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    Input needed!!

    In February I had a new Thermal Zone 96% 2 stage variable installed! 56k is still oversized for my 2100sq house but that's besides the point. I had my spring tune up and the Technician said I have...
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    Thanks for your input! I have been curious as to...

    Thanks for your input! I have been curious as to why it's so different! My utility bills a very low and it seems if most houses were built like mine with properly sized equipment there would be...
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    Very good point , my house has 251sq ft worth of...

    Very good point , my house has 251sq ft worth of windows. 30 sq is south east facing, so most my window space is facing n, nw.


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    Understandable, I know what heat feels like doing...

    Understandable, I know what heat feels like doing 2 tours in Iraq. Baghdad was dry and Basra was extremely humid! On the other hand it can get very hot in MN also ( not Iraq hot) but we will hit 100*...
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    North vs south construction??

    I'm curious , I read the treads on a daily basis and I'm very confused on southern hvac practices vs northern. I live in MN, very cold in winter, can get hot and humid in summer 95*+. I live in a...
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    More info: furnace has 10"x 20" drop with 16"x20"...

    More info: furnace has 10"x 20" drop with 16"x20" filter. 4, 7" flex and one 6" flex returns attached to the return trunk. Just curious if I need more?


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    Least resistant air filter?

    Hi, I just had my Thermal Zone 56k 2 stage variable installed and opted against the media cabinet. Dumb idea I know but I thought my old 67k 92% could handle a 1" filter my new furnace can .... Huge...
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    So I've done a little research and I think the...

    So I've done a little research and I think the Trion Air Bear right angle filter would fit my system best, due to limited clearance to the water heater. So 10"x25" drop with 20"x25"x5" filter??

    ...
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    Wow, didn't know that size was way to small for a...

    Wow, didn't know that size was way to small for a two ton AC, 56k furnace! Now that you brought it up, the blower does speed up quite a bit when i drop the filter in its slot! High fire my unit is...
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    The filter is in the 90* boot right next to the...

    The filter is in the 90* boot right next to the furnace.


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    I know it's not a wall of pride candidate! I've...

    I know it's not a wall of pride candidate! I've seen the work on there and all of you are correct I should have went with the media filter. Copper gas is allowed here and I agree it looks sloppy....
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    I unfortunately decided against the media...

    I unfortunately decided against the media cabinet. Filter is in return boot 16"x20"x1"


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    Here it is! Wall of Pride worthy!? It works...

    Here it is! Wall of Pride worthy!? It works great, very even comfortable heat! It's the Thermal Zone TZ96MDV060B30A! Same as Rheem R96VA! Installers did great work in my opinion. Thermostat is...
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    Well my furnace broke today and it's a bad...

    Well my furnace broke today and it's a bad Honeywell Smart Valve, so I decided not to throw that money into a 12 year old furnace that I'm not happy with. So I'm having a Thermal Zone...
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    My plan is to have the current Armstrong furnace...

    My plan is to have the current Armstrong furnace installed in my 3 car garage and install a 2 stage variable in the house! That's why I'm trying to educate myself on the furnace with the best overall...
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    2100 sq ft split entry, 1050 up, 1050 down with...

    2100 sq ft split entry, 1050 up, 1050 down with walkout! I would show you a you tube video of my house when it was on the market before I bought it but I don't want my address in a public forum! All...
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    Would 1f on t stat make the difference or wind...

    Would 1f on t stat make the difference or wind affect the discrepancy?? I promise that's what I've been getting!
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    Dan, why wouldn't u replace the furnace with a...

    Dan, why wouldn't u replace the furnace with a properly sized one? I just timed a run at 28f odt, 70 t stat setting, results were, 6 min on, 25 off , so as far as my run time of last year at 5f,...
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    I guess I should start using setbacks! Just...

    I guess I should start using setbacks! Just ignorant to the fact it can save money! Warm up here this weekend! 20-30f, furnace hardly runs. T-stat at 71 and feels chilly, except when it is running!
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    No tedkidd, current setup is a single stage...

    No tedkidd, current setup is a single stage furnace. Also I have a programmable stat but I just hold the temp to 71 and don't use the setback feature, personally I don't think setback saves any $.
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    Ok , just timed a cycle! -25*f, 10 mph w wind. ...

    Ok , just timed a cycle! -25*f, 10 mph w wind. 14 min on, 10 min off, stat set to 71.
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    Current setup is 67k, 92.5% Armstrong Air! 2100sq...

    Current setup is 67k, 92.5% Armstrong Air! 2100sq ft split entry with walkout basement! Built 2002!
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    My stat is the 3m-50, it does not work on CPH, it...

    My stat is the 3m-50, it does not work on CPH, it works on temp differential!
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    Ok, -15f now 16mph wsw wind! Still cycling 71*...

    Ok, -15f now 16mph wsw wind! Still cycling 71* indoor temp, t stat set at 1* swing so at 70* it starts a cycle and 71* it ends. I'll have numbers soon!!
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    Hey guys, here in MN we have some record temps...

