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Type: Posts; User: aemeeich

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  1. Replies
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    Propane is a refrigerant - R290, so it follows...

    Propane is a refrigerant - R290, so it follows the pressure/temperature rules that all refrigerants follow.

    As long as there is some amount of liquid in the tank, the pressure depends on...
  2. Current AHAM rating standards for all...

    Current AHAM rating standards for all dehumidifiers (portable and whole house) are at 80F and 60%RH.

    I maintain 71 41% in my 1890's stone foundation basement in SE WI using a 65 pint Perfect...
  3. I just went through this same thing earlier this...

    I just went through this same thing earlier this summer. I live in SE WI and have always used 2 portable dehumidifiers in my unfinished basement. Boiler room, and 2 adjacent rooms (800 sq ft) were...
  4. Thread: hot tub

    by aemeeich
    Replies
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    1,358

    I built my own hot tub back in 2005. I used 1x6...

    I built my own hot tub back in 2005. I used 1x6 cedar that I tapered, beveled, and tongue & grooved. Then I cut up a 15' pool liner into the 66" diameter bottom and glued it back together to fit...
  5. Replies
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    3,807

    The main difference is modulation. Even a...

    The main difference is modulation. Even a properly sized CI boiler is oversized every day of the season except for the few hours at design temp. And that's assuming you can even get a CI boiler...
  6. Replies
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    3,807

    There are a couple of reasons a mod/con will save...

    There are a couple of reasons a mod/con will save more than the 10-12% the AFUE would suggest.

    First, as others have said, AFUE isn't a great measure of the true efficiency of the system. It...
  7. Replies
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    2,095

    Your size comparison is a little bit off. Two...

    Your size comparison is a little bit off. Two 1/4" hoses are actually only half the area of a 1/2" hose.

    The cross sectional area of a 1/4" hose is 0.49087 sq in.
    Therefore two 1/4" hoses would...
  8. Replies
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    1,391

    A modulating valve on the water side of a system...

    A modulating valve on the water side of a system can cause problems in some piping setups. First of all, baseboard will put out pretty similar outputs over a very broad range of flow rates. You...
  9. Replies
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    698

    Not to be picky, but you don't have a furnace. ...

    Not to be picky, but you don't have a furnace. You have a boiler. A furnace blows hot air though ducts, a boiler heats either water or steam.

    The NTI Ti150 is a modulating condensing boiler. ...
  10. Replies
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    1,818

    The humidity offset setting won't work in my case...

    The humidity offset setting won't work in my case because the error in humidity display on my stat isn't linear. At lower temperatures its correct, but at higher temperatures it's wrong. Changing...
  11. Replies
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    1,818

    Correct - The remote sensors need to be in a...

    Correct - The remote sensors need to be in a series/parallel configuration in order to maintain the resistance characteristics that the stat sees.

    So you would need either 1, 4, 9, 16, 25, 36,...
  12. Replies
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    1,818

    I just put in a IAQ stat at my church and it is...

    I just put in a IAQ stat at my church and it is doing the same thing as yours, although not quite as bad. When the AC is running, and the temperature in the space is below 74 degrees, the humidity...
  13. Replies
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    1,563

    I suspect that the radiator fan clutch needs to...

    I suspect that the radiator fan clutch needs to be replaced.

    A thermal fan clutch changes the speed of the fan based on the temperature of the air coming through the condenser/radiator. When...
  14. I use Firefox, and the links here still don't...

    I use Firefox, and the links here still don't change colors. They do on every other site I visit though, so it is something specific with hvac-talk. I remember for a while they did change color,...
  15. Igniters do occasionally go bad. They don't...

    Igniters do occasionally go bad. They don't regularly fail though.



    If the boiler starts right back up as soon as you add water, that's not the igniter causing problems. It is the LWCO,...
  16. Replies
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    1,398

    I would recommend a heat pump mini split that is...

    I would recommend a heat pump mini split that is based around an inverter compressor. This technology is very efficient - 20 seer for some brands. They also modulate their capacity so that they are...
  17. Replies
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    1,236

    That heat loss of 166000 seems too high to me for...

    That heat loss of 166000 seems too high to me for new construction. It works out to be 29.9 BTU/sq ft. As a comparison, my 1890's farmhouse with 1964 remodel has R13 walls, R19 ceiling (soon to be...
  18. Replies
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    1,680

    The new Honeywell TrueZone panels (HZ432 and HZ...

    The new Honeywell TrueZone panels (HZ432 and HZ 322) can be set up for one of three different options - 2 stage thermostat, % of zones calling, or timer.

    It also has a setting to downstage if the...
  19. Replies
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    2,166

    You are correct da_poppa - only steam systems...

    You are correct da_poppa - only steam systems should be sized by connected load. Water systems should be sized by actual heat loss.

    Many older houses are "over-radiated" now because of...
  20. Washing an exterior wall with conditioned will...

    Washing an exterior wall with conditioned will actually lead to higher heat transfer and thus increased fuel costs. Heat loss is driven by temperature difference. If it is 70 degrees outside, and...
  21. Replies
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    755

    I would still get the plasma and it would be the...

    I would still get the plasma and it would be the Pioneer 4280HD.

    In my opinion, the Pioneer models are the best looking and their pricing has come down alot recently to be close to other...
  22. Replies
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    755

    Here is a post I made this past sumer - with some...

    Here is a post I made this past sumer - with some new changes added.
  23. Replies
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    762

    The Truezone system uses regular thermostats for...

    The Truezone system uses regular thermostats for each zone. They can be single stage stats, or multi stage - the zone panel can be configured to work with either type. Thus it has the standard...
  24. There is more to be saved than just the 10%...

    There is more to be saved than just the 10% indicates.

    The source of combustion air is not figured into the rated efficiency numbers. However, this is a big additional savings for the 90% unit....
  25. Replies
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    711

    Definitely replace it. Old high-mass boilers...

    Definitely replace it. Old high-mass boilers running at partial loads are very inefficient. Since you are on gas, go with a mod/con boiler. They operate at up to 98%. Your gas bills will drop...
  26. Replies
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    1,970

    US - 84.31 21mi 237 sec ...

    US - 84.31
    21mi
    237 sec

    European - 78.37
    75km
    249 sec
  27. Replies
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    1,353

    My suggestion is to put in the traditional ducted...

    My suggestion is to put in the traditional ducted system in the attic for the main floor. As of right now there are no traditional central air condensers that can run multiple evaporators.

    Then...
  28. Replies
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    2,341

    Just curious, what kind of problems were you...

    Just curious, what kind of problems were you having with the Samsungs? I was thinking about starting to install them. If you don't want to respond here, please email me at (my username...
  29. Thread: floor heat

    by aemeeich
    Replies
    6
    Views
    656

    It could work depending on the heat loads...

    It could work depending on the heat loads required and the amount of insulation you used while building the floor. Did you insulate under the slab or around the perimeter? This will make a big...
  30. Replies
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    3,314

    My 96 Saab 9000 has a 2.1 ton system. My 00...

    My 96 Saab 9000 has a 2.1 ton system.

    My 00 Saab 9-5 AERO is probably right around the same capacity. (but I haven't found a number).

    That 5k window shaker will never make a difference in...
  31. Thread: Plasma Or LCD

    by aemeeich
    Replies
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    744

    Below is a post that I made back in June.

    Below is a post that I made back in June.
  32. Replies
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    1,029

    I would say stay with cable and change to a...

    I would say stay with cable and change to a digital package with the soccer channels you want and get boxes for whichever TV's you want to watch the premium content on. This way you still will be...
  33. Replies
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    886

    I am not very familiar with these units either. ...

