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  1. Replies
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    Make sure they set the furnace up "two pipe" - so...

    Make sure they set the furnace up "two pipe" - so it draws combustion air from outside. Also - the 72k btu furnace is BIG for a "small" house in upstate NY.
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    485

    A plugged drain line is a pretty common problem...

    A plugged drain line is a pretty common problem with AC's - and can cause a lot of damage! We have been installing EZ-traps on all of our AC and HP systems for a few years. They are a clear trap...
  3. Ditto - what Earl Said. Make sure a heat...

    Ditto - what Earl Said.

    Make sure a heat loss is done so new unit is not oversized. Consider a modulating boiler like the Bosch Greenstar. You have Cast Iron baseboard that works very nice...
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    Hey neighbor! I would strongly receommend...

    Hey neighbor!

    I would strongly receommend pulling the furnace and installing a dedicated 95%+ model. Would access to natural gas, I would do that in a heart beat!! I work for a fuel oil/heating...
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    709

    Match up of coil and outdoor unit MUST be a...

    Match up of coil and outdoor unit MUST be a documented match. Have your contractor show you the AMANA documented matchup in their literature or thru the AHRI website (third party that rates AC match...
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    Right now 50 - 50 on oil versus LP. LP has been...

    Right now 50 - 50 on oil versus LP. LP has been somewhat cheaper to run with the last couple years, compared to oil - but spiked this past winter, with some availability problems in some areas.

    I...
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    Size the vent correctly to the model and size of...

    Size the vent correctly to the model and size of your unit - look in the manual.
  8. When you did the heat loss/gain manual J - did...

    When you did the heat loss/gain manual J - did you include that the ducts will be in the attic? Makes a huge difference on sizing the system.
  9. I agree - tough situation. Recommended Zoning as...

    I agree - tough situation. Recommended Zoning as the system/building is already done - would help - benefits would depend how bad the system really is and how much duct we have access to.
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    I feel the Tranes are better systems. And I like...

    I feel the Tranes are better systems. And I like the idea of the media air filters. Helps keep the new high efficiency coils and blower clean.
  11. Are the ducts in the attic sealed and insulated? ...

    Are the ducts in the attic sealed and insulated? You could be losing most of your heat there. Very tough to heat 3 levels with one unit/tstat. Look at Arzel Zoning.
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    Start a service plan, so maybe he/she could do...

    Start a service plan, so maybe he/she could do service and cleans in the off season. Around here, heating is our big season and we were always way slower during the summer. We have gradually...
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    If you are replacing it, do not put another one...

    If you are replacing it, do not put another one that size back in. Chances are it is WAY oversized. That is a huge furnace.
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    When they reinstall - they need to have support...

    When they reinstall - they need to have support under both ends of the furnace AND the middle - where the seam of the two doors are. So - THREE total supports! And those supports should run the...
  15. Thread: Mini splits

    by edbrown
    Replies
    29
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    1,462

    No traps in the drain, even a slight one (vinyl...

    No traps in the drain, even a slight one (vinyl or pvc) will cause the condensate to back up into the unit. If we have to run horizontal or a long run, we upsize the drain to 3/4" PVC to prevent...
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    636

    I dont have my books, but those look like ducted...

    I dont have my books, but those look like ducted units? I have quoted the Mitsu a couple times, but have not gotten the jobs. They tell me that those unit have very little static to work with -...
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    270

    We install media filters (Aprilaire) on almost...

    We install media filters (Aprilaire) on almost all of our 90% furnace installs - to keep the blowers/coils clean. As long as air is moving thru them - they are working. If the H/O has allergies or...
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    Yeah, typically a 80 degree A or B nozzle. >60...

    Yeah, typically a 80 degree A or B nozzle. >60 or .65 is usually more than enough. Make sure you use Kerosene in the outside tank, when ODT is below freezing.
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    pictures!!!!

    pictures!!!!
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    how about pic of the furnace? That control was...

    how about pic of the furnace? That control was on units WAY before blinking lights!
  21. let us/me know what air to water system you find...

    let us/me know what air to water system you find out there. I have never looked at those options, but have been very successful with the Mitsu air to air HP's ./
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    In your case a MHK-1 remote mount TSTAT would be...

    In your case a MHK-1 remote mount TSTAT would be the best. Gives full control like a thermostat. See link. http://www.mitsubishicomfort.com/en/consumer/product-solutions/product-showcase/controls
  23. Radiant allows for low water temp - which equates...

    Radiant allows for low water temp - which equates to high efficiency. fin tube baseboard must have much hotter water temp, lowering your efficiency of the system. I recommend going with radiant on...
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    Many of the Mitsu's have a 7 degree offset built...

    Many of the Mitsu's have a 7 degree offset built into the board. Either set the TSTAT where it is comfortable and forget the number (warmer or colder) OR their may be an overvride on the board. ...
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    We need pictures!!! Unbelievable that this high...

    We need pictures!!! Unbelievable that this high end equipment is installed this poorly.
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