Gas Fridge discusses the benefits of using a Propane Refrigerator.

So your thinking of buying that dream property that has acres and acres of space for you to play on.  No neighbors, noise or traffic to worry about.  You can build your dream home exactly the way you’ve always wanted. 

There is only one problem.  Because your property is so far out and away from the local town, you are not going to be able to access the power grid.  What are you going to do about power?  How are you going to keep your food cold?  You can’t possibly run to the grocery store daily.

Gas Fridge has the answer.  Propane Refrigerators.  Gas Fridge discusses some of the benefits of using a propane refrigerator:


•    Totally off grid design.

•    Low on maintenance.

•    Completely silent.

•    Clean Energy.

•    Readily available power source.

•    Won’t lose power in a storm.

•    Will save you money.


Gas Fridge has many styles to choose from.  Please visit us at http://www.gas-fridge.com.  You can also call with questions at 928-636-6674.  Let Gas Fridge assist you in making a great decision with your propane refrigerator choice.

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Excerpt from: "The History of Gas Refrigerators and How Gas Refrigeration Works"

What is the history of the absorption refrigeration system?

HISTORY - The ammonia refrigeration cooling system which is also known as an absorption cooling system was first discovered in 1824 by Micheal Faraday who tried to liquefy gases which, among them was an ammonia gas. This experiment was used in taking ammonia vapor in a glass tube with silver chloride in it and allowing it to absorb in the silver chloride powder. He then heated the chloride -ammonia mixture and watched the ammonia liquid evaporate out of the silver chloride and become cold. This experiment later was the birth of the ammonia absorption cooling systems [HEREAFTER CALLED PROPANE REFRIGERATORS].

In 1926 Albert Einstein and a former student, Leo Szilard, embarked on a venture to develop a safer refrigerator since the electric refrigerators of the time were known to leak toxic gases through broken seals. Such an incident of a German family killed by fumes caught the attention of Einstein and sparked this project. Einstein insisted that a better refrigerator design must be possible.

Their goal was to design a device with no moving parts or mechanical motion and eliminate the wear and tear factor. They used their knowledge of thermodynamics to produce an absorption refrigerator. This device would drive a combination of safer gases and liquids through three interconnected circuits. It required only a small gas flame as a heat source and was totally sealed and safe. Some experts estimate the sealed system could last 100 years.

Einstein and Szilard applied for and received 45 patents in 6 countries for this type of refrigeration technology. None of their inventions ever reached customers. The introduction of the less-toxic coolant freon and better judgment kept Einstein and Szilard from continuing the project.

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The Natural Gas Refrigerator

Do you have a natural gas well on your property? Is electricity overly expensive? Are you tired of the annoying noise the compressor and fan on your electric refrigerator produces? Are you EMF intolerant? If you answer yes to any of these questions, then a natural gas refrigerator may be just the thing you need.  This technology has been around for nearly 100 years and was very common in households during the 1950’s. It has since faded from the household due to the abundance of electricity, but has continued to be the system used in Recreation Vehicles. Read more – click here.

Considering that an electric refrigerator is the largest energy hog within a normal household, using a natural gas refrigerator can save you hundreds of dollars per year. Some properties include a natural gas well and for those lucky enough to own one, a natural gas refrigerator is the best way to go since it would cost nothing to operate. Other households are experiencing sky rocketing electricity prices. Eliminating the electric refrigerator is the single appliance that can lower your electricity cost the most. Compare your electricity rate of 1800 watts per day to the cost of a natural gas refrigerator consumption of 1200 BTU per hour of gas usage.

The noise of an electric refrigerator fan and compressor  can be quite annoying and for those that are Electro Magnetic Field intolerant, a gas refrigerator can be a great relief. There are no moving parts on a gas fridge which translates into silent operation in addition to less maintenance and no parts to break down. These units are completely non electric. The refrigeration is produced by an absorption system that uses heat, pressure, and gravity to create the movement of the refrigerant. The EZ Freeze brand gas refrigerator includes no motors, compressors, fans, or circuit boards. The EZ Freeze brand is made specific for household use whereas the RV refrigerator models are not. Even though some people elect to use these RV models in the house, they do require electricity to operate them  from gas and incorporate circuit boards, electronic igniters, and solenoids.

