Truck Conversion & Toterhome Community - View Single Post - Upgrade from 13.5k air conditioner to 15k

Mntom · 07-05-2015, 08:43 PM

A pressure tap can be added quite easily to check the refrigerant, but chances are there is no need. If it had a leak it would probably be near empty by now. The larger AC unit will do quite a bit more to cool things down since it is just over one ton more cooling (a ton of cooling is 12,000 btus). The only problem I can see is it might be tough to get enough airflow across the evaporator. To little air flow and it will frost up and you will loose the cooling. I have that problem with my 13.5k btu unit. I need to keep the 'fast cool' shutters open just a little. My trailer only has 6 3" outlets in the ductwork.

07-05-2015, 08:43 PM	#5
Mntom Senior Member Join Date: Oct 2014 Location: Where my trailer is sitting! Posts: 251	A pressure tap can be added quite easily to check the refrigerant, but chances are there is no need. If it had a leak it would probably be near empty by now. The larger AC unit will do quite a bit more to cool things down since it is just over one ton more cooling (a ton of cooling is 12,000 btus). The only problem I can see is it might be tough to get enough airflow across the evaporator. To little air flow and it will frost up and you will loose the cooling. I have that problem with my 13.5k btu unit. I need to keep the 'fast cool' shutters open just a little. My trailer only has 6 3" outlets in the ductwork. __________________ For now 1996 Dodge Ram 5.9 Cummins 365HP 830TQ pulling a 2006 28' Dutchmen Fifthwheel and at times a 16' boat behind that!