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  1. #27
    Join Date
    Oct 2012
    Posts
    16
    Ok I've got two final bids. One is a Lennox dealer the other does American Standard. Both calculated the loads at 2.5 tons. The Lennox recommendation is a 15 SEER Xp14-030 Elite Heat Pump with a CBX27UH Air handler and a CS5000 Tstat for $$$ after the local power company rebates. They recommend we zone the new unit, place a return in the theater and a return in the new bedroom. They also recommend increasing the size of the some of the existing ductwork as it is six inch and should have been larger. Also, the Lennox contractor is telling me the variable speed air handler isn't necessary since I will have all ceiling vents. Is that true?

    The American standard quote I am getting is as follows: 14 SEER Heat Pump (don't have model #) and the GAM air handler with electronic expansion valve which increases it to 15 SEER (that's what I'm told). That would be $$$ and if I want it zoned it would be another $$$. I think that is probably going to be well worth the money to have it zoned.

    Which solution should I go with?
    Last edited by jpsmith1cm; 12-13-2012 at 06:54 PM. Reason: Pricing

  2. #28
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    25,925

  3. #29
    Join Date
    Oct 2010
    Location
    Anderson, South Carolina, United States
    Posts
    7,758
    Yes supply and return ductwork definitely needs to be larger to add another ton. I don't know what he's talking about with the variable speed not necessary bc of ceiling registers but no it isn't necessary just will give a little better seer rating to the matched system and more versatility in airflow options. Zoning may or may not benefit you for the added expense, with the unit being single stage I don't see it helping anything too much, without seeing the application I can't be sure though. 2.5 tons for ~1500sqft sounds awfully similar to the old rule of thumb 500sqft/ton.

  4. #30
    Join Date
    Oct 2012
    Posts
    16
    Sorry, let's just say both options are the same price. The only difference is the Lennox contractor seems to have a little bit more professional business.

  5. #31
    Join Date
    Oct 2012
    Posts
    16
    I think zoning is necessary because half of the upstairs is a bedroom, bath abd game room over my garage and a few downstairs bedrooms. The remainder will be an 18x30' theater that will have 4 doors around the room that all will have weatherstripped thresholds and an additional bedroom.

  6. #32
    Join Date
    Oct 2012
    Posts
    16
    Name:  Floorplan.jpg
Views: 52
Size:  30.5 KB Here is the floor plan for my upstairs.

    Name:  Upstairs Floorplan -revised 12-11-12.jpg
Views: 51
Size:  34.9 KB Here is the floor plan for the new addition. All of the doors will be either exterior, weatherstripped doors or interior, solid core, weatherstipped doors with soundproof door sweeps.

  7. #33
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    6,428
    Quite a PROfe$$ional theatre.
    ________. _ _ How much will admi$$ion be?
    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

  8. #34
    Join Date
    Oct 2012
    Posts
    16
    Yeah it's been a dream of mine for 20 yrs to have my own dedicated theater. I'm doing most of the work myself and subbing out some of the bigger trade jobs like electrical and HVAC. I'll probably have $10-15k in the construction and another $5-8k in equip.

  9. #35
    Join Date
    Oct 2012
    Posts
    16
    Any other guidance? I will probably look to get this installed in February.

  10. #36
    Join Date
    Aug 2012
    Location
    North Dakota
    Posts
    518
    when we are telling u to have a load calc. done! it truly means they must do a manual j or computer equilivelnt not just to look and give an opinion

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