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#1
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Service life of a high-efficiency refrigerator?
My refrigerator is 36 years old. Still going strong, but
if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike |
#2
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Service life of a high-efficiency refrigerator?
On Sep 14, 6:41�pm, mike wrote:
My refrigerator is 36 years old. �Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a �new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. �Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. �If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike my high efficency fridge is 11 years old and going strong. |
#3
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Service life of a high-efficiency refrigerator?
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#4
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Service life of a high-efficiency refrigerator?
On Sep 14, 7:33�pm, Tony Hwang wrote:
wrote: On Sep 14, 6:41 pm, mike wrote: My refrigerator is 36 years old. Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike my high efficency fridge is 11 years old and going strong. Hi, Our is ~14 years old and never had any problem so far. Knock on the wood!- Hide quoted text - - Show quoted text - the first generation had all sorts of troubles with overheating blown compressors. today reability appears good. |
#5
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Service life of a high-efficiency refrigerator?
On Sep 14, 5:41*pm, mike wrote:
My refrigerator is 36 years old. *Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a *new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. *Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. *If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike Test yours will a kill-a-watt meter, my 19.5 cu ft sears costs about 4.75 a month, a 36 yr old unit maybe be 12-25 a month, nobodys electric rates are staying the same. |
#6
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Service life of a high-efficiency refrigerator?
On Sep 14, 9:00�pm, ransley wrote:
On Sep 14, 5:41�pm, mike wrote: My refrigerator is 36 years old. �Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a �new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. �Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. �If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike Test yours will a kill-a-watt meter, my 19.5 cu ft sears costs about 4.75 a month, a 36 yr old unit maybe be 12-25 a month, nobodys electric rates are staying the same.- Hide quoted text - - Show quoted text - well my 1952 fridge bought by my grasndparents was still going strong when replaced about 1997 when i got married. but it had a rusty case, no ice maker, and was generally plain old. our electric bill went down too. |
#7
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Service life of a high-efficiency refrigerator?
mike wrote:
My refrigerator is 36 years old. Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. If true, that negates all the savings. Likely all that means is that like most bigbox places he was leading you to whatever he was told to sell that day. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike |
#8
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Service life of a high-efficiency refrigerator?
Did you know that all new refrigerators sold in the US have only a one year
warranty on the compressor? That's not because they last longer, it's because, on average, the compressors last less than five years. Five years used to be the warranty standard until a few years ago. The manufacturers were going broke replacing compressors under the 5 year warranty. Our high end Jennair lasted 3 years. $ 600 to replace the compressor. -- Walter www.rationality.net - "mike" wrote in message ... My refrigerator is 36 years old. Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike |
#9
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Service life of a high-efficiency refrigerator?
mike wrote:
My refrigerator is 36 years old. Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike I saw a little dorm room refrigerator at Wal-Mart the other day that has no compressor. It's the first solid state refrigerator I've seen on the mass market that runs off regular line current. It uses a Peltier cooling device. The only moving part is the fan. It will be quite interesting to see if the technology is ever scaled up to the size of your typical kitchen refrigerator. [8~{} Uncle Monster |
#10
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Service life of a high-efficiency refrigerator?
On Sep 16, 5:20*am, Uncle Monster wrote:
mike wrote: My refrigerator is 36 years old. *Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a *new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. *Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. *If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike I saw a little dorm room refrigerator at Wal-Mart the other day that has no compressor. It's the first solid state refrigerator I've seen on the mass market that runs off regular line current. It uses a Peltier cooling device. The only moving part is the fan. It will be quite interesting to see if the technology is ever scaled up to the size of your typical kitchen refrigerator. [8~{} Uncle Monster- Hide quoted text - - Show quoted text - It can be scaled up easily but look at the consumption of the unit, I bet it as much as a large side by side |
#11
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Service life of a high-efficiency refrigerator?
