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

Homeowners in Charleston, South Carolina rely on Charleston HVAC Company for heating and cooling repairs, tune-ups, and system replacements. The focus stays on accurate diagnosis and practical solutions.
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Low Country Home Services

Low Country Home Services

Charleston SC 29407
Heating & Air Conditioning/HVAC

Low Country Home Services provides reliable heating and air conditioning solutions in Charleston, SC. Their skilled team serves the entire Charleston area. They've built a solid reputation for trustworthy HVAC service and are available for emergency calls when you need them most.

Home Services at The Home Depot

Home Services at The Home Depot

2008 Magwood Rd, Charleston SC 29414
Flooring, Windows Installation, Heating & Air Conditioning/HVAC

Home Services at The Home Depot provides reliable flooring, window, and HVAC services in Charleston, SC. Their skilled installers handle installation, repair, and maintenance, available for extended hours daily. A trusted local resource, they offer tailored solutions to improve your home's comfort and appearance, with free in-home consultations for projects in Charleston, North Charleston, and Ravenel.

R & J Air Conditioning

R & J Air Conditioning

227 Bristol St, Charleston SC 29407
Heating & Air Conditioning/HVAC

R & J Air Conditioning is a trusted HVAC company serving the Charleston, SC area for years. They provide reliable heating and air conditioning services, including emergency repairs. Their skilled technicians are ready to help in Charleston, North Charleston, Mount Pleasant, and James Island.

Faulkner Haynes

Faulkner Haynes

4365 Dorchester Rd Ste 107, Charleston SC 29405
Heating & Air Conditioning/HVAC

Faulkner Haynes is a trusted commercial HVAC provider in Charleston, SC, with decades of service since 1987. Their skilled technicians offer expert HVAC installation, replacement, and repair, using factory-direct parts for quality results. They are the go-to specialists for reliable power and cooling solutions across the Carolinas.

One Call Heating and Air

One Call Heating and Air

1929 Belgrade Ave Ste B, Charleston SC 29407
Heating & Air Conditioning/HVAC

One Call Heating and Air provides reliable HVAC system repair in Charleston, SC, with 24/7 emergency service. Their skilled technicians have built a strong local reputation, reflected in their excellent 5-star Google reviews. They offer trustworthy service for residents across the Lowcountry.

Charleston Cooling & Heat

Charleston Cooling & Heat

1246 Oakcrest Dr, Charleston SC 29412
Heating & Air Conditioning/HVAC

Charleston Cooling & Heat provides expert HVAC installation, repair, and maintenance across the Charleston, SC area. With roots tracing back to post-Hurricane Hugo, this locally-owned company is known for reliable service. Their skilled technicians focus on restoring your home's comfort efficiently. Available for your heating and cooling needs from early morning until evening on weekdays.

All-Star A C Heating Service & Repair

All-Star A C Heating Service & Repair

W Ashley, Charleston SC 29401
Heating & Air Conditioning/HVAC

All-Star A C Heating Service & Repair provides reliable HVAC and heating services in Charleston, SC. Known for their dependable emergency repairs, the skilled team brings years of local experience to every job. They are a trusted name for residents across the Charleston area, James Island, Sullivans Island, and Kiawah Island.

Truluck Service Heating & Air

Truluck Service Heating & Air

Charleston SC 29407
Heating & Air Conditioning/HVAC

Truluck Service Heating & Air provides reliable HVAC solutions for homeowners across Charleston, SC. Their skilled technicians handle everything from routine maintenance to urgent repairs. As a trusted local company serving Charleston, North Charleston, and James Island, they are ready to assist with your heating and cooling needs day or night.

First Call Heating & Cooling

First Call Heating & Cooling

★★★★☆ 4.0 / 5 (1)
112 Sunrise Rd, Charleston SC 29418
Heating & Air Conditioning/HVAC

First Call Heating & Cooling provides reliable HVAC installation, repair, and maintenance for Charleston, SC. Their skilled technicians are available 24/7 for emergency service. This trusted company serves the entire area, including North Charleston and Summerville, offering dependable solutions for your home's comfort needs.

Southeast Heating & Air Conditioning

Southeast Heating & Air Conditioning

Charleston SC 29406
Heating & Air Conditioning/HVAC

Southeast Heating & Air Conditioning provides reliable HVAC services to Charleston, SC. Their skilled team offers heating and air conditioning repair and installation for residents across the region. Known for dependable service, they are a trusted local contractor ready to handle your urgent needs.



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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