Raleigh’s Trusted Heating ExpertS
Heat stopped working? Get 24/7 emergency heating repair from a team that actually cares.
At Delta T NC HVAC Services, we know Raleigh’s weather doesn’t wait — so you shouldn’t have to either. Our certified technicians respond quickly, diagnose the problem, and get your heat running again.
Need a second opinion on a replacement? We’ll give you an honest assessment—and only recommend a new system if it’s truly the smarter, more cost-effective option.
7 am to 7 pm - Call us at 919-446-1644
or after hours Request Service:
Raleigh’s Trusted Heating ExpertS
Heat stopped working? Get 24/7 emergency heating repair from a team that actually cares.
Need a second opinion on a replacement? We’ll give you an honest assessment—and only recommend a new system if it’s truly the smarter, more cost-effective option.
Request Service:
At Delta T NC HVAC Services, we know Raleigh’s weather doesn’t wait — and you shouldn’t have to either. Our certified technicians respond quickly, diagnose the problem, and get your heat running again.
Our Promise
We focus on repairing your system first, whenever possible, to save you money.Raleigh’s #1 Heating & HVAC Repair Company
When cold weather hits, you shouldn’t need to bundle up indoors. Delta T NC HVAC Services keeps Raleigh families warm with fast, trustworthy heating repair.
From Oakwood’s historic radiators to Five Points’ gas furnaces and the heat pumps common in North Hills, we know Raleigh’s unique mix of homes—and we always prioritize repairs over replacements.
Proudly serving North Hills, Five Points, Forest Park, Boylan Heights, Brier Creek, Downtown Raleigh, and Historic Oakwood and every Triangle neighborhood in between.
Here’s why Raleigh homeowners trust Delta T NC HVAC Services for heating repair:
Repair first, replace last
Delta T NC HVAC services always prioritize fixing your existing heating system whenever possible, helping you avoid unnecessary costs.
Accurately diagnose
Our certified techs arrive on time and pinpoint problems correctly the first time.
Have experience with every major brand
Carrier, Goodman, Lennox, Rheem, Trane, York, and more, we service them all with expert care. We’re also one of the few HVAC companies in the Raleigh area certified to install Carrier inverter heat pumps, which can deliver up to 50% energy savings for homeowners.
Our work is backed by a 3-year warranty.
You get peace of mind knowing our work is protected long after the repair or replacement. Warranties on replacements are a three year labor installation warranty from Delta T and a three-year labor warranty from manufacture.
Raleigh's top-rated locally owned HVAC company
With an A+ BBB rating and 4.9 Google stars, Delta T NC HVAC Services is a highly rated, locally owned company committed to honest, reliable service.
Offer financing and rebates
We offer flexible financing and help you navigate Duke Energy rebates to lower your total cost.
Furnace Repair
From faulty ignitors to blower motors, our team repairs most furnace problems—often the same day. We service gas furnaces found throughout neighborhoods like Hayes Barton, Roanoke Park, Cameron Village, and University Park.
We’ll only recommend a replacement when it’s truly the most cost-effective option for you.
Heat Pump Repair
Heat pumps are ideal for Raleigh’s mild winters and warm summers. We repair and maintain all models to keep your system running efficiently year-round.
Emergency Heating Service in Raleigh
Our technicians are available 24/7 for heating emergencies. When your furnace or heat pump stops working, we’ll be there—fully equipped to get your heat back on fast.
Every repair includes a full diagnostic, expert workmanship, and our 1-year repair warranty—no exceptions.
FAQs for Heating Raleigh homes
Raleigh’s quick temperature swings can put stress on heating systems, especially heat pumps. Common issues include systems blowing cold air, short cycling, clogged filters, frozen outdoor units, thermostat malfunctions, and worn-out motors. If something doesn’t sound or feel right, early attention prevents bigger breakdowns.
This is one of the most common questions we hear in Raleigh. Heat pumps naturally blow slightly cooler air than furnaces, but true cold air often indicates an issue—low refrigerant, a clogged filter, a stuck reversing valve, or a frozen outdoor coil. A quick inspection can pinpoint and resolve the issue.
Before scheduling a repair visit, check that:
Your thermostat is set correctly
The filter is clean
The breaker hasn’t tripped
Vents are open
If everything looks normal and the system still isn’t heating, give us a call and we’ll take it from there.
If your heat stops working completely, you smell something burning, hear loud grinding noises, or experience electrical issues, call for service right away. Minor issues—like uneven heating or increased noise—can usually be scheduled, but delaying repairs can lead to more costly problems.
Our 1-year warranty covers the labor for the specific repair we performed. If the same issue occurs again within the warranty period and it involves a part we replaced, we’ll return to fix it at no additional labor cost. We also offer a 1-year warranty on all installations. If you aren't sure if the repair we are doing is covered by our warranty, please ask.
Yes. We repair, maintain, and install all major brands of heat pumps, furnaces, and mini-split systems—including Trane, Carrier, Goodman, Rheem, Lennox, Bryant, and more.
Yes. We offer flexible financing options with approved credit to help you manage repair or replacement costs.
We recommend two tune-ups per year—spring for cooling, fall for heating—to prevent breakdowns and maintain warranty coverage. Please call us if you would like us to maintain your system.
Simple changes make a big difference: replace filters monthly in peak season, seal air leaks, maintain your heat pump, set your thermostat a few degrees lower, and use a programmable or smart thermostat. We can also evaluate your system for efficiency improvements.
Honest, No-Pressure Heating System Replacement (Only When You Need It)
Most heating issues can be repaired—and that’s always our first goal. But when a system is too old, too inefficient, or too expensive to fix, we’ll walk you through your best replacement options with complete transparency.
We also offer second opinions when another company has recommended replacement. Many times, we save homeowners thousands by repairing a system that still has life left.
Did you know?
Commercial HVAC Services in Raleigh
Delta T NC HVAC Services also provides light commercial heating and cooling solutions for small businesses, offices, and retail spaces throughout Raleigh. We know comfort affects productivity—so we deliver fast, reliable repairs, routine maintenance, and cost-effective upgrades that minimize downtime and keep your business running smoothly.
We Are From Raleigh — And We Proudly Strengthen Our Community With Superior HVAC Service
Delta T NC HVAC Services isn’t just another HVAC company — we’re Raleigh-born and Raleigh-rooted. Owner Keith Evans, a lifelong North Carolinian, built Delta T on honesty, reliability, and true hometown values. When he’s not taking care of local families, you’ll find him fishing on the coast or enjoying the NC mountains.
Keith believes in investing in the community that raised him. He hires locally and partners with long-trusted Raleigh businesses — including Raleigh Electric, a family-run electrical company serving the area since 1946. When a system needs replacing, Raleigh Electric handles all electrical work and inspections, ensuring everything is safe, seamless, and done right.
Local businesses like Triangle Dentistry and Carolina Smile Dentistry rely on us — and so do homeowners across Raleigh, Cary, Wake Forest, and Durham. Our central location allows fast response times and the personalized service our neighbors deserve.