Our Graniteville-based crews carry the parts and the know-how to get your air moving again today. Same-day appointments available across Graniteville and the surrounding zip codes.

Call +1-866-805-8548 and describe what your system is doing — the symptoms help us send a tech prepared with the right parts.
You'll get a flat-rate quote before any repair work begins — no guessing what the final bill will look like.
Most repairs are completed same-visit, and we test the system before we leave to confirm it's actually holding.
Leonard HVAC didn't start as a franchise chasing volume. Every technician we send to your door is background-checked, factory-trained, and licensed to work on the systems installed throughout Graniteville, SC.
We're not the biggest name in Graniteville — we're the company that tells you what actually needs fixing instead of what pads the ticket. We carry the credentials Graniteville inspectors and property managers expect to see, and we keep that documentation available on request for every job, big or small.
We know which neighborhoods run on older ductwork and which subdivisions were built with newer high-efficiency systems. That local knowledge shapes the parts we stock on the truck — it's the difference between a tech who's guessing and a tech who's seen your exact situation a hundred times before.
Ask around Graniteville and you'll hear the same complaint about a lot of HVAC companies. That's the gap we built Leonard HVAC to close. We track arrival windows, callback rates, and repeat-issue complaints internally so problems get caught before they become patterns, because a customer who trusts us once tends to call us again — and Graniteville is a small enough community that reputation travels fast.
Our office team is based locally too, not routed through an out-of-state call center that's never seen a Graniteville rooftop unit. It also means faster escalation when something's urgent — a local dispatcher can reroute the nearest truck in minutes, not hours.
Whether it's a mid-summer breakdown or a planned system replacement, our Graniteville techs handle it with the same level of care.
A dead system in the middle of a heat wave or a cold snap isn't just inconvenient — it can be a real safety issue for kids, pets, and older residents. Our Graniteville dispatch team moves emergency tickets to the front of the schedule so a technician is diagnosing your system as fast as physically possible.
We keep the truck stocked with the parts that fail most often on the equipment common to Graniteville homes, which is exactly why most repairs don't require a return visit.

Not every repair call ends in a repair — sometimes the honest recommendation is a properly sized replacement. We walk Graniteville homeowners through load calculations so the new system is sized correctly for the actual square footage before a single piece of equipment gets ordered.
Most installs in Graniteville are completed in a single day, and we walk you through the new thermostat and any app controls before we leave.

A retail floor, a restaurant kitchen, or an office suite can't run without stable climate control. Our commercial division services multi-zone commercial buildouts across Graniteville, with priority response for facilities that can't afford downtime.
Property managers working with multiple Graniteville locations can set up a standing account so every site gets consistent service history and pricing.

Most emergency breakdowns start as a small, ignorable warning sign months earlier. Beyond standard tune-ups, we also handle indoor air quality upgrades for homes with allergy or asthma concerns for Graniteville households that want more than just temperature control.
Maintenance plan members in Graniteville get scheduling reminders automatically, so tune-ups don't fall through the cracks during a busy season.

