O'Neil's Heating & Air Conditioning, LLC. Smithfield, NC Service Van

Stay Comfortable All Year Long

Choose the HVAC company you can trust in Clayton & Smithfield, NC

When your HVAC system malfunctions or fails, it can leave you shivering or sweating in your home. You need a knowledgeable technician to come out quickly and repair the problem correctly. That's exactly what you get when you choose O'Neils Heating & Air Conditioning, LLC. We provide HVAC service you can depend on in Clayton & Smithfield, NC.

Call our HVAC company right away! You'll be warm or cool again in no time.

HVAC Repairs

Let our experienced technicians get your HVAC system running again.

O'Neil's Heating & Air Conditioning, LLC. Smithfield, NC Air Conditioning

HVAC Maintenance

Stay on top of your system's health with routine maintenance.

O'Neil's Heating & Air Conditioning, LLC. Smithfield, NC Air Conditioning Unit

Reviews

Check out what our satisfied customers have to say.

O'Neil's Heating & Air Conditioning, LLC. Smithfield, NC Service Van
O'Neil's Heating & Air Conditioning, LLC. Smithfield, NC Air Conditioning

Your HVAC system is in good hands

No one should be without a working HVAC system in the middle of summer or winter. At O'Neils Heating & Air Conditioning, we're dedicated to providing fast, effective HVAC service for every customer. That's why we offer 24/7 service. For more than 20 years, we've been keeping the Clayton & Smithfield, NC community comfortable. When you call on us for HVAC service, our team will be right there to help.

Contact our HVAC company serving Clayton & Smithfield, NC at any time. Make sure to ask for your free estimate.

O'Neil's Heating & Air Conditioning, LLC. Smithfield, NC Service Van

Clean air at the right temperature. That's our promise.

When you choose O'Neils Heating & Air Conditioning, you're hiring a company that truly cares about your comfort. We offer HVAC service to homes and small businesses in the Clayton & Smithfield, NC area. You'll appreciate our honesty, integrity and reliability. Call on us when you need:



Our crew can handle everything from thermostat replacement and coil changes to inspections and full installations. We work with all major brands and hold a Sure Comfort certification. You can even hire us to test your air for mold and other contaminants.

Schedule a service appointment today. Don't forget to ask about our discounts for seniors, members of the military, teachers and first responders.