
Is your AC unit struggling to keep you cool?
Don't let the Texas heat take control! At DT Air Conditioning & Heating, we're here to ensure your home stays comfortable all year round.
Living in Richardson, TX, means dealing with scorching summers and mild winters. These extreme temperatures can put a lot of stress on your AC unit, leading to several common issues:
Older units often experience frequent breakdowns, leaking refrigerant, or poor cooling performance. In these cases, repairs may only provide temporary relief. Investing in complete air conditioning installation services can save you money on repairs while ensuring dependable cooling for years to come.
Your AC unit is a complex system with several components that can malfunction. Here's a breakdown of some key parts that often need repair:
Recognizing the signs that your AC unit needs repair can save you from more significant issues down the line. Here are some indicators to watch out for:


We at DT Air Conditioning & Heating believe your AC service should be simple, straightforward, and stress-free. Our technicians are highly trained, friendly, and focused on solving problems the right way—never rushing through repairs or pushing unnecessary services.
Here’s what sets us apart for AC repair in Richardson:
From the first call to the final system check, our process is built around transparency and efficiency.
When you contact us, we gather the details about your system’s symptoms and arrange a convenient service time. Upon arrival, our technician inspects the system thoroughly, checking electrical components, refrigerant levels, airflow, and other critical elements. Once we pinpoint the issue, we explain our findings in easy-to-understand terms—no technical overload—then present your repair options.
Because our service trucks are stocked with many common AC parts, repairs often happen during that same visit, minimizing downtime.
We at DT Air Conditioning & Heating have worked with Richardson homeowners for years, which means we understand the climate demands and how they affect cooling systems. From unexpected spring heatwaves to the peak of summer, we’ve seen what local weather can do to AC performance. That knowledge helps us recommend solutions that last—not just quick fixes.
Our goal isn’t only to restore cooling—it’s to ensure your AC is running at peak efficiency so you can enjoy steady comfort and lower energy costs.
Every repair call is handled with the same care we’d want for our own homes. That means showing up on time, treating your property with respect, and doing the job right the first time. We take pride in our work and back it with a satisfaction guarantee—because your trust matters.
While we’re always ready to repair your AC, we know you’d rather avoid breakdowns altogether. That’s why we also offer maintenance services designed to keep your system reliable year-round.
Our maintenance visits include:
Routine maintenance not only reduces emergency repair calls but also extends the life of your AC system.
We at DT Air Conditioning & Heating believe you should know exactly what to expect when it comes to cost. Before starting any work, we provide a detailed quote so there are no surprises. We also explain the repair so you understand where your money is going and why it’s necessary. Our goal is to provide the best value—not just the lowest price—by ensuring repairs are done right the first time.
Choosing the right HVAC company can make all the difference in how smoothly your repair goes. Homeowners in Richardson choose us because:
At DT Air Conditioning & Heating, we take pride in serving the Richardson, TX community. Our team understands the unique challenges posed by the Texas climate and is dedicated to providing top-notch AC repair services to keep your home comfortable. Whether you live near the bustling Richardson Square or the serene Cottonwood Park, we're just a call away. Our local expertise ensures that we can quickly diagnose and fix any AC issue you might encounter.
Even with regular maintenance, AC units can sometimes encounter issues. If your system is not cooling as it should or has completely stopped working, don’t lose your cool—call DT Air Conditioning & Heating for expert AC repair services in Richardson, TX. Our repair services include:
When you choose DT Air Conditioning & Heating for your AC repair needs in Richardson, TX, you can rest assured that you’re getting the best service possible.
Why is my AC blowing warm air?
How often should I have my AC unit serviced?
What are the signs that my AC needs repair?
Can I repair my AC unit myself?
How long does an AC repair typically take?
A well-maintained AC system doesn’t have to work as hard to cool your home. Clean coils, proper airflow, and correctly calibrated components help reduce energy consumption.
Benefits include:
Competitor resources consistently note that neglected systems without proper AC maintenance often lose efficiency long before they fail completely.
Many AC failures don’t happen suddenly—they develop over time. Maintenance allows technicians to identify worn parts, loose connections, or airflow problems before they cause system shutdowns.
Preventive maintenance helps:
Air conditioners are major investments. Regular maintenance helps protect that investment by reducing wear and tear on critical components.
Routine service can:
In many cases, maintenance can add years to the usable life of an AC system.
Maintenance isn’t just about the equipment—it’s about how your home feels. A tuned system delivers better airflow and more consistent temperatures.
Homeowners often notice:
For homes with airflow challenges, duct-related services may also help.
During maintenance, filters and internal components are checked for dust and buildup that can affect air quality.
Regular service supports:
This is especially important for households with allergies or respiratory sensitivities.
Skipping maintenance doesn’t usually cause immediate failure—but it often leads to gradual performance decline and higher costs over time.
Common consequences include:
Many emergency service calls we receive in Plano could have been prevented with routine maintenance.
Most manufacturers and HVAC professionals recommend professional AC maintenance at least once per year—ideally before peak cooling season.
Some situations may justify additional maintenance:
Our team can help determine the right schedule for your specific system.
Understanding the distinction helps homeowners plan effectively.
AC Maintenance:
AC Repair:
Maintenance reduces the likelihood of needing repairs, but repairs may still be necessary as systems age.
Even if your system is still running, these signs suggest maintenance is overdue:
If these symptoms sound familiar, scheduling maintenance now can help restore performance.
Yes. Annual maintenance helps keep your system efficient, reliable, and operating within manufacturer guidelines, especially in Plano’s demanding climate.
Maintenance can’t prevent all repairs, but it significantly reduces the risk of major breakdowns by catching small issues early.
A clean, well-adjusted system operates more efficiently, which often results in lower energy usage and reduced utility costs.
Over time, neglected systems lose efficiency, require more repairs, and tend to fail earlier than well-maintained units.
Basic tasks like filter changes are helpful, but professional maintenance includes inspections and adjustments that homeowners can’t safely or effectively perform on their own.
We approach maintenance as more than a checklist. Our technicians focus on system health, performance, and long-term reliability—while clearly explaining what we find and why it matters.
When you choose DT Air Conditioning & Heating, you get:
We’re committed to helping homeowners stay comfortable and avoid unnecessary surprises.