Top Emergency HVAC Services in Charleston, SC,  29401  | Compare & Call

Charleston HVAC Company

Charleston HVAC Company

Charleston, SC
Emergency HVAC Services

Phone : (888) 996-4787

Serving Charleston, South Carolina, Charleston HVAC Company works on residential and light commercial heating and air systems. Customers call for fast repairs, seasonal maintenance, and dependable service during extreme weather.
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Southern Air conditioning and Heating

Southern Air conditioning and Heating

★☆☆☆☆ 1.4 / 5 (21)
Charleston SC 29401
Heating & Air Conditioning/HVAC

Serving Charleston, SC, Southern Air Conditioning and Heating provides reliable HVAC service. Their skilled technicians are trusted by homeowners across Charleston, Mount Pleasant, and James Island. They offer essential heating and air conditioning repairs and maintenance, with support available for urgent needs.

Deas Heating & Air Refrigeration Services

Deas Heating & Air Refrigeration Services

★★★★★ 5.0 / 5 (1)
2216 Mariners Fry, Charleston SC 29414
Heating & Air Conditioning/HVAC

In Charleston, SC, Deas Heating & Air Refrigeration Services provides reliable HVAC solutions. Their skilled team handles heating, air conditioning, and refrigeration needs with a focus on dependable service. They are a trusted local resource for both routine maintenance and urgent repairs, serving the greater Charleston area with consistent quality and professionalism.

AAA AC Repair Charleston

AAA AC Repair Charleston

1950B Maybank Hwy, Charleston SC 29412
Heating & Air Conditioning/HVAC

AAA AC Repair Charleston provides reliable heating and air conditioning services to the Charleston, SC area, including James Island and Kiawah Island. With skilled technicians available daily from 8 AM to 8 PM, they are a trusted local resource for system repairs and maintenance. Their dependable work and consistent hours offer a straightforward solution for your HVAC needs.

Wright / Street Heating & Air Conditioning

Wright / Street Heating & Air Conditioning

★★☆☆☆ 2.0 / 5 (4)
4124 Oakridge Dr, Charleston SC 29418
Heating & Air Conditioning/HVAC

In Charleston, SC, Wright / Street Heating & Air Conditioning has provided reliable HVAC solutions since 1991. Their skilled technicians handle system installation, repair, and maintenance. They are a trusted local company committed to quality work and customer comfort, serving the greater Charleston area with dedication.

Duct Perfections

Duct Perfections

Charleston SC 29455
Heating & Air Conditioning/HVAC, Handyman

Duct Perfections provides reliable heating, air conditioning, and handyman services to the Charleston, SC area. This trusted local company assists customers in Charleston, James Island, Ravenel, and the surrounding islands. Their skilled team is ready to handle your HVAC maintenance, repairs, and general home projects, offering dependable solutions for your household needs.

Hot Spot Heating & Air Conditioning

Hot Spot Heating & Air Conditioning

★☆☆☆☆ 1.0 / 5 (2)
Charleston SC 29412
Heating & Air Conditioning/HVAC

With 15 years of experience, Hot Spot Heating & Air Conditioning provides reliable HVAC services to Charleston, SC. Their skilled team handles heating and air conditioning installations, repairs, and maintenance for local homeowners. Trust this established company for quality work across the Lowcountry, from Mount Pleasant to Kiawah Island.

Burnett Interiors

Burnett Interiors

Charleston SC 29403
Fences & Gates, Heating & Air Conditioning/HVAC, Drywall Installation & Repair

For Charleston, SC homeowners needing reliable drywall services, Burnett Interiors provides expert installation, repair, and texturing. Serving Charleston, Mount Pleasant, and James Island, this trusted local company handles everything from wall patching to finish repairs with skilled craftsmanship.

Brunson Water & Air

Brunson Water & Air

★☆☆☆☆ 1.3 / 5 (3)
1025 Gingerbread Ln, Charleston SC 29412
Heating & Air Conditioning/HVAC, Plumbing, General Contractors

Brunson Water & Air provides reliable plumbing, HVAC, and contracting services to Charleston, SC. Their skilled team handles everything from inspections to system installations. They are a trusted local resource, offering 24/7 emergency availability to clients in James Island, Folly Beach, and the surrounding area for dependable home solutions.

