Trust J.W. Long Mechanical for Quality AC Repair & Installation

AC Repair in Downtown Charleston, SC

As a homeowner in the Charleston, South Carolina area, you are well aware of how crucial it is to have a properly operating air conditioning system, especially during those hot summer days. When we say hot, we mean it - summers in South Carolina heat up quickly with high humidity and average high temperatures near 90°F across most of the state. During the hot months of the year, average temperatures range from the upper 60s in the Upstate to the mid-70s in the Lowcountry, but maximum temperatures can reach over 100 degrees.

On the hottest of hot days, having a reliable AC unit to cool you down is non-negotiable. When the weather heats up in The Palmetto State, and your AC is on the fritz, it's best to act quick and contact an HVAC repair company that can help.

At J.W. Long Mechanical, we provide you with quick, effective solutions for:

  • 01Air Conditioning Repair
  • 02Air Conditioning Installation
  • 03HVAC Installation
  • 04Dirty AC Filters
  • 05Low AC Refrigeran
  • 06AC Leak Repair
  • 07AC Coil Problems
  • 08Malfunctioning Thermostats
  • 09AC Blowing Hot Air
  • 10More

My AC Isn't Working. What's Going On?

You don't have to be a graduate from College of Charleston near Downtown Charleston, SC, to know when something is wrong with your air conditioning. Being aware of common AC unit problems helps prevent breakdowns. Who wants to be stuck inside during a hot summer in Downtown Charleston, SC without AC? Keep your eyes and ears peeled for these common issues:

01Your Air Conditioner Isn't Turning On

Waking up in the morning to find that the air conditioner won't turn on is incredibly frustrating. No matter how low you set the thermostat, the AC still refuses to engage.

AC Repair Technician Downtown Charleston, SC

Cause

At times, this issue arises due to a tripped circuit breaker. Additional causes may include a defective thermostat or loose wiring.

Solution

Some AC problems can be fixed without any training. This is not one of those issues. Do not attempt to do any wiring work on your own. Call a respected HVAC company like J.W. Long Mechanical for AC repair in Downtown Charleston, SC. Our techs have specialized equipment that can help diagnose the issue and advanced training to perform fixes.

02Your AC Won't Stop Running

This problem is a complete 180 from the entry above. It's completely normal for your air conditioner to work harder during hot weather, but it should still turn off at regular intervals. Addressing an AC that won't shut off is essential for protecting its key components and keeping your energy bills in check.

Air Conditioning Repair Service Downtown Charleston, SC

Cause

This problem can stem from a variety of sources and is very common. You might be dealing with a faulty thermostat, a malfunctioning compressor, clogged air filters, or even issues with electrical components.

Solution

To start, try switching off the thermostat fan to check if that turns off the air conditioner. If it doesn't, reach out to our HVAC company. Our experts are skilled at quickly identifying issues and often handle repairs on the first visit.

03Your AC Unit Blows Out Hot Air

Why is your air conditioning unit blowing out warm air instead of cool? The last thing you want is to feel even hotter while you're already sweating inside your home. Unfortunately, this issue can happen even during the peak of summer.

Emergency AC Repair Downtown Charleston, SC

Cause

Warm air could indicate a dirty air filter, blockages in the ducts, or debris that is leading to the compressor overheating. It's also possible that your refrigerant levels are low.

Solution

Change your air filters every one to two months to avoid clogs, and make sure to have your ducts cleaned at least once a year. Before you top off the refrigerant in your AC units, always have an AC repair specialist check for leaks. At J.W. Long Mechanical, our HVAC techs are very familiar with this task and can actually help save you money in the long run.

04HVAC System Leaks

Homeowners often find it challenging to detect refrigerant leaks since they typically occur within the coolant lines. However, if you notice brightly colored stains near your AC unit, it could indicate trouble. While some condensation outside the air conditioner is normal, excessive moisture may suggest a water leak.

