If you’ve ever noticed “EM heat” flashing on your thermostat and wondered what it means, you’re not alone. At Summers Comfort Heating & Air, we get this question all the time—especially during winter. The short answer is that EM heat, or emergency heat, is a backup heating mode your system uses when your heat pump can’t keep up or stops working properly. But there’s a bit more to it than
When your furnace suddenly shuts down or starts blowing cold air, it’s easy to assume the worst. But sometimes, the problem traces back to one small—but mighty—part: the furnace limit switch. This safety device quietly protects your system from overheating, and when it malfunctions, you’ll definitely notice. At Summers Comfort Heating & Air, we see this issue every season, and most homeowners don’t realize how important this little switch really
If you’ve ever looked into heating and cooling options, you’ve probably heard about the dual fuel heat pump. Homeowners are curious because it promises the best of both worlds — the efficiency of an electric heat pump and the power of a gas furnace. But does it really deliver? Let’s walk through the pros and cons from the perspective of someone who works on these systems every day. What Is
A common question homeowners ask is, what is forced air heating? I hear it a lot when I’m out on calls. People want to know if it’s the same as central heat, if it’s efficient, and whether it’s right for their home. The answer is straightforward: homeowners across the U.S. rely on this type of central heating system, and they’ve done so for decades. But there’s more to the story
When a customer calls Summers Comfort Heating & Air and says their air con blowing warm air is making the house miserable, I know they need answers fast. Few things are more frustrating than expecting cool air and getting nothing but a lukewarm breeze. The good news is that most of the common causes are easy to find — and many are quick to fix if you catch them early.
When the weather starts to change, many homeowners ask how to safely switch from AC to heat without causing problems for their HVAC system. As someone who works on heating and cooling systems every day, I can tell you that making this transition the right way can prevent breakdowns and save you money. Let’s look at the simple steps you can take to switch from AC to heat, what to
If you’ve ever wondered how your furnace keeps your home warm, the answer often comes down to heat exchanger heating. This key component does the heavy lifting by transferring heat safely and efficiently. Over the years, I’ve seen plenty of homeowners surprised by how important this single part is for comfort, efficiency, and even safety. Let’s break down what a heat exchanger does, why it matters, and how you can
Finding the best humidity level for sleeping can make the difference between tossing and turning or waking up refreshed. At Summers Comfort Heating & Air, we’ve seen how much indoor humidity impacts comfort. Too dry, and you wake up with a scratchy throat. Too damp, and you may notice musty smells or even trouble breathing. Let’s break down what humidity level supports healthy sleep and how you can achieve it.
Ever sit in one room that’s freezing while another feels stuffy? A lot of times, the problem isn’t your AC — it’s your HVAC diffuser. That little vent in your ceiling or wall plays a bigger role than most people realize. I’ve seen homes where simply swapping or adjusting a diffuser completely changed the way the space felt. Nobody wants to fight over the thermostat — a properly adjusted diffuser
When people first hear about heat pumps, one of the biggest questions they ask is: does it cool or heat your home? The name itself can be a little confusing. Many assume a heat pump only provides heat, but in reality, it’s designed to handle both functions. At Summers Comfort Heating & Air, we explain this all the time to homeowners, because understanding how these systems work helps you make
Every so often, I get a call from a homeowner asking about something on their system they don’t recognize. Nine times out of ten, it’s the fan coil unit. Most people know what a furnace or air conditioner is, but this part doesn’t get much attention. Thing is, it plays a bigger role in comfort than most folks realize. What Exactly Is a Fan Coil Unit? Think of a fan
When it comes to indoor air quality, few things confuse homeowners more than the MERV rating on air filters. You may see the numbers listed on packaging, but understanding what they mean is another story. That rating isn’t just a random figure—it determines how well your filter can trap dust, pollen, pet dander, and other particles. At Summers Comfort Heating & Air, we’ve walked countless homeowners through choosing the right
When it comes to comfort, nothing is more important than dependable cooling and heating in your home. That’s why so many homeowners turn to Summers Comfort Heating & Air for professional service. We know that when your system isn’t working, your whole routine is disrupted. Our team specializes in MT. Holly air conditioning and heating solutions that keep families comfortable year-round. Why MT. Holly Air Conditioning and Heating Matters Living
When people talk about efficiency, they usually think about the thermostat setting or the age of their HVAC system. But there’s another factor many homeowners overlook—landscaping HVAC systems to improve airflow and efficiency. The way you design and maintain your yard can have a real impact on how well your heating and cooling equipment performs. I’ve seen perfectly good systems struggle simply because shrubs, fences, or mulch were too close
When summer heat rolls in, your AC hardly gets a break. And out there in your yard, usually by the driveway or up against the house, sits the AC condenser unit. Most people don’t give it a second thought until it stops working. The truth is, once you know what that box actually does, it’s easier to catch problems early and avoid a big repair bill later. What Does an
