
At DT Air Conditioning & Heating, we understand the importance of a properly functioning furnace for your business operations. A malfunctioning furnace can lead to discomfort for employees and customers, as well as potential damage to your property and inventory. That's why we offer comprehensive commercial furnace repair services to ensure your system is operating at peak performance.
With our team of highly trained technicians, we have the expertise to diagnose and repair a wide range of commercial furnace issues. Whether it's a minor repair or a major overhaul, you can trust us to get the job done right the first time. We work with all makes and models of commercial furnaces, so you can rest assured that we have the knowledge and experience to handle your specific system.


When you choose DT Air Conditioning & Heating for your commercial furnace repair needs, you can expect a seamless process from start to finish. Here's what you can expect when you work with us:
Thorough Inspection: Our technicians will conduct a comprehensive inspection of your commercial furnace to identify any issues or potential problems.
Diagnosis: Once the inspection is complete, we'll provide you with a detailed diagnosis of the issue and recommend the best course of action for repair.
Expert Repair: Our skilled technicians will perform the necessary repairs using high-quality parts and materials to ensure long-lasting results.
Testing and Quality Assurance: After the repairs are complete, we'll test your furnace to ensure it's functioning properly and meets our strict quality standards.
Follow-Up: We believe in providing exceptional customer service, which is why we'll follow up with you to ensure your satisfaction with our work.
At DT Air Conditioning & Heating, we prioritize customer satisfaction above all else. We understand that dealing with a furnace repair can be stressful, which is why we strive to make the process as smooth and hassle-free as possible for our customers. From our prompt response times to our transparent pricing and quality workmanship, you can trust us to deliver exceptional service every step of the way.
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.