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  1. Anybody out there have any experience with the...

    Anybody out there have any experience with the Goodman mini split?
  2. Also, I allready have a hole through the wall...

    Also, I allready have a hole through the wall where a woodstove used to go. I would need the indoor unit to mount to the right side of the hole. Do all units have the wires etc. coming in to the...
  3. NO, the ceiling is 1 ft thick concrete which is...

    NO, the ceiling is 1 ft thick concrete which is why I can't get ductwork down there from upstairs.
  4. Wanting to instal mini split - need advice

    I'm wanting to install a mini split system in a basement apartment. There is one large room and two bedrooms. Large room is about 600 sq ft. Bedrooms 300 and 400 sq ft. I would like to just install...
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    It's loudest at that one return. Apparent but not...

    It's loudest at that one return. Apparent but not really bothersome at all the others. Unfortunately that return is in my bedroom/office where I spend most of my time. Ouch. Or at least used to spend...
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    Anybody out there have an old 30 year old 150...

    Anybody out there have an old 30 year old 150 BTU????? That one did the job just fine! So much for advanced technology in an unadvanceable enviroment!
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    I'd say the duct from the grill to the box is 4...

    I'd say the duct from the grill to the box is 4 to 5 ft. Harmonic frequency is exactly what it sounds like but onlt through the ducts. Standing next to the furnace it's not an issue. If it gets worse...
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    OMG

    Oh no!!! So by fixing it, I broke it!! Jeez!!! This is driving me nuts. Yes, he sealed everything up super tight and my attic is now 74 degrees instead of 100 plus. Thats what the other contractor...
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    whine,whine, whine

    O.K. a friend helped me remove the grills. Still got this awful high pitch whine at high speed blower. Tracking it down it seems to be loudest at the back of the furnace towards the return duct side....
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    Whine

    Got those covers back on. Thanks again!!!!! Now about this whining. (no not me, the furnace!!!!!) On low speed all is fine. When it switches to high speed it gets this high pitched whine. Most...
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    Well spotted

    Thank you advanced response. You are right. I found them laying on the bottom of the furnace. Can I put those in myself? Anything to be careful of?
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    pics

    Here are some pics. I don't know if you can enlarge them to see the details: My worries were the flame seems to have a lot of red and orange in it and it looks with my inexperienced eye to kinda run...
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    Update:

    Hey guys,
    O.K. The original contractor sent a man out yesterday to replace my furnace with the 90. He dropped the "cap the valves" idea thank goodness.
    It was all very interesting. I got to...
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    Variable speed

    What I read about the variable speeds sounds kinda complicated for my house. It seems that they operate a lot off of memory or recorded temperature situations in the home. I would think my solar heat...
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    Final verdict

    Single Mom - kid going to college next year - really need to try to avoid any more debt. So how about this plan:

    Everybody agrees the 140 is too big.I don't think leaving it in and capping it...
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    Yes. the downstairs lags behind about 3 degrees...

    Yes. the downstairs lags behind about 3 degrees but that is in a big room with only one vent so understandable. Also it's mostly underground and the part that doesn't heat well is the part thats not...
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    yes it does - there is only one

    yes it does - there is only one
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    Contractor one just now wants to cap a few valves...

    Contractor one just now wants to cap a few valves and call it job done, Jeez I'm sick of this. Is this a proper fix? Whats a helper duct?
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    Cool, Thanks!!!!!! I can process that. Lot's to...

    Cool, Thanks!!!!!! I can process that. Lot's to think about and digest. It's never easy. Thanks a lot!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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    Blonde guys. Sorry. Doesn't work for me. Not sure...

    Blonde guys. Sorry. Doesn't work for me. Not sure what you mean by old and new and couldn't work that equation anyway. Hah Thanks for trying. I really do appreciate the help. Your comments are great...
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    gotcha so gotta put the 90 in first. Then take...

    gotcha so gotta put the 90 in first. Then take new measurements is that correct? To determine if the 90 is then going to work. Nothing we can do beforehand . Do I have that right?
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    It's my old AC that went with the 155 BTU...

    It's my old AC that went with the 155 BTU furnace. It works and I rarely use it so didn't want to go to the expense of changing it right now if I didn't have to. I hate AC and only use it on the...
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    Does the 1.2 static pressure not sound right? I...

    Does the 1.2 static pressure not sound right? I did wonder if he was taking that at low fire or high? I said something but........just got a "we're not stupid look." But the furnace hadn't been...
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    He said the total static pressure was 1.2 the CFM...

