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Claim This BusinessMy Three Sons Heating & Air LLC has served Hanahan, South Carolina and the surrounding Lowcountry for years, earning a perfect 5.0-star rating across 180 reviews. Their team handles air conditioning and heat pump needs for homeowners in Charleston, Mount Pleasant, Summerville, Daniel Island, West Ashley, Johns Island, Goose Creek, Isle of Palms, and neighboring communities. Open seven days a week from 7 AM to 7 PM, the contractor offers repair, replacement, installation, and maintenance services for both traditional central air systems and ductless mini-split setups.
The company sets itself apart with competitive pricing, extended labor warranty coverage, and a commitment to getting the installation right the first time. Their Family Maintenance Program helps Lowcountry families prevent heating and air conditioning problems before they start while offering added perks for enrolled members. Military personnel, first responders, and educators receive dedicated discounts, reflecting values aligned with the Charleston community. The MTS Installation Advantage ensures homeowners get the right-size system at the right price whether they need a simple replacement or a full new installation.
Reviewers consistently name technicians who went beyond basic service calls. Dale earned praise for carefully diagnosing a problem without pressuring an upsell. Ben arrived early, performed a thorough inspection on a two-year-old home, and caught several issues the previous inspector had missed during pre-close. After a Sunday heat wave emergency, Wilton returned to fix the immediate problem and discovered a wire had been unplugged for five years, correcting it at no extra charge. Marybeth Halliday noted that after interviewing six companies, My Three Sons offered the best warranty coverage and a team that left her home as clean as they found it.
The business maintains a perfect 5.0-star average from 180 reviews, with emergency response and diagnostic thoroughness cited repeatedly. Technicians Dale, Ben, and Wilton appear by name in multiple five-star reviews for their careful assessments, clear communication, and above-and-beyond fixes. Negative feedback across the dataset is absent, reflecting consistent customer satisfaction.
The business maintains a perfect 5.0-star average from 180 reviews, with emergency response and diagnostic thoroughness cited repeatedly. Technicians Dale, Ben, and Wilton appear by name in multiple five-star reviews for their careful assessments, clear communication, and above-and-beyond fixes. Negative feedback across the dataset is absent, reflecting consistent customer satisfaction.
| Sunday | 7 AM–7 PM |
| 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 | 7 AM–7 PM |
Technicians troubleshoot and diagnose malfunctions quickly for both ductless and central systems, with routine maintenance to extend equipment life.
The MTS Installation Advantage matches homeowners with the right-size unit, offering competitive pricing and extended warranty coverage on new systems.
For new construction or homes without existing ductwork, technicians assess sizing needs and install traditional or ductless systems tailored to the house.
Full heat pump installation, replacement, repair, and maintenance keeps families cool in summer and warm in winter across the Charleston area.
Installation and service of ductless mini splits for targeted cooling and heating without existing duct infrastructure.
A preventative care program with seasonal maintenance visits, priority scheduling, and added perks for enrolled Lowcountry families.
Same-day and weekend emergency service is available for sudden breakdowns, as confirmed by multiple reviewer accounts of Sunday visits.