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  1. Replies
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    That sounds really nice. Should be way more...

    That sounds really nice. Should be way more efficient too.
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    Thanks I have read the lower 19SEER FT4BG can...

    Thanks

    I have read the lower 19SEER FT4BG can use a 2 stage controller( honeywell or others) and I was recommended Azrel zoning with it. It says can have 5 stages in heating and cooling.

    ...
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    Ok Great. Thanks!

    Ok Great.


    Thanks!
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    Thanks Dan Interesting reading and a good way...

    Thanks Dan

    Interesting reading and a good way to be.

    I gather that both are better than good equipment. Now only if I knew my caculations were correct and a 2 ton is all i need.

    Jimmy
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    Anyone have an opinion on the Infinity...

    Anyone have an opinion on the Infinity Greenspeed vs the Nordyne FT4BG?

    Thanks
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    Teddy Bear Thank you for all your help and the...

    Teddy Bear

    Thank you for all your help and the useful information. I will let you know how it goes.
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    Teddy bear Thanks for that info. I made a typo...

    Teddy bear

    Thanks for that info. I made a typo it should be 21500 and yes it includes the basement. Will I still need a HRV or ERV with this? Should I tie it into the HVAC or have it seperate?
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    teddy bear There are just 2 of us 85% of the...

    teddy bear
    There are just 2 of us 85% of the time. 12500cuft of air volume and a change every 5 hours would be 72 cfm. I don't know how often the a/c will be running as it doesn't get very hot...
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    377441377451 TeddyBear I am attaching the...

    377441377451

    TeddyBear
    I am attaching the average dew point and average temperature. Could you tell from this what size of a dehumidifier I would need?

    Thanks
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    Thanks teddy bear. Sorry , I thought it had to...

    Thanks teddy bear.
    Sorry , I thought it had to be a HRV. So any kind of mechanical ventilation woud do then. Does that include the Range hood fans and bathroom fans. Would it be best to hook up a...
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    They are required by code here in Canada.

    They are required by code here in Canada.
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    Thanks One of th quotes I have for a heat...

    Thanks

    One of th quotes I have for a heat pump has the HRV install included. I think they run the HRV supply and return to the HVAC return and run the airhandler continuous. The HRV will somewhat...
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    376341here is a table of average RH for the year

    376341here is a table of average RH for the year
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    I think the RH here for may is between 63 and 96...

    I think the RH here for may is between 63 and 96 so it can be very humid. We are on an Island. i am looking for the yearly averages. One site says it ranges from 86% in the morning to 75% in the...
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    Thanks for the information. I don't see any...

    Thanks for the information.
    I don't see any condensation buildup on windows during the cold months. I have a range hood and 2 bathroom fans that exahust directly to the outside. I have a wooden...
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    Ok thanks for the reply, so the HVAC takes out...

    Ok thanks for the reply, so the HVAC takes out the moisture that the HRV brings in, could you not use the HRV in the summer or use it less so as to not bring in too much humid air? I am thinking of a...
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    Location Eastern Canada

    Hi
    Thanks for the questions.

    It is a fairly new place ~3 years. in the countryside, a vacation place that is used 80% of the time and will be 100% on retirement. No ducting in place. Here in...
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    HRV tied into HVAC or not

    Hi

    I am thinking of adding an HRV when I get my heat pump system installed. From what I have read it seems that when it it tied into the HRV ducting the AH has to run continuously to move he fresh...
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    Ok thanks for that information.

    Ok thanks for that information.
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    Thanks So would that be very quiet and use...

    Thanks

    So would that be very quiet and use smaller ducting? would it be higher for the second stage of not? I don't know how that works.
    I was thinking you would need bigger and more ducwork...
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    My place could actually be calling for cooling at...

    My place could actually be calling for cooling at 25F if it is a sunny day. I have seen the inside temp climb to 78 without any heat on because of the windows. If I was set to 72 indoors how would...
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    There is only one carrier installer in our area. ...

    There is only one carrier installer in our area. I really don't know how good they are. I have corresponded via e-mail so far. I won't be back home for a month but I will ask for quotes on the...
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    Thanks for your help and knowledge. Would you...

    Thanks for your help and knowledge. Would you recommend an Infinity 16 2 stage for zoning .I am still undecided on a 2 or 3 ton, if I use a 2 stage. Can you do zoning as well with the performance...
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    Thanks again I probably would only want to set it...

    Thanks again I probably would only want to set it back by that amount anyway. The Kitchen ,living ,dining area is all open, there is a hallway behind kitchen to 2bedrooms and a bathroom. 2, 120 sq...
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    Thanks for that infomation. That would be...

    Thanks for that infomation.

    That would be ideal for my situation.

    What we have is a second place in the country but spend 50% time there in the winter and 100% from Spring to Fall.That is what...
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    Ok thanks Yeah I guess that is why 3 ton and...

    Ok thanks Yeah I guess that is why 3 ton and sized for heating not cooling as per normal.

    A 3 ton 2 stage would probably be the best way to go.

