12 Best Emergency AC Repair Companies in Mount Pleasant. in Mount Pleasant, SC

Why Mount Pleasant, South Carolina homes demand fast "Emergency AC Repair"

Hot, humid Lowcountry summers in Mount Pleasant push home cooling systems into prolonged heavy use, risking breakdowns during peak July–August demand. Searches for best emergency ac repair companies in mount pleasant south carolina spike when outdoor heat indexes exceed high levels and indoor temperatures rise fast.

Quick Picks

Vouched Score: 88
Best for 24/7 Live DispatchHERO Heating and Air
24/7 response
No Overtime or Holiday SurchargeHERO Heating and Air
no overtime nights/weekends
Best for Weekend & Holiday ServiceAcute Heating & Cooling
weekend & holiday service, no overtime
Best for No-Cooling EmergenciesPleasant Air Conditioning and Electric
same-day no-cool triage
Best for Commercial EmergenciesLimRic Plumbing, Electrical, Heating & Air
Commercial / rooftop-unit AC
Best NATE-Certified ShopCarolina Custom Air
NATE certified

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

Compare top Emergency AC Repair providers in Mount Pleasant

#ProviderScoreGoogleYearsBest for
1LimRic Plumbing, Electrical, Heating & Air884.9 (6,975+)
★ Highest Vouched ScoreCommercial Emergencies

Editorial: Air purification and media-filtration work are featured prominently on LimRic's site. LimRic lists ERV/HRV ventilation among IAQ services. LimRic advertises financing options for larger IAQ projects. LimRic reports same-day and emergency response for HVAC and IAQ issues. LimRic operates across the Charleston Lowcountry, where humidity and coastal salt air affect indoor moisture control.

Strengths:
  • High Google rating (4.9★ across 6978 reviews)
  • Emergency response: 24/7
  • Financing available
Reviewers flag:
  • Lower Yelp rating than Google (3.4★ vs 4.9★)
When to choose them
  • You need to finance the work
  • You want a top-rated provider with substantial review history (4.9★, 6,978 reviews)
2Fix-it 24/7 Air Conditioning, Plumbing & Heating834.9 (2,130+)

Editorial: Fix-it 24/7 states same-day response windows and a staffed dispatch center. The company notes over 25+ years serving Charleston homeowners. Fix-it 24/7 advertises financing options for larger repairs and replacements. Review excerpts praise responsive dispatch and fast first-visit repairs after night calls. The local climate's humid summers increase urgent cooling demand in Charleston, WV.

Strengths:
  • High Google rating (4.9★ across 2184 reviews)
  • Long-established (25+ years in business)
  • Emergency response: 24/7
Reviewers praise:
  • responsive dispatch
  • quick response
  • knowledgeable technicians
  • transparent pricing
When to choose them
  • You need AC not cooling — emergency
  • You need same-day AC repair
  • You need after-hours AC repair
  • You need same-day or after-hours service
  • You need to finance the work
3Carolina Custom Air834.9 (1,275+)19+
NATE-Certified Shop

Editorial: Carolina Custom Air advertises 24/7 emergency response for no-heat calls. The company notes NATE-certified technicians on staff. The firm is a Trane Comfort Specialist dealer since its founding. Mount Pleasant faces occasional cold snaps; local crews stock common heating parts. Reviewers report many same-day repair outcomes on no-heat jobs.

Strengths:
  • High Google rating (4.9★ across 1280 reviews)
  • Long-established (19+ years in business)
  • Authorized Trane Comfort Specialist Dealer
Reviewers praise:
  • same-day repairs
  • knowledgeable technicians
  • clear estimates
  • quick emergency response
When to choose them
  • You need no-heat / emergency furnace repair
  • You need furnace tune-up & maintenance
  • You need same-day or after-hours service
  • You want manufacturer-warranty installation work
  • You need to finance the work
4Call Dad824.9 (1,020+)

Editorial: Same-day service is listed alongside 24/7 emergency availability. Call Dad says they provide weekend and holiday coverage. The company notes a one-year parts and service warranty. Call Dad advertises flat-rate pricing and financing options. Mount Pleasant summers create urgent cooling needs during heat waves here.

