New Name, Same Great Service

McWilliams Heating, Cooling and Plumbing is proud to welcome Air Express to our family! Together, we will continue to bring you top-notch Heating and AC solutions from our qualified, professional team of experts.

There’s no way to beat the Texas heat without excellent cooling equipment, and at McWilliams Heating, Cooling and Plumbing, we specialize in helping our friends and neighbors find the best air conditioners available and keep them running at maximum efficiency. We provide expert home heating and cooling services 7 days a week, from 7am to 7pm with NO overtime fees.

Ductless Air Conditioner Solutions in Katy, TX
Ductless Air Conditioner Solutions in Katy, TX

Ductless Air Conditioner in Katy, TX and Surrounding Areas

Ductless Air ConditionerWhen the sweltering Texas heat becomes unbearable, and you require a reliable cooling solution for your Katy home or business, look no further than McWilliams and Son. We’ve been the trusted choice for ductless air conditioner systems in Katy, TX since 1974, serving the Katy community with unwavering dedication and expertise.

Discover the Benefits of Ductless Cooling

Traditional air conditioning systems have limitations when staying comfortable in Katy, TX. That’s where ductless air conditioners step in as a game-changer. Here’s why you should consider ductless cooling for your home or business:

  • Energy Efficiency: Ductless systems are exceptionally energy-efficient, ensuring your comfort while reducing utility costs, making them the intelligent choice for cooling your space.
  • Zoned Comfort: Our ductless AC systems enable you to create personalized comfort zones, so each area of your home or office has customized temperature settings. Enjoy ultimate comfort and efficiency.
  • Enhanced Indoor Air Quality: Ductless units improve indoor air quality thanks to advanced filtration systems. You’ll enjoy cleaner, fresher air, promoting a healthier living environment.
  • Quick and Easy Installation:  With no need for extensive ductwork, ductless air conditioner systems offer a hassle-free installation process. Our expert technicians can have your system up and running quickly, ensuring you enjoy excellent comfort without delay.

Year-Round Comfort: Ductless systems offer cooling and heating capabilities, ensuring comfort regardless of season. Enjoy efficient and versatile climate control with McWilliams and Son.

Mastering Ductless Air Conditioners: The Do's and Don'ts

Now that you’ve decided to explore ductless cooling, it’s essential to master some crucial dos and don’ts to ensure optimal performance and longevity:

The Do’s:

  • Regular Maintenance: Consistent maintenance plays a crucial role in ensuring the efficient operation of your system. Count on our experienced HVAC technicians for expert service and peace of mind.

  • Proper Placement: Ensuring that your ductless units are strategically positioned is crucial for achieving maximum comfort and efficiency in indoor spaces.

  • Clean Filters: Ensure optimal indoor air quality with regular filter maintenance. Clean or replace your system’s filters to keep the air in your space fresh and healthy for you and your loved ones.

The Don’ts:

  • Neglecting Maintenance: Neglecting regular maintenance for your ductless air conditioner can result in diminished performance and potentially expensive repairs, jeopardizing your comfort and budget.

  • DIY Repairs: It’s advisable to leave the job to experienced professionals for complex ductless air conditioner repairs. DIY attempts may worsen the issue, leading to costlier problems.

Ignoring Strange Sounds: Neglecting unusual sounds from your ductless system can lead to more significant problems. Contact us promptly for professional diagnosis and resolution of any issues, ensuring your system’s optimal performance.

Our Comprehensive Ductless AC Services

At McWilliams and Son, we take pride in offering comprehensive ductless AC services tailored to your needs.


  • Expert Installation: Trust our skilled technicians to install your system with precision and care, ensuring optimal performance from day one.

  • Customized Solutions: We tailor our installation services to meet your needs, creating a cooling system that perfectly suits your property.

  • Energy Efficiency: Our installation techniques prioritize energy efficiency, helping you save on utility bills while staying comfortable.


  • Scheduled Tune-Ups: We offer routine maintenance checks to keep your system in top shape, preventing potential issues before they become significant problems.

  • Filter Cleaning and Replacement: Our experts ensure your system’s filters are clean and functional, improving indoor air quality.

  • Ductless System Cleaning: Thorough indoor and outdoor component cleaning ensures optimal airflow and cooling efficiency.


  • Swift Diagnostics: Our skilled technicians utilize state-of-the-art diagnostic equipment to pinpoint the underlying reasons behind any problems.

  • Efficient Repairs: With extensive experience, we perform repairs efficiently, minimizing downtime and discomfort.

  • Quality Parts: We exclusively utilize top-notch replacement components to guarantee enduring repairs and dependable performance.


  • Assessment and Consultation: We assess your current system and provide recommendations based on your cooling needs and budget.

  • Efficient Replacement: Our installation team ensures a hassle-free replacement process, leaving you with a brand-new and efficient ductless air conditioner.

Energy-Efficient Options: We provide a variety of energy-efficient replacement units designed to assist you in reducing your long-term cooling expenses.

Experience the McWilliams and Son Advantage

In Katy, TX, where the Texas heat is relentless, ductless air conditioners from McWilliams and Son offer the ideal solution for homeowners and business owners. Enjoy energy efficiency, personalized comfort, and unparalleled expertise. Feel free to contact us today and begin your path to a cooler and more comfortable living space. Don’t sweat the heat; choose McWilliams and Son.

Contact us today to schedule a consultation and experience unparalleled comfort and efficiency.