
When it comes to HVAC installation, we know that choosing the right system for your home or business is crucial. Our team will work closely with you to assess your needs and recommend the best options available. We offer a range of high-efficiency HVAC systems from leading manufacturers to ensure you get the best performance and value.
Whether you need a new air conditioning unit to combat the scorching Texas summers or a reliable heating system for those chilly winter nights, we’ve got you covered. Our professional installation services ensure your new system is set up correctly for optimal performance and longevity.
Regular maintenance is essential to keep your HVAC system running smoothly and efficiently. At DT Air Conditioning & Heating, we offer comprehensive maintenance plans designed to extend the lifespan of your system, improve energy efficiency, and prevent costly breakdowns.
Our maintenance services include thorough inspections, cleaning, and tune-ups to ensure every component of your HVAC system is in top condition. By scheduling regular maintenance with us, you can enjoy peace of mind knowing your system is ready to handle the extreme Texas weather.
If your HVAC system is experiencing issues, our skilled technicians are here to help. We provide prompt and reliable repair services to get your system back up and running as quickly as possible. From minor fixes to major repairs, we have the expertise to diagnose and resolve any problem.
Common signs that your HVAC system needs repairs include strange noises, reduced airflow, inconsistent temperatures, and increased energy bills. Don’t wait until a minor issue becomes a major problem—contact us at the first sign of trouble, and we’ll ensure your system is restored to optimal functionality.
In addition to heating and cooling services, we also specialize in indoor air quality solutions. The air quality in your home can significantly impact your health and comfort, and our team is dedicated to helping you breathe easier.
We offer a range of products and services designed to improve indoor air quality, including air purifiers, humidifiers, dehumidifiers, and ventilation systems. Our experts will assess your indoor environment and recommend the best solutions to address your specific needs.
We understand that HVAC emergencies can happen at any time, often when you least expect them. That’s why we offer 24/7 emergency services to ensure you’re never left without heating or cooling when you need it most.
Our emergency response team is always ready to provide fast and efficient solutions to restore comfort to your home or business. Whether it’s a weekend, holiday, or late at night, you can count on us to be there when you need us.


As a locally owned and operated company, we have a deep understanding of the specific HVAC needs of Garland, TX, residents. Our team is familiar with the local climate and building codes, allowing us to provide tailored solutions that meet the unique demands of our community.
Our technicians are highly trained and certified to handle all types of HVAC systems. We stay up-to-date with the latest industry advancements and best practices to ensure we provide the highest level of service to our customers.
We believe in using only the best products for our customers. That’s why we partner with leading HVAC manufacturers to offer high-quality, energy-efficient systems that deliver superior performance and reliability.
At DT Air Conditioning & Heating, customer satisfaction is our top priority. We are committed to providing exceptional service from start to finish, and we stand behind our work with a satisfaction guarantee. Our goal is to build long-lasting relationships with our customers based on trust, reliability, and excellent service.
We understand that HVAC services can be a significant investment, which is why we strive to offer competitive pricing without compromising on quality. We provide transparent pricing and detailed estimates, so you know exactly what to expect.
Garland, TX, is known for its hot, humid summers and mild winters. The climate here can put a significant strain on your HVAC system, making it essential to have a reliable and efficient heating and cooling solution in place.
Summers in Garland are typically long and hot, with temperatures often reaching the upper 90s or higher. High humidity levels can make it feel even hotter, making a reliable air conditioning system a necessity. At DT Air Conditioning & Heating, we offer a range of high-efficiency cooling solutions to keep your home comfortable throughout the summer months.
Winters in Garland are generally mild, but temperatures can occasionally dip into the 30s and 40s. A dependable heating system is crucial to ensure your home stays warm and cozy during these colder periods. Whether you need a new heating system or maintenance for your existing one, our team is here to help.
In addition to heating and cooling, maintaining good indoor air quality is essential year-round. Texas weather can bring allergens and pollutants into your home, affecting your health and comfort. Our indoor air quality solutions are designed to keep your indoor environment clean and healthy no matter the season.
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.