Guided by Integrity. Built for the Lowcountry.

HVAC Repair, Installation & Maintenance in Charleston, SC


Serving homes and light commercial properties in Charleston, West Ashley, North Charleston, Mount Pleasant

and Summerville, with service across James Island and Johns Island.

AC Diagnosis and Repair →

Fast, thorough diagnosis that gets to the root of cooling issues.

Heater Maintenance →

Scheduled service designed to keep your heating system running smoothly when you need it most.

Ductless Systems and Mini Split →

Flexible comfort solutions tailored to spaces where traditional systems fall short.

Air Quality and Air Purifying →

Improved indoor air that supports healthier living and working environments.

When your home is uncomfortable or your business needs dependable heating and cooling, you deserve clear answers. TrueNorth Coastal Comfort provides HVAC repair, replacement and preventive maintenance across Charleston and the surrounding communities. We explain what we find, discuss your options and help you decide what makes sense for your property.


From West Ashley and Summerville to North Charleston and Mount Pleasant, our approach starts with understanding your system and the way you use your space. We also serve James Island, Johns Island, Sullivan's Island and Isle of Palms. Tell us where your property is located and what is happening with your equipment so we can help you plan the next step.

Local HVAC service for the places you call home


Local Family and Veteran-Owned

Serving Charleston homes and businesses with honest expertise you can count on.

Google My Business Badge. Click to review

Maintenance with your system in mind

A maintenance visit is an opportunity to understand your equipment's condition and address concerns before they grow. Ask about a preventive maintenance plan for your home or business and the service schedule that fits your system.


Need HVAC service in your community? Call (843) 510-5255 or request an appointment with TrueNorth Coastal Comfort

Comfort for your home. Continuity for your business.

Our residential and light commercial services include air conditioning and heating repair, system replacement, maintenance, ductwork, mini-splits and indoor air quality improvements. Whether you are dealing with uneven temperatures, a system that will not start or humidity that leaves your space feeling sticky, we will evaluate the issue before recommending a solution.


Featured Resources

By TrueNorth Coastal Comfort • October 14, 2026
HVAC maintenance in North Charleston, SC reduces airborne contaminants by cleaning coils, clearing condensate drains, and verifying airflow to support healthier indoor air year-round.

Schedule Today

Contact Us

Contact Us

All fields marked with an asterisk * are required

Let's Connect


Black map location pin icon with a white center circle

1240 Winnowing Way

Mount Pleasant, SC 29466


4000 Faber Place Drive

North Charleston, SC 29405

Black phone handset icon on a white background
(843) 510-5255

Our Service Area

Book Us Today!
Formerly known as Dependable Heating and Air!

Charleston & West Ashley

TrueNorth Coastal Comfort helps homeowners and light commercial properties in Charleston and West Ashley with repair, replacement and preventive maintenance. If a room is uncomfortable or the system is not keeping up, we start by understanding the equipment and the space before discussing the next step.

North Charleston

For homes, offices and retail spaces in North Charleston, HVAC service needs to fit the property. Tell us about your equipment, operating schedule and access requirements so we can discuss a repair visit, replacement assessment or preventive service plan.

Mount Pleasant

Planning an HVAC replacement or dealing with an uncomfortable room in Mount Pleasant? TrueNorth Coastal Comfort can review your system and discuss options for equipment, ductwork and controls. We explain the proposed work so you can make an informed decision.

Summerville

TrueNorth Coastal Comfort serves Summerville homeowners and light commercial customers with cooling, heating and maintenance. If your system cools the space but it still feels damp, tell us about that concern when scheduling so humidity and airflow can be part of the discussion.

James Island & Johns Island

From an existing home to an addition that needs its own heating and cooling, TrueNorth Coastal Comfort helps property owners on James Island and Johns Island evaluate the next step. Ask about repair, replacement, ductwork, mini-splits and ongoing maintenance.

Sullivan's Island & Isle of Palms

For properties on Sullivan's Island and Isle of Palms, ask TrueNorth Coastal Comfort about system service and maintenance. Share the address, equipment details and property-access requirements when requesting an appointment.

Charleston & West Ashley

TrueNorth Coastal Comfort helps homeowners and light commercial properties in Charleston and West Ashley with repair, replacement and preventive maintenance. If a room is uncomfortable or the system is not keeping up, we start by understanding the equipment and the space before discussing the next step.