12 Vetted AC Repair Companies in Mount Pleasant, SC (2026)

Why Mount Pleasant Heat and Humidity Push So Many AC Repair Companies

Long, humid summers and coastal salt air accelerate component wear and clog condensate drains, driving repairs across Mount Pleasant. When choosing among the best AC repair companies in Mount Pleasant, SC, prioritize technicians who offer emergency service and corrosion-resistant parts.

Quick Picks

Most Transparent PricingCarolina Custom Air
flat-rate pricing, free estimates
Refrigerant leak detection & repair
Best for Capacitor & Electrical RepairC&C Myers Heating, Cooling, Plumbing & Electrical
Capacitor, contactor & motor repair
Best for Commercial AC RepairCarolina Custom Air
Commercial / rooftop-unit AC
Best NATE-Certified ShopCarolina Custom Air
Highest Vouched ScorePreferred Home Services
Vouched Score: 86
Best for Coil ReplacementCall Dad
Evaporator & condenser coil replacement

Awards based on the same publicly available signals as the Vouched Score, including provider-stated certifications and dealer status. Not independently verified.

Compare top AC Repair providers in Mount Pleasant

#ProviderScoreGoogleBBBYearsBest for
1Preferred Home Services864.9 (1,945+)
★ Highest Vouched Score

Editorial: Preferred Home Services advertises same-day emergency response for no-cooling calls. Preferred Home Services notes no overtime charges for maintenance plan members. Preferred Home Services lists leak detection and refrigerant recharge among HVAC capabilities. Preferred Home Services shows many recent reviews praising fast on-site repairs in Mount Pleasant's humid summer heat.

Strengths:
  • High Google rating (4.9★ across 1949 reviews)
  • Emergency response: same-day
  • Satisfaction guarantee
Reviewers praise:
  • punctuality
  • knowledgeable technicians
  • fast response
  • clear explanations
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC refrigerant leak repair
  • You need AC tune-up & maintenance
  • You need same-day or after-hours service
  • You need to finance the work
  • You want a top-rated provider with substantial review history (4.9★, 1,949 reviews)

Consider alternatives if:

  • Reports of rating divergence would be a deal-breaker for you
  • Reports of yelp rating would be a deal-breaker for you
  • You want a BBB-rated firm specifically
2Fix-it 24/7 Air Conditioning, Plumbing & Heating844.9 (2,130+)
Refrigerant Leak Repair

Editorial: Fix-it 24/7 states focused AC repair and diagnostics, including refrigerant leak detection. Fix-it 24/7 notes 25+ years serving the Charleston metro. Mount Pleasant homeowners face high summer humidity and heavy cooling demand. Google reviewers report fast same-day repairs and clear cost explanations.

Strengths:
  • High Google rating (4.9★ across 2133 reviews)
  • Long-established (25+ years in business)
  • Emergency response: 24/7
Reviewers praise:
  • fast same-day repairs
  • transparent pricing
  • knowledgeable diagnosis
  • punctuality
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC refrigerant leak repair
  • You need AC tune-up & maintenance
  • You need same-day or after-hours service
  • You need to finance the work
  • You prefer a family-owned operation

Consider alternatives if:

  • You want a BBB-rated firm specifically
3Carolina Custom Air844.9 (1,275+)19+
Most Transparent PricingCommercial AC RepairNATE-Certified Shop

Editorial: Carolina Custom Air lists ac_repair as a primary specialty with extensive service volume. The company notes NATE-certified technicians on staff. The business reports Trane Comfort Specialist dealer status for in-warranty support. Mount Pleasant homeowners face high humidity and salt air corrosion concerns near the coast. Review excerpts reference fast emergency response and clear pricing communication.

