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Thread: Need Programmable Thermostat Recommendation With This Feature

  1. #1
    Junior Member

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    Need Programmable Thermostat Recommendation With This Feature

    I need to change my old programmable T-stat (15 yrs old) with a make and model that has this one important feature to me. Currently my 4 programmable settings (wake, leave, return, sleep) can only start & stop on the quarter hour, and MUST remain at the new setpoint in increments of 15 minutes. I need to be able to choose the exact time of my choosing that the t-stat switches to the next temperature setting.

    I have scoured so many new model's videos & online user manuals. It is suprising to me how advanced residential thermostats have become, and still so many offer no flexibility in this feature. Please advise if you know of a make & model that has this capability. Tnx.


  2. #2
    Junior Member

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    I might have to end up using a programmable appliance timer to energize a relay in order to accomplish this. They can select any exact on and off time, unlike thermostats, unfortunately. Would have liked to perform all the scheduling from just one device if possible.

  3. #3
    Administrator

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    The Honeywell and White Rodgers Sensi wifi thermostats have 15 minute increment schedule changes. The Ecobee has 30 minute increment schedule changes. What is the situation that requires the exact time scheduling?

  4. #4
    HVAC Thermostat Specialist

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    Quote Originally Posted by Thermostat View Post
    The Honeywell and White Rodgers Sensi wifi thermostats have 15 minute increment schedule changes. The Ecobee has 30 minute increment schedule changes. What is the situation that requires the exact time scheduling?
    That's what i want to know. Most HVAC on/off cycles are longer than 15 minutes.

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