Alexander Heating & Cooling
About Alexander Heating & Cooling
Alexander Heating & Cooling provides residential HVAC service in Charleston and nearby Lowcountry communities. With over 30 years of experience, the company handles AC repair, heating repair, system installation and replacement, maintenance and tune-ups, ductless mini splits, and indoor air quality work. Its pages describe solutions for humidity, airflow, and coastal conditions as well as diagnosis of problems such as warm air, frozen coils, short cycling, uneven heating, and weak airflow. Customers receive clear recommendations and pricing explanations before work begins, with repair or replacement options based on system condition and performance. Service is available in Charleston, Mount Pleasant, Daniel Island, Isle of Palms, Sullivan's Island, and Huger, and maintenance plans are available for ongoing system care.
At a glance
- Trades
- HVAC
- Service area
- Charleston, Charleston homeowners, Charleston homes, understanding how humidity, coastal conditions affect systems
- Address
- 461 Jessen Ln Ste d, Charleston, SC 29492
- Highlights
- Financing availableBackground-checked
Services
- AC repair / service
- Heating repair
- Ductless mini-split
- Indoor air quality
- HVAC maintenance
- HVAC installation
- Cooling service
- Water heater service
How the 80 score breaks down
Scores are calculated the same way for every company. See the method.
What customers say
Awesome service on our a/c units. Jimmy was out here earlier this summer on one unit that crashed in the tremendous heat wave and now took care of a different issue with the other unit. Prompt, reliable, and knowledgeable!
Google review, Sep 23, 2026
Jimmy was knowledgable and personable. He explained everything clearly and answered all of my questions. He serviced my AC Unit and Tankless Water Heater. He also replaced an air filter. A++ Service.
Google review, Sep 22, 2026
Read all 481 reviews on GoogleAlexander Heating and Cooling is The Best! Always super responsive. I had an AC issue last night and was scheduled for first thing this morning. Jason was here and did excellent detective work and repaired the problem efficiently. Highly recommend this company!
Google review, Sep 14, 2026
Rating distribution and reviews from the company's public Google listing.