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  1. Replies
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    Good luck to you. Hope it's not too bad. Got...

    Good luck to you. Hope it's not too bad. Got family in Ft. Myers, Tampa, Orlando & Jacksonville.
  2. "Are Mitsubishi mini split worth it’s weight I...

    "Are Mitsubishi mini split worth it’s weight I gold?"

    I hope not. At 30 lbs that would be over $600,000.

    You're going to have to remove pricing from your post, it violates forum rules.
    The...
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    I feel the same way, plus they are pricey. I'd...

    I feel the same way, plus they are pricey. I'd love for the supply houses near me to have a complete display of them so I can size them up. I'd probably get one.
    I've been getting by just fine...
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    Seems like MIT comes out with amazing technology...

    Seems like MIT comes out with amazing technology that all of a sudden disappears.
    About 10 years ago they had an article about 2 students inventing a smaller nuclear power plant that can't melt...
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    507

    M12 hex head. Get a 3/8” hex shank, or step bit...

    M12 hex head. Get a 3/8” hex shank, or step bit with hex shank. I usually have the nut driver in so I drive a self tapper first, switch to a drill bit. Makes the drill bit last longer and doesn’t...
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    Sorry about the passing of your boss.

    Sorry about the passing of your boss.
  7. Replies
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    366

    People blow. The judge should laugh at them and...

    People blow. The judge should laugh at them and toss the case. They stayed almost the entire time, now want their money back.
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    500

    That filter in general is bad for your system.

    That filter in general is bad for your system.
  9. Replies
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    488

    You should balance at the fan speed called for...

    You should balance at the fan speed called for which ever state requires the most CFM's (heat or cool). Usually 'fan on' works for PSC motors, just make sure that 'fan on' is the same speed as your...
  10. You're fine. People usually try to do the...

    You're fine. People usually try to do the opposite.
  11. Replies
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    In theory you're right. But some people have 25...

    In theory you're right. But some people have 25 years experience and some people have 1 year experience 25 times. Companies/bosses who want the best/well trained employees should pay for good...
  12. Replies
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    I would've cleaned the inside/outside coils,...

    I would've cleaned the inside/outside coils, checked the filter. I'd put on the probes to benchmark the system, and check all air temperatures-first time I ever visit a system. From there, it's...
  13. Replies
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    I wouldn’t. At minimum, a properly set up and...

    I wouldn’t. At minimum, a properly set up and executed LLC.
  14. Replies
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    1,251

    Lol. I remember the old metal ones with the...

    Lol. I remember the old metal ones with the release lever that would almost always instantly turn cubes into crushed ice.
  15. Replies
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    Probably had coal too.

    Probably had coal too.
  16. Replies
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    What does he have in mind for 'seal it up'?...

    What does he have in mind for 'seal it up'?
    Doesn't look that old, any way to get a hold of blueprints?
  17. Replies
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    Can your shoot it with a thermal imaging camera? ...

    Can your shoot it with a thermal imaging camera? Warm spots may be infiltration thru the slab from the outside.
    I would think that is a better possibility rather than domestic water lines.
  18. Replies
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    That’s sad. Dumb it down instead of putting more...

    That’s sad. Dumb it down instead of putting more incentive into training.
  19. You need all return grills open. I doubt you’re...

    You need all return grills open. I doubt you’re pulling any humidity in from the drain, but I’d be more concerned if the floor drain trap goes dry and you pull sewer gas into the house.
  20. Replies
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    Do the heat loss and find someone who understands...

    Do the heat loss and find someone who understands properly sizing equipment.
    Oil has come down a lot over it's spike, not down to pre-Ukraine invasion, but down. And you can get nearly the same...
  21. Replies
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    Very Nice!

    Very Nice!
  22. Replies
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    Seems like the more experienced you get, the more...

    Seems like the more experienced you get, the more lube you like to use…lol
  23. Replies
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    If it's your bookkeeper, why isn't she using you...

    If it's your bookkeeper, why isn't she using you to fix it?
  24. Replies
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    If your anemometer is confirming you are getting...

    If your anemometer is confirming you are getting the right (needed) CFM's to the right rooms, sounds like everything is fine.
    You could go more in depth and see if you're getting all your capacity...
  25. Still plenty of them on oil-fired furnaces. That...

    Still plenty of them on oil-fired furnaces. That with a fan center, no board.
  26. Replies
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    The only reason to wait if you can would be for...

    The only reason to wait if you can would be for rebates. There’s no iPhone 14 of AC units coming out to wait for.
    Just don’t get something that may be obsolete and hard to find parts.
  27. Replies
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    Run for president...they'll find them, or become...