    He said the total static pressure was 1.2 the CFM on the heating was 680 to 700. The AC is 5 ton which he said would be rated 2000CFM. All greek to me........

    As for the other questions I do have...
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    Update

    New guy came out. Checked temp and static pressure. Said static pressure was way too high. Thought the returns were sufficent but furnace not able to move enough air through the vents. He said I...
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    oops

    Sorry about prices. Didn't know. Thanks for heads up.
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    My certaincomfort guy couldn't get out today. We...

    My certaincomfort guy couldn't get out today. We had a terrible snowstorm.
    Expecting more tonight. So no answers there yet.
    1st(original) contractor called and wants to put in a Goodman 80% 90BTU...
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    Wow

    Those are scary pictures!!! So much for the infinity. Anyway, last night my furnace shut down at around 6 PM then came back on as usual around 8pm. Then again in the middle of the night I woke up to...
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    Yes there is 2 humidifiers - one works when the...

    Yes there is 2 humidifiers - one works when the furnace is running and the other is set to run with a humidistat control when just the fan is running.Being semi solar on real sunny days the furnace...
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    Whoops

    Pics didn't come out. I'm going to try for another contractor. Not holding my breath.
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    I can't thank you guys enough for perservering...

    I can't thank you guys enough for perservering with me. I'm gonna try to add some pics and yes a lot of my house is underground. It's one of those built in the 60's, semi solar, partially underground...
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    I give up

    No BPI contactors within 150 miles. Bummer. My furnace quit working completely last night, will only blow cold air and the thermostat off switch won't stop it from blowing. Furnace gone wild!!!! Its...
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    It is KY

    and oh yes I did have another contractor out from what was supposedly a very good company. He poo pooed the load calc. said the 140 should be about right from his rule of thumb - said I needed more...
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    Carrier infinity 80% 90 BTI

    Contractor came today and wants to replace my 40 with a 90 BTU. He'll do that at no charge. But he suggests I go with the carrier infinity 80% 90 which he says will do a better job with the lower...
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    O.K. so I'm meeting with the contractor in the...

    O.K. so I'm meeting with the contractor in the next few days. He wants to put in the smaller furnace and is coming to discuss the details. Right now my house is 72 degrees, the attic is 94.8 degrees...
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    There is a return with a small vent under it and...

    There is a return with a small vent under it and also a return from the attic. (furnace is in a small room and there is another room right next to it that heats up as hot as the furnace room and...
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    This is some info the tech gave me: 1 stage-run...

    This is some info the tech gave me:
    1 stage-run 7 min G-pres 5 wc in 88 degress out 158 degrees 70 degree max
    2nd stage - run 5 min 9 wc in 93 degrees out 172 degrees total 79 degrees max 70 ...
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    O.K. Original contractor did not do a load calc...

    O.K. Original contractor did not do a load calc at the beginning just put in a 140 when previous had been 155. It really is over 100 degrees in the attic when the furnace has been running hard. His...
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    Same contracter

    Yes, it is the same contractor that installed the 140. When I called him about the furnace shutting down all the time, thats when he decided to do the load calc. The duct work is all pretty easy to...
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    Wrong furnace??????

    Last year my 155BTU Amana furnace "died" after 25 years. I had a contractor come out to put in a new furnace. He put in an amana 140. It seemed to work OK last year but this year it's been acting...
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    Thanks!

    Thanks for all your help!! It's greatly appreciated.
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    are these cracks

    I haven't seen a crack just the rust spots seen with the see snake. Is rust a sure sign of a crack? I'm so confused.
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    Thanks for all your help. It seems quite a...

    Thanks for all your help. It seems quite a confusing saga. I have one more guy coming Tuesday who works for himself and has his own business. Maybe he will at least take the time to do a proper work...
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    Too true

    They did use a see snake but what they showed me was very unconvincing to say the least and although the second guy told me there was no warranty the first guy did tell me that they were under...
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    New guys opinion

    Well, the new guy that I was told was going to do the combustion analysis showed up with that HEAT spray. When I told him his office had said he would do a combustion test he said that really...
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    Thanks for the info

    I've got a company with a combustion analyzer coming tomorrow. Has anyone had any experience with this H.E.A.T. that you spray into the blower? Do you feel it is accurate and definitely means there...
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    Too many bad heat exchangers?

    Hello,
    I'm new to this forum and could really use some help. I own 7 rental properties between 4 and 15 years old plus my own home. Last year I had a problem with an 8 yr old rental (not heating up...
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