Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and I’ve been on a lot of “no heat” calls where the homeowner opens the blower door, sees a solid red LED on the furnace control board, and assumes the board is bad. Most of the time, that solid red light is actually good … Read more

Hi, I’m Nathan. I’ve been an HVAC technician for over 10 years, and I’ve worked on a lot of Goodman gas furnaces in real homes just like yours. When you see Goodman furnace code F02, it usually feels urgent because the furnace often won’t run at all. The good news is that F02 is commonly tied … Read more

If your Carrier furnace is showing status code 13, it means the furnace is overheating and opening the high limit switch to protect itself. In plain English, the furnace is getting hotter than it should, so a safety switch interrupts the heating cycle. I’ve diagnosed this exact code in basements, attics, closets, and tight utility rooms for over … Read more

Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and “Honeywell thermostat won’t connect to Wi Fi” is one of the most common smart-thermostat complaints I see. The good news is that most connection issues are not a “bad thermostat” problem. They’re usually a network setting, router behavior, or a simple … Read more

Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and I’ve seen Carrier furnaces throw Code 32 for a handful of very specific reasons. The good news is this is usually a venting, drainage, or draft problem, not a “your furnace is dead” problem. If your Carrier furnace is flashing Code … Read more

I’m Nathan, and I’ve worked as an HVAC technician for over 10 years. If your Honeywell thermostat is set to Cool but you’re still not getting cold air, I can tell you from experience this problem is usually one of a handful of common issues. Some are quick DIY fixes on the thermostat itself. Others … Read more

Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and “Goodman furnace flashing 4 times” is one of the most common cold-weather calls I run. The good news is that this code is usually caused by an airflow problem you can spot quickly. The bad news is that if you ignore … Read more

My name is Nathan, and I’ve worked as an HVAC technician for over 10 years. When a homeowner tells me, “My Honeywell thermostat shows a flame, but the house is cold,” it’s almost always one of a handful of issues. Some are simple (a built-in delay or a tripped switch), and some point to a … Read more

Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and Bryant furnaces are something I’ve diagnosed in basements, attics, closets, and tight utility rooms more times than I can count. If your Bryant furnace is flashing Code 33, I’ll walk you through what it actually means, what’s most likely causing it, … Read more

Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and I’ve seen this exact complaint a lot: “My Nest says it’s cooling, but the house is still warm.” Here’s the good news. In many cases, the Nest thermostat is not the real problem. It’s usually a setting, a wiring detail, a … Read more