Alexander Heating & Cooling

Alexander Heating and Cooling is your trusted HVAC partner in Charleston, South Carolina. With a dedication to excellence and a commitment to customer satisfaction, we strive to deliver top-quality heating and cooling solutions tailored to your needs.

At Alexander Heating and Cooling, our mission is to provide reliable HVAC services with integrity and professionalism. We prioritize customer satisfaction and aim to exceed expectations with every service we provide.

Request An Appointment 🔥 ❄️

Our Services

Residential Services

Looking for top-notch residential HVAC services? Look no further! Our expert team specializes in AC repair, heating repair, preventative maintenance, ductless mini-split installation, system replacements, dehumidifiers, indoor air quality (IAQ) services, and ductwork repair/replacement. Whether you need a quick fix, regular maintenance, or a full system overhaul, our skilled technicians have got you covered. Trust Alexander Heating & Cooling for all your home comfort needs!

Installation Services

We specialize in expert installation services to ensure your home or business stays comfortable year-round. From installing cutting-edge HVAC systems to setting up efficient ductless mini splits and reliable tankless water heaters, our experienced technicians deliver top-quality installations tailored to your specific needs. With a focus on precision and customer satisfaction, trust us to provide seamless installations that maximize performance, energy efficiency, and indoor comfort.

Repair Services

We offer prompt and reliable repair services to ensure your HVAC system operates at peak performance. Our experienced technicians specialize in diagnosing and repairing issues with air conditioning, heating, fireplaces, and gas lines, providing efficient solutions to keep your home comfortable year-round. Trust us to restore your system’s functionality with expertise and professionalism.

Maintenance Services

Regular maintenance is crucial for the longevity and efficiency of your HVAC systems and water heaters. Trust Alexander Heating & Cooling’s expert technicians to provide comprehensive maintenance services tailored to your needs, ensuring your systems operate at peak performance year-round.

Why Choose Us?

Expertise and Experience

With years of experience and a team of skilled technicians, Alexander Heating & Cooling offers expertise you can trust. From installation to repair and maintenance, our technicians are well-trained to handle various HVAC systems, ensuring efficient and reliable service for your home.

Comprehensive Services

Whether you need AC repair, heating installation, or indoor air quality solutions, Alexander Heating & Cooling has you covered. We offer a wide range of services to meet all your HVAC needs, providing convenience and peace of mind knowing that one company can handle it all.

Satisfaction Guaranteed

At Alexander Heating & Cooling, customer satisfaction is our top priority. We strive to exceed expectations with every service call, providing prompt responses, transparent communication, and quality workmanship. With our commitment to excellence, you can trust that your comfort is in good hands.

Our Process

Step 1: Initial Consultation and Assessment

Contact Alexander Heating & Cooling to schedule an initial consultation. During this step, one of our knowledgeable representatives will discuss your HVAC needs, whether it’s installation, repair, or maintenance. We’ll gather information about your home’s size, existing system (if any), budget, and any specific preferences or concerns you may have. Based on this assessment, we’ll provide recommendations tailored to your requirements.

Step 2: Professional Service and Follow-up

Once we’ve agreed on the best course of action, our skilled technicians will carry out the necessary HVAC service, whether it’s installation, repair, or maintenance. We’ll ensure that the work is completed efficiently, with minimal disruption to your daily routine. After the service is complete, we’ll follow up to ensure your satisfaction and address any additional questions or concerns you may have, providing ongoing support to keep your home comfortable for years to come.


Chris is amazing! Thankfully he was able to come out quickly and get my AC working again. He’s very polite, courteous, honest and answered all my questions. I’m thankful to have found Chris and his company!

Anne Wilson

We needed to upgrade our HVAC system. Chris was able to come and give me an estimate immediately, had the parts ordered and the job finished within a week. Cannot recommend them enough—best of the best.

Emily “Jenny” Mahorney

Everyone in our neighborhood uses Alexander Heating & Cooling for their HVAC needs and I can see why! Christopher does wonderful work and truly goes over everything to make sure your system is in the best shape.

Kate Neubert

Our Service Area

Frequently Asked Questions

Yes, we understand that HVAC installations can be a significant investment. That’s why we offer flexible financing options to help make your new HVAC system more affordable and accessible.

Yes, indoor air quality is essential for a healthy and comfortable home or workplace. Our indoor air quality services include air purifiers, humidifiers, and ventilation solutions to help you breathe easier and enjoy cleaner air indoors.

Alexander Heating and Cooling works with top-quality brands to ensure the best possible performance and reliability for your HVAC system. We have experience working with a wide range of manufacturers to meet your specific needs.

Yes, all of our technicians are fully licensed, certified, and insured to ensure the highest level of professionalism and expertise in every service we provide.

Scheduling an appointment with Alexander Heating and Cooling is easy! Simply give us a call or fill out the contact form on our website, and our team will assist you in booking a convenient service appointment.

Alexander Heating and Cooling is located in Charleston, South Carolina, serving residential and commercial customers in the surrounding areas.

We offer a wide range of services including AC repair, heating repair, preventative maintenance, installation of HVAC systems, indoor air quality solutions, ductwork repair/replacements, and more.

It’s recommended to change your air filters every 1 to 3 months, depending on factors such as the type of filter, household occupancy, and air quality.

Strange noises from your HVAC system could indicate a range of issues, from loose components to worn-out parts. It’s best to turn off the system and contact a professional HVAC technician to diagnose and resolve the problem.

Setting your thermostat to 78°F (26°C) during the warmer months and 68°F (20°C) during the cooler months is generally recommended for optimal energy efficiency and comfort. Adjusting your thermostat by just a few degrees can make a significant difference in energy savings.