I’m Nathan, and I’ve been an HVAC technician for over 10 years. When a homeowner tells me, “My Honeywell thermostat goes blank, then it comes back on like nothing happened,” I already have a short list of likely causes in my head. In this guide, I will tell you all about it. Why a Honeywell … Read more
I’m Nathan, and I’ve been an HVAC technician for over 10 years. I can’t tell you how many “my thermostat won’t let me change anything” calls I’ve handled, especially with Honeywell Pro Series and Wi-Fi models. The good news is that most Honeywell thermostat locks are simple to remove once you use the right method … Read more
I’m Nathan. I’ve been an HVAC technician for over 10 years, and I can’t tell you how many times I’ve shown up to a home where the thermostat is locked and nobody knows the PIN. The good news is that most Honeywell Home and Honeywell ProSeries thermostats can be unlocked without the original code using … Read more
Auto mode is one of those features homeowners love because it sounds simple: set one temperature for cooling, one for heating, and let the thermostat switch between them as your home warms up or cools down. But when your Honeywell thermostat Auto mode isn’t working, it usually turns into one of these headaches: I’ve been … Read more
Hi, I’m Nathan. I’ve been an HVAC technician for over 10 years, and a big part of my job has been helping homeowners set up smart thermostats the right way the first time. If you already have one thermostat in the Honeywell Home app (or the Resideo app) and you’re trying to add another one, … Read more
I’m Nathan, and I’ve worked as an HVAC technician for over 10 years. I’ve installed and serviced a lot of Honeywell Wi-Fi thermostats, including the RTH9585WF. Most homeowners never touch the advanced settings, but when your comfort feels “off” or the system seems to run at the wrong times, Advanced Preferences is often where the … Read more
If you landed here because your Honeywell VISTA-20P keypad is beeping, showing a fault, or you simply want to learn how to use your system the right way, you’re in the right place. I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and a big part of my job has been diagnosing … Read more
Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and I’ve removed and replaced a lot of Honeywell thermostats in real homes, not just on paper. The good news is this is usually a simple job you can do in 10 to 30 minutes with basic tools. The key is doing … Read more
Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and I can tell you this is one of the most common calls I get during hot spells and cold snaps: You walk over to your Honeywell thermostat and the screen is totally blank. No numbers. No backlight. Buttons do nothing. The … Read more
I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and one of the most common service calls I get is something that looks “serious” but usually isn’t: a Honeywell thermostat flashing Change Filter or Filter. Here’s the key thing I tell homeowners on day one: Your thermostat is not measuring how dirty … Read more