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Propane Gas Refrigerartors and off grid appliances
Propane Refrigerators and off grid appliances
 

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Propane gas fridge history

Comparisons of Propane Refrigerators

Advantages of a Propane Refrigerator | History of Propane Refrigerators | Function of Propane Refrigerators

Compare Propane Refrigerators

When doing propane fridge comparisons, in times past, the SERVEL built in the 1930's -1950's lasted for generations due to the fact that their design was made with the intent to last a long time. In later times, the refrigeration units have become more streamline with less heavy duty materials for lighter weight and still have quality performance. An average propane gas refrigerator today will last approx. 15 yrs. By that time the box will be looking quite tattered under normal use.the old servel gas fridge


The older style SERVELS were much heavier in weight than the newer style ammonia cooling systems are. These older units weighed as much as 400- 500 lbs. The newer refrigerators weight anywhere from 150-275 lbs. This again is due to lighter materials and higher quality workmanship. There is also a larger amount of selection available on the market to choose from today compared to 50 years ago.

When SERVEL in Evansville, IN sold out the business to ELECTROLUX, ELECTROLUX then sold it to DOMETIC Corp. in Sweden. The SERVEL name was still being used by DOMETIC until 2005. This refrigerator is now called a DOMETIC refrigerator which is still being produced by DOMETIC.

Some of the newer propane refrigerators for backwoods and off the grid living that are on the market today are ; DIAMOND, EZ-FREEZE, DOMETIC, CONSUL, and DANBY. These are all ammonia absorption systems that run off of either, propane, natural gas, or butane burners. The DOMETIC refrigerator is the only one that is still available with kerosene

The CONSUL and DANBY refrigerators are manufactured in BRAZIL S.A. Both made by the same company.

The DIAMOND and EZ-FREEZE refrigerators are manufactured in the USA. by separate independent companies.

 

.Consul danby gas fridge

As was mentioned before, an average absorption cooling unit today runs for 10-15 years. The cause of this difference in length of performance compared to the older style SERVELS is based on 1 primary thing. When SERVEL built those huge old refrigerators, the materials used on the cooling units was so much heavier and thicker, thus adding all the extra weight, that they hardly ever rusted out. The evaporator also was galvanized to prevent rusting. Rusting is a primary cause for leakage in the cooling units itself.

There are times in hard, heavy use that an ammonia absorption refrigerator will block up in the boiler section [perk tube] in 5-10 years. When this happens, the refrigerator can be recharged again. This is done by first removing the ammonia solution and then removing the blockage in the perk tube. When the unit is repaired and welded together, the unit is recharged again with new solution.

 

 

 

.modern ez freeze gas fridge


EFFICIENCY

The gas consumption on a “modern day” gas refrigerator is less than half the amount than an older SERVEL is due to the designing of this cooling system. An average amount of propane used in the older SERVELS was 3-4 lbs. a day. This is approx. ¾ gal. of propane a day. The average amount that the newer style propane refrigerators use is 1 – 1 ½ lbs. a day, an approx. amount in volume @ gal. is 1/3 gal. per day.

The amount of improvements that have been made in the newer style refrigerators [built from the mid 1970's - today] by improved performance in gas usage is credited wholly to the improved engineering on absorption cooling systems

 

VENTING

The older SERVELS with their larger burners have been noted to burn much more dirty than the modern day refrigerators do. Since the modern-day propane refrigerators use only ½ the amount of fuel to operate, they are also noted to burn much cleaner. These unburned gas fumes are what they call carbon monoxide [CO]gas. When too much of this gas is emitted into a room, it will create CO poisoning if this level of CO is too high.

The older SERVELS built in the 1930's – 1950's were noted to emit up to 1500 parts per million [PPM] of CO gas fumes at the exhaust vent. If this would be emitted into a room 10'-20', it would emit approx. 300-400 PPM of CO into the building [this amount varies depending on the size of the room]. This amount of CO is in a danger zone for exposure. It is highly recommended to vent an older SERVEL because of this high level of CO emission. This is due mostly because of the the design of the burner setup. The older SERVELS are not legal to operate in CANADA and are discouraged to be used by the USA. The government of United States has set up a system to reclaim these SERVEL refrigerators by paying the owner $100 + disposal costs just to get them off of the market. Many people loved the longevity of these refrigerators that have been used for 70 some years and find it hard to part with these units and therefore, creating more hazard for themselves. This is why the government wants to omit these refrigerators. Any older style SERVEL refrigerators that are still in use today can be disposed by calling, SERVEL ACTION COMMITTEE at 1-800-782-7431.

Any propane refrigerator built in the 1980's until current are much cleaner to operate. On the average, these refrigerators will omit 20-30 PPM of CO at the exhaust vent tube, which omits approx. .001 PPM of CO in a room. The allowable amount of PPM of CO permitted in a living area is 50 PPM . At this amount of CO in any given area , no one should ever need to worry about CO poisoning with a modern day propane refrigerator.

