HVAC Repair You Can Trust

At Sub Zero Mechanical, we’re committed to providing the highest quality heating and cooling services to our community in Granbury, TX, and beyond.

Whether you’re looking for a quick repair, a seasonal tune-up, or a complete installation, we bring a customer-first approach to every job. With a foundation built on honesty, hard work, and extensive training, our services cover all residential and commercial HVAC needs.

  • Completing a repair on a customer's indoor air handler unit.
  • Running a diagnostic on a customer's AC compressor.

Fast, Reliable Repair Solutions

Is your air conditioning or heating system struggling to keep up? Many times, common issues like strange noises, low airflow, or uneven temperatures are early signs of more significant problems.

Repairing an older model air conditioner.

At Sub Zero Mechanical, we handle HVAC repairs, focusing on fixing the problem right the first time, saving you from more substantial issues and unexpected breakdowns down the road.

We believe in addressing issues directly with a “repair-first” approach, which means we’ll always look to fix what’s broken before recommending a replacement.

With years of experience across different brands and equipment types, we’re fully licensed and trained to work on all HVAC systems and components, from compressors to coils and more.

As a local, owner-operated business, you’ll find that dedication to honest work and customer satisfaction backs every repair call. Call us today at 817-771-0903 to see why your friends and neighbors in Granbury choose Sub Zero Mechanical!