the latest from David and Goliath HVAC
the latest news from David and Goliath HVAC
Welcome to our News & Insights page at David and Goliath Heating and Cooling! Here, we share the latest updates, tips, and trends in the heating and cooling industry. Our blog is a treasure trove of information designed to help you make the most of your HVAC systems.
Many homeowners assume that an AC capacitor bulging and leaking in Belmont, NC, is just a sign of age or normal wear, but in reality, a bulging or leaking capacitor signals that the component has failed and needs immediate replacement by a licensed technician. The capacitor is a small but critical part that stores and releases electrical energy to start your compressor and fan motors, so when it swells, leaks oily residue, or shows a rounded top instead of a
When we respond to calls about an AC condenser fan motor seized in Lucia, NC, homeowners usually describe the same scene: their outdoor unit is running, but the big fan blade inside isn’t spinning at all. That’s because the motor has locked up — often from worn bearings, overheating, or debris infiltration — and can no longer turn the fan that’s supposed to cool the refrigerant coil. Without that airflow, your system can’t release heat outdoors. As a result, the
You walk over to the thermostat and lower the temperature a few more degrees, yet warm air keeps blowing from your vents. When you take a peek inside your indoor air handler or furnace cabinet, you see thick ice coating the metal fins where cool air should be flowing freely. An AC evaporator coil frozen over reducing airflow in Stanley, NC usually happens because of restricted airflow, and the first thing to check is your air filter: a clogged filter
When your AC condenser fan motor is not running in Lowesville, NC, the most common culprit we see is a tripped circuit breaker cutting power to the outdoor unit — something you can check in seconds at your electrical panel. However, a silent condenser fan can also point to a failed capacitor, a burned-out motor winding, a faulty contactor, or even a stuck relay. All of these issues require a licensed technician to diagnose safely. Because the condenser fan pulls
If you’re staring at an ac evaporator coil frozen solid in Dallas, NC, the first thing to check is your air filter — because a dirty, clogged filter is hands-down the most common reason your indoor coil turns into a block of ice. When the filter restricts airflow, your evaporator coil can’t absorb enough heat from the air passing over it. Refrigerant stays too cold, and moisture freezes right onto the coil. That said, a frozen coil can also signal
An AC refrigerant leak from copper lines in Stanley, NC isn’t just an inconvenience — it’s a problem that quietly drives up your energy bills, puts extra strain on your compressor, and can eventually leave you without cooling during our hot, humid summers. Because refrigerant is what actually absorbs heat from your indoor air, even a slow leak forces your system to work harder and longer while delivering less comfort. Copper refrigerant lines run between your outdoor condenser and indoor
Many homeowners think the outdoor fan is supposed to cycle on and off like the indoor blower. So when they notice their ac condenser fan not running in Mount Holly, NC, they assume it’s normal—but that’s usually not the case. In fact, the outdoor fan should spin whenever your compressor is running. If the compressor hums but the fan stays still, the most common culprit is a failed capacitor. This small electrical component gives the motor the boost it needs
When the first cold snap hits Denver, NC, furnace problems tend to reveal themselves at the worst possible moment — usually on a freezing morning or late in the evening when your family needs warmth the most. If your furnace is blowing cold air, cycling on and off repeatedly, making unusual noises, or failing to start altogether, you’re likely searching for reliable furnace repair Denver services to restore comfort quickly. Most furnace issues can be diagnosed and repaired by a
Most homeowners think choosing between Lennox vs Carrier HVAC systems is a simple matter of picking the more famous name, but the truth is neither brand automatically wins for everyone. For most homes in the Dallas area, Carrier edges ahead thanks to its broader dealer network, consistent mid-to-high efficiency options, and slightly smoother parts availability when repairs are needed down the road. That said, Lennox takes the lead if you prioritize ultra-quiet operation or want access to the absolute highest-efficiency
Looking for a trusted heat pump company Lincolnton to keep your home comfortable year-round? Whether you’re thinking about installing a new heat pump system, noticing your current unit isn’t heating or cooling the way it used to, or simply need routine maintenance before the next season hits, choosing the right local team makes all the difference. We serve homeowners throughout Lincolnton and the surrounding areas with professional heat pump installation, repair, and maintenance services designed to maximize efficiency and extend
When you’re facing an AC compressor replacement vs new unit decision, replacing just the compressor usually makes sense if your system is less than ten years old and only the compressor has failed. However, a full system replacement is often the smarter move when your air conditioner is older, needs frequent repairs, or carries an outdated refrigerant. That’s why getting a professional assessment is so important. The right choice depends on your system’s age, the cost comparison between repair and
If you’re wondering why your heater is blowing cold air, the most common culprit is a thermostat set to “ON” instead of “AUTO.” When the fan runs continuously, it pushes unheated air between heating cycles. That’s an easy setting to check in seconds. However, cold air from your heater can also signal more urgent issues like a malfunctioning pilot light, a tripped limit switch, dirty flame sensors, or problems with your heat pump’s reversing valve. Because some of these causes
If you’re searching for “heat pump Iron Station,” you might think Iron Station is a specific type or brand of heat pump system. In reality, though, it refers to the small town of Iron Station, NC, located just a short drive from our home base in Dallas. Heat pumps are incredibly popular in our region because they handle both heating and cooling efficiently. That makes them ideal for North Carolina’s mild winters and humid summers. When your heat pump starts
Choosing the right cooling solution for your home starts with one key question: what size mini split do I need? Undersized units will run constantly without keeping you comfortable. Meanwhile, oversized systems will cycle on and off too frequently. This wastes energy and fails to dehumidify properly. For authoritative guidance, consult EPA indoor air quality resources. That’s why we at David and Goliath HVAC help homeowners in Dallas, NC make informed decisions about mini split sizing. This is a critical
Many homeowners think a heat pump in High Shoals is only useful for cooling, but that’s actually only half the story. In fact, a heat pump High Shoals works year-round — cooling your home when temperatures climb and heating it efficiently when the cold settles in across Gaston County. Because our winters are mild and our summers can be sweltering, heat pumps offer a smart, energy-efficient alternative to traditional furnace-and-AC setups. Whether you’re considering an upgrade, dealing with uneven temperatures,