A propane refrigerator does not generally need to be vented to the outside.

If a homeowner is to box in his propane refrigerator in a kitchen with cabinets built over the top of the refrigerator and around the sides, it is always important to put a vent in the floor towards the back of the refrigerator and on the top of the refrigerator for ventilation so that heat can escape from the cooling system . If this is not done , a refrigerator will overheat, thus causing it to loose efficiency in cooling. Read more....

 

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"I can't praise Mike enough for going above and beyond in helping me with a thermostat issue for a propane refrigerator. There comes a point where most people would shrug..." read more
- Will Forest
 
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"Fast, knowledgeable and they know their product. ..." read more
- Eric Schwennesen
 
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"This is my second purchase and these Dynamx guys have always done right by me: lots of help and personal service. Very friendly and helpful...." read more
- Beverly
 
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"Knew the answers to all my questions. Helpful, knowledgable, and made me feel like they were concerned. ..." read more
- Jim de Boer
 
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"Fast reliable service very helpful and knowledgeable. Even with the slightest problem they're right there to help. They sell products that they know perform exceptionally well. Thanks Guys!!!!..." read more
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"The customer service is great. The shipping company a little unyeilding, but we live in the sticks, so I get it...." read more
- Lynne Toepfer
 
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"Great phone service, delivery, and equipment. ..." read more
- KURT
 
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"I was so impressed with the customer service of this company that is why I purchased one of the refrigerators that they sell the frig is everything they had said..." read more
- Linda Sheridan
 
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"excellent performance..." read more
- david reed
 
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"We received our refrigerator in less then 2 weeks. Everything was in perfect shape. It's very easy to set up and so much room inside. The customer service at the..." read more
- Shirley black
 
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"I was happy to find a ref close to me out here on the west coast, and have it delivered so quickly. It was nice working with mike. I wish..." read more
- ABE
 
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"Fridge was ordered it was early than expected. Gentleman was very patient with questions and issues with transaction. Fridge is great parent couldn't be happier! Thanks..." read more
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"I purchased ez-frig for our camp site and it works excellent. Very inexpensive to run and looks great besides. A lot of good comments from our guest. Thanks Larry F..." read more
- Larry
 
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"Purchased the item online after a call to their customer service. Very knowledgeable, answered all my questions clearly and provided information I did not know I needed. Shipping..." read more
- Terry Little
 
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"Great service. Fridge arrived quickly. Lots of help offered by owner to adjust a thermostat setting. ..." read more
- Joe
 
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" Picked up my EZ-19 refrigerator yesterday. Came in without a scratch or ding. Already have it hooked up, running and full of food...." read more
- LEONARD
 
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"Great place to shop for items you need. Good selection and a great selection of items that are harder to find. I have purchased two items from here and both times..." read more
- James
 
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"Great people to work with. Had an issue with delivery and they handled it perfectly. Thanks Mike...." read more
- Rob Long
 
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"Love this company. We don't live in the area so we couldn't pickup our appliances during normal company hours. Arrangements were made to be open early on a..." read more
- Mary Tyer
 
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"Best customer service ever... always can be a challenge doing business via website and phone but these guys rock... now we have a sweet fridge at the shack, thanks guys!..." read more
- team Piranha X
 
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"Thank you for being so knowledgeable on so many parts of off-grid living. You make buying your products quick and easy!..." read more
- Jonpaul
 
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"I am very pleased with my product, I would recommend this company....." read more
- Valorie faught
 
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- Doug
 
Dynamx inc 5 out of 5 based on 24 ratings.
Welcome to Warehouse Appliance - Your source for propane refrigerators and gas freezers
5 out of 5 stars I can't praise Mike enough for going above and beyond in helping me with a thermostat issue for a propane refrigerator. There comes a point where most people would shrug their shoulders, but Mike kept on AND responded to my questions promptly. Most propane appliances are priced within just a few dollars of each other. When you need service and help, especially if you live off grid, where a service call would be wicked expensive, that's when who you buy it from really counts. Mike was beyond outstanding; I live in Vermont, he's in Arizona, and we figured this out via email. I can't recommend him enough. Anyone is welcome to contact me directly about my experience. I don't have the time to troll or be a shill. I only write these when they really matter. It's a small payback for the help Mike gave me. Will Forest Montpelier, Vermont
Welcome to Warehouse Appliance - Your source for propane refrigerators and gas freezers
5 out of 5 stars Fast, knowledgeable and they know their product.
Welcome to Warehouse Appliance - Your source for propane refrigerators and gas freezers
5 out of 5 stars This is my second purchase and these Dynamx guys have always done right by me: lots of help and personal service. Very friendly and helpful.
Welcome to Warehouse Appliance - Your source for propane refrigerators and gas freezers
5 out of 5 stars Knew the answers to all my questions. Helpful, knowledgable, and made me feel like they were concerned.