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  1. Mitsubishi - Fujitsu Ductless - Minisplit - Hey I screwed up

    Have any HVAC professionals found the secret to preventing squirrel cage fan clog on Mitsubishi and Fujitsu mini-splits? Replacing the fan from plastic-composite (and eliminating the accompanying...
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    Thanks for the reply. You are not that far from...

    Thanks for the reply. You are not that far from me. I was hoping to get some other feedback and opinions on the need for preventive maintenance on ductless units.

    I just spoke to the...
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    Ductless Minisplit Cleaning Opinions

    I have (5) outdoor and (7) indoor units in a residence. They have run well and are reliable. Mitsubishi and Fujitsu

    Question: Is it worthwhile having a deep cleaning done on the inside and...
  4. Thanks to all for the feedback. Denyer thanks...

    Thanks to all for the feedback. Denyer thanks for your tips.

    Has anyone tried something like spraying Cal Shield on the fan? Technician suggested it and he sprayed one with and one without....
  5. Thanks. No smoking. We do have a cat.

    Thanks. No smoking. We do have a cat.
  6. Thanks. We don't consider these as high traffic...

    Thanks. We don't consider these as high traffic areas.
  7. Thanks Spide. That's what I'll be doing. They...

    Thanks Spide. That's what I'll be doing. They have done many minis and are a Mits black diamond dealer. Any ideas on how to prevent the buildup, and does it reverse during heating season?

    I...
  8. Thanks, Not sure how this photo comes out. The...

    Thanks, Not sure how this photo comes out. The filters fit as they should in the groove. My lighting may not have been good enough

    418901
  9. Thanks for the reply, I have normally cleaned...

    Thanks for the reply, I have normally cleaned them every couple months or less. I typically vacuum them and every other time wash them.
  10. Wow, no help, or no one has ever run into this...

    Wow, no help, or no one has ever run into this squirrel cage crud buildup problem before on mini-splits?

    Is there any treatment on fan or filters that will minimize the buildup? How necessary...
  11. Costly maintenance consideration for those installing ductless or minisplit.

    A costly problem with accumulation of crud on the squirrel cage fan in my ductless mini-splits is something Iíve not ever seen discussed on this forum, nor have I seen or heard it mentioned by...
  12. Thanks and appreciate the info. I was...

    Thanks and appreciate the info.

    I was looking for any feedback by those who had experience or customers or who might have had similar questions about the "dry mode" because it doesn't work in a...
  13. Fujitsu mini split Dry Mode fails to dehumidify in basement setting

    I have a Fujitsu 15RLQ mini split located in a 1500 sq ft walk-out basement. I attempted to use it in "dry" mode this summer and it did not reduce humidity nor did it produce any condensate. I...
  14. Electric hot water heater used as indirect storage?

    I was told by an HVAC contractor who was selling a late model boiler that my electric hot water heater can be piped and used as optional indirect hot water heater storage? Is this even feasible and...
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    As a comment to this thread I have a ranch of...

    As a comment to this thread I have a ranch of 3400+ sq ft first floor partially on slab with a 1500 sq ft walk out basement. I have two York (3 & 2.5 ton) central AC attic systems that have worked...
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    "What would have been installed was a high...

    "What would have been installed was a high efficiency boiler. How would have been by what ever piping modifications they had to make. Why, would be to make money for them, and install a money saving...
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    I'm probably totally wrong on this but this is...

    I'm probably totally wrong on this but this is just my interpretation of the HVAC business not really based upon experience, but based upon lurking and learning here from others.

    The concept of...
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    If you don't mind I could use some clarification...

    If you don't mind I could use some clarification too.

    I was thinking of having my older 34 yo boiler (550+ stack temp) replaced with the expectation of reducing oil consumption. Based upon...
  19. Thanks for the suggestions. It is mounted on an...

    Thanks for the suggestions. It is mounted on an outside wall. The installer rechecked that hole but it had been thoroughly foamed. I will look at the wall temp. in that location.

    Have you (or...
  20. Is it appropriate to provide location and name of...

    Is it appropriate to provide location and name of installing company?

    Obviously you are a discriminating and educated customer and those are the ones most of us prefer to receive our...
  21. Fujitsu 15RLQ ductless mini split hardwired remote control opinions

    I have a Fujitsu 15RLQ mini split that was installed this fall that does not hold consistent room temperatures. Typically I experience up to 6 degree fluctuations, and in HP mode they are always...
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    Thanks. My original post was confusing. I know...

    Thanks. My original post was confusing. I know pellet stoves take electricity. I was looking for a brand that users have found to be at least semi reliable.

    My house leaks because it has a...
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    How trouble free are the pellet stoves?

    I'm considering getting a pellet stove insert for my 1st floor LR fireplace because I want to feel warm at less cost. Are these units relatively trouble free?

