Power consumption chest freezer verasus refridgerator.

Similar internal size. Chest freezer is drawing slightlky more (5%) that refridgerator(vertical door). The chest freezer is opened 2-3 times per day, The refridgerator about

6-12 times per day. Refridgerator is still on spec for power consumption according to the energey label.

Need regass? 30yrs old freezer worth regassing? Or just go shopping for a new one?

T.I.A.

Reply to
terryc
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Reply to
atec77

Freezers usually use a bit more power than refrigerators since there is a greater difference between ambient temperature and the internal temperature for a freezer versus a refrigerator.

Door label energy consumption is worked out at 32C ambient. Most refrigerators and freezers will use less than this door label number at more reasonable ambient temperatures. Freezers use closer to the door label number than refrigerators, since freezers run colder than refrigerators.

If the freezer is running at correct freezer temperatures (check with a thermometer) I'd run it until it stops working.

At usual room temperatures it will take many, many years to get your new freezer cost back from the greater efficiency of a new freezer.

Refrigerators and freezers cost roughly about $0.20/day to run. A 10% saving is only $.02/day, or about $7/year. If a new freezer costs $700 then it will take roughly 100 years to get your money back from the energy savings.

Ross

Reply to
RMD

n

How many c per KWH do you base that on ?

Reply to
kreed

RMD makes a valid point regarding economics. It would be useful to know the actual freezer size and energy consumption figures involved.

Sylvia.

Reply to
Sylvia Else

t
n

Should also mention that a lot of the refrigeration gear made in the

1970's had much less effective insulation than modern units. Have seen several cases of this where people have upgraded and power costs have dropped dramatically. This does not take into account other things related to age or damage such as poor seals, insulation eaten by rodents or insects etc.
Reply to
kreed

Yes, it's entirely possible that his power consumption will go down if Terry buys a new freezer. If being green is his concern, then he should probably do so. However, if his goal is to minimise his expenditure, the cost of power has to be weighed against the costs (lost of interest on the capital, if nothing else) involved in buying a replacement.

Sylvia.

Reply to
Sylvia Else

Okay, let me rephrase this. Does anyone have a freezer with an energy label? If so, would you share the estimated annual power consumption and size please? This will allow me to decide if my freezer is in the ball park or not.

Reply to
terryc

Have a look at

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Reply to
TonyS

Thank you. that was exactly what we needed. Shows how often I been shopping for white goods recently.

In the end, we ended up replacing out approx 27 year old Westinghouse

210 Freezer, which is now consuming about 800 KWhr/pa(according to the power meter) with exactly the same brand and model, but now is rated at 322 KWHr/pa. So, the savings of ~$95pa will pay for it in six years. Probably less the way electricity prices in NSW are taking off.
Reply to
terryc

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