If you set your AC temp too low, below 70°F (21.1°C), you risk icing up the indoor air conditioning coil, which will block the airflow through the ductwork. Why is that? Because 70°F to 75°F is the optimal temperature range that engineers designed the equipment to operate within. But, BIG BUT HERE, yours could still…
Finding a break in thermostat wire can be time-consuming. Try this easy fix and save a lot of frustration. Install a thermostat without wires from the furnace. An interruption in the wiring circuit from the furnace to the thermostat can happen in various ways. This is an info alert. These red buttons and other links…
Installing VisionPro batteries is useless for Honeywell’s TH8321WF1001—the thermostat has no compartment to hold them. I love this thermostat. Read more: I will explain how the VisionPro 8000 TH8321WF1001 can operate without batteries. This site contains affiliate links. You don’t pay more if you buy through my site. I get a small commission that hopefully…
So, the Honeywell RCT8200A1001/P has been discontinued? Yes, I’m afraid you will have to upgrade to a new model. And do I ever have the perfect solution. There is very little information from Honeywell or even on the internet regarding this thermostat. Honeywell only states that the RCT8200A1001/P is no longer available for purchase. This…
As of April 14, 2015 the manufacturer discontinued the Honeywell YTH9421C1010 thermostat. It was first introduced March 30, 2009 and quickly became a very popular thermostat. The YTH9421C1010 was what they call a communicating thermostat. Communicating thermostats can operate with fewer wires and are proprietary, meaning that they are the only thermostat which can be…
Yes, your Honeywell Vision Pro Thermostat will work without batteries. The thermostat uses 24-volt power from the furnace, and batteries are for backup in case of a power failure. During a power outage, your furnace will be dead. So, why will you need a backup set of batteries? You won’t get the correct answer unless…
“Change Filter” or “time to clean filter” is displayed on my thermostat, and I just changed the air filter. Maybe my thermostat says, “Replace Air Filter,” it doesn’t even know I have a filter, let alone when it needs to be changed. It reminds me of the saying, “The left-hand doesn’t know what the right…
The Honeywell VisionPro 8000 TH8321WF1001 has no place for batteries.
Air penetrates the walls of homes, especially older homes, and finds it’s way to unsuspecting thermostats causing changes in temperature that can haunt a homeowner.