Gas refrigerators operate from either natural gas or propane gas and can be easily converted to one or the other with the change of only a couple parts. Usually taking only a few minutes for the conversion. The big difference in these two types of gas is in how the gas arrives to the refrigerator. Natural gas is generally piped in from an off property source such as a local gas company through their own metering system. Some lucky few do have natural gas wells on their properties without outside metering. This source requires a constant flow from the supplier or well. Propane is a liquid gas that is stored in tanks and is generally trucked and pumped into a storage tank located on the property. In this case the energy is “stored” and can be used full time or just in case of emergencies or natural disasters.

Too some a natural gas refrigerator can be a great alternative and to others it can be necessary for survival.

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 Gas Refrigerators and Off -Grid Living

Gas Fridge Replacement Parts: What you should have in case of an emergency

Gas refrigerators are designed to operate without electricity. For this reason, they are perfect for off grid living, therefore most of the propane refrigerators that we sell end up in remote locations. Within these remote off grid locations, surviving without the conveniences of the big city stores to acquire a replacement part 24/7 is not a possibility. The more experienced off grid survivalist will be prepared for failures. Even some of our customers that purchase a gas fridge just for vacation purposes will want to be prepared for something to go wrong.

“What spare parts do I need in case something goes wrong with my Gas Refrigerator?”

We get this question from some of our customers and the answer is surprising. Only one part is prone to wear or degrade over time. That is the thermocouple. Since Gas Refrigerators don’t have moving parts, there is very little to go wrong or wear out. Of course there are some interior parts that can be abused and break, but this is subject to the user, not normal operating usage.

The thermocouple is one part of the gas safety valve system within all gas refrigerators. The thermocouple probe engulfed by the flame and detects the heat from the flame when it is on. If the flame gets extinguished for any reason, the probe senses the loss of heat and will shut off the gas supply to the burner. This insures that no raw un-burned gas is expelled into the living space.

The gas refrigerator thermocouple will degrade over time due to the heating and cooling of the flame. This is a natural occurrence and is common with any device using a thermocouple such as heaters and stoves. 

Debris passing through the burner will accelerate this wear rate of the thermocouple. Debris will enter the air intake of the burner and pass through the burner head at which point it will incinerate and turn to carbon. This carbon will attach itself to the thermocouple. Over time, the carbon will build up and cause uneven heat stress on the thermocouple probe. This will eventually cause premature failure of the thermocouple. At this point the thermocouple will need to be replaced.

This is why we give the suggestion to keep the area around and under your gas fridge clean of debris. This not only prolongs the life of your gas fridge, but also keeps the unit operating at the highest efficiency.

Replacement of the thermocouple is fairly easy and most anybody that is handy with a wrench can handle the job. We supply a “Set-up, Service, and Maintenance DVD” with each EZ Freeze Gas Refrigerator we sell. This DVD explains the set by step process for thermocouple replacement.

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What is Absorption refrigeration?

What are Gas powered refrigerators?

Air Circulation & Venting for Absorption Refrigeration

All propane refrigerators, whether they are the type in a recreational vehicle (RV) or the type made specifically for in home use, operate from the same process known as Absorption Refrigeration.


The theory of this process is simple, absorb the warm air from interior of the refrigeration box and replace it to the exterior thus making the interior cold. While the theory is simple, the process is a little more complex. To understand the process in simple terms we can explain it as follows; The heat of the flame boils the ammonia and water solution to turn it into a pure ammonia liquid state at the point of the condenser. During this process, the absorption system pumps the solution to the top of the unit. At this point the pure ammonia liquid flows via gravity downward through the freezer compartment and then the refrigerator compartment all the while absorbing the warmer air of the interior. Once it reaches the point of full saturation, the pure ammonia liquid now exits the insulated interior to the non-insulated exterior where it begins the mixing process with the water. At this point it dissipates the heat that it has absorbed through the absorber coils to the exterior air. See more information on the Absorption Refrigeration System.

At the point of the condenser and the area of the absorber coils, air circulation is critical for maximum performance and efficiency of the unit. If air circulation is limited in these areas, not only will short term performance suffer, but long term permanent damage may occur.


In order to allow for proper air circulation and allow the absorption unit to breathe, there are only a few rules to follow when designing the gas refrigerator space. In most cases, fans or special ducting is not needed. Allowing for ample clearance around the unit is usually enough to allow proper air circulation.


