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
I’m Nathan. I’ve been an HVAC technician for over 10 years, and I’ve installed and serviced a lot of smart thermostats, including every major Nest model. Nest thermostats are solid, but when something in the system is slightly off (power, wiring, airflow, Wi‑Fi, or heat pump settings), a Nest will usually be the first thing … Read more
I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and when a homeowner tells me, “My AC isn’t cooling and I don’t see any water coming out,” I take that as a very specific clue. In a normal central air conditioner, cooling and condensation usually happen together. If you’re getting neither, it … Read more
I am Nathan. I have worked as an HVAC technician for over 10 years, and Carrier furnace code 34 is one of those faults I see a lot when the weather turns cold and furnaces start cycling hard. If your Carrier furnace is flashing code 34, it usually means the furnace tried to light the … Read more
If your Honeywell thermostat screen is blank even after you installed brand new batteries, I know how frustrating that feels. I’ve been on a lot of service calls where the homeowner did the right thing first, replaced the batteries, and the display still looked completely dead. Here’s the important truth: once you’ve confirmed the batteries … Read more
Hi, I’m Nathan. I’ve worked as an HVAC technician for over 10 years, and one of the most common “it’s driving me crazy” calls I get is this exact problem: your Nest thermostat says the system is off, but the blower fan keeps running anyway. Sometimes it’s a simple setting. Other times it’s a power … Read more
I’m Nathan, and I’ve been an HVAC technician for over 10 years. When a homeowner tells me, “My Sensi thermostat won’t turn on the AC,” the good news is this: a lot of these calls end up being a setting, power, or simple control issue, not a major equipment failure. In this guide, I’m going … Read more