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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Ancrum & Son's

Ancrum & Son's

Charleston SC 29412
Heating & Air Conditioning/HVAC

Ancrum & Son's serves the Charleston, SC area with reliable HVAC and carpentry solutions. Their skilled technicians are available for evening and weekend appointments, providing trusted service focused on your home's comfort and repair needs. They bring a thoughtful approach to every job across the Lowcountry.

M&B Heating and Air

M&B Heating and Air

★★★★☆ 3.7 / 5 (3)
1906 Belgrade Ave, Charleston SC 29407
Heating & Air Conditioning/HVAC

M&B Heating and Air provides reliable HVAC installation and repair for Charleston, SC. As a licensed local company with NATE-certified technicians, they deliver expert service around the clock. They focus on fair value for furnace, AC, and heat pump services, supporting the community with trusted solutions for home comfort and efficiency.

Liberty Mechanical Services

Liberty Mechanical Services

★☆☆☆☆ 1.0 / 5 (2)
404 Parkdale Dr, Charleston SC 29414
Plumbing, Water Heater Installation/Repair, Heating & Air Conditioning/HVAC

Since 1947, Liberty Mechanical Services has been a trusted family-owned plumbing and HVAC provider for Charleston, SC. Their skilled technicians handle everything from water heater repair and drain cleaning to faucet installation, available for your home's needs seven days a week. They bring reliable service to the Lowcountry with a personal, local touch.

Murray General Services

Murray General Services

Charleston SC 29414
Heating & Air Conditioning/HVAC, Handyman, Painters

Murray General Services provides reliable HVAC, handyman, and appliance services to Charleston, SC. Their skilled technicians offer 24/7 emergency repair and installation, trusted by homeowners across the Lowcountry. They handle everything from system maintenance to general repairs, ensuring dependable solutions are always available for your home.

Assured Contractors

Assured Contractors

★★★☆☆ 3.0 / 5 (2)
Charleston SC 29412
General Contractors, Electricians, Heating & Air Conditioning/HVAC

For reliable electrical inspections and general contracting in Charleston, SC, turn to Assured Contractors. This trusted local company serves the entire Charleston area with skilled, professional service. Their team of experienced electricians and HVAC specialists provides dependable solutions for your home or business needs.

Coastal Services HVAC

Coastal Services HVAC

1938 Old Parsonage Rd, Charleston SC 29414
Heating & Air Conditioning/HVAC

Coastal Services HVAC provides reliable heating and air conditioning repair and installation for Charleston, SC homeowners. As a locally owned company with skilled technicians available 24/7, they handle all brands for both emergency fixes and planned system replacements, building a dependable reputation in the community.

Group Heating Air & Electric

Group Heating Air & Electric

Charleston SC 29401
Electricians, Heating & Air Conditioning/HVAC

Group Heating Air & Electric provides trusted electrical and HVAC solutions in Charleston, SC. Their skilled electricians handle electrical inspections and system checks for area homes. This reliable team is ready to assist with urgent repair calls across Charleston, Mount Pleasant, and James Island. Residents count on them for straightforward, professional home services.

Primitive Success Group

Primitive Success Group

★★★☆☆ 3.0 / 5 (2)
460 King St Ste 200, Charleston SC 29403
Solar Installation, Electricians, Heating & Air Conditioning/HVAC

Primitive Success Group provides reliable solar installation, electrical, and HVAC services in Charleston, SC. Their skilled team handles electric inspections, solar systems, and energy-efficient heating and cooling. They are a trusted local provider with extended hours for convenience, serving Charleston, Mount Pleasant, and the surrounding communities.

New Age Contractors

New Age Contractors

★☆☆☆☆ 1.1 / 5 (7)
Charleston SC 29412
Heating & Air Conditioning/HVAC, General Contractors, Damage Restoration

New Age Contractors is a licensed Charleston SC contractor established in 2009. They provide trusted HVAC repair, damage restoration, and home remodeling services across the Greater Charleston area. Their skilled team handles everything from emergency disaster restoration to energy-efficient system installations and crawl space repairs.

Rudd Plumbing, Heating and Air

Rudd Plumbing, Heating and Air

720 Magnolia Rd Ste 24, Charleston SC 29407
Plumbing, Heating & Air Conditioning/HVAC

Rudd Plumbing, Heating and Air serves Charleston, SC with reliable plumbing and HVAC services. Their skilled team handles everything from drain cleaning and system maintenance to emergency repairs, available for same-day service. They are a trusted local provider for both homes and businesses throughout the Charleston area.



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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