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ductless mini split blowing air

What Is a Ductless Mini Split?

Curious about ductless mini splits? McCullough Heating & Air Conditioning explains how they work and when to install one. Call (512) 798-0839 to learn more.

Air Conditioner Repair, Preparing to Charge System

Understanding the 2025 HVAC Refrigerant Mandate: What Austin Homeowners Need to Know

Learn how the 2025 HVAC refrigerant mandate impacts your cooling system. McCullough Heating & Air Conditioning explains what homeowners need to know. Call today!

HVAC technician replacing AC unit

Why Spring 2025 Might Be the Smartest Time to Replace Your AC System

Thinking about AC replacement? Spring 2025 is the perfect time to upgrade. McCullough Heating & Air Conditioning offers expert service and HVAC installations.

A woman in a home adjusting a smart thermostat.

What to Set Your Thermostat to in Winter

Wondering what to set your thermostat to in winter? McCullough Heating & Air Conditioning shares expert tips to keep your home cozy and energy-efficient.

McCullough HVAC technician working on a Carrier HVAC unit

What the 2025 Refrigerant Mandate Means for Your Home

Learn how the 2025 refrigerant mandate impacts your HVAC system. Upgrade now with McCullough Heating & Air Conditioning to lock in savings and boost efficiency before costs rise on new freon in 2025!

McCullough’s Austin Energy HVAC Rebates Increased by 35%!

Learn how to save on energy-efficient HVAC systems in Austin! McCullough’s Austin Energy rebates have jumped 35% in 2024, giving homeowners significant savings.

Happy mother and son at home using a smart thermostat to adjust the temperature.

How Much Does It Cost to Run Your AC Unit in Austin?

Discover the factors that affect the cost of running your AC in Austin. Learn tips to save on cooling expenses with McCullough Heating & Air Conditioning.

HVAC heating and air conditioning residential units or heat pumps

Repair or Replace? Decoding the Dilemma for Your HVAC System

Unsure whether to repair or replace your HVAC system? Discover the factors that can help you make an informed decision with expert advice from McCullough Heating & Air.

Air conditioner unit outdoors in side yard of a brick home in hot summer season.

Earn up to a $500 Federal Tax Credit with Purchase of Energy Efficient Systems

Learn how you can earn up to a $500 federal tax credit when you purchase energy-efficient HVAC systems from McCullough Heating & Air Conditioning. Discover your savings today!