Heating and cooling trouble rarely waits for a convenient day. We handle repairs, replacements, and tune-ups for Charleston homes, with a clear price before any work begins.
Homeowners across Charleston count on Charleston HVAC for residential heating and cooling work that's thorough, correctly sized for their house, and backed by years of hands-on experience in the field.
We provide every HVAC service your home needs, backed by transparent pricing and thorough, root-cause repairs.
New HVAC systems, sized, sealed, and commissioned the right way.
New furnaces installed with proper venting, gas work, and a full startup test.
Cleaner air and better airflow, with the debris actually removed.
Heat pumps sized for your climate, with backup heat set up correctly.
Efficient AC systems, correctly sized and installed to last.
Spring and fall maintenance that keeps efficiency up and breakdowns down.
No-heat calls handled fast, with a safety check on every visit.
Mini-splits for the rooms that never get comfortable.
Gas and electric furnace repairs with combustion and safety checks included.
Same-day air conditioner repairs with an upfront price before work starts.
System replacements with proper sizing and a full commissioning test.
One call for any breakdown, heating or cooling, with the fault found and fixed.
Homeowners across Charleston call us for fast repairs, straight answers, and upfront pricing.
Call (843) 268-6960 Today
Most homeowners only think about their HVAC system when it stops working, and by then comfort is already gone. Charleston HVAC works differently. We get there quickly, pin down the failed part, explain what we found in plain language, and complete the fix with the right parts on the truck.
Whether you're dealing with a condenser that keeps tripping the breaker, a heat pump stuck in defrost, or a mini-split flashing error codes, our experienced technicians have the know-how and parts to handle just about any household HVAC problem.
Nobody likes surprises on the final bill. That's why Charleston HVAC quotes every Charleston job before the work begins, after a complete diagnostic that covers the equipment's age, fuel type, and tonnage, refrigerant levels, coil and heat exchanger condition, and the ductwork feeding each room. You'll know the problem, what it takes to fix, and what it costs before you say yes.
Many HVAC problems stay hidden until a failure is well underway. Refrigerant seeps out through pinhole leaks in the evaporator coil, blower bearings wear quietly, and a weakening capacitor gives no warning until the compressor won't start on the first hot day. If you notice weak airflow, rising energy bills, ice on the refrigerant lines, or rooms that never reach the thermostat setting, schedule an inspection right away. An early diagnosis usually keeps a repairable issue from becoming a replacement.
We also help homeowners plan ahead. Most air conditioners and furnaces last 12 to 18 years, and a planned replacement is nearly always cheaper and less stressful than an emergency swap during a heat wave or cold snap. Our technicians know the climate demands common to Charleston and how they affect equipment life, so we can tell you honestly whether your system has years left or is living on borrowed time.
Maintenance PlansEach maintenance visit from Charleston HVAC is more than a filter change. The technician cleans the coils, verifies the refrigerant charge, tests capacitors and contactors, inspects the burners and heat exchanger, clears the condensate drain, puts in a fresh filter, and measures static pressure across the ducts. Small problems are caught while they're inexpensive to correct, and your system stays running at full efficiency.
Every maintenance plan we write is a little different. An older furnace needs a closer look than a new heat pump, and a dusty area means condenser coils clog faster. We build spring cooling and fall heating visits around your equipment and climate, so every tune-up helps keep the system efficient and extends the life of the equipment you've already paid for.
Homeowners are often surprised how much a regular maintenance schedule cuts operating costs. A clean coil transfers heat far more efficiently, a properly charged system stops overworking the compressor, and a fresh filter protects the blower motor. Most families find that a maintenance plan costs far less than replacing an HVAC system even one year early.
Proper SizingProper sizing matters more than most homeowners realize. Before recommending new equipment, Charleston HVAC measures the details that determine your home's heating and cooling load: square footage, insulation, window exposure, and duct layout. That gives you a system that runs in long, efficient cycles, keeps humidity in check, and keeps every room at the temperature you set.
Homes change over time. An addition or a finished basement can outgrow the single-stage system that once kept up just fine. Today's two-stage and variable-speed equipment holds tighter temperatures and uses much less energy. If you're torn between a heat pump and a furnace-and-AC pair, or ducted and ductless, we'll lay out the real trade-offs in SEER2 ratings, operating cost, electrical and venting needs, and installation work.
Frequent FailuresHomes in Charleston run into a familiar set of heating and cooling failures, and each one calls for a different fix. Charleston HVAC handles them all: no cooling, air that blows but never gets cold, furnaces that won't ignite or short-cycle, frozen evaporator coils, refrigerant leaks, condensers that hum without starting, thermostats that lose their settings, clogged condensate drains, and mini-splits flashing error codes. Our technicians identify the exact fault and target the repair to the component that actually failed.
Some problems are mostly a nuisance, while others pose real risks. A weak capacitor simply keeps the compressor from starting, but a cracked heat exchanger can leak combustion gases into your living space, and a blocked condensate drain can quietly ruin a ceiling. We match the fix to the failure: capacitors, contactors, and fan motors on cooling systems, igniters, flame sensors, and control boards on furnaces, sealed and repaired ductwork where conditioned air is bleeding into the attic, and a proper refrigerant recharge after a repaired leak. Whatever you're facing, our team has the parts and experience to handle it.
Call Charleston HVAC for expert HVAC inspections and honest recommendations.
Call (843) 268-6960 NowA house without cooling in July can't wait until next week. Charleston HVAC handles same-day and emergency calls throughout Charleston, and our technicians arrive fully equipped, carrying test equipment, common parts, and the know-how to get your system running again fast. When a repair doesn't make sense, we'll spec a replacement correctly and install it without delay.
Quick service shouldn't mean cutting corners. Even in the middle of a heat wave, we price the job upfront, fix the underlying cause instead of patching the symptom, and explain everything in plain terms. It's an approach that has built loyal customers all over Charleston.
Done RightLong-term reliability comes from finding out why a part failed, not simply swapping the part. Charleston HVAC checks airflow, duct design, and installation quality on every call, since those underlying issues are behind many repeat failures. You get the care we'd give a neighbor, because in Charleston, that's exactly what you are.
Here's what to expect: a thorough inspection, a clear recommendation with the price upfront, careful repair or installation, and straight talk on keeping the system healthy afterward. You get dependable comfort all year, and our team is just a call away whenever you need us. Many homeowners add a seasonal maintenance plan to get year-round coverage.
Call Charleston HVAC for fast, professional residential heating and cooling service throughout Charleston.
Call (843) 268-6960 Today