Category: AC Maintenance

mold in window ac
AC Maintenance

How to Spot and Remove Mold in Window AC Units Safely

If you’ve noticed a musty odor when your air conditioner kicks on or spotted dark spots inside your unit, there’s a good chance you’re dealing with mold in window AC units. At Rocket Air Heating & Cooling in Modesto, CA, we help homeowners every summer with AC units that are contaminated by mold. This common issue isn’t just an inconvenience—it can negatively impact your indoor air quality, trigger allergy symptoms,

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ac freezing up
A/C Repair

Why Is Your AC Freezing Up? Here’s What You Should Know

When summer temperatures in Modesto rise, your air conditioner becomes essential. But what if you suddenly notice ice building up on your system? If your AC is freezing up, it’s more than just a minor inconvenience—it’s a warning sign that something is wrong. At Rocket Air Heating & Cooling, we’ve seen this issue time and time again. In this blog, we’ll explain the causes, risks, and fixes so you can

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ac expansion valve
AC Maintenance

What Does an AC Expansion Valve Do?

If you’ve ever dealt with AC issues or maintenance, you may have heard of the AC expansion valve—a small but vital component that plays a big role in how your cooling system works. At Rocket Air Heating & Cooling in Modesto, CA, we often help customers understand what this part does and why it matters, especially when performance problems arise. In this post, we’ll break down everything you need to

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outside ac unit not turning on
AC Maintenance

Why Is My Outside AC Unit Not Turning On?

When your home suddenly feels warm and your outside AC unit is not turning on, it can be both frustrating and uncomfortable—especially during the hot Modesto summer. At Rocket Air Heating & Cooling, we often get calls from homeowners wondering why their outdoor unit won’t kick in. The issue can range from a simple fix to a more serious electrical or mechanical problem. Here’s a breakdown of the most common

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mildew smell from ac
AC Maintenance

Mildew Smell From AC? Here’s How to Get Rid of It Fast

If you’ve recently turned on your air conditioner and noticed a musty, mildew smell from the AC, you’re not alone. This is a common issue that many homeowners in Modesto, CA face—especially during the warmer months when the AC is running more frequently. At Rocket Air Heating & Cooling, we know how frustrating and concerning that smell can be. Not only is it unpleasant, but it may also be a

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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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dirty air filter
AC Maintenance

Dirty Air Filter Warning Signs and How to Fix the Problem

If you’ve noticed that your HVAC system isn’t performing like it used to or your energy bills have suddenly spiked, you might be dealing with a dirty air filter. Though it may seem like a small detail, a clogged filter can cause major problems for your heating and cooling system—and your indoor air quality. At Rocket Air Heating & Cooling in Modesto, CA, we often see how something as simple as

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ac not cooling
A/C Repair

Top Reasons You Have an AC Not Cooling Properly

There’s nothing worse than coming home on a hot Modesto day only to find your AC not cooling. If you’re sweating indoors while your air conditioner is running full blast, something’s clearly not right. The issue could be as simple as a dirty filter or as complex as a refrigerant leak. At Rocket Air Heating & Cooling, we understand how frustrating this can be, especially when temperatures are soaring in

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Rocket Air - Air Conditioner Not Blowing Cold Air
A/C Repair

Why Is My Air Conditioner Not Blowing Cold Air?

When the peak of summer heat strikes in Modesto, CA, dealing with an air conditioner not blowing cold air can disrupt your comfort significantly. If you’re facing this issue, it’s crucial to understand the potential causes and the solutions available to you. At Rocket Air Heating & Cooling, we’re here to ensure your home remains a sanctuary of coolness and comfort. In this comprehensive guide, we’ll delve into the reasons

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Rocket Air - Static Pressure HVAC
A/C Repair

Understanding Static Pressure HVAC: A Complete Guide

When managing the efficiency and effectiveness of your heating, ventilation, and air conditioning (HVAC) system, understanding static pressure HVAC is crucial. In Modesto, CA, where temperatures can vary significantly throughout the year, maintaining optimal static pressure in your HVAC system ensures that your home remains comfortable regardless of the season. This guide, provided by Rocket Air Heating & Cooling, will delve into what static pressure is, why it matters, and

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Rocket Air - Air Conditioner Smells Musty
A/C Repair

Air Conditioner Smells Musty? Here’s What to Do!

Have you ever noticed that your air conditioner smells musty when you turn it on? This common issue can be unpleasant and may even cause concern about the air quality in your home. At Rocket Air Heating & Cooling in Modesto, VA, we often address this problem for our clients. This comprehensive guide will help you understand why your air conditioner smells musty and provide you with effective solutions to resolve

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Rocket Air Heating & Cooling - Air Conditioner Stopped Working
A/C Repair

Air Conditioner Stopped Working? Fix It Now!

If your air conditioner stopped working, the discomfort in your Modesto, CA home can quickly become unbearable, especially during the peak of summer. This situation not only affects your comfort but can also disrupt your daily activities. Fortunately, there are several steps you can take before calling in the professionals from Rocket Air Heating & Cooling. Let’s dive into some common reasons why air conditioners stop working and explore how

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