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This manual gives some ideas on finding the common: https://literature.nortekhvac.com/pdf/I-OPT-MH%20%282-16%29%20PN102247%20%28Rev%208%29%20Smallest.pdf?docuid=567C1CA9-A7E1-478C-8312-0855A374937F&brandkey=Reznor&lgt=6915115061c3d1caf59163907568511 Manual for thermostat wiring...

Concerns about burying communication conduits near power conduits could go away if fiber is used instead of CAT5/6 cable.

Inexpensive rotary switch on Amazon: https://www.amazon.com/dp/B00NTROK8Y/?tag=atomicindus08-20 I have the old 4 speed fan from a previous furnace set aside for a similar project. One of these days...

Found the manual: https://images.homedepot-static.com/catalog/pdfImages/e6/e6cef95c-dcdb-451b-a7d3-861972802242.pdf Interesting that the thermostat can work with heat pumps, but it doesn't let you manually turn off/on aux/emergency heat.

Looks like you just need 4 wires, per https://www.mrheater.com/mwdownloads/download/link/id/30/ R/G/W/C for Power/Fan/Heat/Common respectively. However, I'd run 5 for future use/spare.

What if you turned the Nest off when not in the garage? There is a safety temperature that lets you set it much lower - down to 35 (default is 40). Eco Temperatures also goes down to 40, so when the motion sensor hasn't detected you in some time it will drop down to that level.

I wonder if these smart usage meters are needing the X2 setting because they don't know the voltage? 240VAC x 18A = 4320W 120VAC x 18A x 2 = 4320W If you need hot water and don't have a generator with enough output, an unusual (and slow!) method to get an electric water heater to do...

I have a Honeywell Vision Pro that has a setting for the fan called "circulate" that periodically runs the fan if heat or A/C hasn't been called for in some time...

Hard to see from the diagram, but it appears there is a 480-240VAC transformer in use for the controls. At first I thought it was 24VAC, which had me confused as it would seem a bit strange to have a 24VAC blower fan. 240VAC makes a bit more sense. You could dump/bypass the transformer and get...

The wiring diagram shows 480VAC - is that what you have?

For the override, wire in a light switch or any other form of control device in parallel with the cycle timer control.

Not sure if the thermostat is the wrong one, but it does not appear to match the wiring diagrams you can find online or on the thermostat itself...

The advantages of two heating systems, at least in my opinion, would be: a) back up if one is out of service b) move even heat c) in the case of a heat pump or minisplit - the unit could be used in summer to cool/dehumidify. d) if using two different types of heat sources (say one on natural...

Just stumbled across some GE 150W equivalent LEDs at Lowe's the other day. I tried out two of them in my garage, which has 5 porcelain fixtures (2 just outside the area of an open garage door, 3 towards the back of the garage). Truth be told it was a bit brighter than the 100W equivalent...

Is this the manual? https://files.marcomcentral.app.pti.com/modine/link/6-445_2.pdf

Mini split to maintain, gas of some sort to bring up quickly.

I've had Wink for 6 years now. I've tolerated it, but mostly because it was free. They started charging a monthly fee recently, which I've been paying. Mostly because I just don't have the time and desire to switch, but a little bit for payback for the years of free service. Home automation is...

Did anyone catch that the OP mentioned the term "Dryer Buddy"? If I understand the Dryer Buddy website correctly (https://www.bsaelectronics.com/collections/dryer-buddys ), this device will automatically switch between the dryer and EV to prevent overloading the circuit. If that is the case...

I think I would be tempted to just find a furnace control board to run the fan. Then use either an old thermostat or set of switches to select fan speeds by choosing heat/fan/A/C.

Last project I did I stripped out the circuit breaker assembly out of an indoor panel board. Plenty of space, knockouts already there to use, and easy enough to drill through the back to use screws for mounting relays, terminal boards, etc. Even had screw holes pre-drilled for a ground terminal...