Strengths:
  • High Google rating (4.9★ across 1023 reviews)
  • Emergency response: 24/7
  • Financing available
Reviewers praise:
  • fast emergency response
  • knowledgeable technicians
  • thorough diagnostics
  • punctuality
When to choose them
  • You need same-day AC repair
  • You need after-hours AC repair
  • You need commercial emergency AC repair
  • You need same-day or after-hours service
  • You need to finance the work
5Dunes Heating and Air Conditioning815.0 (720+)28+

Editorial: Dunes Heating and Air Conditioning states same-day response for urgent AC calls. The company notes flat-rate pricing and upfront estimates. Dunes lists same-day service and routine emergency availability on its site. The team reports 25+ years serving the Charleston coastal climate. Local reviews praise fast arrivals and clear, walk-through explanations.

Strengths:
  • High Google rating (5.0★ across 723 reviews)
  • Long-established (28+ years in business)
  • Emergency response: same-day
Reviewers praise:
  • punctuality
  • fast diagnosis
  • clear explanations
  • clean job sites
When to choose them
  • You need same-day AC repair
  • 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)
6Holy City Heating & Air, LLC804.9 (1,050+)

Editorial: Holy City advertises 24/7 emergency AC response and same-day service. Founded 2015, Holy City lists 10+ years serving the Lowcountry. Charleston's humid summers increase emergency calls, and rapid cooling restoration matters locally. A 12-year labor warranty is listed on equipment and repairs. Goodleap financing is noted for larger repairs or replacements.

Strengths:
  • High Google rating (4.9★ across 1051 reviews)
  • Long-established (10+ years in business)
  • Emergency response: 24/7
Reviewers praise:
  • punctuality
  • thorough diagnostics
  • maintenance plans
  • knowledgeable technicians
When to choose them
  • You need same-day AC repair
  • You need commercial emergency AC repair
  • You need same-day or after-hours service
  • You need to finance the work
  • You have a commercial property
7C&C Myers Heating, Cooling, Plumbing & Electrical784.8 (3,050+)48+

Editorial: Same-day AC service and 24/7 emergency dispatch are listed on their site.

Strengths:
  • High Google rating (4.8★ across 3051 reviews)
  • Long-established (48+ years in business)
  • Emergency response: 24/7
Reviewers praise:
  • quick response
  • thorough diagnostics
  • clear pricing
  • knowledgeable technicians
Reviewers flag:
  • Lower Yelp rating than Google (2.4★ vs 4.8★)
  • Mixed customer sentiment (score 68/100)
When to choose them
  • You need same-day AC repair
  • You need same-day or after-hours service
  • You need to finance the work
  • You want a top-rated provider with substantial review history (4.8★, 3,051 reviews)
  • You value a long-tenured local operator (48+ years in business)
8HERO Heating and Air784.9 (855+)30+
24/7 Live DispatchNo Overtime or Holiday Surcharge

Editorial: Hero Heating and Air states they provide same-day service alongside 24/7 emergency response.

Strengths:
  • High Google rating (4.9★ across 855 reviews)
  • Long-established (30+ years in business)
  • Emergency response: 24/7
Reviewers praise:
  • punctuality
  • transparent pricing
  • documented findings
  • fast appointments
Reviewers flag:
  • Lower Yelp rating than Google (2.8★ vs 4.9★)
When to choose them
  • You need same-day AC repair
  • You need after-hours AC repair
  • You need 24/7 emergency AC repair
  • You need same-day or after-hours service
  • You need to finance the work
9TemperaturePro Charleston764.9 (385+)

Editorial: TemperaturePro Charleston advertises same-day emergency response for AC breakdowns. The company notes NATE-certified technicians and background-checked staff. TemperaturePro lists free estimates and financing options on its site. Mount Pleasant's coastal humidity increases AC strain, and the team serves the Charleston metro and surrounding towns.

Strengths:
  • High Google rating (4.9★ across 385 reviews)
  • NATE-certified technicians
  • Background-verified team
Reviewers praise:
  • same-day response
  • transparent pricing
  • prompt arrivals
  • friendly technicians
When to choose them
  • You need same-day AC repair
  • You need after-hours AC repair
  • You need same-day or after-hours service
  • You need to finance the work
  • You want NATE-certified technicians
10Pleasant Air Conditioning and Electric745.0 (255+)
No-Cooling Emergencies

Editorial: Pleasant Air Conditioning and Electric advertises same-day response for Mount Pleasant customers.

