
AC Repair: Rely on our skilled technicians to promptly diagnose and repair any AC issues with your air conditioning system.
AC Maintenance: Ensure the ongoing efficiency and longevity of your AC unit with our comprehensive maintenance services.
AC Installation: Upgrade to an energy-efficient air conditioning system with confidence, thanks to our local AC installation services.
AC Replacement: When it's time for a new AC unit, trust us for seamless replacement tailored to your needs.
Furnaces: From repair to installation and maintenance, we offer comprehensive services to ensure optimal furnace performance.
Heating Repair: Don't endure the cold - our skilled technicians swiftly restore warmth to your home or business.
Heating Installation: Whether installing new or upgrading existing systems, we handle installations with precision and care.
Heating Maintenance: Regular maintenance is vital for a reliable heating system; let us keep yours in peak condition.
Heat Pumps: Experience year-round comfort with our specialized installation, repair, and maintenance services.
Mini Splits: Enjoy personalized comfort with our expert installation and servicing of mini-split systems.
Commercial HVAC: Tailored to the unique needs of businesses, our commercial HVAC solutions provide reliable climate control.
Indoor Air Quality: Breathe easier with our range of indoor air quality solutions, including air purifiers, filtration, and ventilation.

At DT Air Conditioning and Heating, we stand out from the competition with our commitment to excellence and dedication to customer satisfaction. Our difference lies in:
1. Expertise: With highly trained technicians and years of experience in the HVAC industry, we have the knowledge and skills to handle all your heating and cooling needs.
2. Reliability: Count on us for prompt and reliable service. Whether it's routine maintenance or emergency repairs, we prioritize your comfort and convenience.
3. Quality Workmanship: From installations to repairs, we take pride in our workmanship and attention to detail. Our goal is to ensure that every job is done right the first time.
4. Customer Satisfaction: Your satisfaction is our top priority. We strive to exceed your expectations with personalized solutions tailored to your specific needs.
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.