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    Air Filter Data

    As usual I got myself into some data and now I'm curious............

    If you had a few air filters with the ratings below, which one might be the better (everything else equal) just looking at the...
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    Probably right, although the old system worked...

    Probably right, although the old system worked just fine for 29 years-no hot or cold spots with excellent air draw. In any case, if this new system has issues, that will be the installer/dealers...
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    George2, that would be a single large return. ...

    George2, that would be a single large return. This single level 2500sqft house was built in 94. The current system (N.Gas Coleman Evcon) works great for airflow. No hotspots or cold areas. Same...
  4. Thread: FAQ

    by mixer440
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    Now I could have predicted that........just like...

    Now I could have predicted that........just like the same people who don't read the rules here ?

    Well, as much trouble as it might be.....say 30 minutes.......it would be a plus IMO.
  5. Thread: FAQ

    by mixer440
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    FAQ

    Moderator please move this if necessary.

    I'm curious why there isn't a faq for those 10 or so questions that the pros here answer daily ? Ideally, at the top of this forum.
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    Excellent information. I'm surprised that they...

    Excellent information. I'm surprised that they don't have the air sensor/guage as an option and reported by the tstat. Seems like a good thing all away around. I'd rather have that, than some of...
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    Perfectly said duckman06, and don't get me wrong...

    Perfectly said duckman06, and don't get me wrong that's why I'm asking.
    The furnace is an XV 95 with an XLi 15 dual fuel

    The HVAC company installing the system has custom built air media cabinets...
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    Tiger and duck..... I'm sure the Trane unit is...

    Tiger and duck.....

    I'm sure the Trane unit is nice, but from what I see it is significantly more money. I'm going to look at the custom one and compare.


    I don't necessarily agree about the...
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    Furnace. Thanks George2 for the comments. ...

    Furnace.

    Thanks George2 for the comments. The installer calls it a 4" media cabinet. It will take anything from a true 4" filter down to say a 1". Looking around I quickly noticed that most...
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    4" Filter Confusion

    Filter Sizes

    I'm baffled by the range of choices for furnace filters.

    A new furnace that I'm having installed will have a custom built 20x20x4" media cabinet. But looking around, I'm seeing...
  11. Thread: Superheat

    by mixer440
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    Superheat

    Reading a bit on good installations, I came across a highly technical article on proper setup using Superheat ???? The article was referring to an AC unit. Now, would this also be important on...
  12. New Installation question: Tilt for better drainage

    I've read here about the importance of a slight tilt to a high efficiency furnace to allow the condensate to move freely into the drain. Is that still necessary with all models ? I've been told...
  13. Furnace air intake inside a mechanical closet

    Installing a new 60K BTU HE furnace in a utility/mechanical room in a residential home. Has an existing water heater: 50gal @ 40k BTU.
    Room is about 6x6x9 high with closed non-vented door
    Room has...
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    Thanks duckman, it's always good hear your...

    Thanks duckman, it's always good hear your comments.
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    Thanks guys. I'll check them out at a local...

    Thanks guys. I'll check them out at a local distributor.
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    Are most new furnaces hard wired or plugged into...

    Are most new furnaces hard wired or plugged into an outlet ? For example the XV95 Trane.
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    Surge supressor/protecter on new system

    What does everyone think about having a surge suppressor on a new furnace install (the 120 volt line). I've seen these at Lowes and H.D's and they are like a regular duplex outlet -- except with...
  18. Thanks "j". Just wondering for a new system. ...

    Thanks "j". Just wondering for a new system. 20x20 may not fit with existing return and furnace, but installer said probably 16x25 or 16x20 for the 4". Interestingly, one hardware store I called...
  19. What are the most obtainable common 4" Media filter sizes ?

    From my own unscientific survey, it seems that the 20x20x4" one are most obtainable at the usual hardware stores. Then maybe 16x20 and 16x25 ?????
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    You nailed it perfect. I looked at the specs...

    You nailed it perfect.

    I looked at the specs for the 4 ton hp and the furnace and that's why it pushes it up to the 80K to get the blower to handle the HP. I suppose there's really no issue...
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    Yes, and there is the "rub", it appears I can't...

    Yes, and there is the "rub", it appears I can't do that with the Carrier line without going to a 4 ton. At least according to their calculations.
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    Yes, indeed. Although I think there's an error...

    Yes, indeed. Although I think there's an error in the heat load I hired.....at least in the cooling btu. HP for all would probably work here, but I prefer dual heat....especially since NG is so...
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    Different Loads for same situation ?

    Everyone here has been a great help (especially skyheating)

    I've pretty well narrowed my choice on a heat pump + furnace to two contractors. The interesting thing is that they're suggesting two...
  24. Thanks firecontrol. It's always interesting to...

    Thanks firecontrol. It's always interesting to see your POV.

    I don't know how many different manufacturers/distributors you or your HVAC business deal with, but are there any that are typically...
  25. Are getting parts or warranty coverage a hassle?

    I've been dying to ask this question. Here's my reasoning: From what I've read here, you guys go the extra mile troubleshooting and satisfying the customer.

    So.......how difficult is it to work...
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    I got you on the Media Filters. Mine will...

    I got you on the Media Filters. Mine will probably be a 4". So a 4" media filter then slides into a filter cabinet.