On Sep 15, 10:21*pm, "Walter R." wrote:
Did you know that all new refrigerators sold in the US have only a one year warranty on the compressor? That's not because they last longer, it's because, on average, the compressors last less than five years. Five years used to be the warranty standard until a few years ago. The manufacturers were going broke replacing compressors under the 5 year warranty. Did you know that you don't know what you're talking about? I bought a Kitchenaid fridge a few months ago. It has a 5 year warranty for parts and labor on the sealed refrigeration system. And the refrigeration system is covered for years 6 through 10 for parts. And I'm willing to bet that I can find plenty of other brands with similar warranties. Our high end Jennair lasted 3 years. $ 600 to replace the compressor. Speaking of other brands, from Jennair website: Jenn-Air 22 cu. ft. Counter Depth Side-By-Side Refrigerator JCD2295KEP "Warranty & Service Plan For one (1) year from the original retail purchase date, any part which fails in normal home use will be repaired or replaced free of charge. For second through fifth year parts and labor for the sealed refrigeration system. So, where did you buy that Jennair fridge, with no warranty? From some hack on Craigslist instead of an authorized dealer? -- Walterwww.rationality.net -"mike" wrote in message ... My refrigerator is 36 years old. *Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a *new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. *Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. *If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike- Hide quoted text - - Show quoted text - |
#12
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Service life of a high-efficiency refrigerator?
ransley wrote:
On Sep 16, 5:20 am, Uncle Monster wrote: mike wrote: My refrigerator is 36 years old. Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike I saw a little dorm room refrigerator at Wal-Mart the other day that has no compressor. It's the first solid state refrigerator I've seen on the mass market that runs off regular line current. It uses a Peltier cooling device. The only moving part is the fan. It will be quite interesting to see if the technology is ever scaled up to the size of your typical kitchen refrigerator. [8~{} Uncle Monster- Hide quoted text - - Show quoted text - It can be scaled up easily but look at the consumption of the unit, I bet it as much as a large side by side If you Google solid state refrigerators you will find that there is a lot of research going on with new materials other than the well known Peltier devices. The fields of refrigeration and air conditioning should get very interesting within the next few years. [8~{} Uncle Monster |
#13
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Service life of a high-efficiency refrigerator?
On Sun, 14 Sep 2008 15:49:55 -0700 (PDT), "
wrote: On Sep 14, 6:41?pm, mike wrote: My refrigerator is 36 years old. ?Still going strong, but if you believe published efficiency numbers, it's costing me a hundred bux a year more than it would for a ?new one. Payback calculations depend on your assumptions for the time value of money and inflation in energy cost. ?Just looking at the cash flow, the break even point is 7 years or so. Looks marginal, but let's save the planet. Off I went to look at refrigerators. While chatting with the guy at Sears, he "disclosed" that the smaller compressors run much longer at higher pressure and they only last 6 to 7 years. ?If true, that negates all the savings. Is there any relevant data relating to service life of the newer, high-efficiency home refrigerators? mike my high efficency fridge is 11 years old and going strong. One unit doesn't make for a good arguement. I'm a landlord and of the 6 refrigerators that I've purchased over the last 7 years, three have developed compressor related problems. One was was a bad compressor start relay PCB - increasingly common, two others were the actual compressor. Sinee the start relay assembly was not covered by the 5 year compressor warranty, the cost for that repair, about $120, came out of my pocket. The tenant replaced one bad refrigerator without asking my permission. The 3rd unit had a new compressor relaced under warranty at about the 4-1/2 year point. Brands included, GE, Hotpoint (same as GE), Roper (made by Whirlpool) and Amana (Maytag then, Whirlpool now). Thus the compressor reliability rate in my admittedly small sample isn't great. The above refrigerators replaced old units that were from 20 to 45 years old, including brands like Kelvinator, GE and Amana. None of them ever had compressor related failures. They were basically replaced when the rust got too bad on the cabinets or shelving. The Kevinator units were amazing. They used a hot gas defrost system versus the typical electric heater in the freezer compartment. The use of hot gas defrosting had to be more efficient since it didn't depend on electrical resistance heating but it was noisy! The timer would call for a defost cycle, the freon gas solenoids would slam shut, reversing the gas flow and causing the compressor to strain like hell for about 20 seconds. Yet, those compressor were still running after 40 years. Doug |
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