
Dealing with an old problem like an inconsistent or malfunctioning A/C unit in your home can be troublesome at best. But choosing what kind to install might just make things even more complicated. How to know if it’s time to say goodbye to an outdated model and upgrade instead?
There are six signs telling you that it's time to replace the cooling system:
1. The system is more than 10 years old.
2. The system asks for frequent repairs.
3. The system releases hot air at some places and cold air at other
4. The energy bills are higher than normal.
5. The system employs R22 refrigerant (and this is phased out).
Our technicians have been in the business for several years, making them some of the most experienced workers on the market. If you are searching for a dedicated group of professionals, look no further than us.
If you have answered yes to two or three of the above signs, getting a new cooling unit will probably be your best option. Get ready because it’s time that our expert technicians take care of business and replace your aging air conditioning with one from us. Our technicians undergo continuous training, meaning that they know precisely how to work with even the most modern systems on the market. We genuinely value your satisfaction and comfort above all else, meaning that we will do anything to get the job done right.
We'll make sure it's not too big and won't be oversized, but also one that’s powerful enough to cool everything down in the warmer months with minimal fuss. Did you know that your AC unit could be too big or too small? A system that’s either one of these can lead to a loss of inefficiency, which is just another reason why it's important for our team. We have the expertise and indoor comfort assurance!


Some benefits come with properly maintaining your AC system:
● You will potentially end up saving money. Since your unit will be running more effectively, it will use less energy. For this reason, you will end up saving money on your electricity bill every month.
● You will enjoy peace. With your AC system running more effectively, it will make less noise while it is operating.
● You will live in comfort. AC systems are an absolute must during those uncomfortably hot summer months. Instead of struggling with a faulty AC system, be sure to give us a call today. We will have you and your family living in complete comfort in no time.
From installation, maintenance, or emergency services - we have the perfect solution for every type of need! Let us show you how easy it can be so that tomorrow's hot summer day becomes a breeze.
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.