Our Blog

Outside AC unit

Everything You Wanted to Know About Replacing Your HVAC: Part 1 – Proper Sizing and Design

Learn why proper HVAC sizing and design are crucial for efficiency and comfort. Get insights on choosing the right system size for your home in Austin.
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McCullough Heating and Air Conditioning Wins Coveted Carrier® President’s Award for 5th Year in a Row

At McCullough Heating and Air Conditioning, we’re proud of our work and commitment to customer service. That’s why it brings us great joy to announce that we’ve won the President’s Award from Carrier for 2022! This prestigious award is given to a handful of heating and cooling companies that have been dedicated to providing exceptional … McCullough Heating and Air Conditioning Wins Coveted Carrier® President’s Award for 5th Year in a Row Read More »
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McCullough Earns the 2022 Department of Energy Century Club Award

We are excited to announce that McCullough has earned the 2022 Home Performance with ENERGY STAR® Century Club Award from the U.S. Department of Energy. At McCullough, we’re committed to improving the energy efficiency of homes across Austin. We are pleased to have our work recognized by the DOE. The Century Club award recognized contractors … McCullough Earns the 2022 Department of Energy Century Club Award Read More »
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How Energy Costs Impact Your Household’s Bottom Line

Understand how energy costs affect your household budget and learn ways to manage and reduce energy expenses with efficient HVAC solutions.
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Bringing in a new condenser

To Repair or Replace Your HVAC System: That is the Question

Wondering whether to repair or replace your HVAC system? Learn the factors to consider, from repair frequency to efficiency, and make an informed decision for your home.
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AC units outside a home

What Goes into the Price Tag of Your New HVAC System?

Discover the factors that impact the cost of a new HVAC system, including equipment type, installation, and energy efficiency, to help you make an informed decision.
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Why We Support Leander ISD’s Educational Excellence Foundation (LEEF)

McCullough Heating & Air Conditioning is a locally owned and operated business. Just like you, our employees live all across the Greater Austin area. That means our children attend the same public schools as our customers. So when we consider which organizations we’d like to support, our local school districts rank high on the list. … Why We Support Leander ISD’s Educational Excellence Foundation (LEEF) Read More »
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Looking over an HVAC unit

Weird HVAC Noises and When to Worry

Hear a strange noise from your HVAC system? Learn about common HVAC sounds, what they mean, and when it’s time to call for professional help to prevent costly repairs.
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How Your HVAC Can Help You Fight Cold & Flu Season

Discover how your HVAC system can improve indoor air quality and reduce the spread of germs during cold and flu season. Keep your home healthier this winter.
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