HVAC Maintenance Downtown Charleston, SC

Cause

Over time, the lines and connections in an AC system can deteriorate, which often results in refrigerant leaks. Water leaks are generally caused by blocked drainage pipes and malfunctioning condensate pumps.

Solution

If you spot a refrigerant leak, make sure to turn off the unit and reach out to our HVAC company in Downtown Charleston, SC as soon as possible. Low refrigerant levels can lead to serious damage to the compressor, which is one of the costliest parts to replace. Thankfully, regular maintenance checks can uncover these issues, and our certified technicians can recharge the refrigerant as needed.

05Constant On and Off Cycles

This issue is commonly referred to as short cycling. Instead of running through a complete cooling cycle, the air conditioner repeatedly starts and stops. This can be a significant problem that may lead to compressor damage.

Residential Air Conditioning Repair Downtown Charleston, SC

Cause

Sometimes, the issue can be as straightforward as dirty air filters or a thermostat that needs recalibrating. It's also possible that your air conditioner is simply too powerful for the size of your home.

Solution

The first step to solving this problem is to call an AC repair company to come out and look at your HVAC system. At J.W. Long, our team will diagnose your problem and provide cost-effective options for you to consider. If your AC system isn't the right fit for your home, new AC installation may be in store - especially for long-term savings.

AC Repair vs. Air Conditioning Installation in Downtown Charleston, SC

Which is best: AC repair or new AC installation? The answer to that question will change depending on your circumstances. Some of the most logical reasons to go with AC repair instead of having a new unit installed are:

  • Age of AC Unit: If your air conditioner is less than 10 years old, it still has life.
  • One-Off Repair: If an HVAC technician from J.W. Long suggests a repair for a one-off issue, there's really no need to replace your unit. If the issue starts to happen more frequently, you may want to change your mind.
  • Great Deals and Financing: Before you start calculating the price of repairs, consider that J.W. Long Mechanical offers regular specials and financing for our services, which may make a repair far more feasible.
Licensed HVAC Contractor Downtown Charleston, SC

Here are a few of the biggest reasons to have a new AC unit installed instead of paying for perpetual repairs:

Efficiency

Forget about the system breaking down. Even before your old air conditioner quit on you, it was already racking up some shocking electricity bills. For an aging system, there's only so much regular maintenance can accomplish. Eventually, it might be time to consider a new system, especially when you weigh the benefits of energy efficiency.

Boost the Value of Your Home

Even if you're not considering selling your home at the moment, installing a new air conditioner can boost your property's value if you ever decide to sell. It might even be a key factor in securing a buyer rather than losing out on a sale.

The Right Price at the Right Time:

It's not just true for repairs-it's equally relevant when considering new air conditioning systems. At J.W. Long Mechanical, we often run specials on new AC installations and even offer financing that can help you stick to a budget. If the cost of repairing your current system is nearing the price of a new unit, don't hesitate to invest in a new air conditioner. You'll likely recoup the price difference through energy savings.

Quick Repairs

Get the Air You Need for the Life You Lead

The best AC Repair and Installation services offer expertise and service, 24/7 availability for urgent situations.

AC Repair Technician Downtown Charleston, SC

An HVAC Company in Downtown Charleston, SC You Can Trust

At J. W. Long Mechanical Company, we've been providing heating and air conditioning services in South Carolina since 1950. Founded by J.W. Long and now led by Shannon Heber, our business is built on integrity, reliability, affordability, and quality work. We treat our customers like family and are passionate about exceptional service

Air Conditioning Repair Service Downtown Charleston, SC

The J.W. Long Difference

Our experienced team has earned a reputation for excellence, winning the Trane Distinguished Dealer Award 17 times and being recognized as an independent Trane Comfort Specialist™ Dealer. You can trust us for top-notch heating and cooling products installed with expertise that maximizes performance and value for your budget.

For reliable air conditioning service or repair, J.W. Long's skilled technicians quickly restore your system. Looking for a new unit? Our comfort consultants make AC installation easier than Sunday morning at Magnolias in Downtown Charleston, SC. To make your life simpler and stress-free, we can provide a free assessment and design a system tailored to your needs and budget. We also provide indoor air quality products and dehumidification for your comfort on hot days.

