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  1. Replies
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    Res Calc Manual S

    Does Res Calc program have an option for Manual S?
  2. Replies
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    404

    Yes. In an outside patio bar. They use it to heat...

    Yes. In an outside patio bar. They use it to heat up the area at the end of the season when it gets cold. Was there for service on different unit and went to look, the cup on the side of the furnace...
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    Multi ductless floor mount

    Anybody know which mini split brand have a multi head system, looking for 6 on one condenser, that can all be floor mounted. If so, any
    Robles you have with them. I usually use Fujitsu but don't...
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    472

    Thanks. They had one about 42", but I am still...

    Thanks. They had one about 42", but I am still waiting on the guy to call me back about getting a r-22 txv kit. Only problem for him is I had to pick up a board for a TRANE unit and they had a 40.5...
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    Small air handler frame

    Hey guys. Does anyone know who makes a short AHU. I got to pull out an attic one and it's 40" long. Do not think I am going to find one that short, but something better then 49 would be good, it is...
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    How old is the air handler? I went to a estimate...

    How old is the air handler? I went to a estimate today and the people had a 3 year old AC with heat pump. Electric bills very high, needs new water heater and converting to gas. I steer people...
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    828

    Did not have a design temp from the client yet,...

    Did not have a design temp from the client yet, so wanted to make sure I was in good shape, although extreme. The other thing is if I put the design at 78, my load for cooling would be even less....
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    All of the overhead doors are inside the...

    All of the overhead doors are inside the structure. The only openings are the two entry doors. Still thought the 1.5 was small. I do think people will pin open the entry doors when loading or...
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    Design Temp thinking 70/70, Height is Aprox 12',...

    Design Temp thinking 70/70, Height is Aprox 12', no appliances, lighting 6 double flourescent white bulbs, about 4' long. Sorry so crude, again not used to this thought process, more resi.
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    828

    Storage unit loads

    Hello. I am trying to figure a load for a storage unit facility. The building is a poured slab, all block, 145 x 18, 145 north and south, 18 east and west. The plan is to get the walls to R-13 and...
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    Storage Units Load?

    I am trying to figure a load for a storage unit building. The building is poured slab, all block, 145 x 18. The plan is to get the walls to R-13 and the ceiling to R-25. The roof is steel decking. I...
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    Mini-split not good here, to many conflicts with...

    Mini-split not good here, to many conflicts with lay out, a lot of sliders and windows.
  13. Replies
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    1,000

    Haven't done the calc yet, most likely be a...

    Haven't done the calc yet, most likely be a little less. One thing that does happen a lot around here is summer time. They pack 20- 30 people in the house for weeks at a time, with the slider open,...
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    2,685

    I had a job here in NJ where we had a septic...

    I had a job here in NJ where we had a septic system. The only thing the inspector would approve was a 2 inch PVC pipe exiting the building on a 45 degree angle. The only problem was there was three...
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    Zoning with furnace & heat pump

    Hey guys. I am doing a house about 1,400 square feet and want to zone it with 3 zones. The master suite will be small, say 350 sq feet or so. That being said, the furnace I need to use is a 60,000...
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    884

    I have a set up like that Jtrammel. Got the...

    I have a set up like that Jtrammel. Got the Pittsburgh on the back right side. The key for me is a loading ramp, pull it out and it works as a nice table. Also pull a utility 6 x 12 trailer on...
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    does mold grow in a mini split?

    Hello,

    I went on an estimate and the person requests changing all flex and ductwork from fear of mold. the system is 3 years old and no real signs of mold, duct had a couple access doors. I...
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    Sounds good. Thanks.

    Sounds good. Thanks.
  19. Replies
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    597

    Weight of Trane RTU?

    Hello,

    I have a unit that I have to take off of a roof. I know it's a Trane, guessing about 30 years old based on other equipment up on the roof. Can not read any model or serial numbers on it,...
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    Lennox AH size

    Got a lennox C830M-21/26-1p. Is this a 1.5 - 2 ton AH?

    Thanks!
  21. Thread: Mini splits

    by Cbssteve
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    29
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    2,576

    One thing that always got me was the adapter...

    One thing that always got me was the adapter fitting to acess the condenser. I do not know if they are all like this, but the Fujitsu system requires an adapter fitting. The threads on the unit are...
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    how do you know, is it the last two serial...

    how do you know, is it the last two serial numbers flipped? If so is the 36 = the week of manufacture
  23. Replies
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    Just inherited the job a couple weeks ago. Put in...

    Just inherited the job a couple weeks ago. Put in 2" pleated filters. They are 25 ton RTU units, so 2" should have always been in there. Filters were pretty clean in them to, but that doesn't mean...
  24. Replies
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    747

    Duct Sox cleaning

    Hello,

    I was recently at a gym with these duct sox about 25 feet in the air, The concept seems great, but I found the unit was cycling on and off, during heating, due to limit tripping near heat...
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    Dating a trane by serial number?

