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  1. Thread: Loop Sizing

    by tbolt
    Replies
    3
    Views
    924

    Loop Sizing

    I know it depends on what type of soil you have, but is there a rule of thumb for how long the poly pipe in the ground should be on a horiz closed loop system and how many loops you can put in one...
  2. Thread: lenox model

    by tbolt
    Replies
    1
    Views
    1,097

    can anyone please tell me what a hs9-261-6p lenox...

    can anyone please tell me what a hs9-261-6p lenox condensor is?
  3. Replies
    8
    Views
    886

    You don't have enough return. Not only will it be...

    You don't have enough return. Not only will it be loud but its going to create some other problems like furnace tripping out on limit by not having enough air to "breathe"..
  4. Replies
    8
    Views
    886

    Need more information. What size are the returns....

    Need more information. What size are the returns. How many are there and how many total heat runs do you have and where are the returns going.? Are these the only returns in the house and how do they...
  5. Thread: hi V A/C

    by tbolt
    Replies
    5
    Views
    853

    if your boiler is in good shape which 15 years is...

    if your boiler is in good shape which 15 years is not old for a boiler, you can add a hot water coil module to the unico system and have forced air heat from the boiler. the one's that i've done work...
  6. Thread: heat pump stands

    by tbolt
    Replies
    4
    Views
    3,337

    why do heat pumps have to be elevated? I am from...

    why do heat pumps have to be elevated? I am from the mid-west and just got back from virginia and some were on stands and some weren't. what is their purpose
  7. Replies
    7
    Views
    6,259

    unico systems

    I've designed and helped install unico systems for the last 15 years and find it to be IMO the best a/c system out there. Because of the HV system delivers air by aspiration not diffusion it makes no...
  8. Replies
    11
    Views
    3,056

    You won't get enough cfm out of 2 - 4" pipes

    You won't get enough cfm out of 2 - 4" pipes
  9. Replies
    11
    Views
    3,056

    You won't get enough cfm out of 2 - 4" pipes

    You won't get enough cfm out of 2 - 4" pipes
  10. Replies
    11
    Views
    3,056

    Based on static pressure one 7 in. will work if...

    Based on static pressure one 7 in. will work if you are tapping into the 3x14 duct
  11. Thread: CO poisoning

    by tbolt
    Replies
    3
    Views
    777

    Does anyone know what the CO ppm limit is when a...

    Does anyone know what the CO ppm limit is when a contractor should tell the homeowner to shut the furnace down? I'm from the mid-west and was told to call the local fire dept and they told me to call...
  12. Replies
    15
    Views
    1,809

    Also because of the air moving in aspiration...

    Also because of the air moving in aspiration effect instead of diffusion it is a more efficient system and dehumidifys 30% more!!
  13. Replies
    15
    Views
    1,809

    HV System

    I've designed about 30 of these systems(Unico) and they are not diffused air but aspirated air that mixes with the air in the house so there are no hot*/cold spots in the house. And the system is...
  14. Replies
    1
    Views
    479

    I know that on a 2-stage vari speed furnace that...

    I know that on a 2-stage vari speed furnace that you can use a single stage stat and that after a preset time it will ramp into 2nd stage. Whats the process on a 2 stage stat that knows when to ramp...
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