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  1. #1

    Customer wants 68 on 3rd floor???

    This customer would like to keep his upstairs third floor at 68 degrees but it just won't get there. The system is freezing up. I can keep the house at around 72 degrees. Is a standard HVAC system designed to keep an area this cool or is he looking for a refrigerator? This house is in Woodside California and the outside temperature is between 80 and 90 degrees.

  2. #2
    Join Date
    Jun 2003
    Location
    Florida
    Posts
    9,548
    Not many design temps in the 68 degree range. Get a dehumifier and they won't want it near 68 degrees, as it will feel cold in the low 70's,and the system will cycle properly then.
    If everything was always done "by the book"....the book would never change.

  3. #3
    Quote Originally Posted by JJMCAY View Post
    This customer would like to keep his upstairs third floor at 68 degrees but it just won't get there. The system is freezing up. I can keep the house at around 72 degrees. Is a standard HVAC system designed to keep an area this cool or is he looking for a refrigerator? This house is in Woodside California and the outside temperature is between 80 and 90 degrees.
    You may want to recommend that he/she upgrade to a walkin cooler. Just a thought.

  4. #4
    Join Date
    Apr 2006
    Location
    South West Ohio
    Posts
    407
    We have a doctor that keeps his second floor at 63 degrees. We use a freeze stat on the coil, low ambient kit on the outside unit. He has no problem keeping it there, it is oversized slightly.

  5. #5
    Join Date
    Apr 2004
    Location
    Charlotte, NC
    Posts
    648
    Quote Originally Posted by ryan_the_furnace_guy View Post
    You may want to recommend that he/she upgrade to a walkin cooler. Just a thought.
    Lovely thought. I wish I had one, love the 68 degree idea.
    "Fighting Ignorance since 1973 (It’s taking longer than we thought)." The Straight Dope.

  6. #6
    Join Date
    Aug 2002
    Location
    manitowoc wisconsin
    Posts
    4,943
    I agree with the freeze stat & low amb kit.I would also use a delay on make with at least 5 mins to give the airsome time to defrost the coils.
    Take your time & do it right!

  7. #7
    Join Date
    Jan 2004
    Location
    PA
    Posts
    68,766
    Quote Originally Posted by markwolf View Post
    I agree with the freeze stat & low amb kit.I would also use a delay on make with at least 5 mins to give the airsome time to defrost the coils.
    Good idea.
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  8. #8
    Join Date
    Sep 2002
    Location
    I don't know
    Posts
    2,909
    This customer would like to keep his upstairs third floor at 68 degrees but it just won't get there. The system is freezing up. I can keep the house at around 72 degrees. Is a standard HVAC system designed to keep an area this cool or is he looking for a refrigerator? This house is in Woodside California and the outside temperature is between 80 and 90 degrees.
    Customer is therefore stupid and should learn to accept a more reasonable setpoint. Anything below 75F is wasteful.

  9. #9
    Join Date
    Jun 2007
    Location
    louisville ky
    Posts
    107
    Quote Originally Posted by amd View Post
    Customer is therefore stupid and should learn to accept a more reasonable setpoint. Anything below 75F is wasteful.
    i now keep my house at 70. i just got a 3ton put in my house is 1200sq feet it is cold in here i like it

  10. #10
    Join Date
    Jan 2004
    Location
    PA
    Posts
    68,766
    Quote Originally Posted by chrism9232 View Post
    i now keep my house at 70. i just got a 3ton put in my house is 1200sq feet it is cold in here i like it
    If they add the proper humidity controls to your new furnace, you'll be able to get your humidity down, and be just as comfortable at 72, to 74 degrees.
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  11. #11
    Join Date
    Apr 2006
    Location
    South West Ohio
    Posts
    407
    Quote Originally Posted by markwolf View Post
    I agree with the freeze stat & low amb kit.I would also use a delay on make with at least 5 mins to give the airsome time to defrost the coils.
    Yes. The thermostat has a 5 minute delay built into it.

  12. #12
    Join Date
    Jul 2004
    Location
    Massachusetts
    Posts
    6,841
    Quote Originally Posted by beenthere View Post
    If they add the proper humidity controls to your new furnace, you'll be able to get your humidity down, and be just as comfortable at 72, to 74 degrees.
    The smallest zoned system that I know of for humans is an electric blanket on a double bed. Two controls, two temps. Now if you can't get two people who are sleeping together to agree on a temperature, what makes you think that someone should only be comfortable at the temps you're comfortable? My wife likes the bedroom cold enough that she has to use a comforter all summer. Fine with me, I like it cool too ('bout 67 @ 45% RH) but we're New Englander's and like the cold. Some other people don't even want AC. Go figure.
    If YOU want change, YOU have to first change.

    If you are waiting for the 'other guy' to change first, just remember, you're the 'other guy's' other guy. To continue to expect real change when you keep acting the same way as always, is folly. Won't happen. Real change will only happen when a majority of the people change the way they vote!

  13. #13
    Join Date
    Jul 2001
    Posts
    3,112
    Sell the customer a seperate system for the 3rd floor only.

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