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TRUSTED BY MOUNT PLEASANT, SC HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1.3k+
    Verified heating and air conditioning services reviews

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

Avatar for Carney & Son 72 Degrees
Carney & Son 72 Degrees
4.6(
79
)
Air Ducts & Vents - CleanCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+6 more

Serving Mount Pleasant, SC and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"I called for preventive maintenance on a 14-year-old unit and wound up purchasing a new HVAC system. There was no sales pressure, just honest education on the status of my system. The office staff is very professional and pleasant, as are the technicians. They arrived on time, worked efficiently, and answered all my questions with knowledge and patience. So far, I'm very happy with their service."
Carney & Son 72 Degrees
Carney & Son 72 Degrees
Carney & Son 72 Degrees
Before Duct Cleaning
After Duct Cleaning

+11

Response time7 hrs
6 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Maximum Air Experts
Maximum Air Experts
5.0(
19
)
Central A/C - Service or RepairThermostat - Repair or Reprogram

Serving Mount Pleasant, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Credit card accepted

"Damien came out and checked my unit and told me exactly what was wrong. The unit had a leak. He fixed the problem and checked back on several occasions to make sure that the unit was running properly ( never had a company to do a follow up like he did). Very impressed. He will be the only person that I will call for any future HVAC needs. Very professional and will highly recommend."
Response time6 hrs
1 neighbors recently requested a quote
Recommended by50%of homeowners
5 Star Charleston LC
5.0(
13
)
Central A/C - Service or RepairDuctless Mini-split Heating System - Install or ReplaceElectric Furnace / Forced Air Heating System - Repair+7 more

Serving Mount Pleasant, SC and surrounding areas

Approved

In business since 1982

Free estimates

Offers commercial services

"Everything about my experience was terrific, from Allison in the office to Todd in the field. After 2 years in my house & 2 different companies, Todd came in & immediately assessed, & delivered solutions, to the issues Iâ d been complaining about. Additionally, their prices are very reasonable, whichâ having limited fundsâ I deeply appreciated. I am so grateful I found the."
Response time10 hrs
1 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Quality Pro Services
Quality Pro Services
5.0(
26
)
Electric Furnace / Forced Air Heating System - InstallDuctless Mini-split A/C - Install or ReplaceGas Furnace / Forced Air Heating System - Install+7 more

Serving Mount Pleasant, SC and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Quality Pro Services Heating & Air is a locally owned, family-operated HVAC company proudly serving Charleston and surrounding communities. As Charleston natives, we?re committed to keeping our neighbors comfortable year-round with honest service and dependable workmanship. We provide residential heating and cooling repairs, system replacements, and routine maintenance to keep your system running at its best. Our team responds quickly, communicates clearly, and treats your home with care and respect. When you call QPS, you?re choosing a local team that truly cares about your family?s comfort.

QPS Business Photos
HVAC Maintenance
HVAC Maintenance
HVAC Maintenance
HVAC Maintenance

+1

5 neighbors recently requested a quote
Avatar for Bakers Residential Experts
Bakers Residential Experts
4.5(
16
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+18 more

Serving Mount Pleasant, SC and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"My HVAC unit quit working with temperatures in the 90's. I made an appointment, and Bakers updated me via text so I would know precisely when the technician would arrive. The technician was professional, courteous, and knowledgeable. He found and resolved the HVAC issue in short order. Pricing is very reasonable. I recommend this company without reservation."
Split Heat Pump
Response time11 hrs
22 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Preferred Home Services, LLC
Preferred Home Services, LLC
3.8(
51
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+7 more

Serving Mount Pleasant, SC and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"Prompt service. Came to give quote and offered to do the job the same day. Technician negotiated a price comparable to other quotes we received with his boss prior to installation. He Cleaned up beautifully, everything working well. We had Prefered Home services for an HVAC repair in the past, that’s why we called them for a quote. Good immediate reliable service twice now!"
Generator
Generator & HVAC Maintenance
Encapsulation
Encapsulation
Shower

+9

282 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for FIX-IT 24/7 AIR CONDITIONING, PLUMBING AND HEATING LLC
FIX-IT 24/7 AIR CONDITIONING, PLUMBING AND HEATING LLC
5.0(
5
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Repair

Serving Mount Pleasant, SC and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

Fix-It 24/7 provides AC, heating, and plumbing services across the Charleston area. We focus on preventative care that extends the life of your home’s systems in a humid coastal climate. \n\nWe offer 24/7 availability with fast response times. Same-day service available, or your diagnostic is waived. \n\nWith more than 3,000 5-star reviews, homeowners trust us for reliable service. New customers can take advantage of our $39 AC deep clean.

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Heating and Air Conditioning FAQs, answered by experts

Deciding whether to replace just the AC coil or the entire system depends on the age of your unit and the overall cost. Replacing a coil is less expensive than a full system replacement, but it can still be a pricey repair. If your HVAC system is relatively new and still under warranty, or if the replacement cost is significantly lower than a new system, replacing the coil can be a worthwhile investment that restores efficiency and extends the unit's life. However, for older systems (nearing the end of their 10-15 year lifespan) or those with extensive damage, it is often more cost-effective to replace the entire AC unit. Mismatched coils in an older system can lead to inefficiency and future breakdowns, so a full replacement ensures optimal performance and avoids further costly repairs.

No, you should not attempt to replace an AC evaporator coil yourself. This is a complex task that must be performed by a licensed HVAC technician. The process involves handling hazardous and flammable refrigerants, which poses significant safety risks. Attempting a DIY replacement can also cause further damage to your HVAC system and will likely void its warranty. It is necessary to hire a local AC repair professional for this job.

Yes, it's normal for air conditioners to leak tiny amounts of water due to condensation. Under normal circumstances, all excess moisture travels to the drain pan to be pumped through your system's drain line. You should call a technician to diagnose the issue if you're noticing frequent leaking or pooling. It's also important to investigate if your homeowners insurance can cover water damage.

Yes, ventless portable air conditioners exist, and not all standard portable air conditioners must be vented through a window.

Ventless portable units, often called evaporative coolers, do not have exhaust hoses. They use a water reservoir and a cooling pad to add moisture to the air, making it feel cooler. These units work best in dry climates because humid areas cannot absorb much additional moisture.

For standard portable air conditioners that do require venting, a window is not the only option; they can also be vented through a door, wall, or ceiling. However, it is essential to vent these units properly. Running a standard portable AC without venting it is counterproductive because it needs to expel heat to cool the room. Failing to do so will only increase the room's temperature.

The size window AC you need depends on the BTU and the size of the room you’re cooling. For a room with 8-foot ceilings, look for about 20 BTU per square foot of the room. For example, a 12-by-12-foot room should have an air conditioner with 2,880 BTU. You can buy something slightly more powerful, but don’t overshoot the BTU for a small room, or you’ll waste energy and have higher bills.

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

From average costs to expert advice, get all the answers you need to get your job done.