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  1. Replies
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    I assume the logic described in the Carrier...

    I assume the logic described in the Carrier patent must be similar to what other manufactuer's use in their "demand defrost" feature--if so, why do you think that Carrier sticks with time/temp. some...
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    OK--Carrier's patent app. appears to do what...

    OK--Carrier's patent app. appears to do what you've stated which appears to follow the documentation for the "Auto" setting in the Infinity Control for my HP.
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    Demand defrost on Carrier Heat Pumps

    Quick techie question:

    There have been a number of comments on various forums that Carrier Heat Pumps don't have demand defrost. After reading the docs. on my new Carrier Heat pump--25HNB6, 3...
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    Seems like it if you read enough of the...

    Seems like it if you read enough of the topics/posts. However, there are knowledgeable non-professionals that may have lessons-learned to share that are useful, even if it doesn't technically...
  5. What manufactuer/year of production was this...

    What manufactuer/year of production was this equipment? I ask, because my contractor says Carrier eqiupment is designed/certified for use with UV lights...
  6. It's not a bypass humidifier--it's a powered fan...

    It's not a bypass humidifier--it's a powered fan humidifier.
  7. The HP runs for extended periods, but doesn't...

    The HP runs for extended periods, but doesn't decrease the humidity much, if at all--perhaps it's the combustion air for the furnace/boiler?
  8. Do you have any recommendations for such a...

    Do you have any recommendations for such a company in the NoVA/DC/MD area?
  9. I've never lived in such a home or visited one...

    I've never lived in such a home or visited one either. In my present homes (one in NoVA and one in Midwest), extended periods where the Gas Furnace/Boiler runs will decrease the humidity into the...
  10. UV Lights to stop mold in new system--Effectiveness/Risks

    I had new Carrier Infinity system installed about a month ago (HP, Coil, Gas Furnace, Powered Fan Humidifier, Infinity Control--all Carrirer branded including the Powered Fan Humidifier). I'm...
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    I had the same furnace from the same time period...

    I had the same furnace from the same time period that did the same thing--ended up having to have the circuit board replaced--that fixed the problem--not a cheap repair though.
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    I went to Buderus' site--is there a particular...

    I went to Buderus' site--is there a particular model of the Gas Conventional Models that you're familiar with?
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    Re. piping--what we currently have is a cast-iron...

    Re. piping--what we currently have is a cast-iron pipe loop with scoop tees that transition to copper for each panel. The replacement panels are copper with fins--the orginal panels that we had...
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    What do you mean by primary/secdondary water...

    What do you mean by primary/secdondary water piping?
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    New Boiler Recommendation Requested

    We need a recommendation for a new boiler for an approx. 1200 sq. ft. single story ranch home in the Midwest (North Central Illinois). Other energy efficiency improvements have been completed (new...
  16. Nope--the system was 8 yrs and 11 months old, so...

    Nope--the system was 8 yrs and 11 months old, so like it or not, Trane was on the hook to fix or replace the system for another 1 yr and 1 month. If they can't provide parts for systems that they...
  17. Well, that's the problem isn't it--the end user...

    Well, that's the problem isn't it--the end user doesn't really care about "independent contractors", etc.--they just want the system to work and the manufactuer of the equipment is part of the...
  18. As stated above, pay now, pay later, pay...

    As stated above, pay now, pay later, pay regardless--given the system's problems since day 1, why would I spend $0.01 on this system (including 1.5X $'s for expedited shipping with no firm delivery...
  19. I didn't start this thread with the purpose of it...

    I didn't start this thread with the purpose of it turning into a Trane vs. XYZ festival. If a manufactuer can't provide parts in a timely manner, then warranties/extended warranties are worthless...
  20. Pesonally I would pay a premium for a premium...

    Pesonally I would pay a premium for a premium product with premium support regardless of who builds it and where it's built.

    However, what we end up doing is paying premium prices for so-so...
  21. A.--Yes, but 2+ weeks is a long time B.--Makes...

    A.--Yes, but 2+ weeks is a long time

    B.--Makes me wonder how they were going to "expedite" it and why it would cost $$$'s
  22. That's kind of the way I saw it--long-term,...

    That's kind of the way I saw it--long-term, efiiciency, restart the 10 year time clock, etc.

    Too soon to tell about Carrier--we will see.
  23. The only real rule with HVAC is pay now or pay...

    The only real rule with HVAC is pay now or pay later--either way, you will pay. I got a good deal (relatively speaking) by paying now.
  24. Not so....I've collected on several extended...

    Not so....I've collected on several extended warranties over the years (autos). This is the first time that I've run into the siutation where a repair is covered, but the availiability of the part...
  25. Yes and yes--10 year parts and labor and Infinty...

    Yes and yes--10 year parts and labor and Infinty Hybrid system.
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