Blog

When your heating and air conditioning system starts showing signs of aging, the question often arises: should you repair what you have, or is it time for a retrofit? At D-N-D Services, servicing Rockwall and surrounding communities since 1997, we...

Changing HVAC contractors may feel like a hassle, but sometimes it’s necessary to protect your comfort, your equipment, and your budget. Whether you're experiencing unreliable service, unexpected costs, or simply outgrowing your current provider’s capabilities, transitioning to a new HVAC...

Your HVAC system works hard to keep your home or business comfortable year-round. But like any mechanical equipment, it can develop problems over time—one common but often overlooked issue is excessive vibration. At D-N-D Services, serving Rockwall and surrounding areas...

When your HVAC system isn’t performing the way it should—whether it’s inconsistent temperatures, strange noises, high energy bills, or excessive dust in your home—you may wonder: Was this system installed correctly in the first place? The hard truth is, many...

Severe weather events like storms and floods can wreak havoc on your home or business, and your HVAC system is often one of the most vulnerable components. At D-N-D Services, we’ve been providing expert HVAC repair and maintenance in Rockwall...

When it comes to maintaining your home or business comfort, your HVAC system plays an essential role. At D-N-D Services, we’ve been proudly servicing all brands of HVAC equipment in Rockwall and surrounding areas since 1997. Through years of experience,...

Energy rebates and incentives are a great way to save money while upgrading your HVAC system to something more energy-efficient. Many utility companies, government programs, and manufacturers offer rebates for the installation of high-efficiency HVAC systems and components. But did...

No matter how well a project is planned, sometimes disagreements can arise between homeowners and contractors. HVAC projects, like any home improvement work, can involve complex decisions, unexpected issues, and differing expectations. If you ever find yourself in a dispute...

Furnace issues can be a headache, especially when they occur at the most inconvenient times, like in the middle of winter. Many homeowners wonder whether they can delay furnace repair or whether it’s safe to wait until the next season...

A furnace that’s not blowing air is a frustrating issue, especially in the colder months when warmth is essential for comfort. If your furnace has stopped distributing heated air, it could be due to several different reasons, ranging from minor...

Your thermostat is the control center of your furnace, and if something’s wrong with it, your heating system might be giving you clues. Whether the temperature is fluctuating, the furnace isn’t turning on, or it’s producing inconsistent heating, your thermostat...

It might be a surprise, but rodents can wreak havoc on your furnace and HVAC system. From chewing through wires to nesting inside ductwork, these tiny invaders can cause extensive damage that leads to costly repairs. In this blog, we’ll...

Having your AC repaired can be costly, but if your unit is still under warranty, you might be able to avoid paying out of pocket for certain repairs. Understanding your warranty coverage is crucial to saving money and avoiding unexpected...

Proper ventilation plays a crucial role in the efficiency and safety of your furnace. Whether it’s during regular maintenance or when performing repairs, ensuring that your furnace is adequately ventilated can prevent numerous issues, including dangerous carbon monoxide buildup, poor...

It’s a nightmare for any homeowner: you turn on your air conditioner, and suddenly, there’s water leaking from the unit inside your home. Not only can this cause potential water damage to your floors and ceilings, but it can also...

As your furnace ages, it naturally becomes more prone to wear and tear. While a well-maintained furnace can last 15 to 20 years, older systems often require more frequent repairs and attention. In this blog, we’ll explore the reasons why...

When your air conditioning system breaks down, it’s easy to get frustrated and impatient, especially during a hot summer day. One of the biggest questions homeowners have is: “How long will this take to fix?” Understanding the typical repair timelines...

When it’s time to install a new air conditioning system, proper preparation can make all the difference in ensuring the process is smooth, efficient, and stress-free. While your HVAC contractor will handle most of the work, there are a few...