Category: Repair

Common causes of a furnace leaking water include problems with the condensate drain line shown on this high-efficiency furnace.
Heating

Why Is My Furnace Leaking Water? Simple Fixes Explained

When a homeowner calls us about a furnace leaking water, the first question is always the same: “Is this normal, or is something seriously wrong?” At Rocket Air Heating & Cooling, we’ve seen this issue in everything from older gas furnaces to high-efficiency systems with complex condensate setups. And honestly, the cause is usually fixable—as long as you catch it early. Because once water starts pooling, it can damage flooring,

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Technician servicing a home furnace panel during a maintenance inspection for the furnace limit switch
Heating

Furnace Limit Switch: What It Does and Why It Matters

If your furnace suddenly shuts down, don’t panic—the furnace limit switch might just be stepping in to keep things safe. Of course, if it’s malfunctioning, it can stop your heat altogether. At Rocket Air Heating & Cooling, we’ve seen countless cases where homeowners assume their system’s broken when the limit switch is simply doing its job to prevent overheating. So, what does the furnace limit switch actually do, and why

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Rocket Air - Cool or Heat: What Your Thermostat Setting Really Means
Air Conditioning

Cool or Heat: What Your Thermostat Setting Really Means

If you’ve ever stood staring at your thermostat wondering whether to set it to cool or heat, you’re not alone. It’s one of the most common questions we hear from homeowners—especially during those tricky months when the weather can’t make up its mind. At Rocket Air Heating & Cooling, we help people every day figure out how to use their thermostat correctly to stay comfortable and save energy. Understanding What

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Rocket Air - Furnace Blowing Cold Air
Heating

Furnace Blowing Cold Air? Here’s What It Means

When you walk into your home expecting warmth but feel a blast of cold air instead, it’s more than frustrating—it’s confusing. If your furnace blowing cold air has you standing there scratching your head, don’t worry, you’re not alone. At Rocket Air Heating & Cooling, we’ve helped countless homeowners figure out exactly why this happens. And while some causes are serious, many are surprisingly simple once you know where to

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Technician holding a heat pump reversing valve from a heat pump
Heat Pumps

Signs of a Bad Heat Pump Reversing Valve Explained

If you’ve ever had a heat pump that just won’t heat in the winter or cool in the summer, the heat pump reversing valve could be the culprit. This small but mighty part is what allows your system to switch between heating and cooling. When it goes bad, comfort in your home takes a hit fast. As someone who works on heat pumps daily, I can tell you that this

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fan not spinning on ac unit
AC Maintenance

Why Is the Fan Not Spinning on AC Unit? Troubleshoot Now

When your home’s air conditioning system suddenly stops working during a Modesto heatwave, it’s not just an inconvenience—it’s an emergency. One of the most common and alarming issues homeowners face is the fan not spinning on AC unit. If you’ve noticed that your AC fan has stopped moving, you’re not alone. At Rocket Air Heating & Cooling, we often get calls about this exact problem, and fortunately, it’s usually something

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