    I now have a 5700 Quadrafire in a...
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    Ductless recharge in cold weather

    Can a ductless be satisfactorily recharged in cold weather? If the refrigerant spec capacity is 2 lb - 9 oz is that what the tech should pull out and then reinstall? Refrigerant lines are about...
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    PA PPL pricing change

    Nothing to do with PECO, but PPL has just started a new time of day pricing plan in January 2011 that will be significantly cheaper - meaning about .06 kwh off peak, .07 kwh peak (5-7PM winter) and...
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    crmont...Thanks, for the input and suggestion. ...

    crmont...Thanks, for the input and suggestion. It definitely gurgles at times other than defrost. I was wondering if Roadking who appears to have the same unit (15RLQ) and if the inability to hold...
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    Roadking321 Do you have the Fujitsu 15RLQ? I...

    Roadking321 Do you have the Fujitsu 15RLQ? I had one of those installed in a master bedroom. I haven't been overly impressed with it as my electric bill went up about 385kwh in Dec (compared to...
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    A computer output is only as good as the inputs. ...

    A computer output is only as good as the inputs. You need a copy of the inputs to verify if it is based upon garbage or reality. Lots of potential mistakes can be made inputting dimensions and...
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    Thanks. I was interested in how the single...

    Thanks. I was interested in how the single splits worked on cold single digit days with prolonged cold. Sometimes the marketing brochures aren't totally honest.

    Daikin (Quaternity) and...
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    Mini split ductless cold weather performance

    Does anyone have any experience on the cold weather heating performance of mini splits, especially if a backup heat source is not provided?

    The mini-splits are typically rated as having a rated...
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    Good point. Both the inspector and previous...

    Good point. Both the inspector and previous home owner share responsibility. The question is ..is it worth the aggravation and cost to go after them since the problem is a touch subjective?
    ...
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    maintenanceguy - There are advantages to doing...

    maintenanceguy - There are advantages to doing your own material procurement (in commercial) as it forces the customer to understand the scope of the job. I worked as an engineer at a large co....
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    Thanks for the replies and opinions. ...

    Thanks for the replies and opinions.

    bmatthews...I agree 100% with what you say. You are correct that one of my ideas was to get a multi (2)indoor wall unit Mitsu or Fuji mini on line and pay...
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    I should have said I've done it both ways. ...

    I should have said I've done it both ways. I've had contractors that prefer that I be responsible for purchasing all or most of the material. They want paid for only their time. I agree T&M...
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    Opinions - Time and Material Bid

    Opinions wanted from contractors. In the past I've used both fixed price and time and material bids to get work done as a homeowner and in business. It was work that I didn't feel confident doing...
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    Best Practices - Ducted and Ductless

    I've lurked around this forum for several years reading posts from experienced and knowledgeable contractors, and questions from concerned homeowners.

    I have come to the conclusion that a generic...
  37. Trends: Are mini-split/VRV ducted or ductless systems in new construction increasing?

    Do any of you guys see an increase in the use of ductless, slim duct or vrv multiple mini-split type configurations in conventional new construction with the use of wall units and or with ceiling air...
  38. Negative Envelope Pressure & Radon Mitigation

    Will the use of under slab radon mitigation typically reduce any negative building envelope pressure (thus increasing relative envelope pressure) and improve indoor air quality, reduce humidity,...
  39. I haven't seen anyone who touts the LG units...

    I haven't seen anyone who touts the LG units around here. Seems that Fujitsu and Mitsubishi are the more common brands. I like the looks of the LG indoor unit in place of that cheap generic off...
  40. My primary considerations are a competent...

    My primary considerations are a competent contractor and an efficient system and the ability for the system to do humidity control, air filtration, deodorizing, operate very efficiently, quietly,...
  41. Thanks for you comments. When you say that...

    Thanks for you comments. When you say that construction may be a culprit in mold issues with such a floor plan, what would be your specific concerns or recs? A primary concern of ours is having...
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    Poll: My opinion is worth only what it costs. I'm not...

    My opinion is worth only what it costs. I'm not an HVAC expert, just a homeowner. I'm now deciding whether to go mini-splits in place of an existing central ducted system in a ranch with a 3300...
  43. Thanks for taking the time to reply. I'll...

    Thanks for taking the time to reply. I'll consider and appreciate your suggestions. My return plenums and trunks are the older 1" low R ductboard. It looks like there may be mold embedded in the...
  44. Hate to bump my own thread but thought I'd try...

    Hate to bump my own thread but thought I'd try again and clarify questions to get some opinions. Not looking for details just your experience and opinions. Thanks.

    1. Do the mini splits heat...
  45. Opinions on Mini Ductless Splits in Larger Ranch

    Three year lurker - first time poster. Sorry for the length.

    I am looking for some real world opinions on the use of multiple mini-split HP systems as primary heating and cooling in multi room...
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