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  1. The Coleman was installed summer of 2005. I...

    The Coleman was installed summer of 2005. I can't find the warranty page. homeowner info says it's Unitary Products Group HATC-F036S. Compressor is Bristol TS.

    Anyone know if the compressor is...
  2. Not exactly sure why the Coleman failed but it...

    Not exactly sure why the Coleman failed but it wasn't cooling and I had it serviced. The tech found a pinhole leak on a pipe that went to the compressor. The unit was fixed and then several months...
  3. George, that's correct. One air handler in the...

    George, that's correct. One air handler in the attic feeding two zones. It's a raised ranch with walkout basement. There's a separate system for downstairs.

    It's R38 in the attic ceiling...
  4. Id, Is that 3.8 to 4.75 ton estimate for...

    Id,

    Is that 3.8 to 4.75 ton estimate for Boston or Lousiana?
  5. Relplacing 2-stage AC: Use single or another 2-stage?

    I need to replace my 3ton Coleman twin Speed bristol that died at the end of the season last year. This unit covers 1900 sq ft upper level where the kitchen, living space and bedrooms are. ...
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    Two Stage AC Condensor Replacement?

    My Coleman/York Twin Speed bristol powered 3Ton condensor developed a pin hole leak this summer. Had it repaired and then started to have difficulty switching over from single stage to 2nd stage. ...
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    Would you guys recommend the T-Class? I...

    Would you guys recommend the T-Class?

    I would like to have the option to run economizer here in New England. Is an 11SEER vs a 12SEER going to make a difference in monthly operating costs for...
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    Lennox T-Class ?

    How is the Lennox T-Class compared to the L Series? What can I expect for differences in efficiency, maintenance and operating costs, and reliability for a7.5 ton RTU?
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    Cost is an issue, so will be using fiberglass...

    Cost is an issue, so will be using fiberglass batts.

    Can go with R19 on the walls and either R32 or R38 on the ceiling as upgrades. Waiting for cost diffference for these upgrades.

    Any idea...
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    Insulating a Steel Building?

    Guys,

    What do you recommend for insulation in a steel building?
    Standard insulation is 4" on the walls and ceiling with an R13 and vinyl vapor barrier.

    Application is in the northeast with...
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    Location is in the northeast (Boston area). Use...

    Location is in the northeast (Boston area). Use is as an entertainment center. Consultants say to use 1Ton/300-325sf and the engineer calculated in this range at least for the other building. ...
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    Hi Dave, This is a completely different...

    Hi Dave,

    This is a completely different building so I though it deserved it's own thread.

    My architect has his own engineer and will ask for a design if we pursue this building. I want to be...
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    981

    I am looking at leasing a metal building. It is...

    I am looking at leasing a metal building. It is mostly a wide open space with 24' ceiling height in the center and 20' ceiling height to the side walls. There is some insulation on the walls and...
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    1,672

    jpb, What do you like about the Ruud B series?

    jpb,

    What do you like about the Ruud B series?
  15. Replies
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    1,672

    Dan, I only spoke to one and he recommended...

    Dan,

    I only spoke to one and he recommended two units, so if one failed I would still have some capacity until the other was repaired.

    What is the typical frequency of failure one might expect...
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    1,672

    Which manufacturer RTUs do you guys recommend for...

    Which manufacturer RTUs do you guys recommend for a concentric install for an 18Ton load. This is for a wide open area application. Looking for standard efficiency unit(s) with reliable track...
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    1,213

    Engineer calculated the load for 18Tons for the...

    Engineer calculated the load for 18Tons for the new area which is to be renovated. There is a Trane 25Ton Hi Efficiency unit already in the lobby.

    If I install new units in the new space (Trane,...
  18. Replies
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    1,213

    What kind of energy savings can be expected in...

    What kind of energy savings can be expected in the Northeast with a High Efficiency RTU vs a Standard Efficiency. The EER seems to be only 1 point more on the (ie 11.4 vs 10.5) high efficiency.
  19. Replies
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    New Coleman/York HTC 3Ton installed last year...

    New Coleman/York HTC 3Ton installed last year having some trouble this year but worked last year.

    Initially compressor did not turn on, so I checked the control board and the status light in...
  20. I am being advised that a separate aquastat is...

    I am being advised that a separate aquastat is required for an indirect hot water heater to be mated to my GB142 wall hung boiler. I thought the GB142 had an internal aquastat already built-in?
    ...
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    R&R, Take a look at this site to get a better...

    R&R,
    Take a look at this site to get a better understanding of acoustical isolation. Bass frequencies are the most difficult to isolate.
    http://www.stcratings.com/index.html...
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    Loonie, Called ADP Tech. They do have some...

    Loonie,

    Called ADP Tech. They do have some matchups for Goodman. For the 2.5Ton AHU they had a matching unit for the Goodman CLQ (14SEER unit) which should work for the CLT. In fact I have a...
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    For a 2.5 Ton ADP heat/cool AHU, how could I...

    For a 2.5 Ton ADP heat/cool AHU, how could I matchup to a Goodman CLK 13SEER Condenser effectively? The Goodman evaporator for this condenser is a larger (3.5ton) A coil, while the ADP lists a...
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    Maximum # Zones

    How many zones can one do with the Infinity? I was under the impression 4 max with the zone board.
  25. Replies
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    Dash, Are you using the 5 ton unit and how big...

    Dash,

    Are you using the 5 ton unit and how big is your place and what si your window and insulation details? Only 4 calls for hi speed sounds impressive for FL. When I looked at homes in the...
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