When your air conditioning quits during a Columbia summer, it isn’t a minor inconvenience — it’s your family sweating through 90-degree heat and thick humidity while you wait for help. Reliable HVAC repair in Columbia, SC is one of those things you never think about until you need it, and then it’s the only thing that matters. That’s exactly the moment MacDavy Heating & Air was built for.
MacDavy Heating & Air is a locally owned, family-operated company with more than 20 years of hands-on HVAC experience across Columbia, Richland County, and the greater Midlands. Owner David and his team have built their reputation the old-fashioned way — by showing up on time, diagnosing the real problem, and explaining your options in plain language. No jargon, no runaround, and never a high-pressure pitch for equipment you don’t need.
We know this area because we live here. From the historic streets of downtown Columbia and the USC campus to the lake homes around Irmo and Chapin, Midlands houses come in every age and style — and each one heats and cools a little differently. That local knowledge means we spot problems faster and repair them right the first time.
Great HVAC repair should also protect your wallet. A small refrigerant leak or a worn capacitor left unchecked can snowball into a full system failure at the worst possible time. We help Columbia homeowners get the most life out of the equipment they already own with honest, upfront repairs — and straight advice on when a repair makes sense versus when replacement is the smarter investment.
From emergency breakdowns to seasonal tune-ups, we handle the full range of home comfort systems across the Midlands.
From no-cool emergencies to full system replacements, we repair, maintain, and install air conditioning built to stand up to Columbia’s brutal summers.
Gas furnace won’t fire? We repair, maintain, and replace heating systems so your home stays warm through every Midlands cold snap.
Heat pumps do double duty year-round in our climate. We diagnose, repair, and replace them to keep efficient comfort running in every season.
Leaky, aging ducts quietly waste energy and comfort. We repair and replace ductwork to improve airflow, efficiency, and indoor air quality.
Here’s why HVAC systems in the Midlands work harder than almost anywhere — and why timely repair pays off.
Columbia sits squarely in a humid subtropical climate, which means long, punishing cooling seasons and short but real winter demands. With average July highs near 91 degrees and heat indexes that regularly push past 110, your air conditioner runs hard for roughly six months a year — and every one of those hours is wear on compressors, capacitors, and coils. High humidity adds another layer of strain, forcing systems to work overtime just to pull moisture out of the air. For Columbia homeowners, that makes proactive repair less of a luxury and more of a necessity: catching a small issue in spring is far cheaper than an emergency replacement in the middle of an August heat wave.
* Data sourced from NOAA / National Weather Service climate records, 1991–2020 normals. Contact MacDavy Heating & Air for a current analysis.
MacDavy Heating & Air serves homeowners across the Midlands, from Richland County to the Lake Murray communities.
Here’s what sets MacDavy Heating & Air apart from the big-box HVAC outfits.
We’re not a national chain routing you through a call center. You deal directly with the people who do the work and stand behind it.
You’ll know the cost before we start. We quote every repair upfront and never use high-pressure sales tactics to push equipment you don’t need.
Two decades of repairing Midlands HVAC systems means we’ve likely seen your problem before — and we know the fastest path to a lasting fix.
Comfort emergencies don’t keep business hours. When the heat index climbs and your system quits, we’re ready to respond around the clock.
From Trane and American Standard to Rheem, Goodman, Carrier, and beyond, we service the top brands in the industry with quality parts.
Columbia neighbors consistently rate us five stars for prompt, professional, fairly priced work — and we’d love to earn your review next.
In most cases we offer same-day and next-day appointments, and we provide 24/7 emergency HVAC repair for true no-cool and no-heat situations. When your AC goes down in a Columbia heat wave, getting you comfortable fast is our priority.
It depends on the age of the system, the cost of the repair, and how efficiently it is running. As a rule of thumb, if your unit is 10 to 15 years old and facing a major repair, replacement may save more over the long run. We give you an honest recommendation either way — never a sales pitch.
We service all major heating and cooling brands, including Trane, American Standard, Rheem, Goodman, Carrier, and more. Whatever equipment you have, our technicians can diagnose and repair it.
Every repair is different, so we quote the exact price upfront before any work begins — no surprises on the invoice. Simple fixes are affordable; larger repairs cost more, but you always approve the price first.
Yes. MacDavy Heating & Air provides 24/7 emergency HVAC repair across Columbia and the Midlands, because a broken system on the hottest or coldest night of the year cannot wait until morning.
Whether your AC quit in a July heat wave or your furnace won’t fire on a January night, MacDavy Heating & Air will get it diagnosed and repaired fast. Schedule your free, no-obligation consultation today.
Schedule a Consultation Call (803) 520-0200David Palmano · Licensed & Insured · SC License # CLM.117971 · Owner & Lead Technician
Phone: (803) 520-0200
Website: macdavyservices.com