There are plenty of projects out there for thermostats. Here is one that I found using "DIY Nest thermostat" https://www.stuff.tv/features/how-build-homemade-nest-thermostat/
On Thu, Jul 14, 2022 at 2:22 PM Paul Heinlein <[email protected]> wrote: > On Thu, 14 Jul 2022, Frank Filz wrote: > > > Program a single preferred temperature (the thermostat won't let us > > set heat to and cool to temperatures closer than 3 degrees - I > > understand that is necessary to keep the system from over heating so > > it has to turn on air conditioning only to over cool, and turn heat > > back on.). With programing I could have it not turn on cooling if > > the temperature is slightly high IF the system had just been heating > > and visa versa. > > In the grand PLUG tradition of not really answering your question, > I'll note that my Nest thermostat has "heat only" and "cool only" > modes in addition to "heat/cool". > > In "heat only" mode, the AC never kicks in regardless of how hot it is > in the house -- and vice-versa for "cool only" mode. > > I find those modes much more predictable and energy-efficient than the > combined "heat/cool" mode. > > I know Nest is a commerical product and that there are privacy > concerns. I'm just reporting my experience. > > -- > Paul Heinlein > [email protected] > 45°22'48" N, 122°35'36" W >
