Gas

Butane will be fine unless the weather is really cold. Are you sure they are 7.5Kg? Calor butane bottles are 7Kg with the equivalent size in propane is 6Kg, although the calorific value is similar. You may be able to swap the butane for the heavier 6Kg propane but not the 6Kg Calorlite propane.

Thanks,they are 7KG my mistake

if you camp all winter in cold wether, Propane will gass off better than Butane, which may not work if the temp is low enough...

other thwn that, not much in it.

if you do decide to change bottle (when empty, of course) you will need to change the fitting at the bottle end, unless you are using a bottle top regulator, in which case they might be the same fitting for both types (cant remember that as i have a bulkhead fitted regulator)

Hi Mark, Butane can be good to even just a few degrees above freezing but it the liquid doesn't gas off very easily and this can cause problems if the temperatures plummet. Propane is good to well below freezing - although by then you'll have problems with water freezing etc. We've gone all propane to be on the safe side.

Hi there CY we are at Lincoln Motorhome show and I have just changed a 6KG heavy bottle for a 6KG CalorLite bottle .apparently Calor changed their policy on bottle exchange 3wks ago.

Brian & Jo

As BB says Butane is fine for summer but I got caught out early November one year with Butane not working at - 4 degrees.  So I swapped and yes you can exchange cylinders blue for red.  Just to offer a other option - if you may use a lot of gas you could go for a refillable such as Safefill.  I am glad to have gone that route but only if you are likely to caravan away from CC sites.  I am currently off grid with stunning sunset and a field to myself!  

Which is the best to use?
I have 2 7.5Kg Butane cylinders I use for the BBQ,would these be ok to use in a motorhome or should I go for propane ?
Can I exchange Butane bottles for propane ?

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Google Calor's web site to see which 'familys' show your bottle and compatible exchanges. Propane is more versatile in terms of cold weather, with no warm weather disadvantage. You won't be able to exchange for Calorlite, but they are much ligheter and hence easier to lug about.

In my opinion, the best cylinders are GasLight, formerly BP Light. They come in 5kg or 10kg sizes. They are lighter than CalorLite, transparent so that you can see the level, have clip-on connectors and a far better carry handle than Calor. In fact they, and some continental cylinders, make Calor look Victorian. You can often get them cheaply on eBay and I saw one discarded at the local council tip the other day. 

Unfortunately they are only realistically available at Homebase. but that's fine if you have one close to you. The Dutch are more enlightened and they are more freely available over there.

Not that I have anything against Calor (cue laughter).

Calor changing  it's policy  Whoooho perhaps they are feeling the pressure from the refillable!

 

Unfortunately they are only realistically available at Homebase.

Or from Gasdeal (Flogas), delivered free.

http://gasdeal.co.uk/10kg-gaslight-cylinder/