New Year, New Comfort: 7 HVAC Resolutions for a Healthier Home

Make comfort a priority this year. Discover 7 HVAC resolutions to improve energy efficiency, indoor air quality, and year-round comfort in your home.
When to Switch from AC to Heat: The Southern Homeowner’s Fall Transition Guide

Learn when and how to switch from air conditioning to heat this fall. Expert HVAC tips from Mac Heating & Air Conditioning serving Western North Carolina.
The Impact of High Outdoor Temperatures on Indoor Air Quality & Airflow

During the hot, humid summers typical of the South, soaring outdoor temperatures can have a significant impact on indoor air quality (IAQ). While many homeowners focus on keeping their homes cool, it’s easy to overlook how the intense heat and sticky humidity affect airflow, filtration, and overall indoor comfort. Understanding the connection between Southern summer […]
Why Keeping Your Vents Open Matters for Home Comfort and Efficiency

Whether you’re trying to lower your energy bills or just want a consistent temperature throughout your home, keeping your vents open and unobstructed is key.
Stay Cool & Keep Your AC Running Strong During the Heat Wave

The South is no stranger to scorching summers, but when a heat wave hits, it can feel like stepping into an oven every time you walk outside. While you can’t change the weather, you can take steps to stay safe, comfortable, and help your air conditioner work more efficiently through the extreme heat. Whether you’re […]
Why Is My A/C System So Loud? Understanding the Causes & Solutions

Living in the South, we rely on our air conditioners almost year-round. With high humidity and soaring summer temperatures, your A/C is more than a luxury—it’s a necessity. But when your air conditioner starts making loud or unusual noises, it can be disruptive, irritating, and even a sign of a bigger issue. At Mac Heating […]
5 Warning Signs Your Air Conditioner Is Low on Refrigerant

As the summer heat intensifies, your air conditioner becomes your home’s primary defense against high temperatures. But what happens when that comfort begins to falter? If your home feels warmer than usual or your energy bills are creeping upward, your system might be low on refrigerant—a critical substance in the cooling process. Running your […]
Smart Summer Cooling: How to Set Your Thermostat for Comfort and Savings in the South

If you’ve ever spent a summer in the south, you know just how essential it is to have a dependable air conditioning system. Even the most efficient HVAC unit can’t shield you from the shock of a sky-high electric bill after a month of nonstop cooling. Thankfully, there are strategies you can adopt to […]
Common AC Problems and How to Avoid Them This Summer

When the heat of summer rolls in, your air conditioner becomes one of the most important appliances in your home or business. A well-functioning AC keeps your space cool, comfortable, and livable—but when something goes wrong, it can quickly turn into an uncomfortable and expensive situation. At MAC Heating and Air Conditioning, we’ve helped homeowners […]
Allergy Season in the South: How Your HVAC Can Help

Springtime is a season of blooming flowers, longer days, and unfortunately, an abundance of allergens in the air. Pollen, mold spores, and dust mites thrive in the warm, humid conditions, making life miserable for those who suffer from seasonal allergies. While staying indoors might seem like a refuge, allergens can still find their way into […]