Heating & Air Conditioning in Sun City, TX

Your Local HVAC Company Since 1977

Living in Sun City, TX means enjoying sunny skies and warm weather—but when the Texas heat peaks or the winter chill sets in, you need an HVAC company you can rely on. McCullough Heating & Air Conditioning is proud to serve the Sun City community with dependable heating, cooling, and home energy services.

With decades of experience and a reputation for honest, high-quality workmanship, we’re committed to keeping your home comfortable, efficient, and worry-free in every season. From AC repairs and heating installations to energy-saving upgrades, we’ve got your comfort covered.

Air Conditioning Services in Sun City, TX

AC Repair

Don’t let a broken air conditioner ruin your day. McCullough Heating & Air Conditioning offers fast, professional AC repair in Sun City, restoring your home’s comfort quickly and efficiently. Our skilled technicians can diagnose and fix issues with all major makes and models, ensuring long-lasting performance.

AC Installation & Replacement

When it’s time to replace your air conditioning system, we’ll help you find the right unit for your home’s size, budget, and comfort goals. We install energy-efficient systems that provide powerful cooling while helping lower your monthly energy bills—all backed by professional installation and reliable service.

AC Maintenance & Tune-Ups

Prevent breakdowns before they happen with our thorough AC maintenance and tune-up services. We inspect, clean, and optimize your cooling system to ensure it’s ready to handle the Texas summer. Regular maintenance keeps your system efficient and extends its lifespan.

Heating Services in Sun City, TX

Heater Installation & Replacement

Even in Central Texas, those chilly winter nights call for dependable heating. McCullough provides expert heater installation and replacement in Sun City, including high-efficiency furnaces and heat pumps. We’ll help you choose the best system for your comfort needs and energy goals.

Heater Repair & Maintenance

If your heater isn’t working properly, we can help. Our experienced technicians handle all types of heater repairs, from electrical issues to poor airflow. Keep your system running smoothly with annual maintenance, ensuring safe operation and optimal performance when you need it most.

Furnaces & Heat Pumps

Whether your home uses a furnace or a heat pump, our experts have the knowledge and tools to keep it in top shape. We offer installation, repair, and maintenance for both systems—so your home stays comfortable all winter long.

Home Energy Solutions in Sun City, TX

Attic Insulation

Keep your home cooler in the summer and warmer in the winter with professional attic insulation from McCullough. Proper insulation helps regulate indoor temperatures and reduce your HVAC system’s workload—saving energy and improving comfort all year round.

Home Energy Audits

Take control of your energy costs with a comprehensive home energy audit. Using advanced tools and testing, we identify where your home is losing energy and provide expert recommendations to improve efficiency, comfort, and savings.

Solar Shading

Sun City is known for its bright Texas sunshine—but that also means more heat gain. Our solar shading solutions help block excess heat while maintaining natural light, improving your home’s energy efficiency and reducing cooling costs.

Why Sun City Homeowners Choose McCullough Heating & Air Conditioning

At McCullough Heating & Air Conditioning, we’re proud to serve Sun City residents with trusted HVAC expertise and energy-saving solutions. Whether you need fast repairs, new system installation, or ways to make your home more efficient, our team is dedicated to your comfort and satisfaction.

Cutting-Edge Technology for Peak Performance

We stay ahead of the curve with the latest HVAC technologies, ensuring your home enjoys the highest level of performance and energy efficiency. From smart thermostats to variable-speed systems, our innovative solutions help maintain perfect comfort while lowering energy consumption.

Tailored Preventive Maintenance Plans

We don’t just service systems when they break—we take proactive steps to prevent problems before they occur. Our customized preventive maintenance plans are designed to extend the lifespan of your equipment, optimize performance, and reduce costly repairs over time.

Deep Knowledge of Sun City’s Unique Climate Needs

Sun City’s climate can vary, and we understand the challenges it brings. Our team is highly familiar with the local weather patterns, ensuring that the HVAC solutions we provide are perfectly suited to the area’s temperature fluctuations, humidity, and air quality needs.

Building a Stronger Sun City, One Service at a Time

At McCullough Heating & Air Conditioning, our roots run deep in Sun City, and we’re proud to support the community in meaningful ways. Beyond delivering top-notch HVAC solutions, we’re dedicated to making a difference through local involvement, charity, and volunteer efforts. We proudly support the Leander Educational Excellence Foundation (LEEF) and other Central Texas initiatives that uplift students, empower educators, and strengthen families. From supporting education to participating in local events and family-centered initiatives, we are passionate about giving back. Our team lives here, works here, and is committed to creating a positive, lasting impact for the future of Sun City.

Sustainable Practices for a Greener Future

We are committed to helping Sun City homeowners reduce their carbon footprint. Whether through energy-efficient system installations or eco-friendly maintenance practices, we provide sustainable HVAC solutions that align with the growing demand for environmental responsibility.

Exclusive VIP Program for Loyal Customers

We value the trust our customers place in us, which is why we’ve created an exclusive VIP program that offers priority scheduling, discounts, and special perks. As a VIP member, you’ll always have fast access to our top-tier services, saving you time and money.

Proudly Serving Sun City and the Greater Central Texas Community

McCullough Heating & Air Conditioning proudly provides HVAC services throughout Sun City and neighboring areas, including Liberty Hill, Cedar Park, and Brushy Creek. Whether you’re located near Cowan Creek or in one of Sun City’s newer developments, our team brings personalized comfort solutions right to your door. With deep knowledge of local housing styles and climate demands, we offer reliable, energy-efficient results that match the rhythm of Central Texas living.