
Whether you need quick repairs, routine maintenance, or a complete system upgrade, we’re here to design solutions that keep your home or business perfectly comfortable all year long.

Why Choose Delta T?
Benefits of Working With Our Expert Team
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As a family-run business, we’re dedicated to serving the Outer Banks community with care and accountability.
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Our customers consistently rate us highly for our commitment to excellence and satisfaction.
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We use top-tier materials and expert craftsmanship to ensure your HVAC system stands the test of time.
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We prioritize clear communication, punctuality, and honest service from start to finish.
Corolla HVAC Company
Humidity, salt air, and shifting temperatures can cause breakdowns faster than many Corolla residents expect. Whether you live here full-time or own a vacation property, reliable HVAC service is essential to keeping homes comfortable and protecting your investment.
That’s where Delta T Heating & Air comes in. For more than 25 years, we have served coastal North Carolina with honest recommendations, timely repairs, and preventive care that keeps systems running when you need them most.
Call (252) 418-2914 or schedule online for fast, dependable heating, cooling, and air quality solutions.
Comprehensive Heating, Cooling, and Air Quality Services
Our services cover everything needed to keep Corolla homes safe and comfortable:
- Heating & Cooling – Installation, replacement, and repair for central HVAC systems, furnaces, and heat pumps. We size each system correctly for the home, preventing inefficiencies caused by undersized or oversized equipment.
- Ductless & High-Efficiency Options – Mini-splits and advanced heat pumps tailored for efficiency and comfort in coastal conditions. Perfect for additions, guest spaces, or homes without traditional ductwork.
- Preventive Maintenance – Seasonal tune-ups and inspections that extend system life and reduce surprise breakdowns. Maintenance includes coil cleaning, refrigerant checks, and airflow balancing.
- Thermostats & Controls – From standard replacements to smart thermostats that give you remote access. Smart controls are especially valuable for second-home owners.
- Air Quality Solutions – Duct cleaning, dehumidifiers, humidifiers, and advanced filtration for healthier indoor air. We help tackle mold, odors, and allergens common in coastal homes.
From expert installations to quick repairs and preventive maintenance, we offer everything you need to keep your home or business comfortable. Our skilled team delivers reliable service designed to meet your unique needs.

Our CustomerS Love Us!
Read Our Google Reviews

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Great staff and very professional and knowledgeable.- Skip L., Mar 19, 2025
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Very thorough, cleanliness-minded, and efficient.- Jim H., Mar 17, 2025
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Would not hesitate to recommend them.- Mario D., Mar 4, 2025
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Prompt, courteous service. Reasonable rates.- Barbara H., Jan 17, 2025
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Excellent service promptly on a Sunday to restore my heat and correct several serious electrical issues which could have caused a house fire if not corrected.- Marianne R., Jan 16, 2025
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Setting up an appointment was easy and Liz was very accommodating.- Tony P., Jan 15, 2025
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Delta T is doing a great job keeping our 16-year-old R22 heat pump running well.- Joey B., Jan 10, 2025
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They were true professionals. They cleaned up each day and kept us up to date on their progress.- Lynn M., Jan 9, 2025


Trusted Brands, Reliable Performance
Partnering with the Best for Your Comfort

Upgrade your HVAC system today with financing options designed to fit your budget. We make it easy to enjoy reliable heating and cooling without breaking the bank.

Our Step-by-Step HVAC Service Process
At Delta T Heating & Air, we believe customers deserve more than a quick fix. Every service call follows a process designed to deliver clarity, reliability, and respect for your home.
- Initial Conversation – We begin with a discussion about your concerns, comfort goals, and the history of your system.
- Thorough System Inspection – Our technicians check all major components, from coils and filters to ductwork and controls. We look for both obvious issues and hidden signs of wear that could become problems later.
- Clear Explanation of Findings – Before any work begins, we explain what we discovered in plain language. You will know what needs immediate attention, what can wait, and what is optional.
- Upfront Pricing – We provide a straightforward estimate so there are no surprises when the work is complete.
- Precision Repairs or Installation – Work is carried out with attention to detail, ensuring the system is fixed correctly the first time. For installations, we confirm sizing and placement to maximize efficiency and comfort.
- Respect for Your Home – We protect floors and work areas, avoid unnecessary disruption, and handle equipment with care. After finishing, our team cleans up fully, leaving the space as tidy as when we arrived.
- Walkthrough and Final Questions – Before leaving, we show you exactly what was done, answer questions, and confirm that your system is operating properly.
Fast Response for Peak Season Emergencies
When HVAC systems fail in Corolla, it often happens when they are working their hardest. This could be during a July afternoon, a holiday weekend, or a back-to-back guest turnover. A delayed response can mean more than discomfort. For property managers, it could also mean negative reviews or canceled bookings.
Our emergency response model prioritizes these high-pressure situations. Technicians are dispatched strategically to reduce wait times, and they arrive with the tools and parts needed to solve most problems on the spot. We also keep customers updated from the moment they call so there are no surprises about when help will arrive. The goal is simple: restore comfort quickly and reduce the stress of unexpected breakdowns.
Tailored Guidance for Different Homeowners
Not all properties in Corolla are used the same way, and that changes how HVAC systems should be maintained.
- Permanent residents often need year-round efficiency, quiet operation, and strong air quality since their systems never get a break. For these customers, we emphasize steady performance and cost control through efficient equipment and detailed inspections.
- Seasonal or second-home owners benefit from preventive visits scheduled before and after extended stays. These checkups keep systems fresh, address humidity concerns, and prevent small problems from developing while the home sits vacant.
- Rental property owners require yet another strategy. Scheduling around bookings, prioritizing reliability during peak occupancy, and installing equipment built to withstand heavy use are all part of the approach.
Efficiency & Cost Savings Over Time
Energy costs are a concern for every homeowner in Corolla, and the problem is magnified when systems run nearly nonstop in summer. We help customers reduce those costs by installing high-efficiency equipment, including heat pumps and ductless mini-splits that deliver strong performance with lower energy consumption.
Humidity control is another key factor. Excess moisture in the air forces systems to work harder and can lead to mold or mildew problems. Our solutions, ranging from dehumidifiers to advanced ventilation, keep humidity balanced, which lowers energy use and protects the home.
For second-home owners and property managers, smart thermostats provide an additional advantage. Remote access allows temperatures to be adjusted when the home is vacant, avoiding wasted energy and unexpected bills. These layered strategies turn HVAC systems into tools for cost savings, not just sources of comfort.
Frequently Asked Questions
Do you serve both year-round residents and rental properties?
Yes. We provide tailored solutions for permanent homes, second homes, and vacation rentals. Each receives a service plan that fits how the property is used.
When should I schedule maintenance in Corolla?
Spring and fall are the best times. These visits prepare your system for heavy cooling in summer and steady heating in winter.
Can I control my HVAC system remotely?
Yes. Smart thermostats let you monitor and adjust settings from anywhere, ideal for second homes or properties managed remotely.
What if my system fails during a busy weekend?
Call us right away. We prioritize emergencies, and our technicians arrive equipped to complete most repairs on the same day.
Call (252) 418-2914 or request service online to schedule your appointment.