UP TO $5,000 IN INCENTIVES AVAILABLE | CONTACT US TODAY TO LEARN MORE

AC Replacement & Installation Services Residents of Arlington, TX Can Trust!

Air Conditioning Solutions for DFW Homes


AC Installation in Arlington, TX

Professional AC Replacement & Installation in Tarrant County


Replacing an air conditioning system is a major investment, and installation quality matters just as much as the equipment itself. Tom’s Mechanical has been installing and replacing air conditioning systems in DFW since 1960, and we focus on helping homeowners choose the right system, not just the most expensive one.


Why Arlington Homeowners Choose Tom’s Mechanical

Arlington homeowners choose Tom’s Mechanical because we:

Do not pay technicians solely on commission, so recommendations are based on what your home actually needs
Perform proper system sizing and airflow evaluations, not just equipment replacement
Work on all major AC brands, models and system configurations
Explain repair and replacement options so you can make the right long-term decision
Strive to establish long-term customer relationships by providing exceptional service
A person aims a remote at a wall-mounted air conditioner while another person watches. They are in a room with plants.

UP TO $5,000 IN INCENTIVES AVAILABLE

For professional AC installation or replacement services in Tarrant County, call us at (817) 277-4493 or contact us online today!

We offer the following AC installation services:

Emergency AC Replacement Available

If the air conditioner in your DFW home fails and cannot be repaired, call Tom’s Mechanical for emergency AC replacement.


We’ve seen every HVAC setup and breakdown scenario during our decades of service and can quickly and accurately evaluate your system, discuss replacement options and work to restore cooling to your home as quickly as scheduling and equipment availability allow.


Call (817) 277-4493 if your system has failed and you need immediate assistance.

Our customers are our top priority. Click here to meet the real people of Tom's!

Expert AC Installation Technicians in Arlington

Installing a new air conditioning system should consist of more than just replacing one HVAC system with a new but identical AC unit. Proper sizing, airflow, duct condition and thermostat setup all play a role in how well the system performs over time. Our team installs and replaces air conditioners throughout Arlington and also provides AC repair and maintenance services to keep systems running efficiently after installation.


Speak with a member of our team today by calling (817) 277-4493.

Not Every Comfort Problem Requires Air Conditioner Replacement

In many homes, comfort issues like hot rooms, weak airflow, high energy bills or systems that run constantly are not caused by the air conditioner itself. Ductwork design, return air, airflow restrictions and system sizing often play a major role in system performance. In these cases, HVAC system modifications or upgrades can sometimes improve comfort and efficiency without full system replacement.


Adding Return Air to Improve Airflow

Adding additional return air vents in homes that have too few can improve airflow, reduce strain on the system and help rooms cool more evenly.


Ductwork Modifications and Airflow Improvements

Poor duct design, undersized ducts or damaged ductwork can cause weak airflow and uneven temperatures. Modifying or replacing sections of ductwork can often improve comfort and system efficiency.


Zoning Systems for Multi-Story Homes

Zoning systems allow different areas of the home to be cooled independently. This is often a good solution for homes with hot upstairs rooms or areas that never seem to cool properly.


Variable-Speed Air Handler Upgrades

Upgrading to a variable-speed air handler can improve airflow, humidity control and overall system efficiency without replacing the entire air conditioning system.


Partial System Replacement

In some cases, replacing the evaporator coil, air handler or indoor equipment may improve performance without replacing the entire outdoor unit and system.


Duct Sealing and Insulation Improvements

Leaky or poorly insulated ductwork can reduce system efficiency and airflow. Sealing and insulating ducts can improve comfort and reduce energy loss.


Ductless Systems for Hot Rooms or Additions

Ductless mini-split systems are often used for additions, garages or rooms that are difficult to cool with the main HVAC system.


Thermostat and Control Upgrades

Upgrading thermostats and system controls can improve comfort, efficiency and temperature consistency throughout the home.


Humidity and Airflow Balance Improvements

High indoor humidity or poor airflow balance can make homes feel uncomfortable even when the air conditioner is running. System adjustments and upgrades can help improve humidity control and overall comfort.

AC Replacement FAQs in Dallas–Fort Worth

  • How do I know if I should repair or replace my air conditioner?

    If the system is older, requires frequent repairs, uses older refrigerant or has a major component failure like a compressor or coil, replacement is often more cost-effective long term. We typically evaluate the age of the system, repair history, condition of the equipment and overall system performance before recommending AC replacement.

  • How long do air conditioners usually last in Texas?

    In North Texas, most air conditioning systems last around 12–15 years depending on maintenance, installation quality and how hard the system runs during the summer. Systems that run continuously during extreme heat or have airflow issues may have shorter lifespans.

  • Do I need new ductwork when replacing my AC?

    Not always. If the ductwork is in good condition and properly sized, it can often be reused. However, many older homes have undersized return air or ductwork issues that affect system performance, so we usually evaluate the duct system during replacement estimates.

  • Can I replace just the outdoor unit or just the indoor unit?

    In some cases partial replacement is possible, but newer systems are designed to work as matched systems. Mixing old and new equipment can reduce efficiency and performance, so we typically recommend replacing matched components when possible.

  • What size air conditioner do I need for my home?

    System size is based on the home’s square footage, insulation, windows, ductwork and airflow, not just the size of the old unit. Installing a system that is too large or too small can lead to comfort problems and higher energy bills, so proper sizing is important.

  • How long does AC replacement take?

    Most residential AC replacement projects take one day, though more complex installations involving ductwork modifications, zoning systems or system redesign may take longer.

  • Will a new air conditioner lower my energy bills?

    Newer systems are typically more efficient than older equipment, especially if the existing system is 12–15 years old or older. However, energy savings also depend on ductwork condition, insulation, thermostat settings and overall system design.

  • What SEER rating should I choose in the Dallas–Fort Worth area?

    Higher SEER and SEER2 systems are more efficient but also more expensive upfront. The best option usually depends on how long you plan to stay in the home, your household’s usage habits, energy costs and budget. We can help compare efficiency options and expected operating costs based on your indoor temperature preferences.

  • Do you offer financing for AC replacement?

    Many homeowners choose financing for AC replacement because it allows them to install a more efficient system without paying the full cost upfront. Special financing options may be available for customers with approved credit.

  • What brands of air conditioners do you install?

    We install several major air conditioning brands and recommend equipment based on reliability, efficiency, warranty and budget rather than pushing a single brand.

  • What happens during an AC replacement estimate?

    During an estimate, we typically inspect the existing system, evaluate ductwork and airflow, discuss comfort issues, measure the home if needed and provide replacement options and recommendations.

  • What should I do to prepare for AC replacement installation day?

    Homeowners should make sure technicians have access to the indoor unit, outdoor unit, electrical panel and thermostat. Clearing space around equipment and ensuring pets are secured can help the installation go smoothly.

To speak to a member of our team, don’t hesitate to contact us today by calling (817) 277-4493.

5-STAR REVIEWS FOR 5-STAR SERVICE

Your Comfort & Overall Home Health Are Our Priorities



“I am compelled to take a few minutes from my hectic day to recognize something extremely rare and wonderful that I received from Tom's Mechanical”


- Jason W.


“All of the techs that have serviced have all done a great job”


- Edward D








“Their work and customer service is first class all the way”


- Andre




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