Help needed - Keeping Ice in an Evakool Esky
Submitted: Monday, Jan 18, 2010 at 11:57
ThreadID:
75295
Views:
17040
Replies:
17
FollowUps:
12
This Thread has been Archived
Tony
Hi everyone,
We have just purchased a 65 litre Fibreglass Evakool Esky ( the new TIB one)
we bought it to keep milk and drinks etc cool as our waeco will be used for just meat and frozen things.
I have read that the fibreglass ones have excellent ice keeping ability and we were hoping to be able to get 5 to 7 days using block ice before needing to replace.
We have just returned from a week on the south coast and we only got 1-2 days max out of the blocks and the bag ice just melted really quickly....what are we doing wrong?
In the 65l we had 3x 2litre bottles frozen ( they were frozen for approx 2 days before hand) the rest of it was
well packed with drinks, milk cheese etc
Can anyone offer advice as to where we are going wrong to only get such a short time out tof the ice, im worried we have made an expensive mistake if it wont keep the ice for at least 4 days.
The seal on it is really good as sometimes you cant open it and have to give the lid a good pull as it seems to sucction shut. We did have some hot weather and the esky was kept inside in the shade of the full annexe of the camper.
Any help would be really appreciated
Thanks
Tony and Dawn
Reply By: Member - Porl - Monday, Jan 18, 2010 at 12:24
Monday, Jan 18, 2010 at 12:24
2 issues. Don't put hot things in and cool the walls down for a few days before you take it with you.
My only problem was that, in defying the laws of thermodynamics, the static Evakool actually froze things that were put in warm.
But that was when the percentage of frozen items was much greater than the bottles of tap water.
So just a bit of experimentation I think.
And maybe don't freeze things in the waeco, just get them vacuum sealed, then you can run the waeco as a fridge and use it also to cool things down for the evakool. Maybe then even just run the waeco during the day and not 24hrs.
My thoughts, and I reckon properly used an evakool and a waeco fridge will suit you for years to come.
Something also to remember is that the longer a water bottle is in your fridge at
home the colder it gets.
Test by freezing one bottle for a week and one bottle for a night, then take out next day and place in the kitchen sink, you'll probably see that the one frozen for one night is probably at -5C or so but the one frozen for a week is probably close to -20C or -30C even. So imagine that issue replicated in your evakool and you'll always put the frozen water bottles in the freezer for a couple weeks before you go.
AnswerID:
399991
Reply By: chisel - Monday, Jan 18, 2010 at 12:52
Monday, Jan 18, 2010 at 12:52
Use at least 5 x 2L blocks.
Freeze them for 4 or 5 days beforehand.
If you can, put all your stuff in the esky and fill up the entire remainder with bag ice. (Obviously this will melt so need to be careful about water getting into stuff)
Avoid putting in hot stuff, if possible.
You should be getting 3-4 days before most of the bag ice is melted and probably half the blocks. Depends on weather and usage though.
AnswerID:
399997
Reply By: Steve63 - Monday, Jan 18, 2010 at 16:19
Monday, Jan 18, 2010 at 16:19
We have one of their esky's and you should get 5 days.
1) Put 10l of ice in the esky the day before to cool it down. The air in it should feel cold when you open the lid.
2) Cool or freeze everything going into the esky
3) Pack ice and cool drinks etc ~1/3 of the volume needs to be block ice that is definitely frozen. If making at
home leave the containers in the freezer for 4 -5 days. Cube shapes are better than long thin shapes. This is to last not good for packing though :-)
4) Keep it out of the sun while traveling and
check you have not located the esky over the exhaust.
5) avoid long open times.
Steve
AnswerID:
400036
Follow Up By: Tony - Monday, Jan 18, 2010 at 16:27
Monday, Jan 18, 2010 at 16:27
thanks Steve,
we have the esky in the back of the ute which has a ARB canopy on. no A/C in there but tinted windows. Would it be best to insulate it in some way whilst travelling as the fan from the Waeco can kick out some heat.
