Heating, Cooling, and Air Quality Services in O’Fallon, MO

Local Experts. World-Class Service. Contact us today to book your Heating or A/C Installation, Repair, or Maintenance Appointment!

Hoock's Heating and Cooling has been the name O'Fallon residents trust for HVAC repair, system maintenance, and unit installation since 2017. We know the challenges of living in an area where temperatures fluctuate significantly throughout the year. Our mission is to keep your heating and AC systems functioning at a high capacity, allowing you to stay comfortable throughout each season.

From standard routine maintenance to emergency repairs and everything in between, you can trust Hoock's to get it right the first time. Contact us today to book your appointment with a certified expert.

Furnace Repair

A functional furnace is the foundation of your home’s overall comfort. It’s easy to take it for granted, but when something goes wrong, fixing it immediately becomes priority #1. In addition to comfort, there’s an even more essential reason to keep your furnace in top shape. In some cases, a furnace malfunction may cause small carbon monoxide leaks that can increase the risk of serious illness.

O’Fallon area homeowners deserve to feel safe and comfortable in their space, and our expert technicians have the training to ensure your system performs day in and day out.

Air Conditioning Repair

During hot Midwest summers, air conditioning is your family’s best friend. We recognize the role AC plays in your daily life, which is why each technician on our team employs the latest techniques to restore your system to optimal functionality while minimizing downtime and inconvenience. In addition, our competitive upfront pricing won't make you sweat.

Full HVAC System Installation

When you’re ready to upgrade, we’ll Hoock you up with a state-of-the-art, high-efficiency HVAC system. From consultation to installation, we'll customize your options to fit your home’s unique requirements.

Our seamless 4-step installation process is convenient, cost-effective, and offers minimal disruption from your everyday routine.

STEP 1: No Cost Consultation

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STEP 1: No Cost Consultation

During our initial review, we’ll review your home's existing system, ductwork, and other factors that help us determine the ideal system for your property. Next, we'll ask you a few questions about your existing system and discuss potential options and upgrades. If necessary, to confirm proper sizing, we may conduct a load calculation to ensure we install the optimal system size for your home. After gathering all the required information, our team will create a personalized proposal with systems matching your family's needs and budget.

Step 2: Choosing the System and Scheduling

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Step 2: Choosing the System and Scheduling

After determining the best system for your home, we'll help you understand the financial details – including our 0% financing option. After confirming a payment schedule, we will work with you to find a convenient date and time for your installation. Typically, we can complete most installations in just one day!

Step 3: Installation


Step 3: Installation

On installation day, our technicians will arrive in the morning to begin prepping the site. We are committed to keeping your home clean and will lay down floor coverings to prevent tracking any dirt or debris into your space. Our technicians will install and thoroughly test your system, ensuring optimal performance. Once we’re up and running, a team member will go through the details of your new system while providing valuable information regarding new features and capabilities. Before we head out the door, we'll sweep, vacuum, and ensure you’re satisfied with the comfort of your home.

Step 4: Follow-Up

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Step 4: Follow-Up

We believe true comfort includes your peace of mind. That’s why every system installation includes a 10-year parts and labor warranty PLUS one year of complimentary maintenance. We will follow up six months after your installation and again on the one-year anniversary to ensure your satisfaction meets our standards. In addition, we will perform the necessary cleaning protocols to keep your system running as efficiently as it did on day one.

Mini-Split & Ductless Systems

Mini-split and ductless systems can be a cost-reducing solution for O’Fallon residents looking to optimize energy efficiency and take advantage of zoning capabilities. Our mini-split ductless air systems and heat pumps from Mitsubishi are a breeze to install and provide heating and cooling for room additions, detached spaces, and even entire homes.

Indoor Air Quality

Though it's not always obvious, Indoor Air Quality (IAQ) can significantly impact your family's health - both humans and pets. We recommend routine air quality inspections to ensure proper air filtration, mold/mildew growth prevention, and to filter out dust, pet dander, and other allergen build-ups in your air ducts.

Hoock's Heating and Cooling helps O’Fallon residents optimize IAQ through humidification, dehumidification, air purification, and UV light installation services. The systems are often very cost-efficient and can improve everyday wellness.

Why Hire Hoock’s For Your HVAC Service in O’Fallon, MO?

When choosing an HVAC service team in your area, we know you have options. Our valued customers choose Hoock's for their maintenance and repair needs because we prioritize their comfort and satisfaction. We are committed to our values, transparency, fairness, and upfront pricing. You won't feel like we're trying to sell you something you don't need, and we are happy to answer any questions or concerns you have throughout the process.

If you're ready to see how an HVAC experience should be, contact a team member today to schedule an appointment.

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