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Claim This Business5 Star Charleston Johns Island operates as a full-service HVAC contractor serving Johns Island, Charleston, and the surrounding South Carolina lowcountry communities. With 52 verified customer reviews earning a 4.9-star rating, the company has established itself as a trusted name in residential heating and cooling across the region. Their service fleet handles everything from routine AC maintenance and heating repairs to complete system replacements and indoor air quality solutions.
What distinguishes 5 Star Charleston from other regional contractors is their investment in advanced home comfort technologies. The company offers geothermal heating and cooling systems, a rare specialty in the coastal Carolina market where humidity control presents unique challenges. Their REME HALO indoor air quality systems address the specific air quality concerns common to Johns Island homes near marshland and waterways. Additionally, their Maintenance Club provides ongoing service agreements that help homeowners avoid emergency breakdowns.
Customer reviews consistently highlight specific technicians who deliver exceptional service. Christian earned praise for walking homeowners through repair options on a historic property, explaining both short-term fixes and long-term solutions with transparent communication. Technician Zach received multiple mentions for professional, friendly maintenance visits that included helpful system recommendations. One reviewer noted a same-day response during a heating emergency, while another appreciated that the team kept them informed throughout every step of the repair process.
Fourteen reviewers specifically mention technicians by name, with Christian and Zach receiving the most shoutouts for transparency and professionalism. Positive reviews consistently cite quick response times and clear communication, while a single negative review references higher pricing compared to other area contractors. The 4.9-star average across 52 reviews reflects overwhelmingly satisfied customers who recommend the company to neighbors.
| Sunday | Closed |
| Monday | 7 AM–7 PM |
| Tuesday | 7 AM–7 PM |
| Wednesday | 7 AM–7 PM |
| ThursdayToday | 7 AM–7 PM |
| Friday | 7 AM–7 PM |
| Saturday | 8 AM–3 PM |
Diagnose and repair cooling system failures, perform seasonal tune-ups, replace filters and check coolant levels to restore proper operation.
Fix faulty heating systems including thermostat replacements and heating element repairs; install new heating equipment when repairs aren't cost-effective.
Install, repair, and replace heat pump systems that provide both heating and cooling for lowcountry climate conditions.
Install zoned cooling systems ideal for historic homes, room additions, or spaces where traditional ductwork isn't practical.
Design and install underground loop systems that leverage stable ground temperatures for highly efficient climate control.
Install REME HALO air purification systems and other solutions to remove allergens, humidity, and contaminants from home air.
Seal crawl spaces to prevent moisture damage, improve energy efficiency, and reduce indoor humidity problems.
Inspect, repair, and install duct systems to ensure proper airflow distribution throughout residential properties.