
At DT Air Conditioning & Heating, we’ve built our reputation as a reliable, locally-owned HVAC service company, offering fast, efficient, and affordable air conditioning and furnace solutions. We understand how hot the Texas summer can get and how cold it can be in the winter, making the comfort of your home a top priority. Our skilled technicians are experienced in both residential and commercial HVAC services, ensuring your AC and heating systems are in good hands.
We serve residents and businesses across Plano East, TX, and surrounding areas, including Frisco, Allen, McKinney, and beyond. Our technicians are familiar with the unique climate challenges we face in North Texas, and we’re always prepared to provide prompt service that meets your needs. Whether it's a minor repair or a major installation, our team is committed to delivering high-quality, long-lasting solutions.
We take pride in offering a full range of HVAC services, including air conditioning repair, installation, furnace repair, and furnace installation. Here’s a breakdown of what we do:
There’s nothing worse than discovering your air conditioner isn’t working properly on a scorching day in Plano East. When your AC starts showing signs of trouble, it’s time to call the experts. We specialize in diagnosing and fixing all types of AC issues, from refrigerant leaks to faulty compressors. Our team is equipped with the tools and knowledge to restore your system to full functionality quickly and efficiently.
If your air conditioning system is old, inefficient, or beyond repair, we’ll help you choose the right replacement unit for your home. We work with top-rated AC brands and ensure that your new system is installed correctly for maximum performance. From sizing the unit to installing the necessary components, we handle every step of the installation process with precision.
During the colder months in Plano East, a malfunctioning furnace can be a major inconvenience. Whether your furnace is making strange noises, blowing cold air, or not turning on at all, our team can diagnose and fix the issue. We understand the importance of having a properly functioning heating system, especially during the cold Texas nights.
If your furnace has reached the end of its lifespan, we offer furnace installation services to ensure that your home remains warm and cozy. We’ll help you choose a furnace that suits your home’s size and heating needs, and our professional technicians will install it with precision. We also offer maintenance services to ensure your furnace runs smoothly year after year.

Plano East is a vibrant community located in the heart of the Dallas-Fort Worth metroplex. Known for its family-friendly atmosphere, excellent schools, and growing number of businesses, Plano East is a place where comfort matters – and that’s where we come in. At DT Air Conditioning & Heating, we are proud to serve our neighbors in Plano East and the surrounding areas with the highest quality HVAC services.
Texas weather is known for being unpredictable, with soaring temperatures in the summer and chilly nights in the winter. Having a reliable HVAC system is crucial to maintaining comfort in your home throughout the year. That’s why we offer comprehensive AC and furnace services that address the unique challenges of living in North Texas. We are committed to providing fast and reliable service when you need it most, whether you’re dealing with a sudden breakdown or scheduling routine maintenance to ensure your system is running smoothly.
We understand that your home is your sanctuary, and you deserve to have an HVAC system that works as efficiently as possible. Whether you need a quick repair, a new system installation, or regular maintenance, we’re here to help. Our technicians live and work in the area, so we know the local climate and how to optimize your HVAC system for maximum efficiency.
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.