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Old 05-28-2012, 12:05 AM   #1
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Which brand of furnace and thermosat will give me the most adjustments


I need a furnace that is dependable. One that has a variable speed motor and modulating fuel valve 60-80k btu that will run up to 2000cfm.

One that will use any brand thermostat and is fully adjustable using the gas heat or heat pump.

I want to be able to adjust the fan speed when in continious fan on to circulate the cold air in the basement (800-2000cfm)

Adjustable fan speed setting during heat when the fuel valve is 40-100% gas.

Are any brands capable of delivering this.


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Old 05-28-2012, 12:09 AM   #2
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Which brand of furnace and thermosat will give me the most adjustments


Not one that will work with ANY thermostat. A communicating proprietary thermostat will allow you to select blower speeds from the stat.

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Old 05-28-2012, 12:23 AM   #3
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Which brand of furnace and thermosat will give me the most adjustments


The rheem rgfg furnace they just installed for me has a modulating non communicating thermostat.
The rheem rep said we had to use a rheem thermostat because we were using a non communication heat pump also.
Does this sound right
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Old 05-28-2012, 12:29 AM   #4
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Which brand of furnace and thermosat will give me the most adjustments


It is not a modulating thermostat. Maybe a modulating furnace. No aftermarket thermostat will allow you to select blower speeds. Please give the full model number of the furnace and heat pump.
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Old 05-28-2012, 12:40 AM   #5
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Which brand of furnace and thermosat will give me the most adjustments


Rheem rgfg-06emcks 60k modulating variable speed
thermostat rheem hc-tst412mdms modulating touch screen
heat pump carrier 58gsc065-131gb ( 20 years old )
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Old 05-28-2012, 05:42 AM   #6
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Which brand of furnace and thermosat will give me the most adjustments


That Rheem model only has a 3 ton drive, so you won't ever get 2000 CFM of air from it.
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Old 05-28-2012, 11:41 AM   #7
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Which brand of furnace and thermosat will give me the most adjustments


I understand the unit installed is incorrect and non adjustable.
I am willing to start over and get it right. I know what i want but need someone to tell me what brand that might be.
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Old 05-28-2012, 12:49 PM   #8
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Which brand of furnace and thermosat will give me the most adjustments


Won't find a 60,000 Mod with a 5 ton blower. Might have to use a 100,000 MOD to get a 5 ton blower. Which then sort of defeats having a mod.

None can use any brand of thermostat and then use it to control the blower. the thermostat has to be made for it.

And none let you make more then a minor blower adjustment in heating mode.

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