Strengths:
  • High Google rating (4.9★ across 1277 reviews)
  • Long-established (19+ years in business)
  • Authorized Trane Comfort Specialist Dealer
Reviewers praise:
  • punctuality
  • transparent pricing
  • fast emergency response
  • knowledgeable diagnostics
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC refrigerant leak repair
  • You need AC tune-up & maintenance
  • You need commercial AC repair
  • You need same-day or after-hours service
  • You want manufacturer-warranty installation work

Consider alternatives if:

  • You want a BBB-rated firm specifically
4Call Dad834.9 (1,020+)
Coil Replacement

Editorial: Call Dad advertises strong local AC repair capability with 24/7 emergency service and named coil and air-handler work. The company lists emergency response as 24/7/365 for no-cooling calls. Call Dad notes flat-rate pricing, financing, and free estimates on its pricing page. Call Dad states a one-year warranty on parts and services. Local coastal humidity and salt air in Mount Pleasant increase coil corrosion risk.

Strengths:
  • High Google rating (4.9★ across 1023 reviews)
  • Emergency response: 24/7
  • Financing available
Reviewers praise:
  • punctuality
  • knowledgeable techs
  • fast emergency response
  • thorough diagnostics
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC coil replacement
  • You need AC tune-up & maintenance
  • You need same-day or after-hours service
  • You need to finance the work
  • You prefer a family-owned operation

Consider alternatives if:

  • You want a BBB-rated firm specifically
5LimRic Plumbing, Electrical, Heating & Air814.9 (6,975+)

Editorial: AC repair is a listed specialty with diagnostics and leak-detection services noted. LimRic advertises emergency response 24/7 and same-day availability. The company lists financing options for larger repairs and replacements. LimRic reports more than fifty years serving the Lowcountry. LimRic's Google profile shows extensive praise for quick emergency repairs.

Strengths:
  • High Google rating (4.9★ across 6975 reviews)
  • Emergency response: 24/7
  • Financing available
Reviewers praise:
  • punctuality
  • same-day repairs
  • thorough diagnostics
  • clear communication
Reviewers flag:
  • Lower Yelp rating than Google (3.4★ vs 4.9★)
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC refrigerant leak repair
  • You need AC tune-up & maintenance
  • You need commercial AC repair
  • You need same-day or after-hours service
  • You need to finance the work

Consider alternatives if:

  • Reports of rating divergence would be a deal-breaker for you
  • Reports of yelp low rating would be a deal-breaker for you
  • You want a BBB-rated firm specifically
6Holy City Heating & Air, LLC814.9 (1,050+)

Editorial: Holy City Heating & Air advertises same-day emergency response for no-cooling calls. The company advertises a 12-year labor warranty on repairs. Holy City notes 10+ years in business since its 2015 founding. Google reviewers report thorough diagnostics and quick on-site repairs. Holy City serves Mount Pleasant and nearby coastal neighborhoods facing humid, salt-air wear on systems.

Strengths:
  • High Google rating (4.9★ across 1051 reviews)
  • Long-established (10+ years in business)
  • Emergency response: 24/7
Reviewers praise:
  • thorough diagnostics
  • fast response
  • maintenance plans
  • clear estimates
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC tune-up & maintenance
  • You need commercial AC repair
  • You need same-day or after-hours service
  • You need to finance the work
  • You have a commercial property

Consider alternatives if:

  • You want a BBB-rated firm specifically
7Dunes Heating and Air Conditioning815.0 (720+)28+

Editorial: ac repair specialization highlighted by reviewer stories of same-day fixes and clear diagnostics. Dunes Heating and Air Conditioning notes 25+ years serving Charleston area homes. Local summers bring high humidity and salt-air exposure to Mount Pleasant equipment. The company advertises same-day emergency response for no-cooling calls. Website lists flat-rate pricing and free estimates for common repairs.

Strengths:
  • High Google rating (5.0★ across 723 reviews)
  • Long-established (28+ years in business)
  • Emergency response: same-day
Reviewers praise:
  • punctuality
  • fast response
  • clear explanations
  • neat job sites
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC tune-up & maintenance
  • You need same-day or after-hours service
  • You prefer a family-owned operation
  • You want a top-rated provider with substantial review history (5.0★, 723 reviews)
  • You value a long-tenured local operator (28+ years in business)

Consider alternatives if:

  • You want a BBB-rated firm specifically
8HERO Heating and Air774.9 (855+)30+

Editorial: Same-day emergency windows and after-hours options are listed for no-cooling calls. Hero Heating and Air reports 30+ years serving the Charleston area. Hero notes experience addressing coastal humidity and salt-air corrosion on local systems. The company lists financing options for larger repairs. Google reviewers mention punctual arrivals and photo documentation of findings.

