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.

Technician inspecting internal components inside an open gas furnace cabinet during service. Best for blogs about furnace repair, furnace inspection, why your furnace isn't working, heating repair, furnace troubleshooting, and when to call for professional furnace service.

When temperatures drop in Bessemer City during the cold months, a furnace not blowing hot air becomes an urgent problem — and the good news is that the most common culprit is also the easiest to check. Before you worry about a major breakdown, take a moment to inspect your thermostat settings. Make sure it’s set to “heat” mode rather than “fan” or “cool,” because a simple setting error accounts for a surprising number of service calls. That said, if

Technician servicing an outdoor ductless mini split unit installed on an exterior wall. Best for blogs about mini split repair, mini split installation, ductless system maintenance, outdoor unit troubleshooting, heat pump service, and HVAC technician service content.

If you’re wondering whether ductless mini split installation in Dallas NC is the right move for your home, you’re asking a smart question. In a climate where one-zone comfort upgrades can solve a lot of problems, these systems shine without tearing into existing ductwork. We’ve helped many Dallas homeowners decide if a mini split makes sense for sunrooms, bonus rooms, garages, and older homes where adding ducts just isn’t practical. Because these systems mount directly on the wall and connect

Couple sitting on a couch while using a remote to control a wall-mounted mini split air conditioner. Best for blogs about ductless mini splits, mini split operation, home cooling, and zoned comfort.

When your air conditioner is not cooling properly, the most common culprit we encounter is a dirty or clogged air filter restricting airflow — something you can check in under a minute by opening your return vent and pulling out the filter to see if light passes through. That said, we also regularly find low refrigerant from a leak, a failing compressor, frozen evaporator coils, or a faulty thermostat during our service calls, and those issues require a licensed technician

Close-up of a blue gas burner flame used for heating inside a gas-powered appliance or furnace system. Best for blogs about furnace flames, what a healthy furnace flame looks like, blue flame vs yellow flame, gas burner combustion basics, and furnace safety warnings.

If you’ve been watching your summer electric bills climb every year and wondering whether a solar powered AC system could cut your cooling costs without sacrificing comfort, you’re thinking along the right lines. Solar air conditioning pairs renewable energy with the largest electricity draw in most homes. Recent improvements have made the technology far more practical for homeowners across North Carolina. That said, solar AC isn’t a one-size-fits-all solution. The upfront investment, your roof’s sun exposure, your home’s existing ductwork,

Two outdoor heat pump condenser units installed along the exterior wall of a home. Best for blogs about heat pump installation, heat pump vs AC, new HVAC system cost/value, and energy-efficient home cooling systems.

When you’re deciding between heating and cooling options for your home, an ac vs heat pump cost comparison can feel overwhelming — especially because the upfront number is only part of the story. In most cases, a heat pump offers better long-term value because it handles both heating and cooling in one system and runs more efficiently than pairing a traditional AC with a furnace. That said, if you already have a reliable furnace and only need cooling, installing a

Homeowner standing near a wall thermostat and looking confused while troubleshooting an indoor comfort issue. Best for blogs about thermostat problems, HVAC not turning on, and cooling or heating issues.

The first step in any AC not cooling troubleshooting guide is to check your thermostat settings. Many times, the unit is simply set to “on” instead of “auto,” or the temperature target is too high. Once you’ve confirmed the thermostat is calling for cooling and the temperature is set below the current room temp, it’s time to look at the air filter. A clogged filter restricts airflow so severely that the system can’t move enough cold air into your home.

Technician servicing the internal components of a wall-mounted boiler or heating unit with the front cover removed. Best for blogs about furnace repair, furnace maintenance, heating system diagnostics, why your furnace is not working, furnace inspection, and heating service calls.

Many homeowners near Crowders Mountain assume their furnace will simply power through the winter without much thought. Even the most reliable systems eventually show signs of wear that demand professional attention. Whether you’re hearing unfamiliar grinding noises from the basement, noticing uneven heating throughout your home, or watching your energy bills climb without explanation, these symptoms often point to underlying issues that won’t resolve on their own. That’s where expert furnace repair Crowders Mountain becomes essential — because a small

An HVAC technician in blue uniform performing diagnostic testing on a furnace unit using a digital multimeter. Best for blogs about HVAC repair, evaporator coil issues, air handler service, indoor unit maintenance, troubleshooting airflow or cooling problems.