Tony
FollowupID:
669129
Follow Up By: Steve63 - Monday, Jan 18, 2010 at 16:42
Monday, Jan 18, 2010 at 16:42
Should be ok in the back of the ute as long as it is out of direct sun. The tinting reduces but does not eliminate the heat from the sun. The heat from the Waeco could be a problem. What you have is a temperature differential between inside and outside the esky. The walls of the esky are not perfect so the bigger the difference the faster the energy (heat) will move into the esky. If you go to a cold country they wear lots of thinish layers because it provides better insulation, so as you suggest adding another layer could be very helpful. When we had ours in the back of the wagon we used to put a pillow or two on top if the sun was coming in that side. Made quite a bit of difference.
Steve
FollowupID:
669136
Reply By: Sand Man (SA) - Monday, Jan 18, 2010 at 18:20
Monday, Jan 18, 2010 at 18:20
Hi Tony,
I have an Evakool 45l & 65l Iceboxes and also use block ice to prolong the cooling process.
I gave away the idea of using 2 litre containers as they just take up too much room.
I found and purchased a couple of plastic containers which when filled with water and frozen, will give me two blocks of ice 3 to 4 inches thick (75 to 100mm) which are placed on the bottom of the icebox side by side to completely cover the bottom. The icebox is loaded up with whatever and if I'm chilling drinks, I also add "crushed" ice.
I generally use one or two bags of crushed ice and
the block ice keeps the crushed ice from melting too quickly. In fact for the first couple of days the crushed ice is usually frozen fairly
well.
I get about 4-5 days out of the blocks, but the "crushed" ice has usually turned to water by then.
One tip with "crushed" ice. Try to avoid the type with holes through the middle. This is a cheap and quicker process in making ice and it just doesn't last long.
For longer periods, you can add dry ice to
the block ice, but I generally don't use dry ice as it is hard to come by away from major cities.
Bill.
AnswerID:
400054
Follow Up By: Wilk0 - Monday, Jan 18, 2010 at 21:08
Monday, Jan 18, 2010 at 21:08
Hi Tony,
I 2nd the dry ice. I try to get a block about 30cm square. (ussually from a BOC outlet)
I put that in the bottom of my 55lt evakool and addblock ice on top. I had my chops frozen after 15 days in temps averaging 36c (with one day of 42c). I only open the lid 1 or twice a day.
1 word of warning is that dry ice will freeze anything it touchs, beer bottles etc, and wont do your hands a world of good either so if it doesnt come in a hessian bag or paper, wrap it in newspaper and ensure you use welders gloves whilst you do handle it.
Cheers Wilko
FollowupID:
669215
Reply By: Holden4th - Monday, Jan 18, 2010 at 19:54
Monday, Jan 18, 2010 at 19:54
I own a 65L Evakool and it's the best esky I've ever used. This is how I keep my food cold in it, regardless of conditions.
Before I go anywhere I've put a plastic 10L and a 5L container of water which I've had frozen for months in the esky. This is important. The longer you freeze water the longer it will take to melt. I've found that it will take at least 10 days to totally melt the contents of both containers and even then the esky will still be cool.
After 4 days both containers will have melted 30% of their contents but still have a solid core of ice (70%) in them. At this point, if I'm in a place that has a freezer available, I remove one of the containers and refreeze it overnight. Two nights later I look to do the same thing with the other container. There are so many
places that will let you put your ice containers in their freezer. I've travelled for months using this system making sure that the core of ice remains. The bigger the bigger
the block, the longer it will take to melt.
Now I have used 15L of space in my esky but surely 50L of storage is enought.
AnswerID:
400068
Follow Up By: Tony - Monday, Jan 18, 2010 at 20:01
Monday, Jan 18, 2010 at 20:01
thanks,
do you freeze in a normal fridge freezer or a chest freezer.
I note a few people said to use a chest freezer as its colder but we dont have access to one only the normal upright and the waeco run as a freezer at
home.
Tony
FollowupID:
669202
Reply By: Shaker - Tuesday, Jan 19, 2010 at 15:35
Tuesday, Jan 19, 2010 at 15:35
I agree with one of the above replies.
With our Evakool we froze water in "Kitty Litter" trays (new) & put in the bottom, after pre-chilling the ice box overnight, load it with cold food/drinks & then use good size cubed ice.
Best time we ever got was 11 days at Crooked River one Xmas.
I wish I still had it, now have a Waeco Ice Box (due to size constraints) & it goes through 2 bags of ice a day. I should have realised that their ice boxes would be no better than their fridges.
AnswerID:
400189