One of the most common questions we get asked is “What are the clearance minimums for a propane refrigerator?”  Although there is not one answer for this question due to the variety of environments and usage cycles for any given family, we can give best practice estimations of 8” above,  1” on the sides, and 1” on the back.


We realize that all kitchens spaces are not created equal. Below we will try to describe the most common kitchen arrangements and the best venting applications for each.

Absorption Refrigeration Venting Examples

Figure 1 – Best case
We describe this as best case since there are no structures (cabinets, shelves, sofits, etc…)  above  to obstruct the heat from rising out from the rear of the unit and also with at least one side being completely open, there is no need for further ventilation. Note - For hotter and more humid climates, an air intake at or near the floor level combined with an vent from the burner exhaust of the fridge to the outside may be added to aid in this climate type. 

Figure 2 – Limited top vent
A limited air escape at the top rear of the unit must be addressed with a vent to allow the hot air to rise up and escape. Trapping the hot air behind the unit will cause poor performance and long term damage. There are a number of different ways to allow the air escape. Depending on construction of your space will determine which method is best for you.

One method is to place a vent through the wall at the rear of the unit to the outside or another well ventilated room (not a bedroom). This vent must be placed at least to the level of the top of the refrigerator or higher. A vent with the area equal to 8” x 24” is adequate.

Another method is to allow the hot air to pass behind the upper cabinet or through the upper cabinet and escape to the ceiling area above or attic space above. This can be accomplished by relocating the cabinet forward 6 inches from the rear wall to create a passage way. Cutting holes in the cabinet floor and cabinet ceiling will also accomplish a passage way. Installing a false back inside the cabinet in order to keep objects from covering the holes is a good idea.

Since most of the heat that the fridge produces, comes from the burner exhaust, direct venting the burner exhaust will further aid promoting air circulation. 

Figure 3 – Boxed in. Worst case
The built-in type of construction is worst case scenario and is not recommended without proper ventilation. Some manufactures will void warranty for this type of install and no or limited venting. Rear floor vents and top exit vents as described above are both required in this case. A direct burner exhaust is also recommended.

We highly recommend “testing” the ventilation prior to using it long term. The testing process is simple. Operate the fridge in an open space near the final destination. Record the fridge and freezer interior temperatures as well as exterior ambient room temperatures for a period of a week at normal operating usage. Then install the fridge into the final space and proceed to measure the temperatures for the next week. Compare these temperatures to determine if the final destination space has adequate ventilation and air circulation. If interior temperatures stay the same and no thermostat adjustment is needed, then the final space is good. If not, then more air movement is needed.

Some owners have elected to use a small fan to circulate the air behind the gas refrigerator or freezer. These fans are available with DC/solar power sources.

More ventilation suggestions can be found on the EZ Freeze Refrigerator Manufacturer site.

Keep the absorption coils and fins clean from dirt and debris to allow for better heat transfer. Never set anything on top of the refrigerator the covers or partially covers the cooling fins, thereby restricting airflow through the fin area.

Venting the burner exhaust (flue pipe) directly outside or into the attic with similar plumbing as a water heater requires will rid the area of most of the heat the refrigerator produces. Metal type vent pipe from 1 ½” to 3” diameter works well. Hot water heater type venting is available at most hardware stores. Do not make a sealed connection between the fridge burner exhaust (flue pipe) and Vent Pipe connection. Simply hover the vent pipe over the flue pipe thus allowing for some cool air to draft in at this point in order to create a good flow and cool the exhausting air. Be sure to cap the vent at the exterior with a shield to prohibit air to back draft into the vent and blow out the burner flame.

The above are simply suggestions for proper air circulation. Other techniques may be used. Just remember that air circulation and venting are best practice for peak gas refrigerator performance as well as proper safety practices.

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Winterize Your Propane Refrigerator

We often get asked by our customers the question of “How to winterize my propane refrigerator?” Since most people understand that a propane fridge absorption system contains water as part of the solution, they assume that the system is subject to freezing in low winter temperatures. Do not fear, the absorption unit is sealed and pressurized and will not freeze due to this fact.


With that being said, there are still a few things you can do for your propane refrigerator to protect it from the weather or from just being unattended for long periods.


