Old freezer power use?

Hococop

Sorry if in the wrong forum, parents freezer gave up (at least 20 years old), they got a new one today,

New one said annual kWh usage is around 225kwh over the year (€50-60 power in the year)

Looked at the old freeze to compare power, said 200watts

I assumed that is per hour and I worked it out around 1752 kwh for the year which would be €420 power in the year

Just wondering if my maths is right or would it use less than 200 watts?

Here is a simple guide to convert (double check your maths) watts to KWH, just remember that the freezer isn't running 24/7 even though it is always on.
The compressor only runs intermittently when the thermostat calls for cooling. Depending on the ambient room temperature and quality of insulation it could be anywhere between 6 and 18 hours day equivalent running time.

http://sciencing.com/convert-watts-kilowatt-hours-2703.html

Watts are a measurement of how many joules of work can be done in one second and are commonly used to indicate how much power an electrical device uses. Kilowatt hours are a measurement of energy and are used to calculate how much work can be done in an hour with one kilowatt--1,000 watts--of power. To determine how much energy an electronic device uses over a period of time, you must convert watts into kilowatt hours.

Determine how many watts are spent in an hour. If you have a 60W light bulb, for every hour the bulb is turned on, it uses 60W of power.

Divide the number of watts by 1000 to convert the number from watts to kilowatts. 60W divided by 1000 results in 0.06kW.

Multiply the number of kilowatts by the number of hours the device will be used. If the device will be used for three hours, multiply 0.06kW by three to produce 0.18kWh. If a 60W light bulb is left on for three hours, it will use 0.18kWh of energy.
Tip

Use the conversion to calculate how much money you could save on your electric bill if you turned your electronic devices off.

Hococop

[Deleted User] wrote: »

Here is a simple guide to convert (double check your maths) watts to KWH, just remember that the freezer isn't running 24/7 even though it is always on.
The compressor only runs intermittently when the thermostat calls for cooling. Depending on the ambient room temperature and quality of insulation it could be anywhere between 6 and 18 hours day equivalent running time.

http://sciencing.com/convert-watts-kilowatt-hours-2703.html

Cheers yeah I assumed it wasn't running 24 hours

My maths seems right only thing I did wrong was multiply .2 kWh by 24 hrs, I'll assume its running half that time

.2 by 12 is 2.4 kW used a day
365 days is around 876kwh annually
New one says around 250ish kw a year so a good saving

Calahonda52

http://www.bbc.com/news/world-asia-india-40509494

Ashutosh Maharaj: Followers win fight to keep guru in freezer