Strengths:
  • High Google rating (5.0★ across 256 reviews)
  • Emergency response: same-day
  • Free estimates
Reviewers praise:
  • punctuality
  • transparent pricing
  • thorough diagnostics
  • coastal maintenance
Reviewers flag:
  • Lower Yelp rating than Google (3.4★ vs 5.0★)
When to choose them
  • You need same-day AC repair
  • You need AC not cooling — emergency
  • You need same-day or after-hours service
11Aptus Home Services, HVAC, Plumbing & Electric745.0 (190+)

Editorial: Aptus advertises focused furnace replacement work with documented Manual J load calculations. The company lists same-day emergency furnace changeouts for urgent heating failures. Aptus notes technicians are background-checked and licensed per their site. Mount Pleasant's coastal humidity and salt air increase vent corrosion risks for furnace vents.

Strengths:
  • High Google rating (5.0★ across 193 reviews)
  • Background-verified team
  • Emergency response: same-day
Reviewers praise:
  • punctuality
  • fast emergency response
  • transparent pricing
  • clean job sites
When to choose them
  • You need same-day furnace replacement
  • You need same-day or after-hours service
  • You need to finance the work
12Acute Heating & Cooling694.9 (360+)10+
Weekend & Holiday Service

Editorial: Acute Heating & Cooling lists ducted air-source heat pump installations. Acute reports 10+ years serving the Lowcountry. Acute advertises flat-rate pricing, free estimates, and financing options. Acute notes emergency response available 24/7 and same-day service. Acute's reviewers praise punctuality and clear communication.

Strengths:
  • High Google rating (4.9★ across 363 reviews)
  • Long-established (10+ years in business)
  • Emergency response: 24/7
Reviewers praise:
  • punctuality
  • clear communication
  • clean job sites
  • fair pricing
Reviewers flag:
  • Lower Yelp rating than Google (3.2★ vs 4.9★)
When to choose them
  • You need same-day or after-hours service
  • You need to finance the work
  • You prefer a family-owned operation

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 Emergency 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
After-hours / weekend emergency service call$130–$260
Holiday emergency service call$195–$435
Emergency diagnostic fee (after-hours)$65–$175
After-hours labor (per hour — 1.5× to 3× standard)$100–$260
Capacitor or contactor replacement (after-hours)$175–$520
Refrigerant recharge — R-410A (after-hours, all-in)$220–$785
Compressor failure diagnostic + refrigerant recovery$350–$870
Standard business-hours service call (daytime comparison)$60–$130

How were these Mount Pleasant picks evaluated on response speed, licensing, and guarantees?

This guide evaluated 12 Mount Pleasant emergency AC repair providers on response speed, licensing signals, and advertised guarantees. Priority signals were verified Google review counts, stated emergency response hours, and listed warranty or pricing terms. Google Maps data and provider-stated details formed the primary evidence base.

  • LimRic shows a 4.9/5.0 Google rating with 6,975+ reviews, according to Google Maps data.
  • Holy City Heating & Air advertises a 12-year labor warranty and states 24/7 emergency response.
  • Carolina Custom Air lists NATE certification and Trane Comfort Specialist dealer status on its materials.
  • Call Dad and Dunes list flat-rate pricing and free estimates, per providers' published service notes.
  • HERO Heating and Air states it operates stocked trucks and charges no overtime for emergency calls.

Compare Google Maps review data and per BBB records alongside each provider's advertised guarantees before hiring.

How do I choose an Emergency AC Repair Company in Mount Pleasant?

  1. Verify licensing and certifications with the state board or TDLR records.
  2. Compare emergency response hours and documented response times.
  3. Confirm warranty terms and whether they are advertised or backed in writing.
  4. Request a free estimate and compare flat-rate versus time-and-materials pricing.
  5. Check recent Google reviews for service consistency and complaint patterns.

Which AC failures Mount Pleasant homeowners report most during summer humidity spikes

Most common AC problems in Mount Pleasant occur when prolonged July–August humidity and heat push systems into continuous operation, which accelerates component wear and encourages moisture‑related blockages and microbial growth inside condensate lines and ductwork.

  • Compressor burnout. Continuous high run-times during Mount Pleasant’s humid summers overload compressors, causing premature failure or motor burnout within weeks of peak demand.
  • Clogged condensate drains. Warm, humid Lowcountry air promotes algae and biofilm in condensate lines in Mount Pleasant, leading to backups and secondary water damage.
  • Reduced cooling from refrigerant loss. Coastal humidity and constant cycling make small refrigerant leaks more noticeable in Mount Pleasant, producing weak airflow and rising indoor temperatures.
  • Mold and mildew in ductwork and coils. Persistent high humidity in Mount Pleasant overwhelms dehumidification, causing mold growth on evaporator coils and inside ducts that reduces air quality.
  • Capacitor and fan motor failures. Extended high-load operation during Mount Pleasant heat waves stresses capacitors and blower motors, causing sudden fan stoppage and loss of cooling.
If indoor humidity remains high after a repair in Mount Pleasant, ask technicians to inspect condensate paths and run diagnostics on system sizing and refrigerant charge.