Corbin Engineering

Corbin Engineering

215 E Bay St, Charleston SC 29401
Heating & Air Conditioning/HVAC

Corbin Engineering provides reliable heating and air conditioning service to Charleston, SC and surrounding communities. Their team of skilled technicians offers dependable HVAC repair and installation. A trusted local resource, they are available for emergency service calls to help keep your home comfortable year-round. For honest solutions to your climate control needs, contact the professionals at Corbin Engineering.

Green Apple Heating & Cooling

Green Apple Heating & Cooling

Charleston SC 29407
Heating & Air Conditioning/HVAC

For trusted HVAC service in Charleston, SC, Green Apple Heating & Cooling is a reliable local choice. Their skilled technicians handle heating and cooling system installation, maintenance, and urgent repairs. They provide dependable emergency service to keep homes comfortable across the Charleston area, including North Charleston and Mount Pleasant.



Your Guide to HVAC Service in Charleston, SC: Keeping Comfortable Year-Round

Living in Charleston, SC, means enjoying beautiful coastal views and a rich history, but it also means dealing with our intense Lowcountry weather. From sticky, humid summers that can turn your home into a sauna to the occasional cold snap that sends a chill through our older homes, a reliable HVAC system isn't a luxury—it’s a necessity. This guide is here to explain everything you need to know about HVAC service in Charleston, SC, from routine maintenance to handling those stressful emergency situations. Whether you’re in a historic downtown home, a newer build in Mount Pleasant, or a condo on James Island, understanding your HVAC system is key to staying comfortable and safe.

What Does HVAC Service Mean for Charleston Homeowners?

For folks in Charleston, HVAC service covers everything needed to keep your heating and cooling running smoothly through all four of our distinct seasons. This includes regular maintenance, like seasonal tune-ups for your AC before summer and your furnace or heat pump before winter. It also covers repairs, big and small, and most importantly, a reliable emergency response when things go wrong at the worst possible time. Many local services, including ours, offer same-day service for urgent issues that aren’t quite emergencies. Think of it as a full-spectrum care plan for your home’s comfort system, tailored to handle our specific climate challenges.

When Is It a True HVAC Emergency?

It’s important to know what qualifies as a real emergency so you can get help fast when you need it most. In Charleston, an HVAC emergency is any situation that puts your safety, health, or property at immediate risk.

  • No Heat During Freezing Weather: If your furnace or heat pump fails during one of our winter cold snaps, especially with elderly or young children at home, that’s an emergency.
  • AC Failure During a Heatwave: When the heat index soars above 100°F, a broken AC can quickly become dangerous.
  • Gas Smells or Suspected Carbon Monoxide: If you smell natural gas or your CO alarm is sounding, evacuate immediately and call for help.
  • Electrical Burning Smells or Smoke: Any smell of burning from your HVAC unit could indicate a serious electrical fault.
  • If your indoor AC unit is leaking a lot of water, it can cause ceiling or floor damage quickly.

When safety is on the line, don’t wait. Call for emergency HVAC service right away.

How Charleston's Climate Challenges Your HVAC System

Our weather here is tough on heating and cooling equipment. The relentless summer humidity forces AC units to work overtime, leading to frozen coils and stressed compressors. The salty coastal air can accelerate corrosion on outdoor units. Pollen and dust can clog filters and coils faster than in drier climates. In winter, while usually mild, our damp cold can feel piercing, and older furnaces in homes in North Charleston or West Ashley may struggle. Whether you have a central AC paired with a gas furnace, a modern heat pump common in newer builds, or a ductless mini-split in a renovation, the Lowcountry environment will test its limits. Regular service is the best defense.

Common HVAC Problems We See in Charleston Homes

We get called for the same issues time and again, often tied directly to our local conditions. AC not cooling enough on a July afternoon is a classic. Often, it’s a dirty filter or a clogged condensate line—that’s the drain that removes moisture. When it clogs, you might see water pooling around your indoor air handler, a common call in humid months. Furnace problems often pop up during our first cold spell; an old ignition system might fail, or a dusty burner might need cleaning. We recently helped a family in the Old Village whose heat pump froze over during a damp cold night because of a dirty air filter—a simple fix that prevented a bigger repair. Another common issue is failing capacitors, which are like the starters for your AC’s motors. When they go weak, your unit struggles to turn on, especially during peak heat.

