Cool Only Air Conditioner

Submitted: Wednesday, Jan 30, 2019 at 15:23
ThreadID: 137737 Views:962 Replies:6 FollowUps:2
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Dear Forumites,

Is there anyone out there that is aware of a cool only rooftop airconditioner for caravans?

My caravan is fitted with a diesel heater in it. I would like to fit an airconditioner (we currently have fans only for now), but hate the thought of paying for a reverse cycle unit knowing that I will not use the heating feature.

With the increasing popularity of diesel\gas heaters, I would have thought cool only airconditioners would become available on the market.



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Reply By: MarkHugh - Wednesday, Jan 30, 2019 at 18:11

Wednesday, Jan 30, 2019 at 18:11
Hi Catmandoo,

A cool-only airconditioner might compliment a diesel heater, as you suggest. However we have a diesel heater (nice) plus a reverse-cycle a/c (also nice). The diesel can heat from below freezing temps whereas most a/cs need about 6 to 7 degrees ambient before they will be happy to operate in heater mode. BUT the a/c can dehumidify and, when we have had a wet spell and clothes etc. are damp, the a/c wins hands down in the heating stakes, drying things and is the favoured unit. Of course, unless you have a huge battery/inverter capacity, a/c needs 240 v, whereas the diesel only needs a modest 12 v source (plus the diesel of course). Both are a little noisy and capable of upsetting close neighbours. The diesel can smell just a little. Is the price so different to make the cool-only worthwhile?

Just my thoughts,
Mark
AnswerID: 623533

Follow Up By: catmandoo - Friday, Feb 01, 2019 at 12:51

Friday, Feb 01, 2019 at 12:51
Thanks for the response MarkHugh.

I agree with your comments, it just seems a shame to have to pay for a feature that I would rarely if ever use.

Regards

Greg
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FollowupID: 896790

Reply By: Peter_n_Margaret - Wednesday, Jan 30, 2019 at 19:28

Wednesday, Jan 30, 2019 at 19:28
Many RVers are favouring small inverter splits systems instead of roof top units. Typically they are cheaper, quieter and more efficient.
Cheers,
Peter
OKA196 motorhome
AnswerID: 623534

Follow Up By: catmandoo - Friday, Feb 01, 2019 at 12:52

Friday, Feb 01, 2019 at 12:52
Thanks Peter,

Yes, I too have considered this option and still haven't ruled it out.

Regards

Greg
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FollowupID: 896791

Reply By: Dean K3 - Wednesday, Jan 30, 2019 at 20:07

Wednesday, Jan 30, 2019 at 20:07
out of box thinking.

ice pak used on prime movers but damn noisy esp outside the cab.

alternative possibly more evaporate style evercool.

see a bloke at the caravan camping store uses a bucket full of cool water/ice slush has a little fan powered by either 12v or mains power and certainly cools a small space down.
AnswerID: 623537

Reply By: Gbc.. - Thursday, Jan 31, 2019 at 10:18

Thursday, Jan 31, 2019 at 10:18
There are a number of brands which use the compressor to cool only, and the heating portion is a simple element which you do not need to use, as opposed to a true reverse cycle unit.
I have no experience with them, but apparently the reverse cycle RV heating units can be problematic when the temps plummet a bit? Not something this QLD-er has to worry about too often.
AnswerID: 623549

Reply By: Motherhen - Sunday, Feb 03, 2019 at 23:46

Sunday, Feb 03, 2019 at 23:46
Our 20 + year old Dometic caravan air conditioner is cool only, plus and element to use as a fan heater. I have never used the latter. A small fan heater on the floor is far more efficient at heating.
Motherhen

Red desert dreaming

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AnswerID: 623621

Reply By: Member - Geoffrey E (WA) - Tuesday, Mar 05, 2019 at 16:38

Tuesday, Mar 05, 2019 at 16:38
Not roof top,but how about one of these Close Comfort AC

Very low power draw of 300w.
AnswerID: 624226

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