How much gas does a fridge use?

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...also, if you're using gas as there's no EHU, will you be using gas for hot water and cooking where you might not be usually?

It is not a question with a simple answer, as fridges are thermostatically controlled so gas use reflects the challenges they face.

EG; if it is very hot weather then it will use very much more gas than if it is a cold snap. The same variability can occur if the vents are housed in a poorly ventilated awning as happens with some designs. How frequently you open it and place large water content items in it to chill, the greater will be its gas use.

The makers quote the maximum consumption rate and if the model is identified there could be people here with the handbook to look up that value. Clearly they can't be on full chat more than 100% of the time.

We have the very big tower fridge with separate freezer and being away off an EHU for 14 days in this latest very warm weather I would estimate we have used 8 kgs of our new 10 Kg bottle, a very big part of that the fridge figthing the warm ambient day and night. I was amazed how much was used up.

Ours a RMT 7655L is rated at 380g per 24 hours, so in 14 days could account for over 5 KGs, it certainly seemed to take little rest from firing up the burner.

We have the large Thetford fridge with separate freezer and find it will use a full 6kg bottle of gas in about 14 days in moderate summer temperatures.

We were once in southern France and I couldn’t select the mains position on the fridge so we ran on gas for about a week to ten days. In hot weather (30 - 32 deg. C.) the gas consumption was very high and it was quite noticeable how much we used.

Just been away for 10 days and we used about 6kg of gas- I know this because I took my 5kg and my 7.5 kg with me. The 5kg ran out on the 7th day- cooking and water heater was in that too and on a couple of occasions we had the heating on for an hour for the OH.  I hardly touched the 7.5kg. Ocsid says they are thermostatically controlled and I bow to his obvious knowledge on this but surely doesn’t it all depend on the setting of the fridge? I have 5 settings low to high- on the cooler days 1 will be fine but on the really hot days that will not be sufficient and it  has to be increased to 4 or even 5 (although I haven’t used 5 yet). Thank goodness I’m on Safefill! I don’t know how many of you turn the gas off at night or when you go out for the day- when I remember, I do and its amazing how much gas you save not keeping water hot through unoccupied periods -?just a thought 

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Here is what I wrote a few years ago on the subject.

Gas consumption
You should be able to work this out for yourselves from the appliance handbooks.

From the fridge handbook, typical consumption is given at 0.27Kgms per 24hrs on Hi setting.  Therefore, if you were not doing any cooking or heating and ran a fridge continually on gas, for every 1Kgm of gas you have, you should last just over 3.5 days

 Heating is rarely used in the summer and if you cook with gas it is estimated you would use not more than 0.200Kgms per day. It is assumed 2 days a week other sources are used e.g. eat out or barbecue.

Water heaters are rated a 120gms per hour, lets say it is used 2 hours per day.

So if you were on gas only, consumption per week would be:

Water heating ...............0.24x7 = 1.68Kgms
Fridge ..........................0.27x7 = 1.89Kgms
Cooking 5 days ..............0.2x5 = 1.00Kgms

Total per week ..................... = 4.57Kgms

or total per day ……………………..=  0.652Kgms

It looks as though it is quite feasible to go up to 3 weeks on a full 13kgm bottle or up to 9 days on a 6Kgm bottle.

If you used a hook up every day, only cooking would use gas in a modern van. Using the above figures a 13 Kgm bottle could last up to 13 weeks before running out.

The totals quoted above are probably on the high side. A sample of reports from various forum members suggests a daily consumption figure of 0.5Kgms is more realistic. The consumption figure used for cooking above is very much a rough estimate and depends on life style. Another factor might be not every one runs a fridge on high all the time and thermostatic control of the fridge and heaters and external temperatures can all influence consumption.

A good yardstick for summer consumption would therefore appear to be between 0.5 and 0.6Kgms per day.

 Of course in wintertime with gas heating, daily consumption will be very much higher and it is estimated you would need to allow for a consumption of 1 to 1.5Kgms per day.

 peedee

Thank you for the replies which have been very useful and informative.