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Posted by Noon-Air on December 13, 2006, 11:24 am
>
>>
>>> "Noon-Air" wrote:
>>>
>>>>
>>>>>
>>>>>> first off, turn on the intelligent recovery feature on the
>>>>>> thermostat,
>>>>>> and
>>>>>> give it a couple of weeks to learn when to turn on the system to be
>>>>>> at
>>>>>> the
>>>>>> desired temp at the desired time like it was designed to. with this
>>>>>> feature,
>>>>>> it will try to use the *primary* part of the system(the heat pump)
>>>>>> to
>>>>>> bring
>>>>>> the temp up to your comfort level, then only use the furnace if the
>>>>>> temp
>>>>>> is
>>>>>> not at the set point at the desired time. Only one or the other
>>>>>> should
>>>>>> run
>>>>>> at any given time *NOT* both.
>>>>>> Your installer should have explained all this to you.
>>>>>>
>>>>>> Set the thermostat, and let it do its job.
>>>>>>
>>>>>> BTW... short recovery time = higher energy usage and higher bills.
>>>>>
>>>>> I did have the intelligent thing on for awhile thinking it might be
>>>>> better. The installers said they always turn it OFF in every install.
>>>>> The heat pump started coming on earlier and earlier. When it came on
>>>>> at 3:30am and still couldn't heat the house to 70 by 7am, I turned it
>>>>> off, opting for gas heat to heat up the house quicker.
>>>>
>>>>Your installers are idiots
>>>>How cold was it outside and what was the temp inside when it came on at
>>>>3:30?? What is your setback temp??
>>>>
>>>>Last week when it was in the teens here in south Mississippi, my heat
>>>>was
>>>>coming on at 3:30 too... Today it didn't come on until 6:05 because it
>>>>was
>>>>58 degrees last night.... and yes I DO use the intellegent recovery
>>>>feature
>>>>on my stat.... it saves me as much as 18% on my utility bills.
>>>>
>>>
>>>
>>> I sure would like to know the formula you use to calculate this 18%.
>>>
>>> About the only realistic way I can think of is to have an identical
>>> setup running in parallel to your existing, and then chart the
>>> differences each and every day.
>>>
>>> Sure, if you said you saved 18% over last year, month etc, but even at
>>> that there's no weather data or setpoint comparisons.
>>>
>>> IMO, any supposed 'savings' is nothing but marketing hype, as there's
>>> absolutely no way to verify any savings or not, at least not until you
>>> have identical equipment conditioning identical structures in
>>> identical conditions. Then and only then will you have an accurate
>>> comparison model to guage any 'savings'.
>>
>>I compared my own utility bills and actual energy usage over a 5 year time
>>period.
>>
>
> no shit?
>
> since all related factors remained exactly the same, ie programming
> setpoints, occupancy, yearly weather data, utility rates yada yada,
> you can definitively say you've realized an 18% energy savings based
> solely on adaptive intelligent recovery?
based on the first 4 years in this home without a smart stat(it had a
Honeywell, mechanical, auto change-over stat), and tracking the energy
prices, KWH and Therms used, with proper maintenance on the system and no
other changes in the system configuration, then 5 years with the addition of
a Chronotherm III stat, still tracking energy prices, and the KWH and Therms
used by the same system, has resulted in an *AVERAGE* energy usage reduction
in my home of 18%.
You want to see all the bills??
BTW... I currently am using a VisionPro 8000 stat, but only because I wanted
a new toy.
> have you considered being a politician as a second career? :)
no thanx, I have no desire for the required lobotomy.
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