If you're looking for an AC repair and installation expert with your best interests at heart, give our office a call today. It would be our pleasure to exceed your expectations.

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What Our Clients Are Saying

Latest News Near Downtown Charleston, SC

Charleston students at SkyGardens apartments face days of water, power outages

CHARLESTON , S.C. (WCIV) — After days of uncertainty over whether they would have running water or electricity, residents at SkyGardens Apartments in downtown Charleston say they are fed up and some are preparing to move out.SkyGardens is a popular residence for students at the College of Charleston. Residents said they have dealt with ongoing problems for months, but a pipe burst and flooding last week escalated the situation, followed by extended outages and what they described as limited communication from management.E...

CHARLESTON , S.C. (WCIV) — After days of uncertainty over whether they would have running water or electricity, residents at SkyGardens Apartments in downtown Charleston say they are fed up and some are preparing to move out.

SkyGardens is a popular residence for students at the College of Charleston. Residents said they have dealt with ongoing problems for months, but a pipe burst and flooding last week escalated the situation, followed by extended outages and what they described as limited communication from management.

Emails from the apartment messaging system said water pressure was reduced on Wednesday, March 11th, to conduct repairs. Residents said that turned into all water being turned off for more than 24 hours starting Thursday morning.

Thursday night, students woke up to fire alarms as a pipe burst began flooding parts of the building, and one of the building’s two elevators was shut down.

Addie Johnson, a resident, said her unit flooded as the result of the pipe burst on Thursday night, “We had about two inches of sitting water just throughout the building and on our carpets.” Johnson said residents struggled to get help. “We couldn't get a hold of anybody in management or anybody in maintenance to help clean up the issue,” she said.

Eleanor O’Leary, another resident, said the conditions in her unit have become unlivable. “And now our room is just full of moisture, and all of our carpets are soaked. We can’t live there. We can’t live in it anymore,” O’Leary said. She added, “We're paying $2,000 a month, and we can't even live in our apartment.”

The building then lost power on Friday, and it did not come back on until late Saturday night, residents said. They said they hoped the situation had stabilized, but water and power were temporarily shut off again Tuesday.

With conditions in the building uncertain, residents said many have spent the past couple of days in hotel rooms at their own expense.

“We've had to stay somewhere else,” Johnson said, adding that while she has family nearby, others do not. She said the apartment’s proposed hotel option created additional challenges. “They offered a hotel for $109 per night, but it's 20 minutes away, and a lot of people don't have cars here, so it's been kind of affecting our personal lives,” Johnson said. “Like, not being able to focus in class, 'cause we're worried about coming back to no power, where we're gonna sleep next.”

Mia Konstantinakos said residents were frustrated by what they viewed as limited support. “They're not even providing the hotel, no vouchers, no ride vouchers.”

Grace Porcaro said residents have also struggled to contact management, “If we call them, no one answers, just like an AI agent,” Porcaro said. “And if we go to the leasing office, no one talks to us because no one's there.”

Residents said the problems did not start with last week’s flooding. Sophia Fiuza said, “Since the first day we got here, we were already facing problems with plumbing.”

Johnson said, “We haven't had hot water for about four months now.”

Porcaro said, “We had plastic bags over our vents for about three months in the middle of the school year,” and added, “Our dishwasher's been broken for the past two months.”

The apartment sent a message to students Tuesday afternoon saying water and electricity had been restored, and that units will be assessed starting Wednesday to determine whether residents will receive compensation and how much.

Some residents said they are skeptical. “I mean, they say things a lot and it just doesn't happen,” said Brantlee Saxon. “They don't actually follow through.” Saxon said, “I'm definitely moving out, but the option I have is not any cheaper at all. It's way more expensive than this.”

Porcaro added, “I thought this was a very good deal, but I'm not getting my money's worth, that's for sure.”

SkyGardens management was contacted for comment, but no response was received.

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