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Category: Preventative Maintenance

HVAC technician performing furnace capacitor maintenance inside a heating system
Furnace

Furnace Capacitor: Signs, Replacement, and Repair Guide

When your heating system suddenly stops blowing warm air, the problem often traces back to one small but crucial part — the furnace capacitor. This tiny component stores and releases energy to help your blower motor start and keep running smoothly. Without it, the system can’t move air properly, leaving your home cold and uncomfortable. At Pointer Cooling and Heating, we’ve replaced countless capacitors over the years, and believe me

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November 10, 2025 No Comments
Clean and dirty HVAC air filters showing how buildup affects airflow, efficiency, and overall air filter MERV rating performance.
HVAC

Air Filter MERV Rating Explained: What It Means for You

If you’ve ever shopped for an air filter and felt lost staring at all those numbers and ratings, you’re not alone. Most homeowners just want cleaner air and a system that runs efficiently—but that’s where understanding your air filter MERV rating makes all the difference. At Pointer Cooling and Heating, we’ve spent years helping people figure out which filters actually make sense for their home instead of just buying whatever

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November 1, 2025 No Comments
Modern furnace and duct system installed in attic space showing proper airflow and insulation
Furnace

How Long Does a Furnace Last? Signs It’s Time to Replace

If you’ve ever found yourself asking, “how long does a furnace last?” you’re not alone. At Pointer Cooling and Heating, we hear that question all the time—usually right when the weather starts cooling off and people are wondering whether their system can make it through another season. The answer depends on a few things: maintenance, usage, and the quality of the unit itself. But there are some clear signs that

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October 25, 2025 No Comments
Pointer - What Is CFM? Why Airflow Matters in Your HVAC System
Air Conditioning Tips

What Is CFM? Why Airflow Matters in Your HVAC System

If you’ve ever wondered, “what is CFM?” you’re in good company. At Pointer Cooling and Heating, we get that question more often than you might think — usually from homeowners who want to understand how their HVAC system really works. In the simplest terms, CFM means cubic feet per minute, a measure of how much air your system moves. It sounds technical, but once you understand it, you’ll see how

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October 17, 2025 No Comments
Pointer Cooling and Heating - What Is Forced Air Heating
Furnace

What Is Forced Air Heating and How Does It Work?

If you’ve ever asked yourself what is forced air heating and why it’s so common, you’re not alone. Here at Pointer Cooling and Heating, we hear that question all the time—and honestly, it makes sense. It’s one of the most reliable and efficient ways to heat a home, yet also one of the most misunderstood. Homeowners hear terms like “forced air,” “central heat,” and “HVAC” and wonder what’s actually happening

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October 13, 2025 No Comments
air conditioner smells dusty
AC

Why Your Air Conditioner Smells Dusty and How to Fix It

When your air conditioner smells dusty, it’s more than just a nuisance—it’s often a sign that your system needs cleaning, maintenance, or even professional repair. At Pointer Cooling & Heating in Moncks Corner, SC, we hear this complaint often, especially at the start of the cooling season. With South Carolina’s heat and humidity putting your AC to the test, a dusty odor can quickly make your home feel less comfortable.

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August 24, 2025 No Comments
black mold in ac unit
AC

Black Mold in AC Unit: Causes, Risks, and Solutions

Few things are more unsettling than discovering black mold in an AC unit. Not only can mold growth inside your air conditioning system reduce performance, but it also poses real health risks to you and your family. In the humid climate of Moncks Corner, SC, mold thrives if an AC unit isn’t properly maintained. At Pointer Cooling & Heating, we’ve seen firsthand how mold problems develop and how quickly they

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August 16, 2025 No Comments
water dripping from ac vent
AC

Water Dripping from AC Vent? Here’s What It Means

Noticing water dripping from your AC vent can be alarming, especially when it leads to stains on ceilings or walls, or worse—mold growth. Many homeowners in Moncks Corner, SC contact Pointer Cooling and Heating with concerns about this issue. Fortunately, water dripping from an AC vent is a common problem that can often be resolved with timely maintenance or repairs. In this post, we’ll explain what causes this issue, how

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August 5, 2025 No Comments
bad thermostat symptoms
Air Conditioning Tips

Bad Thermostat Symptoms: What Every Homeowner Should Know

Your HVAC system works hard to keep your home comfortable, but if your thermostat isn’t functioning properly, even the best system can’t do its job. Many homeowners experience temperature fluctuations, rising energy bills, or an unresponsive system—often without realizing that the thermostat might be to blame. Knowing the common bad thermostat symptoms can help you spot problems early and take action before your comfort or energy costs are affected. At

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August 2, 2025 No Comments
air conditioner coolant
AC

Air Conditioner Coolant: What It Does and When to Refill

When your air conditioner isn’t cooling like it used to, low refrigerant—commonly referred to as air conditioner coolant—might be to blame. This essential fluid is responsible for absorbing and releasing heat from your home, and without the right amount, your system can’t do its job effectively. At Pointer Cooling and Heating in Moncks Corner, SC, we frequently get calls from homeowners experiencing warm air, high energy bills, or frozen AC

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July 27, 2025 No Comments
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