Strengths:
  • High Google rating (4.9★ across 855 reviews)
  • Long-established (30+ years in business)
  • Emergency response: 24/7
Reviewers praise:
  • punctuality
  • transparent pricing
  • thorough diagnostics
  • fast appointments
Reviewers flag:
  • Lower Yelp rating than Google (2.8★ vs 4.9★)
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC tune-up & maintenance
  • You need same-day or after-hours service
  • You need to finance the work
  • You prefer a family-owned operation
  • You want a top-rated provider with substantial review history (4.9★, 855 reviews)

Consider alternatives if:

  • Reports of yelp rating would be a deal-breaker for you
  • You want a BBB-rated firm specifically
9C&C Myers Heating, Cooling, Plumbing & Electrical764.8 (3,050+)48+
Capacitor & Electrical Repair

Editorial: AC repair specialist per their site, with explicit AC diagnostics listed. C&C Myers notes emergency service availability. The company reports financing options for larger repairs or installs. C&C Myers has operated from the Charleston area for decades. Their Charleston base suits salt-air HVAC needs near Mount Pleasant.

Strengths:
  • High Google rating (4.8★ across 3051 reviews)
  • Long-established (48+ years in business)
  • Emergency response: 24/7
Reviewers praise:
  • punctuality
  • thorough diagnostics
  • clear communication
  • fast emergency response
Reviewers flag:
  • Lower Yelp rating than Google (2.4★ vs 4.8★)
  • Mixed customer sentiment (score 60/100)
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC capacitor & electrical repair
  • You need AC tune-up & maintenance
  • You need same-day or after-hours service
  • You need to finance the work
  • You prefer a family-owned operation

Consider alternatives if:

  • Reports of rating divergence would be a deal-breaker for you
  • Reports of yelp rating would be a deal-breaker for you
  • You want a BBB-rated firm specifically
10Austin Air LLC764.9 (275+)

Editorial: Austin Air LLC notes Trane dealer status and related parts access. The website lists 24/7 emergency service availability. Austin Air advertises financing options with approved credit. The company says it has installed many systems around Mount Pleasant and Charleston, areas prone to coastal humidity and salt air.

Strengths:
  • High Google rating (4.9★ across 277 reviews)
  • Emergency response: 24/7
  • Financing available
Reviewers praise:
  • knowledgeable technicians
  • on-time arrivals
  • installation quality
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC tune-up & maintenance
  • You need same-day or after-hours service
  • You need to finance the work

Consider alternatives if:

  • You want a BBB-rated firm specifically
11Aptus Home Services, HVAC, Plumbing & Electric735.0 (190+)

Editorial: Aptus lists same-day AC repair and refrigerant leak detection among core capabilities.

Strengths:
  • High Google rating (5.0★ across 193 reviews)
  • Background-verified team
  • Emergency response: same-day
Reviewers praise:
  • same-day response
  • on-time arrivals
  • straightforward pricing
  • timely repairs
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC refrigerant leak repair
  • You need AC tune-up & maintenance
  • You need commercial AC repair
  • You need same-day or after-hours service
  • You need to finance the work

Consider alternatives if:

  • You want a BBB-rated firm specifically
12Pleasant Air Conditioning and Electric685.0 (255+)

Editorial: Same-day emergency response is advertised for Mount Pleasant cooling outages. Pleasant Air states flat-rate pricing with upfront costs. The website lists free estimates for in-person assessments. The company notes Coastal Salt-Away maintenance for seaside corrosion risk. Testimonials mention punctual arrivals and clear explanations of repair options.