    Curious: On a new installed system, are those filter cabinets a separate box...
  27. Thread: Heatpump pad

    by mixer440
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    Thanks Dan, What do you think of the preformed...

    Thanks Dan,

    What do you think of the preformed ones--some sort of composite----that sit on top of a gravel/rock base ?
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    Filter Cabinet

    My old furnace just has a modified slot for a 1" filter. On newly installed systems what is the filter holder now ?
    Is it part of the return----just sort of hacked in to accept filters
    or
    Is it...
  29. Thread: Heatpump pad

    by mixer440
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    Heatpump pad

    My old heatpump is sitting on top of a concrete pad. Are those still used ?

    What do you folks prefer now ?
  30. Here's one that I used. Posted with the...

    Here's one that I used. Posted with the permission of a HVAC Pro member. Sorry about the size, I'm having a hard time posting a larger one.
    345391
  31. jtrammel: Okay makes sense. That's...

    jtrammel:

    Okay makes sense.

    That's something I know nothing about and would leave it up to a HVAC pro, but it seems like you couldn't do it with a Carrier Infinity system since it fully...
  32. So, you are saying ? TRANE ? At least that...

    So, you are saying ? TRANE ? At least that what the author of the link says......unless these things are readily available on the market and contractors know about them and can adapt them into...
  33. Setting a point that keeps a Heat Pump from defrosting

    I guess you can't add on to an existing post, so I'll start a new one...............


    If a person had a Carrier Infinity Furnace and Heat Pump with an Infinity Thermostat, could you set a point,...
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    This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here. Please apply to the AOPC today, thank you.
    ...
  35. motoguy: That blew me away when I saw what...

    motoguy:

    That blew me away when I saw what Trane needed for a Geothermal in there pamphlet at a local hardware store: something like 30 or 40 vertical feet or just a football field. The...
  36. Thanks Duckman06, I'll take any advice ...

    Thanks Duckman06, I'll take any advice

    Carrier: Infinity 59TN6080, Infinity 16: 25HNB648 4 ton
    Trane: XV95 TDH2B060, XL15i 4TWX5036 3 ton.....or instead the XL16i

    I'm a bit worried about the...
  37. Carrier Infinity or Trane Trane ComfortLink II thermostat

    From what I see people around here prefer the Carrier Infinity over the Trane ComfortLink thermostats.

    Infinity
    --better handling humidity

    Trane
    --better Electronic defrost demand

    It also...
  38. Filter Choice help: 4 or 5 inch, custom build ?

    I'm planning on having a new gas furnace installed. For years, I just had a 20x20x1. Now the proposals say they'll be building ? or including a 4" media filter slot. Questions:

    --Should I...
  39. Whoops, I see my error. That's not for a HVAC...

    Whoops, I see my error. That's not for a HVAC heat pump. Sorry.
  40. New 2013 Federal tax credits for heat pumps and gas furnaces

    I believe they have re-started or extended the furnace and heat pump water heater credits (among other energy appliances)

    My question is what do they mean by "Electric heat pump water heater with...
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    AFUE

    So, I guess that a 97% furnace is really a 95% furnace, since you'll never be using it in the summer and almost never above 40 degrees if you have a heat pump. Oh well, what's approximately 2...
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    Thanks for the info. Q: Let's say for example...

    Thanks for the info.

    Q: Let's say for example then that you have/need 3.5 tons. If you get a 2 stage HP, then how do you size that ?
    Q: What's your opinion on 2 stage units from Carrier or...
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    SkyHeating: I'm unsure of the exact size of the...

    SkyHeating: I'm unsure of the exact size of the Heat Pump and who knows what it is after 20 years. Here's the number:

    344221

    I'm curious, what does a dealer do if a company doesn't have 1/2...
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    location of a heat pump?

    What about installing a new heat pump.

    In milder climates (PNW):

    South side=blazing hot sun for 2 months a year.....
    versus
    East side (longer run)=shaded cooler. Still no difference ?
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    Thanks ADillon. So if the smallest furnace is...

    Thanks ADillon.

    So if the smallest furnace is around 60K then you'd want that for the 1st stage--or--whatever stage is used least. Right ?

    Off Topic: I like your picture, but have you seen...
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    That would be 2800 sqft single level, medium...

    That would be 2800 sqft single level, medium tight, W:R21/C:R42/F:R25, Ducts in vented crawl:R6
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    HVAC Heat/Cool Load calculation example ?

    I'm posting a Heat/Cooling load calculation that I did using a fantastic program posted here on this website (posted by permission).

    Just about everyone here has stated the importance of doing a...
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    Thanks BaldLoonie. That explains it well. Is...

    Thanks BaldLoonie. That explains it well. Is that why I've read that "maybe" the Trane defrost is better for colder climates in that it prevents unecessary defrost cycles that are hard on the Heat...
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    Electronic Defrost

    I've been comparing the Trane XL15i or XR15 and Carrier Infinity 3-4 ton heat pumps. It looks like Trane has a electronic defrost or something called that. I'm not completely sure of the...
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    I'm thinking that annual maintenance costs will...

    I'm thinking that annual maintenance costs will probably equal out any energy savings on new units. Perhaps I'm wrong ?

    So, from my POV, it's a wash and I'm not expecting to get anything in...
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