    I am not very familiar with these units either. But I think what is happening to your system is that the inverter compressor is ramping down to a lower capacity to maintain the setpoint. When this...
  34. Replies
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    1,904

    As skippedover said, this is the perfect...

    As skippedover said, this is the perfect application for a mini split. However, a ceiling mount unit won't work because they are not made small enough for your room. The smallest ceiling mount unit...
  35. Go with an inverter based mini split heat pump. ...

    Go with an inverter based mini split heat pump. Most likely 15k or even 18k BTU. These units have the ability to modulate the capacity up and down to exactly match the current load, so they run...
  36. Replies
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    1,285

    Below is a post that I made at the beginning of...

    Below is a post that I made at the beginning of the month.
  37. Replies
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    516

    The 9RLQ has an inverter based compressor. This...

    The 9RLQ has an inverter based compressor. This means that it is variable capacity. It will modulate from 3,600 to 12,000 BTU in cooling. It is more expensive than a regular cooling only unit, but...
  38. Replies
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    712

    There is alot of flat out wrong information in...

    There is alot of flat out wrong information in this thread. Each different technology has its own benefits and minuses. You have to decide what characteristics you need in your situation.

    A good...
  39. Replies
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    874

    How about run conduit - either metal, or the...

    How about run conduit - either metal, or the black plastic. Then you can pull through whatever you want in the future.

    When my dad remodeled his (now mine) house in the 60's, he ran everything...
  40. Replies
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    1,047

    The other thing to realize is that these mini...

    The other thing to realize is that these mini splits are variable capacity. This means that you don't have to worry as much about oversizing because the unit will only run at exactly what is needed...
  41. Replies
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    1,234

    I second the Hofbrau Haus recommendation. Good...

    I second the Hofbrau Haus recommendation. Good strong bier. Spent the first time or two there staggering out when we left since I wasn't used to how strong the beer is. My favorite there is the...
  42. Thread: CO Poisoning?

    by aemeeich
    Replies
    5
    Views
    529

    If you read the description, it says that the...

    If you read the description, it says that the exhaust isn't pumped into the vehicle. The hose that you hold on to is actually sucking air in (vaccuum). The exhaust passing through the device on the...
  43. Replies
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    2,522

    A possible reason would be because of the high...

    A possible reason would be because of the high current running through the relay in the line voltage thermostat creates heat. This heat (could be small, could be large depending on how the internal...
  44. Replies
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    542

    It possibly could be that the fan was cycling...

    It possibly could be that the fan was cycling based on a low ambiant control. The unit is servicing an area that needs cooling year round - computer room, operating room, medical equipment room,...
  45. Replies
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    1,977

    As others have said, a house with high...

    As others have said, a house with high infiltration will be a dry house. I live in a 1800's farmhouse that was completely remodeled in the 60's. It has decent insulation now, but the house is not...
  46. The first thing that came to my mind when reading...

    The first thing that came to my mind when reading your original post was that there could be leaks in the duct work. This is one reason that I don't like the idea of package units - especially when...
  47. Replies
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    1,086

    Outdoor reset should always be used for in slab...

    Outdoor reset should always be used for in slab heat - particularly in new, highly insulated houses. It is also beneficial to almost every other type of system as well.

    I have been in lots of...
  48. Replies
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    977

    If you use a condensing boiler coupled to...

    If you use a condensing boiler coupled to "oversized" water coils, the heat supplied by the two air handlers won't be any more efficient than a 93% efficient furnace, however where you will pick up...
  49. Replies
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    977

    Depending on the Viessmann boiler selected, it...

    Depending on the Viessmann boiler selected, it could be way more efficient than using a water heater. If it is the Vitodens 200, that is a modulating condensing boiler. This boiler (along with...
  50. Replies
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    719

    've tried using the $20 gizmos and they've never...

    've tried using the $20 gizmos and they've never worked for me.

    My dad just came up with a new way of finding the bad bulbs. He's an electrical engineer and uses a high potential tester for...
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