Strengths:
  • High Google rating (5.0★ across 256 reviews)
  • Emergency response: same-day
  • Free estimates
Reviewers praise:
  • punctuality
  • explained repair options
  • same-day response
  • flat-rate transparency
Reviewers flag:
  • Lower Yelp rating than Google (3.4★ vs 5.0★)
More: when to choose, when to consider alternatives

Choose them if:

  • You need AC tune-up & maintenance
  • You need same-day or after-hours service

Consider alternatives if:

  • Reports of cross-platform divergence would be a deal-breaker for you
  • You want a BBB-rated firm specifically

Score column blends public-record signals, customer reviews, and editorial assessment. Best for picks reflect our editorial weighting of those same signals against each category. See full methodology →

Typical AC Repair costs in Mount Pleasant, SC (2026)

Last updated

Estimated ranges for Mount Pleasant, SC. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.

ServiceTypical range
AC service call / diagnostic fee$60–$130
Capacitor replacement (installed)$70–$350
Contactor replacement (installed)$85–$305
Refrigerant recharge (R-410A top-up, all-in)$130–$610
Refrigerant leak detection + repair$130–$1,050
Condensate drain line clearing (clog / float-switch trip)$85–$260
AC compressor replacement (installed, out-of-warranty)$695–$2,450
Emergency / after-hours service premium$130–$435

How were Mount Pleasant picks evaluated for reliability and emergency response?

This guide evaluated 12 Mount Pleasant AC repair providers on emergency availability, public review signals, warranty and pricing models, and vendor-declared response promises. Metrics come from aggregated Google reviews, provider disclosures, and licensing checks referenced against state records.

  • Preferred Home Services states same-day emergency response and advertises a satisfaction guarantee, per their public listing.
  • C&C Myers reports 24/7 emergency availability and shows 45+ years in business according to their profile.
  • Call Dad lists flat-rate pricing and free estimates on its site; this pricing model appears separately in the comparison table.
  • Carolina Custom Air notes NATE certification and a Trane Comfort Specialist dealer relation on its pages.
  • Dunes Heating and Air Conditioning and Aptus Home Services state same-day or fast emergency response and list free estimates, per provider disclosures.
  • Aggregate review counts and star averages are based on Google reviews; the pool averages 4.92/5.0 across evaluated reviews.

Evaluation prioritized verifiable emergency promises, transparent pricing signals, review volume and sentiment, plus published certifications and manufacturer-dealer listings; license checks referenced state records for final vetting.

How do I choose a AC Repair Company in Mount Pleasant?

  1. Verify the provider's emergency-response promise and ask for a written window.
  2. Compare Google review scores and recent review sentiment for reliability.
  3. Confirm certifications and manufacturer-dealer status shown on the provider's site.
  4. Request a written estimate and clarify flat-rate or time-and-materials pricing.
  5. Check licensing and complaint history against state records before hiring.

5 AC problems Mount Pleasant homeowners report when humidity and salt air take their toll

Most common AC problems in Mount Pleasant stem from long, humid summers and coastal salt air that corrode coils, clog drains, and overwhelm dehumidification. Homeowners searching for trusted ac repair near mount pleasant often call for urgent coil cleaning, condensate unclogs, and refrigerant checks during peak heat.

  • Corroded outdoor coils. Salt-laden air on Mount Pleasant coastlines accelerates coil corrosion, reducing heat transfer and forcing units to run longer to reach setpoints.
  • Clogged condensate drains and pans. High humidity in Mount Pleasant causes frequent condensate overflow and biological growth that block drains and trigger water leaks or safety shutoffs.
  • Reduced cooling capacity from moisture-loaded evaporator coils. Persistent summer humidity in Mount Pleasant lowers evaporator efficiency and can ice or flood coils, leading to weak airflow and uneven cooling.
  • Premature fan and motor failures. Coastal salt and constant heavy runtime in Mount Pleasant increase bearing wear and electrical corrosion, which often leads to noisy fans or motor burnout.
  • Refrigerant loss and pressure swings. Stress from long, hot Mount Pleasant summers reveals small refrigerant leaks faster, causing pressure imbalances that reduce cooling and require professional leak repair.
If persistent rust, repeated condensate overflow, or odd compressor noises occur, seek professional diagnosis—these are red flags for corrosion-related failure in Mount Pleasant systems.

