelines, the buyers can spend their money wisely. You can save a lot of money by proper planning and research.
Tags: air condition, air conditioner, air conditioners, appliance, appliances, classified, electric, electric stove, electrical, energy efficiency, home appliance, home appliances, money, refrigerator, toaster, washing machine, washing machines, white, white goodsRelated posts