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.
Air Conditioner Wall Unit: Types, Benefits & Common Problems
An air conditioner wall unit is a self-contained cooling system mounted through an exterior wall, delivering efficient climate control without the need for extensive ductwork or a central HVAC system. These units are popular in single rooms, add-on spaces, older homes, and anywhere a whole-house system isn’t practical or cost-effective. Because they’re installed directly through the wall with a sleeve, they’re quieter and more permanent than window models. Plus, they free up your window space entirely. We’ve serviced countless wall
Heat Pump Cherryville: Repair, Replacement & Installation Guide
If your heat pump in Cherryville has been running nonstop in the winter or barely keeping your home comfortable on humid summer days, you’re probably wondering whether it’s time for a repair or if you need a new system altogether. Heat pumps work hard year-round in our North Carolina climate. When performance starts to slip—higher energy bills, uneven temperatures, or strange noises—it’s usually a sign something needs professional attention. We serve Cherryville homeowners with honest diagnostics, expert heat pump repair,
Furnace Repair Cherryville: Common Causes & When to Call
When January and February temperatures drop across North Carolina, furnace repair in Cherryville becomes one of the most urgent calls we get. There’s nothing quite like waking up on a cold morning to realize your heating system has stopped working overnight — especially when your family is counting on warm air to start the day. Because Cherryville homes rely on furnaces through the coldest months, even a minor issue can quickly turn into an emergency if left unchecked. That’s why
What Is a Plenum in HVAC and Why It Matters for Your Home
If you’ve been curious about what the plenum hvac component in your HVAC system actually does — or whether a problem with it could explain why your heating or cooling feels uneven — you’re asking exactly the right question. The plenum is one of those hidden components most homeowners never think about until something goes wrong. Yet it plays a crucial role in delivering conditioned air throughout your home. In fact, issues inside the plenum can quietly sabotage your comfort
Heat Pump Crowders Mountain: Service, Repair & Installation
You’re standing on your deck after a long hike near Crowders Mountain, and the cool evening air feels perfect — until you step inside and realize your home is stuffy, uncomfortable, and your system just isn’t keeping up the way it used to. If you’re searching for reliable heat pump Crowders Mountain service, you’ve come to the right place. We serve homeowners throughout the Dallas, Gastonia, and surrounding areas with professional heat pump repair, maintenance, and installation designed to keep
Furnace Not Blowing Hot Air Troubleshooting Bessemer City
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
Ductless Mini Split Installation Dallas NC: Complete Guide
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
Air Conditioner Not Cooling? Common Causes and When to Call
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
Solar Powered AC: How It Works and What to Consider
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,
AC vs Heat Pump Cost Comparison: What You Need to Know
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
AC Not Cooling Troubleshooting Guide: Diagnose Your System
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.
Furnace Repair Crowders Mountain | Licensed Service
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
Furnace Not Blowing Hot Air Troubleshooting Guide
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
Heat Pump Bessemer City: Installation & Repair
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
Furnace Repair Bessemer City | Commercial Heating
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