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Posted on Aug 29, 2010
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I have an old Kenmore 25,000 BTU Air Conditioner (Model number 253.7792580). Recently it started blowing air that is not really cool, it's actually room temp. It makes a slightly different sound when it is running. When we start the unit everything works fine briefly (it cools the air) and then the air temp blows warmer and warmer gradually. We have tried to fix this by leaving it off for 12 hours. We have also attempted to clean the unit (metal fins?) and it helped briefly but it is back to blowing warm.

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  • Kenmore Master 43,501 Answers
  • Posted on Aug 29, 2010
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Kenmore Master
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Hi,

Here is a tip about troubleshooting your air conditioner...
There are many things that can cause your air conditioner not to cool…

Air Conditioner Trouble - Review the Possibilities

heatman101

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Freon level is fine because it does cool when compressor is running. U might also want to check the start/run capacitor. That sucker starts the motor and keeps it running after the start. If the run section goes bad the motor will usually stop after it starts.
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Kenmore air conditioner

Kenmore Air Conditioners: Brand Reputation and Who Makes 'em?


According to the Sears archives, there never was an actual Kenmore, at least not a manufacturer by that name1. So how to explain the fact that one in five U.S. households owns an appliance with that brand name prominently displayed?
It goes back to 1927, when Sears first established the Kenmore brand for a washing machine. The idea caught on, and Sears ended up using the brand across the board (as recently as 1977 bringing out the Kenmore version of a refrigerator - made by Frigidaire, which is owned by Electrolux2). In an interesting flip-flop, the core brands of Sears: Craftsman, Kenmore and DieHard, first gained their reputations because they were sold by Sears; then, when Sears itself suffered a loss of market share, the brand names were separated out as having a value all their own.

In 2007, Sears "sold" their three killer brands to a shell company and then licensed the names back to Sears3. The point? Two, really. The first was to protect these valuable brands should Sears go bankrupt. The second was to generate revenue from the intellectual property. This is why Kenmore is sold at, for instance, K-Mart, even though the product name used to be reserved for Sears alone.
So who makes Kenmore AC?

Because the name is licensed by Sears, there are no set restrictions on who could make the products. Sears is free to purchase from whomever they like. According to Consumer Reports, the manufacturing arrangements change all the time4. Currently, Kenmore air conditioners are made by at least three different manufacturers for Sears: Whirlpool (Fedders), Electrolux (Frigidaire), Keeprite, LG and Friedrich.

The only way to actually tell is to look at the model number and decode it. Information on how to do so can be found here5.

Why does it matter? It matters because Kenmore air conditioners come at a premium. The brand name is leveraged, along with Sears reputation, into something consumers value as a better product. It also matters because one item under the Kenmore brand may be excellent, while another item (made by a different manufacturer) may have problems.

Savvy consumers will examine a Kenmore model number, determine the real manufacturer, and then investigate buying the item directly - sometimes at a substantial savings.
Products

The window air conditioners (sold at Sears and K-Mart) range in price from $100 to $600 dollars and have a good reputation. Most of these (at this writing!) are made by LG, a South Korean manufacturing group6 (the LG stands for "Lucky Goldstar"). They have a good reputation, but this may be one case where buying an extended warranty is advised. At this price range, consumers who seek a warranty fix are likely to get a new machine rather than just a repair. In either case, if a store-based warranty is offered, this should be considered (rather than a manufacturer's warranty).

For a single room, window installation, the Kenmore brands are not all energy star rated, but this is to be expected at the lower prices. The major complaint is shared among similar discount window units - noise. Proper installation will help avoid this problem.

All of the Kenmore air conditioners are window installations; however, they can be adapted to a through-wall configuration. Sizes range from their lowest priced ($100) unit, the 5,000 BTU model. This is rated to cool a 10 ft by 10ft space. At the opposite end of the spectrum is the 25,000 BTU, single room air conditioner, at about $600.
Kenmore Central AC

As mentioned above, the name Kenmore has a value. Consumers recognize it and generally think well of it. For this reason, Sears extended the use to a line of professionally installed central air conditioners. They also market under the Carrier nameplate.

These units come in standard sizes and use existing ductwork, either for cooling or heating. They are installed and serviced by technicians under contract with Sears. Reading some of the customer comments, this seems to be the main source of aggravation7. While consumers appreciate the 10-year warranty offered by Sears (in addition to manufacturer's warranty) they find getting good service a problem.

The reason for the failure in the repair and maintenance department seems to be a reflection on who Sears contracts with to do their installs and repairs. Because Sears doesn't have an in-house repair operation (they aren't a manufacturer and the volume doesn't justify it) they contract out to local businesses. This makes it essential for anyone purchasing a Kenmore central air system to not only evaluate the product, but look into whatever company will be installing and servicing the unit. It isn't possible to blame Sears across the whole nation for complaints due to local service technicians.

The best advice, gathered from the professional HVAC forums, is to choose your installer with as much (or more) care than the system installed. This is especially so because Sears is actually a middleman between several manufacturers and the consumer. Only an experienced HVAC technician will be able to see past the nameplate to the value underneath.

References:

1) http://www.searsarchives.com/brands/kenmore.htm

2) http://en.wikipedia.org/wiki/Frigidaire

3) http://www.businessweek.com/magazine/content/07_16/b4030071.htm

4) http://www.consumerreports.org/cro/appliances/news/who-actually-makes-all-those-appliances/overview/

5) http://www.appliance411.com/parts/sears.shtml

6) http://www.consumerreports.org/cro/appliances/heating-cooling-and-air/air-conditioners/air-conditioner-buying-advice/air-conditioner-brands/air-conditioner-brands.htm

7) http://www.furnacecompare.com/air-conditioners/sears/reviews/
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Hi,

Here is a tip about troubleshooting your air conditioner...
There are many things that can cause your air conditioner not to cool...

AirConditioner Trouble - Review the Possibilities

heatman101
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Trru the Wall Oversized

Drop in a Frigidaire 25,000 btu, 230-volt Electronic Control Air Conditioner (Model #FAS256R2A). It is Way More Cooling than you need, but it is a very efficient unit and will provide quiet, nearly instantaneous room temprature reduction! Width 26-1/2... Height 18-5/8... Wall Sleeve Included... about $450.
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