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  1. Thread: SAW DUST!!!

    by amd
    Replies
    5
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    442

    He should get a good dust collection system if...

    He should get a good dust collection system if there isn't one and look into a standalone air cleaner to get the dust down to begin with.

    Washables generally aren't good enough to take out fine...
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    5,860

    Well, it drains, doesn't it?

    Well, it drains, doesn't it?
  3. Replies
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    3,746

    ^Without the subsidies they wouldn't be doing it.

    ^Without the subsidies they wouldn't be doing it.
  4. Hint 1: If you're using an exhaust fan for...

    Hint 1:

    If you're using an exhaust fan for cooling, humidity isn't a factor, so disregard the latent part of the manual j.

    Hint 2:

    What are your design temperatures?

    The lower the delta-t...
  5. Replies
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    If alternative energy was viable, you would think...

    If alternative energy was viable, you would think that fossil fuel suppliers would get into the business. They could buy up, put install solar arrays, and sell the energy at a huge profit.
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    Solar is a pain in the neck for utilities because...

    Solar is a pain in the neck for utilities because there's no way to control the output - you can't depend on the power when you need it, but you've gotta buy it when it's produced under contract.
    ...
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    Basic things to know about two stage furnaces: ...

    Basic things to know about two stage furnaces:

    1. They have the ability to run at 60-70% capacity. The gas valve in two stage furnaces supplies gas to the burners at a lower pressure on low.

    2....
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    ^I'm no fan of ul actually -> selling an alarm...

    ^I'm no fan of ul actually -> selling an alarm which only goes off at 70ppm is crazy, but at least the better models display lower levels, right?

    I know that they've done similar things with smoke...
  9. Replies
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    1,206

    The cheapest kidde alarm on the market has an...

    The cheapest kidde alarm on the market has an electrochemical sensor: http://www.kiddecanada.com/utcfs/Templates/Pages/Template-53/0,8062,pageId%3D2725%26siteId%3D463,00.html

    Care to explain?
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    ^I don't think pressure has anything to do with...

    ^I don't think pressure has anything to do with it though - condensers run at much greater pressure than evaps do, yet leaks are rare, right?
  11. Replies
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    485

    Man, why does vb4 suck so much? The search in vb3...

    Man, why does vb4 suck so much? The search in vb3 worked great.
  12. Replies
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    485

    Google only finds things on the open forums...

    Google only finds things on the open forums anyhow. My things have been moved around.
  13. Replies
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    485

    Searching this board using google.

    Hi,

    I've found that ever since the software upgrade, the internal search doesn't always pick up all the threads it should and list them in the right order.

    Somethings I use google instead - ie...
  14. You can calculate heating BTUs more easily on the...

    You can calculate heating BTUs more easily on the water side; mass flow rate and temp differential required.

    I think accurately measuring cfm is tricky.
  15. Thread: Insulating 90's

    by amd
    Replies
    12
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    871

    Keep the ductwork out of the damn attic - then...

    Keep the ductwork out of the damn attic - then you won't have to insulate 90s. :p

    Such installs should be illegal.
  16. Replies
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    Try Hot2000 - simulates energy performance but...

    Try Hot2000 - simulates energy performance but also calculates load.

    Not a professional opinion:

    I can see a new, tight 2400 sq ft house built with r-20 walls only needing 42 000 btu/hr of...
  17. There's a video online of a guy testing sealants...

    There's a video online of a guy testing sealants in a sealed jar with water and refrigerant - the sealant never solidified; was just white goo.

    I would post it but youtube is frowned upon on this...
  18. Replies
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    3,594

    Why not just insulate the damn duct? I would have...

    Why not just insulate the damn duct? I would have been less work.
  19. If they go through with this, a lot of...

    If they go through with this, a lot of contractors in the south are going to start illegally importing cheaper 13 seer units from the north, and vice versa with furnaces.

    I read that they dropped...
  20. Replies
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    803

    nah - let 'em freeze; the players and spectators....

    nah - let 'em freeze; the players and spectators. Outdoor heat is stupid. :p

    Want to be warm? Go to an indoor event for god's sake. :rolleyes:
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    Sorry to burst your bubble, but if it's outside -...

    Sorry to burst your bubble, but if it's outside - what a waste! Seems as if people are very adept at finding new ways to waste energy when we need to do the opposite.
  22. How much do you get payed per kwh? Is it the...

    How much do you get payed per kwh? Is it the market rate or are there subsidies down there? (meaning it's done at the expense of others ;) )

    Financially there might be a good reason to go solar in...
  23. "Green Illusions is an environmental book that...

    "Green Illusions is an environmental book that pioneers a critique of clean energy, arguing that concerned citizens should instead focus on walkable communities, improved consumption, governance, and...
  24. Green illusions - if you're for solar energy, watch this...

    http://www.youtube.com/watch?v=--OqCMP5nPI

    <iframe width="560" height="315" src="http://www.youtube.com/embed/--OqCMP5nPI" frameborder="0" allowfullscreen></iframe>
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    There's one called r22(insert proper letter here...

    There's one called r22(insert proper letter here ---> x<---) which is sold in Canada. I think it's basically propane. :eek:
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