When your furnace isn’t blowing hot air, troubleshooting starts with one simple check: make sure your thermostat is set to “heat” mode and the temperature is at least five degrees higher than your current room temperature. It sounds basic, but we see this mix-up often during our service calls, so it’s worth verifying first. That said, if your thermostat settings are correct and you’re still getting cold air—or no air at all—the underlying cause usually requires a trained eye. Issues

Close-up of a thermal expansion valve (TXV) assembly being held during HVAC repair or replacement. Best for blogs about reversing valve problems, heat pump repair, refrigeration components, HVAC part replacement, and why your heat pump is stuck in heating or cooling mode.

When we arrive at a commercial property for heat pump service calls in Bessemer City, we often find that business owners waited a little too long to reach out. Maybe the system was still technically running, or the symptoms seemed minor at first. Heat pumps are workhorses in our North Carolina climate, handling both heating and cooling year-round. Even small issues can snowball into costly breakdowns that disrupt your operations and leave employees or customers uncomfortable. That’s why recognizing the

Technician removing the front cover of a wall-mounted heating unit to access internal components during service or repair. Best for blogs about furnace repair, furnace part replacement, furnace maintenance, heating repair, when to call for professional furnace service, and furnace diagnostics.

When your commercial furnace breaks down in Bessemer City, the consequences go far beyond discomfort — you’re looking at potential lost revenue, unhappy customers, and vulnerable inventory if temperatures drop too far. That’s why timely furnace repair in Bessemer City matters so much for business owners throughout the area. We’ve seen firsthand how a failing heating system can disrupt operations during the coldest months, especially when minor symptoms like uneven heating or strange noises get ignored until a complete breakdown

Technician repairing wiring and electrical components inside an open residential gas furnace cabinet. Best for blogs about furnace repair, HVAC electrical issues, why your furnace won't turn on, blower motor or control board problems, professional HVAC diagnostics, and heating system troubleshooting.

When your furnace starts acting up in the middle of a cold snap, it’s natural to feel stressed and wonder whether you need professional furnace repair in Crowders NC. The good news is that you’re already taking the right step by learning more about what might be happening with your heating system. Furnace troubles rarely fix themselves, so recognizing the warning signs early can save you from uncomfortable temperatures, higher energy bills, and potentially costly breakdowns down the road. Whether

Outdoor heat pump unit installed on a pad beside a brick exterior wall.

If your commercial heat pump system seems to be working harder than it should, or you’ve noticed uneven temperatures across your building despite recent service, heat pump crowders might be quietly sabotaging your equipment’s efficiency. In simple terms, heat pump crowders are objects, structures, or landscaping that sit too close to your outdoor unit. They block airflow, trap heat, and force your system to strain just to keep up with demand. Because commercial systems often get tucked into tight spaces

Interior view of a heat pump unit with visible refrigerant lines, compressor, and fan assembly.

A heat pump in Belmont NC is one of the most efficient ways to heat and cool your commercial property year-round, especially in our region’s mild climate where temperatures rarely swing to extremes. Heat pumps both heat and cool by transferring energy rather than generating it, so they can significantly lower your operating costs compared to traditional furnace-and-AC combinations. However, that efficiency depends entirely on proper sizing, installation, and ongoing maintenance—things we see overlooked far too often when business owners

Outdoor heat pump unit installed beside a home in snowy winter conditions. Best for blogs about heat pump in winter, heat pump defrost cycle, winter HVAC performance, and cold-weather heat pump operation.

When you’re searching for the best heat pump Bessemer City has to offer, you need more than just flashy specs—you need a system that can handle unpredictable North Carolina weather while keeping your operating costs low. Because heat pumps deliver both heating and cooling in one efficient package, they’ve become the go-to choice for commercial spaces across Bessemer City, from retail shops to office buildings. Still, picking the right unit isn’t as simple as choosing the highest SEER rating or

Technician inspecting internal components inside an open gas furnace cabinet during service. Best for blogs about furnace repair, furnace inspection, why your furnace isn't working, heating repair, furnace troubleshooting, and when to call for professional furnace service.

When your commercial furnace breaks down in the middle of a Belmont winter, every hour without heat can cost your business money, comfort, and customer trust. That’s why fast, reliable furnace repair Belmont services are essential for restaurants, retail shops, offices, and warehouses across our area. We’ve seen how a failing furnace creates uncomfortable working conditions, drives customers away, and even risks frozen pipes or inventory damage during those cold Carolina mornings. Commercial heating systems work harder and longer than

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