Nathan Rogers 
If you’ve ever looked at your thermostat’s fan options and thought, “Auto I get. On I get. But what is CIRC?”, you’re not alone. In plain English, CIRC means Circulate. It’s a fan setting that runs your HVAC blower intermittently, even when your system is not actively heating or cooling. The goal is to keep … Read more
Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and I’ve seen the same White Rodgers thermostat problems over and over. The good news is that a lot of “thermostat failures” are actually simple power, settings, or furnace safety switch issues you can fix yourself in minutes. In this guide, I’m … Read more
If you’re wiring or replacing a Coleman Mach RV thermostat, here’s the most important thing I want you to know before you touch a single wire: Coleman Mach thermostats are 12V DC control systems (from your RV batteries and converter), not 24V AC like a house thermostat. I’ve seen a lot of good DIYers get … Read more
Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and I’ve installed and troubleshot a lot of smart thermostats including ecobee. When an ecobee touch screen stops responding, it feels like you lose control of your whole heating and cooling system. The good news is most touch screen issues come down … Read more
I’m Nathan, and I’ve worked as an HVAC technician for over 10 years. Fujitsu systems are some of my favorites because they’re efficient, quiet, and smart. But I’ll be honest with you, the thermostat or remote symbols can look like a tiny row of “mystery icons” until someone explains what they actually mean. In this … Read more
If your Amazon Smart Thermostat is set to cool but you’re getting warm or hot air from the vents, you’re not alone. I’ve walked into plenty of homes where the “thermostat is broken” wasn’t the real problem at all. Most of the time, it comes down to one of these issues: This guide walks you … Read more
Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and I’ve run into Verdant thermostats in hotels, apartments, and commercial buildings more times than I can count. They’re solid thermostats, but they’re designed to save energy first, which is why they sometimes feel like they’re “fighting you” when you try to … Read more
Hi, I’m Nathan. I’ve been an HVAC technician for over 10 years, and I’ve wired more thermostats than I can count, from basic single stage systems to heat pumps with backup heat and two stage equipment. If you’re staring at six thermostat wires and wondering where they go, you’re in the right place. Here’s the … Read more
Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and I’ve wired (and re-wired) more Honeywell thermostats than I can count. If you opened your thermostat and found 7 wires, you’re usually looking at a heat pump setup with both Auxiliary heat and Emergency heat, which is the most common reason … Read more
I’m Nathan, and I’ve worked as an HVAC technician for over 10 years. When someone tells me, “My Ecobee is on, but the house is cold,” the issue is almost always one of three things: In this guide, I’ll walk you through the same checks I do in the field, in the right order, so … Read more