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  1. General HVAC Discussion
    Hi everyone. I am currently in the hospital with my son, the heat in his room is on high, and he is sweating buckets. The nurse told me nobody knows how to turn it off and she called maintenance two days ago qbit it but they never showed up. Does anyone have any idea how to adjust/disable this...
    heat hvac thermostat
  2. General HVAC Discussion
    I think this is a Lennox unit, maybe 11 years old. We had the outside capacitor replaced (it was near the end of its life) 3 months ago. This summer the A/C had been working fine, but a week ago the 25-year old thermostat began blinking the word COOLING and the fan wasn't coming on. Tech said...
    blinking board cooling lennox thermostat
  3. General HVAC Discussion
    Hello, I am seeing an error code that is otherwise unlisted on the wireless MRCH1 thermostat, which connects to a ducted Mitsubishi electric unit in the attic. The display just reads "E 27" The second zone for the first floor is run by a Mitsubishi Mr Slim unit, which is working fine. None of...
    mini split thermostat
  4. Residential HVAC Forum
    My school has a bunch of Carrier EMI thermostats with the receiver modules. Since I am pretty tech-savvy, my instructors asked me if I could find a use for them. How do i hook these up and connect them to a router? Calling Carrier didn't help. Any information/help is much appreciated. Thanks in...
    carrier emi school thermostat
  5. Residential HVAC Forum
    What is everyones thermostat preference for a residential programmable thermostat that has wifi?
    programmable residential thermostat
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