Furnace Services in Raleigh, NC

Gas & electric furnace repair, installation & maintenance

Expert Furnace Services for Triangle Homeowners

Your furnace is the heart of your home heating system. When it is running efficiently, your family stays warm and your energy bills stay manageable. When it is not, you need a team you can trust to diagnose the problem and fix it right the first time.

From emergency repairs on the coldest night of winter to seasonal tune-ups that prevent those emergencies, getting expert help for your furnace means your family stays warm and your energy bills stay reasonable. Icy Hot’s NATE-certified technicians handle gas and electric furnaces of all brands throughout the Raleigh-Durham Triangle.

Signs You Need This Service

  • Furnace not producing heat
  • Yellow or flickering pilot light (gas furnaces)
  • Frequent cycling on and off
  • Banging, rattling, or squealing sounds
  • Burning smell when the furnace starts
  • Cold air blowing from vents
  • Carbon monoxide detector alerts
  • Furnace over 15-20 years old

Our Process

Safety is our top priority with furnace work, especially gas furnaces. We perform thorough safety inspections including heat exchanger checks, carbon monoxide testing, gas leak detection, and electrical system verification on every service call.

Why Choose Icy Hot?

When you choose Icy Hot Heating & Air Conditioning, you are choosing a team that puts your comfort first. Here is what sets us apart:

  • NATE-Certified Technicians — Our team holds the industry’s highest certification for HVAC professionals
  • Authorized Lennox Dealer — Access to premium equipment at competitive prices
  • Transparent Pricing — No hidden fees. You approve the cost before we begin any work
  • 24/7 Emergency Service — When comfort cannot wait, we are here around the clock
  • Licensed & Insured — NC HVAC License #L.34356 for your peace of mind

Brands We Service

As an Authorized Lennox Dealer, we specialize in Lennox systems. We also expertly service and install all major brands including Carrier, Trane, Rheem, Goodman, York, Amana, Daikin, Bryant, Coleman, and Ruud.

Gas vs. Electric Furnaces

Gas Furnaces are the most common in the Triangle area. They heat quickly, operate efficiently, and have lower operating costs than electric furnaces. However, they require proper venting and annual safety inspections.

Electric Furnaces have lower upfront costs and do not require gas lines or venting. They are simpler systems with fewer components, but operating costs tend to be higher in our area.

Not sure which is right for your home? Our team can evaluate your home and recommend the best option based on your existing infrastructure, budget, and heating needs.

Frequently Asked Questions

How long does a furnace last before it needs to be replaced?
Most furnaces last between 15 and 20 years with proper maintenance, though some well-maintained units can reach 25-30 years. The key factors that determine lifespan include annual professional maintenance, timely filter changes, and the quality of the original installation. Warning signs that replacement is approaching include frequent repairs, rising energy bills, uneven heating, and unusual noises like banging or rattling. A good rule of thumb: if a repair costs more than half the price of a new furnace, replacement is the smarter investment. Icy Hot Heating & Air Conditioning can assess your furnace’s condition and help you decide between repair and replacement — call us at (919) 673-7667.
What are the different types of furnaces available for homes?
The three main furnace types are gas, electric, and oil, each with distinct advantages. Gas furnaces are the most popular in the Raleigh-Durham area because natural gas is widely available and provides powerful, cost-effective heating. Electric furnaces have lower upfront costs and require less maintenance, making them a solid choice for homes without gas lines. Oil furnaces are less common in North Carolina but are still found in some older homes. Within these categories, you’ll also find single-stage, two-stage, and modulating (variable-speed) furnaces, which differ in how they regulate heat output and energy efficiency.
What size furnace do I need for my home?
Furnace sizing is based on a Manual J load calculation that accounts for your home’s square footage, insulation quality, ceiling height, window types, and local climate. As a rough guide, homes in the Raleigh-Triangle area typically need 30-45 BTUs per square foot — so a 2,000 sq. ft. home might require a 60,000 to 90,000 BTU furnace. However, oversizing is just as problematic as undersizing: an oversized furnace short-cycles, wastes energy, and creates hot and cold spots. A professional load calculation is the only reliable way to determine the right size. Icy Hot’s technicians perform detailed assessments to ensure proper sizing for every installation.
What does AFUE rating mean on a furnace?
AFUE stands for Annual Fuel Utilization Efficiency, and it measures how efficiently a furnace converts fuel into heat. Think of it like miles-per-gallon for your heating system. A furnace with 96% AFUE converts 96 cents of every dollar spent on fuel into usable heat, with only 4 cents lost through exhaust. Modern high-efficiency furnaces range from 90% to 98.5% AFUE, mid-efficiency models sit between 80% and 83%, and older furnaces may be as low as 56-70%. As of 2029 federal standards, all new furnaces sold in the northern U.S. must meet 95% AFUE minimums, though North Carolina’s southern region currently allows 80% AFUE units.
How much does it cost to run a furnace per month?
Monthly furnace operating costs depend heavily on fuel type, home size, and local utility rates. In the Raleigh area, gas furnace owners typically spend $60-$120 per month during the heating season, while electric furnace operating costs run $130-$180 per month or more. North Carolina’s relatively mild winters mean shorter heating seasons compared to northern states, which helps keep annual costs manageable. Duke Energy’s electricity rates have increased in recent years, making the gas-vs-electric cost gap an important factor when choosing a new furnace. Regular maintenance, proper insulation, and a programmable thermostat can reduce monthly costs by 10-20%.
Should I repair or replace my furnace?
The decision depends on your furnace’s age, repair history, and the cost of the needed repair. Industry professionals generally recommend replacement if your furnace is over 15 years old and the repair exceeds 50% of a new unit’s cost. Other factors favoring replacement include a cracked heat exchanger (which is a safety hazard and cannot be economically repaired), R-22 refrigerant compatibility issues in dual-system setups, and consistently rising utility bills despite maintenance. If your furnace is under 10 years old and the repair is straightforward — such as an ignitor or blower motor — repair is usually the better value. Call Icy Hot at (919) 673-7667 for an honest assessment.
Why is my furnace blowing cold air?
A furnace blowing cold air is one of the most common complaints, and it often has a simple cause. Start by checking your thermostat — make sure it’s set to “Heat” mode and the fan is set to “Auto” rather than “On” (the “On” setting blows air continuously, even when the furnace isn’t heating). A clogged air filter is another frequent culprit: when airflow is restricted, the heat exchanger overheats and the safety limit switch shuts down the burners. Other causes include a malfunctioning flame sensor, a faulty ignitor, or an extinguished pilot light. If checking the thermostat and replacing the filter doesn’t resolve the issue, contact a licensed HVAC technician for diagnosis.

Need Help Now?

(919) 673-7667

Available 24/7 for Emergencies

Schedule Service

Related Services

Special Offer
$25
OFF
Any Furnace Service
Mention when you call

Ready for Year-Round Comfort?

Licensed & insured HVAC experts serving the Triangle since 2008

(919) 673-7667
Schedule Service

Services

Company

Contact

5315 Orchard St, Raleigh, NC 27606
[email protected]
24/7 Emergency Service
Mon-Fri: 8am - 6pm

Trusted Since 2008

Raleigh Chamber of Commerce 2025 Member

NC HVAC License #L.34356

© 2026 Icy Hot Heating & Air Conditioning.
Web Design / SEO by Dirigo Creative