Category: Furnace

Technician removing an air filter from a home furnace to check furnace filter sizes and proper fit.
Furnace

Furnace Filter Sizes: How to Choose the Right One

Most homeowners try to choose the right furnace filter, yet the process often feels confusing. At Pointer Cooling and Heating, we hear this every season. People want healthier air, fewer allergy triggers, and better airflow, but they aren’t always sure where to begin. Because the market offers so many furnace filter sizes, it helps to understand what each option means before you buy. When you know how sizing works, you

Read More »
Technician showing how to change furnace filter for better airflow and indoor air quality
Furnace

How Often to Change Furnace Filter for Best Air Quality

When homeowners ask how often to change a furnace filter, I have a good idea of what’s going on in their home. Airflow feels weaker. Dust shows up faster. Sometimes the house just feels a little stale. I’ve seen this pattern many times during service calls for Pointer Cooling & Heating, and the truth is simple: your furnace filter does more for your home than most people realize. It protects

Read More »
HVAC technician inspecting the inside of a furnace for possible cracked heat exchanger issues
Furnace

How to Tell If You Have a Cracked Heat Exchanger

When a cracked heat exchanger goes unnoticed, it’s not just a comfort issue—it can be a serious safety risk. At Pointer Cooling and Heating, we’ve seen firsthand how a small crack in this component can cause major issues, from reduced efficiency to dangerous carbon monoxide leaks. The good news? With a little awareness, you can spot the warning signs early and prevent a serious safety hazard. What Does a Heat

Read More »
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

Read More »
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

Read More »
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

Read More »
furnace limit switch
Furnace

Furnace Limit Switch: What It Does and When to Replace It

Your furnace is one of the hardest working systems in your home, especially during the chilly months in Moncks Corner, SC. At Pointer Cooling & Heating, we know that keeping your furnace reliable isn’t just about heat—it’s also about safety. One of the most important components that protects your system is the furnace limit switch. Many homeowners have never heard of it until their furnace stops working. Understanding what this

Read More »
how to light furnace pilot
Furnace

Step-by-Step: How to Light Furnace Pilot Light

When cold weather hits in Moncks Corner, the last thing you want is a furnace that won’t turn on. One of the most common culprits is a pilot light that has gone out. If you’ve found yourself searching for how to light furnace pilot light, you’re not alone. Many homeowners face this issue at the start of heating season, especially if their furnace hasn’t run in months. At Pointer Cooling

Read More »
furnace heat exchanger
Furnace

Signs of a Cracked Furnace Heat Exchanger

Your furnace is the heart of your home’s heating system, working hard every winter to keep your family warm. One of its most important components is the furnace heat exchanger, a sealed chamber that transfers heat safely from combustion gases to the air that circulates through your home. When the heat exchanger is cracked, however, it can pose serious risks to both your comfort and safety. Homeowners in Moncks Corner,

Read More »
Scroll to Top

SERVICE REQUEST FORM