Where Mount Pleasant, South Carolina demand peaks and what local rules mean for emergency fixes

High summer heat and persistent coastal humidity in Mount Pleasant, South Carolina drive frequent emergency AC failures. Continuous load and moisture accelerate compressor wear and condensate clogs, increasing calls for rapid diagnostics, refrigerant checks, and same‑day repair availability from local emergency AC technicians.

Mount Pleasant’s long, humid summers push many residential systems into near‑continuous operation. This increases mechanical stress and reduces time for normal cooling cycles.

Humidity promotes condensate-line biofilm and coil moisture accumulation that causes blockages and indoor‑air quality complaints. That condition often requires focused condensate diagnostics and coil cleaning during emergency visits.

Evaluated providers in Mount Pleasant commonly advertise emergency service availability and technical certifications. Many of the shortlisted companies offer emergency service, and several list NATE certification or Trane Comfort Specialist credentials for advanced diagnostics.

Flat‑rate pricing models appear across the shortlist and help homeowners compare emergency costs quickly. Several providers note flat‑rate pricing, which simplifies decisions during after‑hours failures.

When contacting a technician, ask about after‑hours response time and whether NATE‑certified technicians perform refrigerant leak detection and compressor diagnostics.

To compare response promises and estimate costs, request a free quote or request a free quote from evaluated providers before a peak‑season breakdown.

What Mount Pleasant, South Carolina homeowners most want to know about "Emergency AC Repair"

How do I get a quote from these emergency AC repair companies?
Submit one request on this page and we send it to the vetted emergency AC repair pros in Mount Pleasant, SC listed here. They send quotes back — no obligation.
Typical emergency AC repair pricing in Mount Pleasant, SC: what should I budget?
After-hours / weekend emergency service call typically runs $130–$260, and holiday emergency service call runs $195–$435 in Mount Pleasant, South Carolina. See the Emergency AC Repair pricing table on this page for the full per-service breakdown.
Do Mount Pleasant emergency AC contractors need a city business license and bonding?
Yes. Mount Pleasant requires contractors to carry a business license and bonding for local work. Confirm a company shows a current Mount Pleasant business license and bond number before scheduling emergency repairs. Request license documentation and verify it with town records when in doubt.
Is insurance and workers' compensation required for emergency AC technicians in Mount Pleasant?
Yes. Mount Pleasant requires insurance and workers' compensation for contractors performing residential work. Ask for proof of liability insurance and a workers' compensation policy to limit homeowner exposure if an on‑site injury or property damage occurs.
When is Mount Pleasant's busiest season for emergency AC calls?
Peak demand runs during July and August when high heat and humidity stress systems. Expect longer response times then, so schedule preventive checks before July or secure a provider that advertises same‑day or emergency availability for peak months.
How soon can I expect an emergency AC technician to arrive after an after‑hours call in Mount Pleasant?
Response varies by provider but many evaluated companies advertise emergency service availability and same‑day options. Ask each company for their after‑hours response window and whether a dispatcher confirms arrival time before dispatching a technician.
How do I find a licensed emergency AC repair contractor in Mount Pleasant?
Look for a Mount Pleasant business license, proof of insurance, and bonding, plus technician certifications such as NATE. Read recent Google reviews and verify advertised warranties or satisfaction guarantees before hiring for an emergency visit.
My AC is blowing warm air during a heat wave — what should I do before the technician arrives?
First, turn the thermostat fan to ON to circulate air and check the outdoor unit for debris or ice. Clear a safe perimeter and note any unusual noises. These observations help technicians diagnose refrigerant leaks, compressor failures, or electrical faults faster on arrival.
Do Mount Pleasant emergency AC companies commonly offer weekend and holiday service?
Many local firms advertise weekend and holiday emergency service, but offerings vary. Confirm holiday coverage when booking and ask about overtime rates, expected arrival windows, and whether a written service call summary is provided after repair.
What documentation should a homeowner get after an emergency AC repair in Mount Pleasant?
Get a written invoice listing parts, labor, and any advertised warranty terms (warranty duration if stated). Keep technician contact details, the company business license number, and any refrigerant handling documentation for warranty or permit follow‑up.

Last updated: