Category: Blog
What Is a SEER Rating and How Does It Impact HVAC Performance?
A SEER rating measures how efficiently an HVAC system cools your home, and a higher SEER means lower energy use, reduced utility bills, better humidity control, and more consistent indoor comfort. I remember a hot July day in Raleigh, North Carolina. I was inspecting a client’s 20-year-old AC that was literally eating money. Their monthly […]
Understanding SEER Ratings: The Homeowner’s 2026 Guide
A SEER (Seasonal Energy Efficiency Ratio) rating measures how much cooling your air conditioner provides for every dollar of electricity it uses. In 2026, the industry standard will have fully transitioned to SEER2. It’s a more accurate measurement that reflects real-world home conditions rather than ideal laboratory settings. While the federal minimum in North Carolina […]
Control Indoor Humidity with Thermostat Settings During Summer in Durham, NC
Staying comfortable indoors is about more than just cooling. Especially in hot and humid summers in Durham, NC. Many homes feel sticky, even with the AC running constantly in the background. It’s because of overlooked humidity. That’s where the thermostat plays a crucial role. Maintaining separate day and night temperatures, with an additional fan setting, […]
How Filtration and Dehumidification Improve Indoor Air Quality for Durham Homes
Filtration and dehumidification improve indoor air quality by removing allergens and controlling indoor moisture, creating healthier, fresher air while reducing mold, dust mites, and stuffiness. The ideal humidity range is 30–50%; filters capture dust, pollen, and particles, while dehumidifiers eliminate excess moisture. It prevents that sticky feeling and protects your home from water-related damage. Durham […]
Two-Stage vs Variable-Speed AC: Which Wins?
If you have ever sat in your living room and felt like the air was heavy or hard to breathe. Even though the thermostat says it’s 72 degrees, you aren’t alone. Many homeowners in high-humidity climates, such as Dallas and Atlanta, experience a sweat-chill cycle. One minute you’re sweating because the AC is off. And […]
Is High SEER2 Worth It? Balancing Cost & Comfort in NC
I have walked into hundreds of North Carolina homes during the dog days of July. The humidity hits you like a wet blanket the moment you step outside. You want an air conditioner that keeps you cool without draining your bank account. That is where the new SEER2 rating comes in. Many homeowners ask me […]
Furnace Sizing Guide: Why Manual J Beats Square Footage
Buying a new heating system is a major investment. Many homeowners make a costly mistake by choosing a unit based on a simple guess. You might assume “more power equals more warmth.” But in the world of HVAC, an oversized furnace causes discomfort and high bills. At Alternative Aire, precision is our standard. Installing the […]
Everything You Need to Know About Flame Sensors in Your Furnace
Is your furnace acting strangely? You hear it click on, the burners ignite, and you feel a moment of warmth. But three seconds later, everything shuts down. This “start-stop” behavior is called short cycling, and it is incredibly frustrating, especially during a chilly Durham winter. The problem is likely with a small, inexpensive part called […]
How Long Does It Take to Install a Furnace?
Most furnace installations follow a predictable timeline. Knowing the full scope can help you understand potential delays and how licensed HVAC contractors handle older units. As an HVAC expert, I’m going to explain the furnace installation … In reality, most furnace installations follow a predictable timeline but knowing the full scope of what’s included, potential […]
A Guide to Duct Sizing and Static Pressure for Maximum Comfort
You’ve invested in a great HVAC system, yet certain rooms feel stuffy. Maybe your air handler sounds like a jet engine running in your room. If this sounds familiar, the problem isn’t the equipment; it’s the air delivery system. The key to true comfort and efficiency is proper duct sizing and managing static pressure. Think […]
