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bagmaker wrote:

T1 Terry wrote:There is an alternative.... there always is eh The part that is too big is the condenser, replace the air to air condenser with a water cooled condenser, then plumb that water via the hot water tank through a heat exchanger coil and on to the radiator for cooling, then back through again. This way the waste heat from the air con is used to heat your hot water, the outside unit is much smaller and an electric fan can be added to the radiator if needed, but there is a lot of water in a bus engine cooling system to heat before the fan was needed.

T1 Terry

Good system has been used before in specialised vehicles. Would work very well for a normal fridge too.
One minor issue would be that the engine and radiator will warm up considerably throughout the day. IF your rig is uncomfortable for sleeping with a hot engine -well, you could always leave on the A/C!!

T1 Terry wrote:

Dot wrote:R U serious??

That was a bit too complicated to make up as a joke I'm quite serious, you want to be the test pilot for my idea?

supersparky wrote:

T1 Terry wrote:

Dot wrote:R U serious??

That was a bit too complicated to make up as a joke I'm quite serious, you want to be the test pilot for my idea?

One of the Rheem domestic elec HWS worked on exactly that principle. Always were outside with the fan pointed to the prevailing wind. Sort of like a close coupled evaporator/condensor.

BruceS wrote:Dot there's been a lot of chatter recently about Air Command selling out as well as how power hungry & noisy their units are.
Grab an inverter domestic split one. Panasonic make one I'm VERY interested in for the boat.
Has a plastic guard on the outside unit rather than painted steel that rusts in 6 months!

Mrcoolabah1au wrote:The things we got to put up with