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  1. Thread: AC run times

    by cjccmc
    Replies
    3
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    664

    AC run times

    I had a new 4 ton Amana system installed a few weeks ago for my 2000 sqft home. Having been home this hot weekend I noticed the cycle times seemed kind of short to me.
    With it being 95 outside and...
  2. Thread: Anthony Weiner

    by cjccmc
    Replies
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    996

    It's comical that his name is "Weiner". Couldn't...

    It's comical that his name is "Weiner". Couldn't make up a better one than that :grin2:

    Even more comical that polls have him as the early favorite!
  3. Replies
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    449

    Lennox or Amana?

    I'm replacing my home hvac system, finally narrowed down to two quotes from contractors who have equally good reputations, prices nearly same:

    1) Lennox: furnace Merit ML180UH090XP48B , condenser...
  4. Replies
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    466

    Thanks for the info. I could possibly go with a...

    Thanks for the info. I could possibly go with a higher cost unit if the difference isn't too much. Do most people find variable speed an improvement that is very noticable and well worth the extra...
  5. Replies
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    466

    Is this Amana combo OK?

    After kicking around different options, I think I'm going with this one for various reasons, one being that the install company has a high customer satisfaction rating and the tech they sent out...
  6. Replies
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    5,067

    GA: I see your point. After hearing many PROs...

    GA: I see your point. After hearing many PROs here advise that 1t/500 is not valid and that load calcs were needed for proper sizing, I was hoping that the results from my stab wud show 3tons or...
  7. Replies
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    5,067

    Sorry you feel that way. I was only exploring a...

    Sorry you feel that way. I was only exploring a topic of interest to me. "Trolling"? really?
  8. Replies
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    5,067

    Interesting. My Lennox 4 ton a/c which was the...

    Interesting. My Lennox 4 ton a/c which was the original builder unit installed in 1980 is still in running condition. I use the a/c sparingly, about 6 weeks total per year. Most of my neighbors who...
  9. Replies
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    5,067

    Darrell: Interesting website, I can see that...

    Darrell: Interesting website, I can see that you're passionate about energy conservation and have developed some innovative measures for your home. You must enjoy the cool interior after mowing all...
  10. Replies
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    5,067

    GA: You make a lot of valid points. The issue of...

    GA: You make a lot of valid points. The issue of leakage however only adds to the cooling load, correct? So if any type of Manual J software program can be simplified down to the type and quantity...
  11. Replies
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    5,067

    SM, would you mind sharing your results? What...

    SM, would you mind sharing your results? What did the calc show as cooling load and what tonnage do you actually have?
  12. Replies
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    465

    Just spoke with a city building inspector who...

    Just spoke with a city building inspector who advised going thru the roof if possible. Couldn't say for sure if there is a code requirement that would be violated if I did go thru that side wall. ...
  13. Replies
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    5,067

    Just curious if anyone here has had Manual J...

    Just curious if anyone here has had Manual J calcs done on a standard type home construction that shows cooling load considerably less than the 1ton/500sqft.
    Using this program:...
  14. Replies
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    5,067

    Yeah, in winter my gas bill skyrockets from...

    Yeah, in winter my gas bill skyrockets from summertime low of 40 bucks all the way to 95!
    My quote to "Replace the exposed attic ducts using R-8 value Mylar flex type" was $. Better chance of...
  15. Replies
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    5,067

    OK, thanks for reviewing. The grains I just took...

    OK, thanks for reviewing. The grains I just took from the default for LA area. I put 100F the first time as that is the kind of day when I want the a/c to effectively cool, but we always cool down...
  16. Replies
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    5,067

    If that means adding more/better insulation will...

    If that means adding more/better insulation will likely not pay for itself assuming current utility costs. Only run the a/c about 6 weeks per year. Heater is used more, Nov-March but outside temps...
  17. Replies
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    Thanks all for your inputs, I really appreciate...

    Thanks all for your inputs, I really appreciate the help.

    Udarrell: thanks for the link to the load calc page. I made399411399421399431 some window and door measurements and input those. Wow! 50k...
  18. Replies
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    465

    Have a 5" transite pipe in place that goes from...

    Have a 5" transite pipe in place that goes from garage thru top of 2 story roof, which the water heater shared with the furnace. Expensive to remove that and replace, less costly option is to run the...
  19. Replies
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    5,067

    When we bought the house, that original builder...

    When we bought the house, that original builder Lennox came with it. On the hottest 100F outside days, we typically did not turn on a/c until about 1 pm when inside temps were 85 or higher. Then that...
  20. Replies
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    5,067

    Who's really cooling 2000 sq ft with 3 tons?

    In reading some posts here there seem to be a number of pros who think the 1ton/500sqft is overkill. The 3 contractors who quoted replacement systems to me all insist the rule is correct. My original...
  21. Replies
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    465

    Forced vent code

    The higher efficiency furnaces proposed by a contractor require "side vents" thru the wall in my garage, 2.5" pvc for 4 ton system. I looked around my neighborhood of tract homes that are same floor...
  22. Replies
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    1,530

    Turns out they quoted Amana AMH80804BX and...

    Turns out they quoted Amana AMH80804BX and ASX130481 condenser. Amana and Goodman are essentially the same, right?
  23. Replies
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    1,642

    Thanks for the inputs. BTW, where do you get...

