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Carbon Monoxide: Leaking Gas Valves

By David Richardson With the floods affecting central Kentucky right now, I thought it would be a good idea to revisit what happened here over 20 years ago. During that event, some HVAC technicians cleaned out water-logged gas valves as they tried to get furnaces running again. I’m sure many of you are shaking your heads since you know those valves could fail in the open position, spewing gas into the equipment and building. Read More

Carbon Monoxide: The Importance of Light-Off CO

By David Richardson Many technicians who work on fuel-fired equipment will admit they have scorched their eyebrows when watching a burner light. It is a rite of passage among most seasoned technicians. What if there was a safer way to check ignition instead of sticking your face in front of a burner? Fortunately, there is, and it involves using a combustion analyzer. Anyone who has had the flame roll out or the doors… Read More

Carbon Monoxide: Three Excuses Not to Measure Carbon Monoxide

By David Richardson Welcome to the beginning of 2021. Many people will start this new year with a resolution to improve their personal or professional life. Often, these promises focus on fitness, health, or finances. Unfortunately, most people drop their resolutions before February. For a resolution to stick, there must be a desire to change. After all, why go through the hassle if you’re comfortable with the way things are? Some HVAC companies… Read More

Carbon Monoxide: Handling Furnace Red Tag Second Opinions

By David Richardson It’s the time of year for furnace red tags now that colder temperatures are here. As homeowners scramble to recover from the news their furnace is being shut down, they often seek a second opinion for confirmation. In this time of panic, many turn to family for referrals or Google for online reviews. The lucky contractor they choose might be you. Here are a few tough questions: When you get… Read More

Carbon Monoxide: Don’t Forget the Gas Oven

By David Richardson It’s hard to believe Thanksgiving is here. Many of us will eat too much turkey and then doze off after the meal. Consider this: is it possible another source is making you sleepy? How many of you plan to cook a turkey this holiday with a gas oven? If you are, how do you know it’s safe? Unless you test the oven to ensure… Read More

Carbon Monoxide: Three Reasons High CO in Flue Gas Should Concern You

By David Richardson One question I frequently hear is, “Why should high CO (Carbon Monoxide) readings in the flue gas concern me? They’re all going outside, anyway.” It’s a question I also asked myself before I understood the cause-and-effect relationships that make this so dangerous. Let’s look at three reasons high CO levels in flue gas should concern you. Number One: Building Infiltration It’s easy to assume flue gas… Read More
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