Emergency HVAC, Same-Day Service, or Routine Visit: Knowing the Difference

Understanding when to call for what type of HVAC service can save you stress and money. If your safety is at risk (like with a gas leak or no heat in freezing temps), that’s an emergency HVAC call—pick up the phone immediately for 24/7 service. If your AC is blowing lukewarm air on a hot (but not dangerously hot) day, or your furnace is making a strange noise, that’s perfect for same-day HVAC service. You’ll get priority scheduling that day. For things like seasonal tune-ups, upgrading a thermostat, or planning a replacement, routine HVAC service scheduled during normal business hours is the way to go. This balanced approach ensures help is always available, whether you’re in Daniel Island or downtown.

Understanding HVAC Service Costs in Charleston, SC

We believe in transparency. Here’s a breakdown of what goes into HVAC service pricing locally. Most companies charge a diagnostic fee (typically $75-$125) to professionally identify the problem. For emergency or after-hours calls, there is usually an additional call-out fee or a higher labor rate (often 1.5x to 2x the standard rate). Standard hourly labor in the Charleston area generally ranges from $85 to $150 per hour. Then, the cost of any necessary parts is added. For major work like a full system replacement, permits from the city or county may be required, adding to the cost.

Example Scenarios:

  • Routine AC Tune-up: A flat-rate service, often $89-$129, includes inspection and cleaning.
  • Same-Day Capacitor Replacement: Diagnostic fee + 1 hour of labor + part cost. Total might range from $250-$400.
  • Emergency Furnace Repair on a Weekend: Emergency call-out fee + diagnostic + 1.5x labor rate + part. Total could be $400-$700.

Always ask for an estimate before authorizing major repairs.

Signs You Need Immediate HVAC Service

  • No heat when outdoor temperatures are below freezing.
  • Your carbon monoxide alarm is beeping or has activated.
  • You smell a strong odor of natural gas or rotten eggs (mercaptan).
  • You see smoke or smell burning from your furnace or air handler.
  • Significant water is pooling from your indoor AC unit.
  • There are loud banging, screeching, or arcing electrical noises.
  • Your AC is completely dead during a period of dangerous heat.

Safety Checklist While Waiting for Help

  • If you smell gas, evacuate everyone immediately and call your gas utility from outside. Then call for emergency HVAC service.
  • If your CO alarm sounds, get fresh air immediately and call for help.
  • If it is safe to do so, turn off the HVAC system at the thermostat or the circuit breaker.
  • Keep children and pets away from the malfunctioning equipment.
  • Move elderly family members or anyone with health concerns to a comfortable, safe area if possible.
  • Never attempt to repair gas lines or high-voltage electrical components yourself.

Local Codes and Why Professional Service Matters

In Charleston and across South Carolina, HVAC work must comply with specific codes for your safety. This includes proper furnace venting to prevent carbon monoxide poisoning, strict EPA Section 608 regulations for handling refrigerants, and often requiring permits for new installations or major changes. A licensed, insured HVAC professional knows these rules inside and out. Hiring an unlicensed handyman might seem cheaper, but it can lead to unsafe conditions, failed inspections, and costly rework down the line.

What to Expect: Response Times in the Charleston Area

When you call for emergency HVAC service in Charleston, our goal is to get a technician to you as fast as safely possible. During peak times, like the first major heatwave or cold snap, response times can vary. Typically, you can expect a technician to be dispatched within 60 to 180 minutes. Factors like traffic on I-26, the Crosstown, or in surrounding areas like Johns Island or Summerville, along with severe weather, can affect travel times. We always communicate with you about our estimated time of arrival.

Trusted Local HVAC Service in Charleston, SC

From the historic peninsula to the newer suburbs, every home in Charleston deserves reliable comfort. Understanding your HVAC system and knowing when to call for help—whether for routine maintenance, same-day repair, or a true emergency—is the key to peace of mind. We’re here to be your local expert for all of it.

Charleston Emergency HVAC provides trusted HVAC service in Charleston, SC, including 24/7 emergency response and same-day repairs. Call (888) 996-4787 now for immediate dispatch.





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