RV Refrigerator Efficiency 101

RV refrigerators, for the most part, are efficient. Inobstruct the burner assembly. When this happens it
many cases it is something the owner does thatwill be necessary to clean the flue and the burner
makes the refrigerator less efficient.assembly. Turn the refrigerator off again and locate
There are several things we can do to help thethe burner. Directly above the burner is the flue. The
refrigerator do its job more efficiently. First andbaffle is inside the flue. Wear a pair of safety glasses
foremost the RV must be fairly level for theand use an air compressor to blow air up into the
refrigerator to operate properly. Older RVflue. After the flue is clean use the compressed air to
refrigerators required more precise leveling, but evenremove any debris from the outside refrigerator
the newer models need to be close to level forcompartment. Now, turn the refrigerator on in the LP
optimum performance. Over time a cooling unitgas mode to make sure it is working properly. Look
operated out of level will be permanently damaged.for the bright blue flame. For a thorough cleaning of
Traveling with the refrigerator on will not causethe flue and baffle it will be necessary to have your
problems because the liquids and gases in the coolingRV dealer do it for you. While it's there have them to
unit are constantly moving around. They don't collectdo an LP gas pressure test too.
and stay in areas of the cooling unit like they can in aAnother good idea is to install a 12 volt,
stationary, out of level refrigerator.thermostatically controlled refrigerator vent fan at
The initial cool down process can take four to sixthe back of the refrigerator, or at the top of the
hours. You should turn the refrigerator on the dayroof vent, to assist with drafting the hot air away
before you plan to leave, and before you put anyfrom the refrigerator. If you are mechanically inclined
food in it. When you do load the refrigerator thethese fans are fairly easy to install, or you can have
food you put in should already be cold, and the foodyour RV dealer install one for you. Either way it's
put in the freezer should already be frozen. Puttingworth it. The fan removes the heat built up behind
cold food in the refrigerator, rather than adding warmthe refrigerator improving the refrigerators
food, lets the refrigerator work less to cool down.performance by up to 40%.
One common mistake made is to over pack theThe outside temperature also affects the operation
refrigerator. There has to be space between theand efficiency of your RV refrigerator. When it's cold
foods to allow for air to circulate throughout theout you can lower the temperature setting and when
compartment. In most situations you will have accessit's hot out you can raise the setting. Some
to a store where you can buy food. A two to threerefrigerators are preset by the manufacturer.
day supply should be enough.Extremely hot weather will directly affect the
To assist with air circulation you can purchase anrefrigerators efficiency. When it's really hot outside
inexpensive, battery operated refrigerator fan. Puttry parking your RV with the side the refrigerator is
the batteries in and place the fan in the front of theon in the shade. Periodically inspect and clean the
refrigerator compartment blowing up. Cold air dropsrefrigerator door gaskets. Check them for a good
and warm air rises. The fan will improve theseal. Place a dollar bill behind the seal and close the
efficiency by circulating the air and it will reduce thedoor. It should stay there and not drop. When you
initial cool down time by 50%.try to pull it out there should be some resistance felt.
The heat created by the cooling process is ventedDo this in several different places and have any
behind the refrigerator. Air enters through the outsidedamaged seals replaced.
lower refrigerator vent and helps to draft the hot airTry to limit the amount of times you open the
out through the roof vent. Periodically inspect therefrigerator or freezer doors and the length of time
back of the refrigerator and the roof vent for anyyou leave the doors open. Every time the door is
obstructions like bird nests, leaves or other debrisopened it loses a few degrees of heat. On a hot
that might prevent the heat from escaping.summer day it won't take long to lose all of its
To keep the refrigerator operating efficiently in thecooling capacity. Last but not least you should always
LP gas mode there is some routine maintenance youhave a thermostat in the food compartment. Food
can perform. Remove the outside lower vent coverwill begin to spoil at temperatures above 40 degrees.
to access the back of the refrigerator. With theRV absorption refrigerators do a great job for RVers.
refrigerator turned off ensure all connections areThey will do an even better job, and last longer, if
clean and tight. Turn the refrigerator on in the LP gaswe apply these simple tips to make their job easier
mode and a look at the flame. If the flame is burningand less demanding.
poorly, a yellow colored flame, or if the refrigeratorHappy Camping,
isn't operating properly in the gas mode it's possibleMark
that the baffle inside the flue is covered with soot.Copyright 2006 by Mark J.
Soot, rust and other debris can fall down and