
At DT Air Conditioning and Heating, we offer a wide range of HVAC services to meet all your heating and cooling requirements. From AC repairs and maintenance to furnace installations and indoor air quality enhancements, our team of skilled technicians is dedicated to keeping your indoor environment comfortable and healthy throughout the year. Discover our services below:
AC Repair: Our experts promptly diagnose and resolve any issues with your air conditioning system.
AC Maintenance: Keep your AC unit running efficiently with our detailed maintenance services designed to prevent breakdowns and extend its lifespan.
AC Installation: Upgrade to a new, energy-efficient air conditioning system with our professional installation services.
AC Replacement: When it’s time for a new AC unit, rely on us for a seamless and hassle-free replacement process.
Furnace Services: We provide comprehensive repair, installation, and maintenance services to ensure your furnace operates efficiently.
Heating Repair: Don’t let a malfunctioning heater leave you in the cold. Our technicians will quickly restore warmth to your home or business.
Heating Installation: Whether you need a new heating system or an upgrade, we ensure precise and efficient installation.
Heating Maintenance: Regular maintenance is key to a reliable heating system. Let us keep your heater in top condition for optimal performance.
Heat Pumps: We specialize in the installation, repair, and maintenance of heat pump systems for year-round comfort.
Mini Splits: Enjoy customized comfort with our mini-split system installation and servicing.
Commercial HVAC: Our commercial HVAC services are tailored to meet the specific needs of businesses, offering reliable climate control solutions.
Indoor Air Quality: Improve your indoor air quality with our solutions, including air purifiers, filtration systems, and ventilation services.

Choosing DT Air Conditioning and Heating means opting for top-tier HVAC services. Here’s what sets us apart:
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.