Trusted Heating & Cooling Experts
in Leander and Surrounding Areas

Call or Request Service Online Today!

Trusted Heating & Cooling Experts
in Leander and Surrounding Areas

Call or Request Service Online Today!

Heating & Cooling

MLD Services provides expert HVAC installation, repair, and maintenance for Leander homes and businesses. Count on us for efficient, reliable comfort solutions tailored to your needs—all backed by professional service and trusted experience.

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Indoor Air Quality

Breathe easy and stay healthy by improving the indoor air quality in your Texas home. We offer a variety of solutions to reduce dust, dirt, allergens, and other contaminants inside your air ducts and inside your home. We have the solutions for cleaner air.

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Commercial HVAC

We provide the highest quality service for all of your company’s HVAC commercial cooling and heating needs. From repair, maintenance, and replacement, our HVAC professionals work with all makes and models so you can count on us for your commercial HVAC needs.

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New Construction HVAC

Let us help you implement the best-suited system for your new construction project. Involving our team from the very beginning will save you huge costs along the way. We're available to guide your choices and answer the questions you may have about your build.

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The HALO-LED™ Whole Home In-Duct Air Purifier uses our new revolutionary REME-LED® technology to help protect the air for you and your family from harmful contaminants. REME-LED® provides a longer product life with improved energy efficiency, zero ozone creation and no mercury (sometimes found in traditional UV lamps).

MLD Services

Since 2009, MLD Services has been Leander’s #1 choice for quality air conditioning and heating system installation and repair. Our expert technicians are highly trained and certified to provide the superior service and dependability you can count on, so that you’re guaranteed to live and work in comfort throughout the year.

Whether you require installation, repair, or maintenance, our technicians will assist you with top-quality service at any time of the day or night. Take comfort in knowing your indoor air quality is the best it can be with MLD Services—Leander’s solution for heating, air conditioning, and ventilation that’s cooler than the rest.

Awards and Certifications

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Customer Reviews

We love hearing from our customers! If you've had us work on your HVAC system we would love to hear from you too.

Air Conditioner Repair in Leander, TX 78641

September 21, 2025

“I contacted MLD on a Sunday afternoon when my AC went out. Their technician, Austin, was prompt, professional, and friendly. He had our
Unit repaired in 30 minutes! Their communication, pricing and expertise were all above expectations! I highly recommend MLD and will definitely reach out to them for any future HVAC needs.”

- Ashley F.

Air Conditioner Repair in Leander, TX 78641

August 26, 2025

“Had water leaking from my indoor unit. I was able to schedule super fast with Dallas and the technician Austin was able to fix the problem with ease. He vacuumed the work space and was very professional. Highly recommend and will use again!”

- Jeff L.

Air Conditioner Repair in Leander, TX 78641

May 2, 2022

“Braden arrived much earlier than expected, gave an honest accurate assessment and was able to repair right away. Thank you for such awesome work! I have saved your contact in my phone as "AC Repair" because that's all I need to have on hand now :)”

- Laurie F.