M&B Heating and Air
Charleston, SC AC Replacement · #5 of 11 · NATE-certified
ⓘVouched Score is calculated from publicly available signals: Google rating & review count, Yelp rating, BBB grade, review sentiment, years in business, local search ranking, and provider website content. Not a guarantee of service quality.Embed this score
At a glance
- Google rating
- 4.9★ from 655+ reviews
- Yelp
- 3.7★ from 3 reviews
- Services
- 2 AC Replacement services
- Service area
- Charleston, SC + 1 nearby
Overview
Editorial review
M&B emphasizes central AC replacement and high-efficiency variable-speed upgrades.
Central AC replacement and installation across Charleston and nearby communities. NATE-certified technicians are listed on the company website. Free estimates and financing are available, per the site. Emergency service available, advertised 24/7.
Vouched Score breakdown — 80/100
Above the Charleston, SC AC Replacement average of 77/100. Ranks #5 of 11 listed AC Replacement providers in Charleston, SC.
Editorial Review
77
46%
Yelp Rating
68
3%
Google Rating
97
17%
Local Search Rank
63
9%
Review Sentiment
88
15%
Google Review Volume
76
9%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
How M&B Heating and Air compares to the Charleston average
| Signal | M&B Heating and Air | Charleston avg | Delta |
|---|---|---|---|
| Vouched Score | 80/100 | 77/100 | +3 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 655+ | 1,495+ | -840 vs avg |
What customers say
Pros & cons
Pros
Verified strengths
- High Google rating (4.9★ across 655+ reviews)
Self-reported on their website — not independently verified.
- NATE-certified technicians
- Emergency response: 24/7
- Financing available
- Free estimates
punctualitytransparent pricingfast emergency response
Cons
- Lower Yelp rating than Google (3.7★ vs 4.9★)
rating divergence
When to choose them — and when to consider alternatives
Choose them if
- You need same-day AC replacement
- 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★, 655+ reviews)
- You want NATE-certified technicians
Consider alternatives if
- Reports of rating divergence would be a deal-breaker for you
- You want a BBB-rated firm specifically
Services
- AC Replacement
- Emergency HVAC Service
Service area
Charleston, SC home · Replacement Charleston, SC home
Guarantees & credentials
- NATE certified
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
What are the pros of M&B Heating and Air?
Based on public records and customer reviews: High Google rating (4.9★ across 655+ reviews); NATE-certified technicians; Emergency response: 24/7; Financing available; Free estimates.
What are the cons of M&B Heating and Air?
Concerns flagged from public records and reviews: Lower Yelp rating than Google (3.7★ vs 4.9★).
When should I choose M&B Heating and Air?
Choose them if: You need same-day AC replacement; 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★, 655+ reviews); You want NATE-certified technicians.
When should I consider alternatives to M&B Heating and Air?
Consider alternatives if: Reports of rating divergence would be a deal-breaker for you; You want a BBB-rated firm specifically.
What is the Vouched Score for M&B Heating and Air?
80/100. Top contributing signals: Google Rating 97/100+ Review Sentiment 88/100, Llm Score 77/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
What does AC replacement service typically cost when working with a Charleston, SC provider like M&B Heating and Air?
Full AC system replacement typically runs $4,800–$11,300, and AC condenser replacement runs $1,050–$3,650 in Charleston, South Carolina. These are area-wide market estimates, not M&B Heating and Air's quotes. For an exact price, request a written estimate from M&B Heating and Air.
What pricing terms does M&B Heating and Air publish on their website?
M&B Heating and Air's website publishes: Free estimates. Promotions and plans change — confirm currently-available terms with M&B Heating and Air before acting.
Does M&B Heating and Air do AC Replacement in Charleston, SC?
Yes. M&B Heating and Air lists AC Replacement among its services and serves Charleston, SC and Replacement Charleston, SC.
Does M&B Heating and Air do Emergency HVAC Service in Charleston, SC?
Yes. M&B Heating and Air lists Emergency HVAC Service among its services and serves Charleston, SC and Replacement Charleston, SC.
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
M&B Heating and Air (this company) |
80/100 | 4.9★ (655+) | — | — | 3.7★ | NATE-Certified Installer |
| 84/100 | 4.9★ (1,305+) | 12+ | — | 3.8★ | Best for Honest Replace-vs-Repair Best for High-Efficiency Upgrades Best for Commercial AC Replacement |
|
| 81/100 | 4.9★ (6,560+) | 92+ | — | 2.9★ | — | |
| 76/100 | 4.9★ (260+) | 33+ | — | 3.5★ | — |
Listed in
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Profile last updated June 27, 2026.