    Another question, If I make 2 zones and the main...
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    I know not much need for AC. What do you mean to...

    I know not much need for AC. What do you mean to start off the heat strips?

    I guess with the 3 ton you would still get enough heat at the lower temperatures. So there would be no need for a 2...
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    Thanks I did find the data. We only have...

    Thanks

    I did find the data.

    We only have about 60 cooling degree days a year but with all the windows we have I could use some AC if I have it.
    My heat gain was about 21000 btu's I think I...
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    Motoguy They are propane and we are in a...

    Motoguy

    They are propane and we are in a remote area that they only deliver 2 twice a year. It is ideal for when we have power outages in the winter. Would the 3 ton infinity be to oversized for...
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    Thanks for that information. I do have 2...

    Thanks for that information.

    I do have 2 directvent fireplaces installed. One in the basement and one on main floor in the living room. So I would be ok. If it does get down to 5F it would only...
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    Dan HDD's used in caculation from...

    Dan

    HDD's used in caculation from Dec2012-March2013 was 2395C or 4311F.
    coldest average low temperature seen here was 15F or -9.3C dT of 55F and for that I need 18020 BTU's /hr based on usage...
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    Dan For dT of 50F I need 16382 BTU's/hr and...

    Dan

    For dT of 50F I need 16382 BTU's/hr and for dT of 20F I need 6553 BTU's /hr
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    Desine temperature used

    I used dT of 65F or 36C for the caculation. This is the worse case scenerio. The guy who said i needed a 3 ton used dT of 65F. I should not need this amount ever. We do not have 30 degree temperature...
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    I think you made a typo as it only equals 12000...

    I think you made a typo as it only equals 12000 btu's/hr
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    Yes, I agree and from all I have read about it...

    Yes, I agree and from all I have read about it and from what most are saying in here is would be a great system to have.

    Thanks
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    2.5 ton was oversizing

    The 2.5 was oversizing for heating needs. and a lower balance point. I think the 3 ton would be unnecessary. The Greenspeed Infinity 2 ton would be sufficient according to thier heating performance...
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    Motoguy I don't have a dehumidifer. The house...

    Motoguy

    I don't have a dehumidifer. The house is 3 years old and doesn't have any mechanacial ventilation ( only the kitchen and bathroom fan exauhsts no intake).

    We are in the country and we...
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    I removed 450kwh's per month for the other items....

    I removed 450kwh's per month for the other items.

    Ok so you design for 36000 BTU's /hr heat loss ( which is what thay told me I needed), and you get that output from the heat pump @ 47F. If you...
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    Thanks Motoguy. That was the point of the...

    Thanks Motoguy.

    That was the point of the exercise, I was thinking I was on the right path. I believed the number I came up with using the HVAC Calc but when the professionals came in and came up...
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    Thanks Steve I did a load caculation using the...

    Thanks Steve

    I did a load caculation using the HVAC Calc software and I came up with ~ 21000 BTU's/hr. I have been told by two contractors that I need a 3 ton HP or 36000 BTU's. I dont think I do...
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    Heat Loss based on utility bills.

    I am trying to caculate my heat load based on electric and propane usage.374241

    From my electric bill I have used 15132 Kwh in the period from March 2012 to March 2013. If I take away 450 kwh...
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    373851 Here is a table of the electrical...

    373851
    Here is a table of the electrical usage[with HDD's
    ATTACH=CONFIG]373861[/ATTACH]
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    21000 btu's/hr heat loss

    Thanks Dan

    Is that based on a certain design temperature?
    I tried to get my caculation to match yours using the method you mentioned previously using electricity and correction for HDDs...
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    Sorry no secret

    Here are the numbers:

    The estimated values are from when they can't read the meter if the road or drivway is not yet plowed after a heavy snowfall and this happens a few times during the winter...
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    Dan Some numbers from my electrical bills. ...

    Dan

    Some numbers from my electrical bills. Electric baseboard heat only. Total usage 6824kwh Usage for electrical only is 4784kwh ( 500 /month for other usage) HDD for that peroid 1834.
    ...
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    I have done a load calculation so I should have...

    I have done a load calculation so I should have an idea what is required. He didn't put in insulation values. He did put in running wall length and window sizes. I have a vaulted ceiling that is...
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    I set it to 63 for night time from 11pm to 6 AM ...

    I set it to 63 for night time from 11pm to 6 AM

    Actual usge in KW from electrical bills for 1500/month for 3 month period used 4500 in 90 days.

    Yes for 24 months. it uses electric baseboard...
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    What is the design temperature based on? Average...

    What is the design temperature based on? Average or what ?
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    Dan For here the average daily low for that...

    Dan

    For here the average daily low for that period 16F and the daily average is 23F. That would make dt HDD 65-16= 49. 49 x 90Days = 4410 HDD
    A design of 10 would be Design dT of 60. So ...
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    That company showed up and did some measurements...

    That company showed up and did some measurements and came up with 38000 BTU's/ hr heat loss. So a 3 or 3.5 ton system needed.

    My electrical utility bill average for Dec to Feb was 1500kw /month ...
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