Home of the $0 FREE Service Call Club | 0% Interest for 24 Months
Home of the $0 FREE Service Call Club | 0% Interest for 24 Months
In the Charleston humidity, warm air points to a frozen evaporator coil. However, if your vents are blowing chilly air in January, you likely have a failed heat pump reversing valve or broken heating elements. Our NATE-certified techs diagnose both to restore year-round comfort.
If you smell burning dust or sulfur when your heat kicks on, or hear 'booming' sounds during ignition, your furnace needs immediate professional attention to ensure safe operation.
Whether it’s a tripped breaker from a salt-air corroded contactor or a failed furnace control board, we offer 24/7 emergency dispatch across the Lowcountry islands and mainland. We diagnose mechanical and electrical failures fast to get your air moving again, regardless of the season.
Living in the Lowcountry means your HVAC system faces a unique set of atmospheric challenges that inland units never encounter. At Coastal Carolina Comfort, we specialize in “Coastal-Proofing” your home’s climate.
Combatting Salt-Air Corrosion: For our neighbors in Mt. Pleasant, Isle of Palms, and Daniel Island, we provide specialized protective coatings for outdoor condensers. This prevents the rapid coil failure and “aluminum rot” caused by the abrasive salt air typical of our shoreline communities.
Defeating 90%+ Humidity: Charleston’s notorious moisture levels don’t just make it uncomfortable—they put a massive strain on your compressor. We optimize your system’s latent heat removal to prevent frozen evaporator coils and manage indoor humidity, protecting your home from mold growth and “Dirty Sock Syndrome”.
Hyper-Local Expertise: Whether you are in a historic downtown Charleston home or a new build in Nexton or Cane Bay, we provide NATE-certified repairs tailored to your specific neighborhood’s building codes and environmental needs.
In summer, this points to a refrigerant leak or compressor failure. In winter, if your vents are blowing chilly air, it likely indicates a failed heat pump reversing valve or broken heating elements.
Screeching or grinding often points to a fan motor failure. If you hear 'booming' when your heat kicks on, it could be delayed ignition in your furnace—a serious issue that needs immediate attention.
Restricted airflow or dirty filters can cause your AC to ice over in summer. However, if your outdoor heat pump is a block of ice in the winter, your defrost board has likely failed, preventing the system from heating your home.
Likely an electrical failure, a tripped breaker, or a thermostat communication error. We diagnose both furnace and AC electrical components in minutes to get your comfort back on track.
On average, Lowcountry HVAC repairs range from $150 to $850. Minor fixes like a capacitor, igniter, or contactor replacement are on the lower end, while motor or control board repairs are higher. We provide flat-rate, upfront pricing so there are never surprises.
This often occurs when your system enters "Defrost Mode" to melt outdoor ice buildup. However, if it continues, it could indicate a failing reversing valve or an issue with your auxiliary heat strips. Our techs diagnose both heating and cooling components.
Yes. Salt-air corrosion (electrolytic scale) acts as an insulator on your coils, forcing your system to work harder in both summer and winter. This eventually causes the metal to disintegrate. We recommend specialized protective coatings for any home within 5 miles of the Atlantic.
We offer 24/7 emergency dispatch across Charleston, Summerville, and the islands. Because our "warehouse on wheels" trucks are stocked with universal parts for major brands, we can complete 90% of repairs on the very first visit.
From our headquarters in Summerville, SC, Coastal Carolina Comfort deploys a fleet of NATE-certified technicians throughout Dorchester, Charleston, and Berkeley Counties. Whether you are dealing with a failed furnace igniter in Goose Creek, a blown AC capacitor in West Ashley, or salt-air coil corrosion on Isle of Palms, our local team is minutes away and ready to restore your home’s year-round comfort.
Summerville
Knightsville
Oakbrook
Charleston (Downtown/Peninsula)
West Ashley
James Island
Johns Island
Mount Pleasant
Isle of Palms
Sullivan’s Island
Folly Beach
Daniel Island
Goose Creek
Ladson
Hanahan
Moncks Corner