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Top-Rated Heating and air conditioning pros in Johnsonville - Updated Nov 2026

Avatar for Swift Services Heating & Cooling, LLC
Swift Services Heating & Cooling, LLC
4.0(
65
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallAir Ducts & Vents - Clean+10 more

Serving Johnsonville, SC and surrounding areas

Approved (Corporate)

In business since 1997

Free estimates

Emergency services offered

"The technician's (Tim and Chaun) that did the installing of my HVAC were courteous and professional. Tim made sure everything was working to his satisfaction before he left and told us he would check back in a day or so to make sure it was functioning properly. My wife and myself very pleased. I should also state two years ago we had a new HVAC installed by Swift and continually had problems with it. After many service calls with little luck correcting the issue, Swift installed a new unit. Five more stars to Swift for integrity!"
Response time10 hrs
51 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Hill Plumbing & Electric Company Inc.
Hill Plumbing & Electric Company Inc.
4.5(
41
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or Replace+47 more

Serving Johnsonville, SC and surrounding areas

Approved

In business since 1925

Free estimates

Emergency services offered

"Job was completed in one day. It was convenient. I woke up with no hot water. Called Hill's (it was on a Friday) around 10am and they had one of their plumbers call me right back so I could explain the problem. He gave me a time that he would be at my home. He called me when he was on the way. He arrived at the time he had said he would (3:30pm). He showed me the problem. Water heater was leaking. (It was 22 years old). It needed to be replaced. I didn't have time or a truck to go purchase one myself. He replaced it and we had hot water by 6pm."
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+14

Response time1 day
Response rate100%
7 neighbors recently requested a quote
Avatar for Local Heating&Cooling
Local Heating&Cooling
New to Angi
Air Ducts & Vents - Clean

Serving Johnsonville, SC and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Locally owned and operated company. We pride ourselves on being honest with the homeowners. We give free estimates and free second opinions as well. Can’t count the amount of times we’ve gone behind other companies to find out that there were lies being told and homeowners stressing themselves out for minor or no problems at all. So don’t hesitate to call us and stay comfortable in your home.

Edith chavez
5.0(
1
)
Air Ducts & Vents - Clean

Serving Johnsonville, SC and surrounding areas

Approved

ABOUT ME: \n\nI am a dedicated cleaning professional with years of experience providing dependable, detailed cleaning services. \n\nAs a homeowner and mother of two daughters, I understand how important a clean, comfortable, and well-maintained space is for families \n\nI take pride in treating every home and property with care, respect & attention to detail.\n\n\nMy Passion:\n\nFor years, I dedicated myself to customer service & serving the \ncommunity, but I have always enjoyed cleaning. There is something incredibly satisfying about transforming a space and bringing comfort, peace & freshness to a home. \n\nThat passion is what inspired me to start my own cleaning business. Provide the quality, honesty, and care that every home deserves. It’s more than a job for me; it’s something I love, and it shows through in every finished result.

3 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

A non-maintained AC is more likely to perform poorly, increase your energy bills, and undergo more severe issues like breakage and water damage. That’s why DIY cleaning or professional maintenance is recommended annually. Otherwise, you might end up paying more in the end than you would for annual service. You can purchase cheap AC cleaning kits if you prefer going the DIY route.

No, it's not safe to keep using your unit when it's frozen. Not only can running a frozen unit lead to damage, but it can also potentially overheat, making it a fire hazard. Therefore, it's always best to turn off the AC unit as soon as you notice any ice.

Replacing an HVAC system does not always include new ductwork. The decision depends on the condition of your existing ducts. If they are in good shape, correctly sized for the new unit, and meet current standards, they can often be reused. However, if the ducts are damaged, poorly designed, or improperly sized, they will likely need to be replaced or upgraded to ensure the new system operates efficiently. An HVAC contractor will assess your ductwork and recommend the best course of action. Typically, ductwork is purchased separately, and a full replacement will add to the overall project cost.

The decision to put your AC unit on the roof or ground depends on the climate in your area, the roof shape, accessibility, and budget. If you live in a warm climate or don’t have existing ductwork, it’s likely best to stick to a traditional AC unit that sits on the ground. However, if you lack yard space, live in a mild climate, and have easy access to the roof, your home may benefit from a rooftop AC unit. 

While all portable AC units will collect moisture as part of their cooling and dehumidifying process, whether and how often you need to drain them depends on what kind of unit you have and the natural humidity levels where you live. For example, if you live in a very dry area and have a self-evaporating unit, you may not need to drain your portable AC very often at all. Some units may automatically drain collected moisture out the window through their exhaust vent.

The Johnsonville, SC homeowners’ guide to heating and air conditioning services

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