Reply
 
Thread Tools Search this Thread Display Modes
 
Old 03-09-2015, 02:59 PM   #1
1 Rivet Member
 
2015 Interstate Ext. Coach
Boise , Idaho
Join Date: Mar 2015
Posts: 6
Power consumption for a refrigerator

We just purchased a 2015 Airstream Class B. We boondock a great deal so I will be using battery power a great deal. I am curious about how much power the refrigerator will consume. We do have a solar panel as well as the generator.
__________________

__________________
Dbones is offline   Reply With Quote
Old 03-09-2015, 03:33 PM   #2
Figment of My Imagination
 
Protagonist's Avatar
 
2012 Interstate Coach
From All Over , More Than Anywhere Else
Join Date: Dec 2011
Posts: 10,316
My experience is this:
If you're running the fridge in 12v mode (inverter either off or in "charge only" mode) AND you've got a sunny day, the solar panel will keep up with the drain from the fridge. Running the fridge in 120v mode through the inverter, OR cloudy/rainy days that reduce the effectiveness of the panel, you'll lose about 5% to 10% charge per day. You'd be surprised at how much power the inverter/charger uses just to run itself.

I consider the stock solar panel as a means of keeping the house batteries charged in storage, not so much as a means of extending your boondocking duration. For boondocking you might want to consider upgrading to a larger solar panel and/or adding a second panel.

Don't be afraid to run your generator, though. You need to run the generator every so often to keep it in good working order anyway, so setting aside an hour to run the generator every couple of days does no harm except to your on-board propane supply. Besides, you need to start the generator while the house batteries still have enough power TO start the generator! Run the batteries down too far and the generator won't start.

Besides, in summer it may be more advantageous to park in the shade to keep the van from getting uncomfortably hot, in which case the rooftop solar panel can't help you.
__________________

__________________
WBCCI #1105
TAC LA-4

My Google-Fu is strong today.
Protagonist is offline   Reply With Quote
Old 03-09-2015, 04:13 PM   #3
Rivet Master
 
HowieE's Avatar
 
1991 34' Excella
Princeton , New Jersey
Join Date: Aug 2003
Posts: 6,813
Images: 12
If you are not plugged into shore power your frig will run on gas. The amount of electrical power, 12 volt, used in this mode is too small to measure or worry about.

Your usage of lights would have a far greater draw on the batteries than the frig
__________________
WBCCI 12156 AIR 3144 WACHUNG TAC NJ6
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

HowieE is offline   Reply With Quote
Old 03-09-2015, 04:17 PM   #4
Figment of My Imagination
 
Protagonist's Avatar
 
2012 Interstate Coach
From All Over , More Than Anywhere Else
Join Date: Dec 2011
Posts: 10,316
Quote:
Originally Posted by HowieE View Post
If you are not plugged into shore power your frig will run on gas. The amount of electrical power, 12 volt, used in this mode is too small to measure or worry about.
The OP has a 2015 Airstream Interstate with a Nova Kool refrigerator. It does not run on propane, only on 12vDC or 120vAC.
__________________
WBCCI #1105
TAC LA-4

My Google-Fu is strong today.
Protagonist is offline   Reply With Quote
Old 03-09-2015, 04:31 PM   #5
Rivet Master
 
HowieE's Avatar
 
1991 34' Excella
Princeton , New Jersey
Join Date: Aug 2003
Posts: 6,813
Images: 12
"NEVER MIND"

I do have to ask though. Why would they make such a thing?
__________________
WBCCI 12156 AIR 3144 WACHUNG TAC NJ6
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

HowieE is offline   Reply With Quote
Old 03-09-2015, 04:35 PM   #6
Figment of My Imagination
 
Protagonist's Avatar
 
2012 Interstate Coach
From All Over , More Than Anywhere Else
Join Date: Dec 2011
Posts: 10,316
Quote:
Originally Posted by HowieE View Post
"NEVER MIND"

I do have to ask though. Why would they make such a thing?
Dunno.
__________________
WBCCI #1105
TAC LA-4

My Google-Fu is strong today.
Protagonist is offline   Reply With Quote
Old 03-09-2015, 04:42 PM   #7
Rivet Master
 
wkerfoot's Avatar
 
1979 23' Safari
1954 29' Liner
Orange , California
Join Date: Feb 2005
Posts: 3,667
Howie,

For those who do not what to cut holes in the side or roof for venting, for those who can utilize the up to 30 degrees off level that the Danfoss compressor can run, for those who want to have the refrigerator running while traveling down the road without the propane on and probably several other reasons that I cannot think of right now.

Bill

Quote:
Originally Posted by HowieE View Post
"NEVER MIND"

I do have to ask though. Why would they make such a thing?
__________________
Bill Kerfoot, WBCCI/VAC/CAC/El Camino Real Unit #5223
Just my personal opinion
1973 Dodge W200 PowerWagon, 1977 Lincoln Continental, 2014 Dodge Durango
1979 23' Safari, and 1954 29' Double Door Liner Orange, CA

http://billbethsblog.blogspot.com/
wkerfoot is online now   Reply With Quote
Old 03-09-2015, 07:06 PM   #8
Rivet Master
 
HowieE's Avatar
 
1991 34' Excella
Princeton , New Jersey
Join Date: Aug 2003
Posts: 6,813
Images: 12
Yes. Thinking back I do know someone that installed that type frig in there trailer. I just did not realize the name when I first read it and did not know they were offered in new units.

His claim was the operating wattage was extremely low, almost beyond belief.

Maybe someone will post the specs.
__________________
WBCCI 12156 AIR 3144 WACHUNG TAC NJ6
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

HowieE is offline   Reply With Quote
Old 03-09-2015, 09:17 PM   #9
Rivet Master
 
wkerfoot's Avatar
 
1979 23' Safari
1954 29' Liner
Orange , California
Join Date: Feb 2005
Posts: 3,667
Howie,

I installed a 9 CF unit in our Liner. The claimed electric draw is 2.8 A.

Bill

Quote:
Originally Posted by HowieE View Post
Yes. Thinking back I do know someone that installed that type frig in there trailer. I just did not realize the name when I first read it and did not know they were offered in new units.

His claim was the operating wattage was extremely low, almost beyond belief.

Maybe someone will post the specs.
__________________
Bill Kerfoot, WBCCI/VAC/CAC/El Camino Real Unit #5223
Just my personal opinion
1973 Dodge W200 PowerWagon, 1977 Lincoln Continental, 2014 Dodge Durango
1979 23' Safari, and 1954 29' Double Door Liner Orange, CA

http://billbethsblog.blogspot.com/
wkerfoot is online now   Reply With Quote
Old 03-09-2015, 11:35 PM   #10
Rivet Master
 
J. Morgan's Avatar

 
1972 31' Sovereign
1975 31' Excella 500
Currently Looking...
Benton , Arkansas
Join Date: Mar 2013
Posts: 5,046
Images: 11
Power consumption for a refrigerator

My 10.1 residential fridge draws about 8 amps 12V DC through the inverter. (When the compressor is running)

.Click image for larger version

Name:	ImageUploadedByAirstream Forums1425962099.880123.jpg
Views:	72
Size:	246.4 KB
ID:	233968


1/2 Ton 4WD Truck, 72 Sovereign Hensley Arrow
__________________

__________________
The fact that I am opinionated does not presuppose that I am wrong......

J. Morgan is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Power consumption of various 12 volt items guy99 Batteries, Univolts, Converters & Inverters 19 10-18-2008 07:07 PM
Consumption Estimates campadk Electrical - Systems, Generators, Batteries & Solar 8 02-03-2007 10:54 AM
Poll: FUEL CONSUMPTION brunoffrance On The Road... 32 02-29-2004 05:37 PM
LP consumption by the furnace? ipso_facto Furnaces, Heaters, Fireplaces & Air Conditioning 18 12-10-2003 11:43 AM
Fuel Consumption: (curious) Drew Tow Vehicles 15 12-26-2002 07:28 PM


Virginia Campgrounds

Reviews provided by




Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 08:34 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.

Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.