Questions about: thermostat-c-wire

I would appreciate a sanity check/advice from this community. I plan to install a Wifi thermostat (likely a Honeywell) that requires a C wire in a house built in 2005. It's propane forced air plus AC
I recently purchased a Honeywell wifi thermostat and tried to hook it up as a replacement for an existing battery powered unit. I have a typical forced air HVAC setup with gas furnace (no heat pump), and I have replaced several thermostats in the pas
Tstat Terminal Designation Color of Wire and Termination R – The R terminal is the power. This comes from the transformer usually located in the air handler for split systems but you may find the transformer in the condensing unit. For this reason, i
We have a brand new air handler at work, but the thermostat is mounted on a wall next to a server/computer room which is always warmer than the rest of the office. I want to install a thermostat that allows for the use of a remote sensor. The C wire
Technically, there should only be one wire connected to the screw terminal. However, it's common practice in the HVAC industry to connect more. If you want to do it the proper way, you should use a twist-on wire connector (or other connector), and a
I see this is a pretty common question, but the answer seems like it might be dependent on your thermostat and air handler, so I'm posting with my specific questions. I'm upgrading from a White Rodgers thermostat to Honeywell RTH9580WF. The Honeywell
The Zone valves heat the hotwater pack, basement area and main house. The Thermostat being replaced is the bottom right for House. I tied on the Ecobee into the 24V relay and was able to power the unit, but the W1 off the Ecobee into the Yellow lead
Smart thermostats are hot property right now, with gas suppliers quick to get in on the act and bundle them with certain tariffs to woo prospective customers. We've reviewed British Gas' Hive system as well as Tado's thermostat. as well as plenty of