    Hey guys, here in MN we have some record temps coming Sunday through Tuesday. -27* f for lows actual air temp! Just curious If you would be interested in my furnace run times in those temps? With my...
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    -10 degrees F here right now, system running 10...

    -10 degrees F here right now, system running 10 min on, 12 min off!

    - - - Updated - - -

    Thermostat set to 72!
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    Thanks for all the info, you all have been very...

    Thanks for all the info, you all have been very helpful!!
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    442021 Heres a picture of the current setup. ...

    442021 Heres a picture of the current setup. Hopefully the upload worked! The return is a 10" x 20" drop with a 16x20x1 filter rack and 5 6" flex ducts attached to it. Oh and the HRV is connected...
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    My design temp is -16.

    My design temp is -16.
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    Lowest I've been in the the house is -17, run...

    Lowest I've been in the the house is -17, run times are about 20 min on 20 min off!
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    Oh and how can I add pictures?

    Oh and how can I add pictures?
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    Still haven't replaced my 67k btu Armstrong! But...

    Still haven't replaced my 67k btu Armstrong! But my plans are to put the Armstrong in my 3 car garage and replace the furnace for the house! Still undecided to go with a 60k or 40k!! I still think 40...
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    Furnace Tune Up results!

    Had my furnace tuned up yesterday! Everything went well as the technician seemed very knowledgable. Here are the combustion results.

    CO: 0ppm
    O2: 8.6%
    CO2: 6.9%
    CO Free Air: 0ppm
    Excess...
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    Furnace Tune Up?

    Hello, I'm getting a furnace tune up / inspection tomorrow. Armstrong 92.5% 67k btu about 11 years old. What should I be expecting? What should the technician be looking for? Thanks
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    Thanks for all the responses. I understand the...

    Thanks for all the responses. I understand the contractors wanting to cover their rears on down sizing. This weekend I was at my moms house and she had her thermostat set to 77*, it felt more...
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    York vs. Carrier???

    Hey there! I'm still working on updating my HVAC system! 2100 sq ft split entry in metro area of Twin Cities!! Current system Armstrong 92.5% 67k btu, 2 ton Concept 10! Both 11 years old! Both still...
  37. Need Advice on HVAC for new home purchase!

    I'm looking for some advice for my sister. She just got her offer accepted on a townhouse. It was built in 2007 and has 1700sq ft with 3 different levels plus a half in ground basement. When...
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    BTW my house is a 2100 sq split entry! I'll let...

    BTW my house is a 2100 sq split entry! I'll let you all know which direction I go and how it turns out. Thanks for all your help, much appreciated!
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    My plan was to either go with a Rheem 2 stage...

    My plan was to either go with a Rheem 2 stage variable 45k or Goodman GMVC95 46k.
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    Looks to be fully modulating. 58MN7, Infinity 98,...

    Looks to be fully modulating. 58MN7, Infinity 98, lowest btu is 60k input.
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    Any reason to go with York over Carrier Infinity?...

    Any reason to go with York over Carrier Infinity? Is it more reliable or provide better comfort? I have a carrier dealer coming this week to give me a quote on a Infinity furnace with Infinity...
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    Thanks for your input everyone! I will look into...

    Thanks for your input everyone! I will look into some 60k modulating furnaces and get some quotes! I guess I've never considered one because they are fairly new and I've heard reliability is...
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    I want a furnace that actually runs to keep a...

    I want a furnace that actually runs to keep a slow trickle of heat from the vents. When on for such a short time it isn't that comfortable.
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    It does get much colder than 5*, -15 to -20 on...

    It does get much colder than 5*, -15 to -20 on rare occasions, but with such short run times it seems there's some room to work with, also wind was light around 5 mph.
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    Tight house or oversized furnace?

    Last night while watching TV I decided to time my furnace run times because I'm in the market for a new furnace that I'm thinking about going down in size.
    Results: cycle 1, 5 min 10 sec furnace on...
  46. Thread: 46k in MN

    by Comfy in MN
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    I'm looking for both! With the current system...

    I'm looking for both! With the current system it's either on and comfortable or off and cold!
  47. Thread: 46k in MN

    by Comfy in MN
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    If it can't keep up I have the downstairs gas...

    If it can't keep up I have the downstairs gas fireplace on a thermostat. It's 22k btu nat gas!
  48. Thread: 46k in MN

    by Comfy in MN
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    Will it be bad on the furnace if it runs 24/7? At...

    Will it be bad on the furnace if it runs 24/7? At -15
  49. Thread: 46k in MN

    by Comfy in MN
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    46k in MN

    I've been REALLY doing a lot of research on replacing my furnace and AC system. It's been kind of a long process, but I want the lowest gas bills and electric bill! My current system is a Armstrong...
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    FYI I have a single stage furnace right now but...

    FYI I have a single stage furnace right now but looking to upgrade soon after all my research to get the best comfort /efficiency.
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