Why Your Furnace Is Overheating and How to Fix It
A furnace is one of the most important appliances in your home during the chilly months, but when it overheats, it can quickly become a major concern. Overheating not only affects your comfort but can also damage your HVAC system...
How Pilot Light Issues Lead to Furnace Failures
A reliable furnace is essential to keeping your home warm and comfortable during the colder months. But sometimes, even well-maintained heating systems can experience problems—one of the most common being pilot light issues. At D-N-D Services, with over two decades...
Furnace Repair Tips for Homes with Foam Insulation
Foam insulation has become a popular choice for homeowners seeking higher energy efficiency and better indoor comfort. At D-N-D Services, we've worked extensively with homes that use spray foam insulation, and we understand the unique HVAC challenges and furnace repair...
Why Your AC Freezes Up—and What to Do About It
When your air conditioning system is working hard to keep your home or business cool in the Texas heat, the last thing you want is for it to freeze up—literally. A frozen air conditioner isn’t just an inconvenience; it’s a...
How Furnace Repairs Can Affect Humidity Control in Winter
When most people think about furnace repairs, they picture fixing heat output or getting a broken unit back up and running. But there’s another crucial component that is often overlooked—humidity control. During North Texas winters, especially in areas like Rockwall,...
How AC Repairs Can Improve Sleep and Indoor Comfort
It’s no secret that a cool, quiet, and comfortable home makes it easier to fall—and stay—asleep. But what many homeowners don’t realize is how closely tied their HVAC system is to the quality of their rest and overall indoor comfort....
Why It’s Risky to Ignore Furnace Clicking or Buzzing Sounds
When your furnace begins to make unusual sounds—like clicking, buzzing, or humming—it might be tempting to ignore them, especially if your system still seems to be heating your home. But those sounds are more than just a nuisance—they’re often warning...
What Voids an AC Warranty During Repairs?
An air conditioning system is a significant investment for any homeowner or business, which is why most systems come with a manufacturer’s warranty designed to protect that investment for several years. However, warranties aren’t a free pass for all issues—certain...
What to Expect in Your First 24 Hours After a New AC Install
You’ve just had a new air conditioning system installed in your home or business—congratulations! A properly installed, energy-efficient AC unit can dramatically improve your indoor comfort and reduce your monthly energy bills. But what happens next? At D-N-D Services, we’ve...
The Role of Capacitors in Air Conditioning Repair
When it comes to reliable air conditioning performance, most homeowners think of the thermostat, the compressor, or the refrigerant—but few realize the small yet critical role that capacitors play in keeping your system running. At D-N-D Services, we’ve been repairing...