This is the standard every Graniteville technician on our team is held to.
Details vary by job type and are always shared upfront, never buried in fine print.
We quote a flat rate before work begins and that number doesn't change once you approve it.
If anything feels off after we leave, one call gets a tech back to your Graniteville address.
Most breakdowns don't happen without warning — they announce themselves for weeks before the system actually quits.
Ignoring new noises is one of the fastest ways to turn a small repair into a major one.
Weak airflow from the vents often traces back to a clogged filter, a failing blower motor, or leaking ductwork.
A system working harder than it should to hit the same temperature shows up directly on your utility bill.
This is one of the warning signs we recommend not waiting on.
A musty smell often points to mold or moisture buildup somewhere in the ductwork.
If you're calling about the same problem every few months, the underlying cause likely hasn't been fully addressed.
You'll know the cost before a wrench touches your system.
Because our trucks are stationed near Graniteville, we're rarely far from your address.
Parts and labor are backed by warranty terms explained in plain language.
Our techs recognize brand-specific quirks instead of learning your system on the job.
Photos and plain-language notes accompany every diagnostic.
Maintenance plan members get priority scheduling and discounted rates.
A snapshot of the feedback that keeps us accountable.
"The furnace stopped working overnight and someone was at our door before 9am. Fixed on the first visit and explained everything in terms I could actually understand."
"Signed up for the annual plan after our first repair and it's paid for itself already. You can tell these guys actually know what they're doing."
"They handled the whole install in a single day, exactly like they said they would. New system is noticeably quieter and our energy bill actually dropped."
"Commercial dispatch was quick and the tech understood our system without needing to be walked through it. Now our go-to for every property in the portfolio."
"Got quotes from four different companies for a replacement and this was the only one that actually walked me through the load calculation. Would use them again without hesitation."
"Called at 11pm during a heat wave and honestly didn't expect anyone to pick up, let alone show up. Genuinely relieved to have found a crew that answers when it matters."
After thousands of service calls across Graniteville, a handful of causes show up again and again.
Graniteville's seasonal swings put real stress on a system that isn't maintained regularly. Filters should be checked monthly during heavy-use seasons and replaced roughly every 60-90 days depending on your household and any pets.
Setting a programmable or smart thermostat to a consistent schedule reduces the number of times the system has to work hard to catch up to a big temperature swing. None of this replaces a professional tune-up, but it does reduce the wear that leads to premature breakdowns between visits.
Our technicians train across the major residential and commercial equipment lines, so you're not limited to a single brand's service network. If your system was installed by a different company entirely, that's not a problem — we service equipment regardless of who originally put it in, and we'll pull the model and serial information to confirm parts compatibility before any repair begins.
Here's a look at the kind of experience that shows up at your door.

Handles the majority of Graniteville installs and specializes in properly sizing equipment for older housing stock.

Known for fast, accurate diagnostics on no-heat and no-cool breakdowns.

Focuses on commercial rooftop units, multi-zone systems, and facility maintenance contracts.
For emergency no-heat or no-cool calls, we prioritize dispatch and aim to have a technician on-site the same day, often within a couple of hours.
We explain the diagnostic fee upfront and provide a flat-rate repair quote once the issue is identified.
Our emergency line runs 24 hours a day, including nights, weekends, and holidays.
We maintain current credentials because it protects both our customers and our team.
Our technicians walk you through the actual numbers — repair cost versus remaining system life versus new equipment efficiency — before making a recommendation.
Plan members typically see fewer surprise breakdowns because small issues get caught during routine visits.
We cover Graniteville and the surrounding communities, including the zip codes listed in our coverage section below.
Yes, we run separate residential and commercial divisions, both fully licensed and equipped for their respective equipment.
Our technicians are trained across the major residential and commercial equipment lines, not limited to a single manufacturer.
We understand a full system replacement is a significant expense, which is why flexible payment options exist.
Twice-yearly maintenance is the standard we recommend given the temperature swings the area sees.
If you smell gas or burning, shut off the system at the breaker and step outside, then call us immediately.
Ask about current after-hours rates when you call +1-866-805-8548.
Straightforward fixes like a capacitor swap or a thermostat replacement are often finished in well under an hour.
For commercial accounts or rental properties, a designated point of contact or property manager can coordinate access instead.
Housing stock varies a lot across Graniteville — older homes often still run original ductwork that needs different care than the sealed, high-efficiency systems going into newer builds.
Larger properties get the same upfront pricing and licensed technicians as a single-family service call, just coordinated at scale.
A full system replacement is one of the bigger home expenses most people face, and we don't expect everyone to pay it in a single lump sum. If a rebate or local incentive program applies to your Graniteville installation, our technicians will flag it during the estimate rather than leaving you to track it down after the fact.
If your address falls within Graniteville, SC and near Graniteville, there's a strong chance we already service your street.
Property managers with multiple Graniteville addresses can consolidate everything under one account for simpler scheduling and consistent pricing across every location.