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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!

McCullough technician outside the McCullough van

HVAC Timing Part 2: Why Replace Your HVAC System in the Shoulder Season

Discover the benefits of replacing your HVAC system during the shoulder season. Learn how this timing saves money, ensures availability, and offers smoother installation.

Working on an AC

HVAC Timing Part 1: Why Tune Up in the Opposite Season?

Discover why tuning up your HVAC system in the opposite season is ideal. Learn how proactive maintenance enhances system performance, efficiency, and longevity.

Working on an AC unit

How to Prevent Overloading Your HVAC System

Learn how to avoid overloading your HVAC system with practical tips to maintain performance, reduce energy costs, and extend your system’s lifespan.

Hand using a calculator to to plan for finances.

Is Financing a New HVAC a Good Idea?

Discover the pros and cons of financing a new HVAC system. Learn if it's the right choice for your budget and comfort needs with expert advice from McCullough Heating & Air Conditioning.

Supply Chain Issues in the HVAC Industry

Explore how global supply chain issues are affecting the HVAC industry and what this means for homeowners. Stay informed with McCullough Heating & Air Conditioning.

AC units outside a home

Everything You Wanted to Know About Replacing Your HVAC: Part 3 – Making Your Home Energy Efficient

Discover tips to maximize energy efficiency when replacing your HVAC system. From insulation to smart thermostats, learn how to make your home more sustainable

An outside AC unit

Everything You Wanted to Know About Replacing Your HVAC: Part 2 – Proper HVAC Installation

Learn how your new HVAC system should be installed when you have a full HVAC replacement scheduled. McCullough Heating & Air Conditioning provides professional insights.

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.