The first thing we suggest is to do a full defrost on the unit and completely dry the interior of both the freezer and refrigerator compartments. This will keep any standing water from freezing and breaking interior plastic parts. Remember to empty the water from the interior and exterior defrost trays. Towel-dry the interior. This will also help keep mold from forming.


Keep the doors open slightly. Do this to help prevent the mold forming. We suggest to keep the doors open with only a small piece of cardboard to prevent rodents or critters from getting inside.


Remove any contents such as soda cans that are subject to expansion when freezing. We suggest this anytime the fridge is unattended for long periods even if it continues to be “on”. Since gas refrigerators are highly subject to ambient temperatures, a lower ambient temperature can cause the refrigerator compartment interior to drop below freezing and freeze the interior items. We have seen soda cans explode with enough force to break interior shelves and drawers, not to mention the mess it creates.


Turn the propane system off. First turn the valve at the fridge off while the fridge is operating and let it burn the excess propane from the gas lines and controls. This helps keep spiders and insects from being attracted to the propane smell at the burner. Then turn the main valve at the tank off. This will eliminate the possibility of a small leak depleting your gas supply.


For climates that contain high salt content in the air such as beach homes, we suggest to wax the exterior finish using typical car wax. This will create a barrier and help prevent any possible corrosion.


Lastly, spray an insect repellant around the burner area to further prevent spiders and insects from nesting inside of the burner tube.  This will make your first day of next year’s vacation much more enjoyable.

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LP Gas Fridge by EZ Freeze

Propane refrigerators. Non-Electric. Gas Only!

EZ Freeze gas refrigerators are completely non-electric in operation and use either propane gas or natural gas to freeze and refrigerate foods. That statement is not exactly true, since the LED interior light does use 4 "D" cell type batteries for operation. But the important part does not require electricity or any power source other than gas to both start-up and continuously refrigerate. Simply hook up the gas line to the gas source and light the flame. The fridge will be cooling within the first hour and be completely cooled down in about 8 to 12 hours depending on the size capacity of the unit.


There are a few reasons why EZ Freeze chooses to go this route of completely non-electric as opposed to a dual power (gas or 110 volt AC) operation. The main reason is the fact that EZ Freeze was founded by and currently owned by the Amish. Why would being Amish have anything to do with the power operation of the refrigerators? Amish beliefs include being independent of others and living a simple lifestyle. Not being "plugged in" to the electric grid is a big part of the Amish independence. In a modern day Amish home you will find gas powered refrigerators, hand or gas engine powered clothes washers, and gas powered lighting.


The original development of the EZ Freeze brand was centered on supplying the Amish communities. And the largest gas powered refrigerators were born. From that point, their distribution has expanded to the non-Amish world and now is the most popular brand of propane powered refrigerators.


Another reason for the non-electric design is the simplicity. No circuit boards, solenoids, or motors to complicate the operation. The only moving part of an EZ Freeze gas refrigerator is the thermostat unless you count the water and ammonia solution moving through the absorption system. The solution moves via gravity and pressure. The flame boils the solution and the vapors rise to the top of the unit where they condense back to a liquid. From there it travels downhill with only gravity helping. No motors or pumps involved in the circulation of the fluids within the sealed absorption system.


Other brand gas refrigerators, particularly the recreational vehicle type units, do require electricity to operate on propane gas. The RV industry has gravitated toward the use of circuit boards and solenoids to control the refrigerator temperature and automatic switching devices from one power source to another. All these features have complicated the once simple unit and have dramatically increased repairs within the RV industry. For this reason, most of the home style gas refrigerator brands such as EZ Freeze have stayed away from these devices.


One current brand and some brands no longer in production have offered 110 volt AC capabilities. This addition allows for dual power operation. Operation from the 110 volt AC source is very inefficient. Here is why…. In order for the absorption system to operate, it uses a heat source such as the flame that continuously burns. During the 110 volt AC operation, this flame gets replaced by a 110 volt heater rod. A heater rod is just a heating element that gets red hot to replace the flame heat. This power draw on the electrical system is over twice as much as a standard brand name compressor type electric fridge. The only benefit to this would be for a back-up power source to the gas service if for some reason the gas supply ran out and then enough electricity could be generated to keep the food from spoiling.


The "Gas only" design is totally off grid, simple in design, low on maintenance, and completely silent. Don’t you wish everything was like this?

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