    Run for president...they'll find them, or become a celebrity, TMZ will find them.

    I don't trust 'the cloud' for shit. I back up everything on my own, important stuff in 2 places.
    For the very...
  28. Replies
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    You can go to MQ's site and get the same info.

    You can go to MQ's site and get the same info.
  29. Replies
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    There are a number of videos here about rack...

    There are a number of videos here about rack systems:

    https://www.youtube.com/c/HVACSchool/videos
  30. Replies
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    It’s $5 per 1 piece of equipment for 1 year. All...

    It’s $5 per 1 piece of equipment for 1 year. All the reports on that piece of equipment you want, and access to all test/reports on that piece of equipment for the year.
    For the analyzer question,...
  31. Most of Europe and other countries for the...

    Most of Europe and other countries for the longest time had thermostats with no numbers on them. Just set it to where you're comfortable. You never saw numbers on line voltage t'stats for electric...
  32. Replies
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    Do you know how to properly clean ductwork? ...

    Do you know how to properly clean ductwork? Because 95% of the companies don't.
    If you do know, then you're already working in the business, and you can start getting estimates for the proper...
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    I tried mine on 3/8, wouldn't grab correctly. ...

    I tried mine on 3/8, wouldn't grab correctly. Maybe if the trigger was variable speed and you could start slow.
  34. Here's an Excel SS with some helpful calcs:

    Here's an Excel SS with some helpful calcs:
  35. Are you looking for something like this? ...

    Are you looking for something like this?

    CFM=Nominal capacity / (▲ht*4.5) where 3 tons, and 8.79 difference in enthalpy (▲ht)
    EX.
    CFM=36,000 / (8.79 * 4.5)
    CFM=36,000 / 39.56...
  36. Replies
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    I need help on LL, RSOB, & AS...LOL...The rest I...

    I need help on LL, RSOB, & AS...LOL...The rest I got.
  37. I agree with shutting your system down, block off...

    I agree with shutting your system down, block off all vents and use temporary cooling.
    I remember way back when I was in construction, even with everything taped/plastic off in the construction...
  38. Replies
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    The Milwaukee M12 as you probably know, only goes...

    The Milwaukee M12 as you probably know, only goes down to 3/8", that gets you halfway there.
  39. Which manometer are you using? FP wireless on MQ...

    Which manometer are you using? FP wireless on MQ require you to zero out on the app, and zero out each probe.
  40. There's a MQ facebook page and YouTube videos for...

    There's a MQ facebook page and YouTube videos for all things MQ. MQ is basing CFM's on their algorithms and Jim's experience. Actual test and performance data would be more accurate. Here's their...
  41. $2600 for the better model with a printer. I...

    $2600 for the better model with a printer. I think I'll stick with my Bacharach Insight, unless Jim Davis comes out and says it's the best one ever and everyone must buy it. Of course it will have...
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    Maybe you can borrow/rent one. You mentioned...

    Maybe you can borrow/rent one.
    You mentioned flex duct. Maybe a strap came lose, someone pinched one, or a critter chewed open a hole.
  43. Replies
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    2nd contractor is better than the first. The...

    2nd contractor is better than the first. The first didn't do anything, but he probably will be cheaper, or even worse, tell you he will match anyone else's price.
  44. And what meter do you now have?...lol (me too).

    And what meter do you now have?...lol (me too).
  45. Replies
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    That’s one ugly water heater install. The flue...

    That’s one ugly water heater install. The flue pipe is suspect, especially with tape on it.
  46. Replies
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    I've played around with this a pretty long time...

    I've played around with this a pretty long time now, and like it. A little tricky to get the hang of traversing, but after that it's ok. I'd like to test it against a hot wire and the almighty (and...
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    Properly installed whole house dehumidifiers use...

    Properly installed whole house dehumidifiers use less energy than the AC unit. Controlling humidity with the whole house when the AC isn't running (milder, humid, rainy days, or at night-as Teddy...
  48. Sometimes people's mind tricks their body based...

    Sometimes people's mind tricks their body based on numbers. Does she feel better when she sees the right 'number'? What RH does she see in her house in the winter, and is her throat still dry?...
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    ...or maybe he needs a better lift kit or bigger...

    ...or maybe he needs a better lift kit or bigger tires on the truck. :)
  50. Replies
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    Why not just attach the photos to the post? ...

    Why not just attach the photos to the post? Otherwise, they could disappear, making the post worthless-orphaned.
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