Mount Pleasant service demand and regulations: what homeowners should expect year‑round

Long, humid summers and constant coastal salt spray drive most Mount Pleasant AC demand because they corrode coils and overload dehumidification. Homeowners checking local ac repair reviews Mount Pleasant SC often prioritize leak detection, frequent coil cleaning, and emergency response during summer heat waves and storm season.

local ac repair reviews mount pleasant sc

Coastal salt air increases corrosion on outdoor condensers and refrigerant lines.

That corrosion reduces heat transfer and shortens component life.

Evaluated providers commonly list leak detection equipment and coil-cleaning programs to address these failure modes.

licensed ac repair contractor mount pleasant SC

Mount Pleasant requires business licensing, bonding, and insurance for contractors.

Homeowners should expect proofs of insurance and bonded licensing before authorizing work.

Look for technicians with NATE certification or Trane Comfort Specialist credentials for complex diagnostics and warranty repairs.

best ac repair companies in mount pleasant sc

High humidity drives frequent condensate clogs and microbial growth in drain pans.

Many evaluated providers offer 24/7 emergency service; many advertise round‑the‑clock availability.

Flat-rate pricing and on‑site leak detection help reduce repeat visits after corrosion-related failures.

Tip: when comparing quotes, request written confirmation of licensing, a clear warranty term, and whether leak detection was performed.

How quickly can an AC Repair pro in Mount Pleasant respond to a humid‑season emergency?

How do I get a quote from these AC repair companies?
Submit one request on this page and we send it to the vetted AC repair pros in Mount Pleasant, SC listed here. They send quotes back — no obligation.
Typical AC repair pricing in Mount Pleasant, SC: what should I budget?
AC service call / diagnostic fee typically runs $60–$130, and capacitor replacement runs $70–$350 in Mount Pleasant, South Carolina. See the AC Repair pricing table on this page for the full per-service breakdown.
How quickly do Mount Pleasant AC technicians typically respond during humid-season emergencies?
Response times vary by provider, but many evaluated companies advertise emergency service availability and prioritize summer heat-wave calls. Response may be slower during widespread storms or peak weekday demand. Ask each provider for a stated response window and whether emergency dispatch incurs an extra fee.
Do Mount Pleasant AC contractors need a city business license and bonding to work here?
Yes. Mount Pleasant requires contractors to hold a business license and maintain bonding as a condition of operation. Homeowners should request proof of a current local business license and a bonding statement before authorizing work.
Is insurance and workers' compensation required for AC repair contractors in Mount Pleasant?
Yes. Contractors operating in Mount Pleasant are expected to carry liability insurance and workers' compensation. Request certificates of insurance and confirm coverage dates to protect against on-site injuries or accidental damage.
How can a homeowner confirm a Mount Pleasant tech is qualified to diagnose and repair refrigerant leaks?
Look for technicians who use electronic leak detectors and EPA Section 608 certification. Ask whether the provider documents leak detection methods, performs a pressure test, and logs refrigerant recovery and recharge per EPA rules.
When is a compressor replacement necessary after salt‑air corrosion in Mount Pleasant?
A compressor may need replacement when it shows repeated electrical failures, metal corrosion that impairs seals, or visible refrigerant loss after repairs. A qualified tech should provide diagnostics that explain why replacement is necessary and whether warranty coverage applies.
What signs indicate capacitor or other electrical component failure in Mount Pleasant homes?
Common signs are intermittent compressor starts, humming noises, and unit failure to power on. Coastal humidity and corrosion raise electrical failure risk. Request a written electrical diagnosis and parts warranty before work begins.
How do technicians decide between coil cleaning and coil replacement in coastal Mount Pleasant systems?
Technicians will inspect coil condition, corrosion level, and fin integrity. If corrosion is superficial, deep coil cleaning and anti-corrosion treatment may suffice. Severe pitting, leaks, or structural damage typically lead to replacement recommendations with documented justification.
When should Mount Pleasant homeowners schedule preventive AC tune-ups to avoid humid-season failures?
Schedule tune-ups before peak summer heat and before the fall storm season. Pre-season maintenance reduces condensate clogs and verifies refrigerant charge. Ask for a checklist that includes coil cleaning, drain clearing, and electrical checks.

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