Sing
North Charleston, SC HVAC · #1 of 7 · 50+ yrs
Overview
Same-day emergency heating response is listed on Sing's site. Sing lists over 50 years serving the Lowcountry. The website highlights Heil heating products and run-tested units. Local winters and Charleston-area humidity create combustion and corrosion risks for furnaces. Reviews note technicians remembering past concerns and providing clear explanations.
Furnace repair and maintenance across the North Charleston and Charleston metro area, residential and commercial. Emergency service with same-day response is advertised. Heil heating products are featured, with units described as 100% run-tested on the site. Over 50 years serving the Lowcountry is stated.
Score breakdown
Above the North Charleston, SC HVAC average of 75/100. Ranks #1 of 7 listed HVAC providers in North Charleston, SC.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. North Charleston average
| Signal | Sing | North Charleston avg | Delta |
|---|---|---|---|
| Vouched Score | 85/100 | 75/100 | +10 vs avg |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 725+ | 1,495+ | -767 vs avg |
| Years in business | 50+ | 25+ | +25 vs avg |
What customers say
Pros
- High Google rating (5.0★ across 725+ reviews)
- Long-established (50+ years in business)
When to choose them
- You need furnace tune-up & maintenance
- You need same-day or after-hours service
- You need to finance the work
Services
- Furnace Repair — Repair of gas and electric furnaces — ignition systems, blower motors, heat exchangers, control boards, and flame sensors.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
- Commercial HVAC — Commercial HVAC service for offices, retail, and light-industrial spaces — rooftop units, package units, and split systems.
Service area
Contact & hours
Frequently asked questions
What are the pros of Sing?
When should I choose Sing?
What is the Vouched Score for Sing?
How long has Sing been in business?
How can I contact Sing?
What does HVAC service typically cost when working with a North Charleston, SC provider like Sing?
Does Sing do Furnace Repair in North Charleston, SC?
Does Sing do Emergency HVAC Service in North Charleston, SC?
Does Sing do Commercial HVAC in North Charleston, SC?
Compare with nearby providers
| Provider | Vouched | Years | Yelp | |
|---|---|---|---|---|
Sing (this company) 🏆 Highest Score · ⭐ Commercial Furnace Repair |
85/100 | 5.0★ (725+) | 50+ | — |
Charleston Heating and Air ⭐ Free Estimates |
68/100 | 4.8★ (440+) | 17+ | 2.9★ |
Morelli Heating & Air Conditioning, Inc. ⭐ Best for Geothermal |
67/100 | 4.7★ (95+) | 45+ | 3.4★ |
LimRic Plumbing, Electrical, Heating & Air ⭐ Ductwork & Sealing · ⭐ Smart Thermostat Install |
83/100 | 4.9★ (6,975+) | — | 3.4★ |
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Profile last updated August 9, 2026.