
At DT Air Conditioning & Heating, we emphasize the importance of having an HVAC system that you can rely on. We've been successfully installing furnaces for families in Allen for more than 25 years, and we work fast and deliver extremely high-quality furnace installations. Our work is seamless from beginning to end; whether you're replacing your old unit or need to add heat to a newly constructed space, our technicians make the process a breeze. Comfort and efficiency are what we do best, and you can trust us.
At DT Air Conditioning & Heating, we're all about ensuring the job is done right after it has been done. Serving homes for several decades, we take pride in providing fast and reliable furnace installation services suited to your home, done by trained professionals.
And that is why homeowners all over Allen trust us:
So you'll never be kept in the dark. From choosing the right size furnace and type to the installation process and final testing, we are there with you every step.


Furnace installation should not be a headache. The DT Air Conditioning & Heating service promises clear procedures, respectful technicians, and high-quality workmanship.
We will:
We keep our work areas tidy, and we treat your house like it is our own. Our technicians will answer your questions so that you are 100 percent comfortable with your new heating system before we leave.
Old furnaces tend to waste energy and cannot maintain consistent heating. With the installation of a modern energy-efficient unit, your heating costs will decrease significantly, as will the air quality in your home and any hot or cold spots.
We will help you investigate models that can qualify for your rebates and energy savings programs. Over time, these savings alone can even subsidize the price of your new system.
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.