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Type: Posts; User: chillwater

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    Classroom unit ventilators

    Does anyone have any recommendations regarding unit ventilators? We now have Trane which requires the Rover software to troubleshoot. We would like to get away from anything proprietary. The school...
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    steam boiler sizing

    I have 400 sq ft of radiation determined by measuring up the steam radiators. I want to install a peerless oil fired steam boiler that puts out 480 sq ft. Is there a rule as to oversizing or...
  3. Thread: Pricing

    by chillwater
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    536

    Thanks beenthere. I will apply .

    Thanks beenthere. I will apply .
  4. Thread: Pricing

    by chillwater
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    536

    Thanks. Can I assume pricing can be discussed...

    Thanks. Can I assume pricing can be discussed there?
  5. Thread: Pricing

    by chillwater
    Replies
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    536

    Pricing

    Hello . I am a contractor in the northeast. I would like to know if I may ask about pricing. Specifically for residential equipment. Is this allowed on this site and if so what forum?
  6. Thread: Permits

    by chillwater
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    343

    LOL

    LOL
  7. Thread: Permits

    by chillwater
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    343

    Permits

    Does an HVAC contractor in New Jersey need a permit to replace a Heat Pump condensing unit?
  8. Thanks ControlsDude15, I'll check the site out.

    Thanks ControlsDude15, I'll check the site out.
  9. Fault code for325 Microtech controller in HermanNelson AVS classroom unit ventilator

    This unit is from 2001 and is a face by-pass setup with a hot water coil and DX cooling which is not conected. The unit is not heating the classroom. I found the system in Bypass and the status light...
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    Lennox/Dunkirk GWB9 or Q90-100

    This boiler is an earlier model installed in 2001. The boiler is going off at 120 degrees F and is always short cycling .
    I checked gas pressure and it was 2.5" wc. I checked all safetys and high...
  11. Thanks Again. Just got off the phone from Carrier...

    Thanks Again. Just got off the phone from Carrier and it looks like it could be a sale, especially when the customer wanted the Acadia system originally when we pulled the plug due to the obvious.
  12. That being advised, what is the number of...

    That being advised, what is the number of control wires from the thermostat to the controller.
  13. Thank You, isuredo.

    Thank You, isuredo.
  14. advice on the best & most efficient air to air heat pump

    Good morning. I am looking for any advice that would help me give my customer the best and most efficient air to air heat pump. The area to be conditioned calls for 2-2.5 tons of cooling. I have...
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    Burnham ES2-4NI-T toubleshooting

    Any suggestions on troubleshooting a no start complaint. Boiler has power to. No activity on display board. Customer had a power surge hit his home when the transformer on the pole blew up when Sandy...
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    Birmingham, Its a great way to heat a home. You...

    Birmingham,
    Its a great way to heat a home. You feel warmer with lower thermostat settings because the heat is from the floor. The heat pump is used in the spring and the fall when it is more...
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    Thanks for all the good advice. I have a meeting...

    Thanks for all the good advice. I have a meeting with the owners tomorrow. Just re-did load calcs for basement zone as they just added 6" framed walls( not on plans) with future insulation. Total...
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    Thanks. I am not a fan of residential zoning...

    Thanks. I am not a fan of residential zoning either which is why I asked the question. I do plan on using a dump with other controls as suggested. I would rather have them switch the basement to...
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    zoning heat pump system

    Is it practical to put a 2 zone system in new construction when one zone will be calling for 2 tons a/c (1st floor) and the other calling for 3/4 ton ac (basement)? The air handler will be located in...
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    He has already blocked the return of which I...

    He has already blocked the return of which I suggested also. Doing some homework it seems that running the fan once a day fixes the problem. I am guessing that the cooling of the house down will come...
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    controlling indoor blower on-off times

    Can anyone recomend a thermostat that I can program to cycle the indoor blower on -off for about an hour each day. I have a customer who has condensation problems in his attic flex ducts during the...
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    Yes, I am talking about warm air furnaces. Thanks...

    Yes, I am talking about warm air furnaces. Thanks for your response and good advice.
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    Concentric vents

    What are the reasons for concentric vent kits for 90 plus furnaces being equipment specific? Other than the size ie; 2" & 3" are they not all manufactured the same?
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    concentric vent kits

    Can an Amana/Goodman concentric vent kit be used on a Trane condensing gas furnace or other furnace's as long as they are sized correctly? Are they all the same?
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    I thought I did. I'll check again. Just printed...

    I thought I did. I'll check again. Just printed off a copy of your link.
    Thanks again. Good nite
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