    Hello,

    I have a trane furnace, TUD140R960AC, serial # F45583619. I think it is from around 1991, numbers off of a limit, but couldn't find anything online that made sense with these numbers.
    ...
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    Wolverines for me. Tried a few different ones,...

    Wolverines for me. Tried a few different ones, but they always treat my feet right
  27. Thread: drain freeze

    by Cbssteve
    Replies
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    1,635

    I put all my 90 percent drains to the wash box or...

    I put all my 90 percent drains to the wash box or stand pipe for the washing machine. I do not tie it in rigid, I float it over. I ask the plumber or contractor to put a wash box with a 2" hole in...
  28. I've used Fujitsu mini-splits. Have been told...

    I've used Fujitsu mini-splits. Have been told they are good to down to 13 below I think. I do not have many out there, but also have not had a call for no heat on them either. I do not like to depend...
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    I live in the same town and hope to retire right...

    I live in the same town and hope to retire right there in about 40 years, so I guess it is safe to say they are pretty well off. Like I said, 4 weeks a year. Thanks Dean, I'll make an email strictly...
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    505

    Manage customers Temps?

    I am located in a shore town in NJ. I have a customer who leaves the house at 70 in the winter and 65 in the summer. They are at the house total of 4 weeks a year. I got a call from the contractor...
  31. Thread: Wet Switches

    by Cbssteve
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    1,260

    We are HVAC technicians, sanity went out the door...

    We are HVAC technicians, sanity went out the door when we picked this trade ::DD:
  32. Thread: Wet Switches

    by Cbssteve
    Replies
    9
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    1,260

    Use a hair dryer, most homeowners have one they...

    Use a hair dryer, most homeowners have one they will lend you. Just be careful, I used the hottest setting and think I melted it. It would never stop glowing red. I also have a backup one on the...
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    Ask the insulator what the R value is of the foam.

    Ask the insulator what the R value is of the foam.
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    Reznor Tubular radiant?

    I am looking at a 100 X 100 truck shop, four bays, and thinking Reznor VPS radiant tubular gas would be a good option. I have 25 feet to the peak and do not want to push the air around the shop, it...
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    Metal in my opinion. If you look at a ductulator,...

    Metal in my opinion. If you look at a ductulator, a 6" metal will push more cfm then a 6" flex.
  36. Thread: Snips

    by Cbssteve
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    1,565

    I like the Malco snips myself. Never seem to have...

    I like the Malco snips myself. Never seem to have a problem with them, but do get a fresh pair from time to time. Helpers do not seem to understand snips do not cut flex wire.
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    Concrete ceiling load calc

    Hi,

    I have a question with load calc. I am bidding a job that has a 14 foot ceiling, it is going to be a wine shop, exposed look. The roof was made to be an area that cars could park on about 100...
  38. Replies
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    I guess what I like is the fact that they will...

    I guess what I like is the fact that they will stand behind it for ten years. I use the variable speed equipment on furnaces and air handlers about 95% of the time, can only think of a couple that...
  39. This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here.

    You can find the rules for posting and...
  40. This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here.

    You can find the rules for posting and...
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    Equipment Warranty

    Hi All,

    Curious what brand carries the best warranties. I use Goodman, in part because the warranty on the 14 seer 410a and above was lifetime on compressor, lifetime heat exchanger, and 10 years...
  42. Replies
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    Try to tackle that with staged, variable speed...

    Try to tackle that with staged, variable speed equipment, only 2 stages however. In applications where upstairs needs minimal heat, the smallest furnace I get is 45,000 btu. In an application with 2...
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    1,712

    I always offer or quote zoning. Some people like...

    I always offer or quote zoning. Some people like the idea, others tell me they prefer 2 units in case one breaks down. All of the houses I do zone seem to be just fine, in fact, people are often...
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    Makes a lot of sense, thanks.

    Makes a lot of sense, thanks.
  45. Replies
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    595

    Thanks. There can be 6 back there at a time, not...

    Thanks. There can be 6 back there at a time, not a large area, but if you get them feeling cold, that is all that counts. I am thinking you still can not stop it from leaving the store. High velocity...
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    Cooling open kitchen?

    Hey guys, curious if anyone has cooled open kitchens. THe place I grab coffee in the morning is a deli/butcher, but they have an 18 foot open kitchen. They have a few fryers, grill and stoves. The...
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    Hope that is not true. My rep has a book right at...

    Hope that is not true. My rep has a book right at the desk and checks it, has all sorts of matches from Fujitsu with what is acceptable. I am pretty sure there is a little bit of an allowance there,...
  48. Thread: EPA card copy

    by Cbssteve
    Replies
    11
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    732

    Just ordered. Thanks man, have been going at this...

    Just ordered. Thanks man, have been going at this on and off for a while now. What a relief.
  49. Replies
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    Thanks Craig.

    Thanks Craig.
  50. Thread: EPA card copy

    by Cbssteve
    Replies
    11
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    732

    socotech, Does it matter where I took it, or...

    socotech,

    Does it matter where I took it, or they can locate and find it. If so, do you have website or number. It would be great to get pro status here.
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