M&B Heating and Air
Charleston, SC HVAC · #5 of 10 · NATE-certified
At a glance
- Google rating
- 4.9★ from 655+ reviews
- Yelp
- 3.7★ from 3 reviews
- Services
- 5 HVAC services
- Service area
- Charleston, SC
Overview
M&B leads with heavy-volume residential AC repair and replacements in Charleston. The company states its technicians are NATE certified. M&B says they provide 24/7 emergency response for no-heat or no-cool calls. The company notes free estimates and financing options are available. Local homeowners benefit from experience handling Charleston's coastal humidity and high cooling demand.
Provides residential AC repair and full HVAC installation across Charleston and nearby towns. NATE-certified technicians are listed on the site for diagnostics and repairs. Emergency response is stated as 24/7, with same-day service advertised. Free estimates and financing options are available for system replacements and major repairs.
Vouched Score breakdown — 82/100
Above the Charleston, SC HVAC average of 80/100. Ranks #5 of 10 listed HVAC providers in Charleston, SC.
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 | 82/100 | 80/100 | +2 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 655+ | 1,340+ | -685 vs avg |
What customers say
Pros & cons
- 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
- Indoor air quality services
- Specializes in AC repair
- Lower Yelp rating than Google (3.7★ vs 4.9★)
When to choose them — and when to consider alternatives
- You need AC repair
- You need indoor air quality work
- You need AC system replacement
- You want a top-rated provider with substantial review history (4.9★, 655+ reviews)
- Reports of rating divergence would be a deal-breaker for you
- You want a BBB-rated firm specifically
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
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?
What are the cons of M&B Heating and Air?
When should I choose M&B Heating and Air?
When should I consider alternatives to M&B Heating and Air?
What is the Vouched Score for M&B Heating and Air?
What does HVAC service typically cost when working with a Charleston, SC provider like M&B Heating and Air?
What pricing terms does M&B Heating and Air publish on their website?
Does M&B Heating and Air do AC Repair in Charleston, SC?
Does M&B Heating and Air do AC Replacement in Charleston, SC?
Does M&B Heating and Air do HVAC Installation in Charleston, SC?
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
M&B Heating and Air (this company) |
82/100 | 4.9★ (655+) | — | — | 3.7★ | Geothermal |
| 86/100 | 4.9★ (1,305+) | 12+ | — | 3.8★ | Best for Rebates & Tax Credits Best NATE-Certified Team |
|
| 88/100 | 4.9★ (6,560+) | 92+ | — | 2.9★ | Best for Ductwork & Sealing | |
| 75/100 | 4.9★ (260+) | 33+ | — | 3.5★ | — |
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Profile last updated June 26, 2026.