The Seaside Heating & Air Blog
Straight answers about heating, cooling, and indoor air — written for Grand Strand homes, not search engines. No fluff, no invented numbers, just what our technicians would tell you at your kitchen table.
Costs & buying
What Does AC Repair Cost in Myrtle Beach?
No flat-rate answers here — just the real factors behind AC repair bills on the Grand Strand, from failed parts to salt-air wear.
Read article →HVAC Replacement Cost: What Really Drives the Price
System size, efficiency, ductwork, permits — the real levers behind replacement pricing, explained without a single made-up number.
Read article →SEER2 Ratings Explained: What Homeowners Should Know
SEER became SEER2 in 2023 and the test got tougher. What the number measures, the Southeast minimums, and when higher is worth it.
Read article →Mini-Split vs. Central Air: Which Fits Your Home?
Zoning, no-duct retrofits, efficiency, aesthetics — the real mini-split vs. central comparison for coastal homes.
Read article →How Long Does an AC Last Near the Coast?
Salt air vs. the 15-year rule of thumb: what shortens coastal AC life and the habits that buy back years.
Read article →Do You Need a Permit for HVAC Work in Horry County?
Which HVAC jobs need permits in Horry County, why the inspection protects you, and the red flag of a contractor who skips them.
Read article →HVAC Warranties Explained: Parts, Labor, and Registration
Parts vs. labor, registration windows, and the maintenance records that protect a warranty worth thousands.
Read article →Repairs & diagnostics
How Salt Air Damages Your HVAC System (and How to Fight It)
The coastal differentiator: how salt spray attacks coils, fins, and electrical connections — and the maintenance habits that fight back.
Read article →AC Blowing Warm Air? 9 Causes Worth Checking
The most-searched AC symptom, decoded: nine causes from the thermostat to the compressor, in the order a tech would check them.
Read article →Why Is My AC Freezing Up?
Ice in July? The two root causes of a frozen AC — airflow and refrigerant — plus exactly what to do before the tech arrives.
Read article →10 Signs Your Furnace Needs Repair
Ten warning signs from short cycling to the rotten-egg smell — including which ones mean 'call now' and which mean 'schedule soon.'
Read article →Refrigerant Leak: 7 Signs Your AC Is Losing Refrigerant
Seven signs of a refrigerant leak, why 'just top it off' is bad advice, and what a proper leak repair involves.
Read article →Why Your AC Keeps Turning On and Off (Short Cycling)
Six causes of short cycling, why it destroys compressors, and the tests that pinpoint which cause is yours.
Read article →Maintenance
How Often Should You Service Your HVAC System?
The twice-a-year rule, the coastal exceptions, and the monthly habits that matter more than the service visits.
Read article →The Best Thermostat Settings for a South Carolina Summer
The 78-degree question, the humidity factor everyone misses, and how to set back the thermostat without growing mold.
Read article →The Complete HVAC Maintenance Checklist for Homeowners
Monthly filter checks to annual pro tune-ups: the complete checklist, split into homeowner tasks and technician tasks.
Read article →Commercial HVAC Maintenance: A Practical Guide for Grand Strand Businesses
Rooftop units, salt air, tourist-season timing — the commercial maintenance playbook for Myrtle Beach businesses.
Read article →How Attic Insulation Affects Your HVAC System's Efficiency
130-degree attics, compressed insulation, ducts in the inferno — how the space above your ceiling taxes your system.
Read article →Can a Smart Thermostat Really Lower Your Energy Bills?
Where smart thermostat savings actually come from — and the heat-pump aux-heat trap that can erase them.
Read article →Which Way Should Your Ceiling Fan Spin in Summer?
Counterclockwise in summer, clockwise in winter — the downdraft explained, plus the thermostat trick that saves money.
Read article →Heat pumps
Heat Pump vs. Central AC: What's Better for Coastal South Carolina?
Mild winters, brutal humidity, salt air — how the Grand Strand climate tilts the classic heat pump vs. AC debate.
Read article →Winter Heat Pump Tips for South Carolina Homes
Defrost steam, aux heat lights, cold-snap behavior — what's normal for a heat pump in a Myrtle Beach winter and what needs a tech.
Read article →Heat Pump Making Noise? What Each Sound Means
The complete heat pump sound dictionary: normal operational noises vs. the grinding, squealing, and banging that need a technician.
Read article →Indoor air & ducts
7 Signs Your Ductwork Needs Replacing
The hidden half of your HVAC system: seven signs your ducts are leaking, crushed, or done — and why attics are so hard on them.
Read article →Why Indoor Humidity Is So High in Myrtle Beach (and What to Do)
The 30–50% target, why oversized ACs make humidity worse, and when a whole-home dehumidifier is the answer.
Read article →How to Choose the Right HVAC Filter for Your Home
MERV ratings decoded, the high-MERV airflow trap, and change intervals for beach-sand-and-pet households.
Read article →HVAC Zoning Systems Explained: Comfort Room by Room
How zoned HVAC works, which homes benefit most, and the ductwork requirements that make or break a zoning retrofit.
Read article →Mold in Air Ducts: Signs, Causes, and What to Do
The musty-smell diagnostic: why coastal ducts grow mold, how pros verify it, and the moisture fix that prevents recurrence.
Read article →Storm & emergency
How to Protect Your HVAC System Before a Hurricane
The hurricane-season HVAC checklist: what to do before the storm, during it, and the critical post-storm steps most people skip.
Read article →HVAC Emergency? Here's Exactly What to Do First
The emergency triage sequence: safety checks first, five-minute homeowner diagnosis, then exactly what to tell the dispatcher.
Read article →HVAC questions? Talk to a real technician
Guides are great — but sometimes you just need a pro to look at your system. Call (123) 456-789 any time, day or night.