    Thanks for the inputs. BTW, where do you get detailed info like fan capacity, etc? All I see on the websites I Google are dumbed down sales brochures with pretty pictures.
  24. Replies
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    1,642

    Two contractors I had out both insist it's 1ton...

    Two contractors I had out both insist it's 1ton per 500 sq ft. Even when I bring up the idea that 3 ton could be adequate from what I've read on this forum they are close to adamant that it's...
  25. Replies
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    445

    Does 4" B-vent fit inside 5" transite?

    I have quote for ac and furnace replacement that I like except for one caveat. They need to pass city inspection that requires 4" b-vent. I have a 35 yr old home built with 5" transite as the flue...
  26. Replies
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    Trane XB 80 Furnace and XB13 Condenser

    What do you think of this combination as replacement units for 2000 ft2 home? We are light users of A/C and moderate users of furnace here in a mild climate. Existing (original) units were builder...
  27. Replies
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    1,530

    Bryant models are 113A a/c & 310 furnace. ...

    Bryant models are 113A a/c & 310 furnace. Legacy line.

    Still waiting to see what Goodman nos. will be when written quote received, but I was given a pretty close estimate of cost in advance,...
  28. Attributed to Jeff Foxworthy: If you can get...

    Attributed to Jeff Foxworthy:

    If you can get arrested for hunting or fishing without a license, but not for entering and remaining in the country illegally — you might live in a nation that was...
  29. Replies
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    1,530

    From a homeowners standpoint all you can do is...

    From a homeowners standpoint all you can do is assume that any two reputable contractors will do an equal job. But maybe it's valid to assume that lower cost brands are generally offered by...
  30. Replies
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    1,530

    Consumer Reports article did point out that...

    Consumer Reports article did point out that replacement units of all brands showed higher reliability which they suggest was due to better quality installs than original builder.
  31. Replies
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    1,530

    Is Bryant worth 15% more than Goodman?

    I have two quotes both from reputable contractors, 4 ton replacement A/C and furnace. Assuming all other factors equal and considering only life of equipment and costs of repairs and service over...
  32. Replies
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    I'm not in HVAC but curious about how this job...

    I'm not in HVAC but curious about how this job compares to auto mechanics. Advantages I see there are less possible down time. Is pay comparable? But I know from bringing in my car for repair that...
  33. Replies
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    Ducts for upstairs do run thru attic, gets plenty...

    Ducts for upstairs do run thru attic, gets plenty hot up there in summer.
    One of two salesman did look at all the rooms, both said 4 tons without making any measurements, just I think going from...
  34. Replies
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    I went to the website udarrell posted above and...

    I went to the website udarrell posted above and gave it a shot (I probably know just enough to be dangerous :eek:)

    When I put in closest area, Los Angeles, it entered some default temps for winter...
  35. Replies
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    2,180

    Ah, my bad, supply registers mean the vent /...

    Ah, my bad, supply registers mean the vent / louver that supplies air to individual rooms then? If so there are:
    6 upstairs, (1 per bdrm and 1 per bath)
    4 downstairs: (kitchen, family rm, dining...
  36. Replies
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    Yes, it's kind of noisy, my command central...

    Yes, it's kind of noisy, my command central station (Lazy-Boy recliner) is right next to it and my finely tuned reflexes quickly hit the Volume up button on the remote when the fan kicks on. The...
  37. Replies
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    Only that one 30 x 10 register on the bottom...

    Only that one 30 x 10 register on the bottom floor. All the air pulled by the fan has to pass thru it (and tiny cracks that ants like to crawl thru :grin2:)
  38. Replies
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    No forced air on the vent, just a mostly vertical...

    No forced air on the vent, just a mostly vertical run of 5" (4.25 ID) pipe.
    The return register is on a wall in my family room about 2 ft away from the furnace that is behind that wall in the garage.
  39. Replies
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    My home seems to be well insulated; I see it in...

    My home seems to be well insulated; I see it in attic and exterior walls. Also have double paned windows. Our climate here is mild I only use the A/C about 6 weeks per year in Aug and Sept when temps...
  40. Replies
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    2,180

    Yes, you're right, I just went and measured the...

    Yes, you're right, I just went and measured the water heater vent, it's 3 inch (not 2.5 I stated earlier).
    That flue is 5" on OD, but 4.25 ID (3/8 wall thk). Thanks for the 155,000 BTU number, it...
  41. Replies
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    Here's one of the confusing points for me: These...

    Here's one of the confusing points for me: These are all tract homes, built in 1980, which had to comply with existing codes at that time and pass inspections. I have not added to the size of the...
  42. Replies
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    No basement or crawl space, my house is built on...

    No basement or crawl space, my house is built on a concrete slab
  43. Replies
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    2,180

    My current water heater vent looks like a 2 or...

    My current water heater vent looks like a 2 or 2.5 inch dia. My neighborhood is tract housing and just by walking thru I can tell that every home identical to mine still has that same 4.25 ID pipe...
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    sizes for exhaust and air return

    Hi all,

    I need to get a replacement a/c and furnace system for my 2 story 2000 sq ft home built in 1980. I had two local contractors (both well recommended) come out and got somewhat different...
  45. Replies
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    Hi from So. Calif

    Hello,

    Looking to replace my home HVAC system and would like some guidance from the pro's here.

    Thanks,
    Conrad
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