Best HVAC Companies in Charleston, SC

Homeowners across Charleston lean on experienced HVAC professionals to keep their properties in shape. Labor rates, property age, and permit requirements in South Carolina all shape decisions about HVAC work here. Confirm that any company you shortlist actually serves your part of Charleston and handles projects like yours. Below you will find rated providers serving Charleston, South Carolina, ready to talk through HVAC work for your home.

Know the Charleston, SC HVAC market

Charleston, SC population for the HVAC market

155,369

#1 among the listed South Carolina cities

Charleston, SC county context for HVAC

Charleston County

Some city boundaries can cross county lines.

What HVAC labor costs near Charleston, SC

$58,410/yr

This figure is the Charleston-North Charleston, SC metro-area median for Heating, Air Conditioning, and Refrigeration Mechanics and Installers, 4% below the national median. Labor drives most of a HVAC quote, so it's a useful benchmark for what Charleston providers charge.

HVAC permits and licensing in Charleston, SC

Before any work begins, check permit requirements with the Charleston County or Charleston building department; Charleston projects are permitted locally. Contractor licensing is handled at the state level by the South Carolina LLR — Contractor's Licensing Board, where you can verify a company's license.

Verify with South Carolina LLR — Contractor's Licensing Board

Sources: U.S. Census Bureau, Vintage 2023 Population Estimates (POPESTIMATE2023); U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), 2025. Population and wage figures are reference data, not project-price estimates.

HVAC Companies to Consider in Charleston, SC

Below are highly rated HVAC companies serving Charleston that can help with HVAC work. Compare providers, request quotes, and find the right fit for your project.

Company	Phone
US 911 HVAC VerifiedFeatured Owned service network · project-intake line for this city	(213) 771-9825

Discuss your hvac project

Call to ask about service scope, scheduling, and availability for Charleston, South Carolina.

Call (213) 771-9825

Search indexing is withheld until meaningful local evidence is available.

Common HVAC Questions From Charleston, SC Homeowners

What warranty should I expect on HVAC work in Charleston?

Expect two layers: a manufacturer warranty on materials and a workmanship warranty from the company itself. Get both in writing from any Charleston provider, including what is covered, for how long, and who to call.

Should I hire a local Charleston company or a larger regional one?

Both can work well. Local Charleston companies tend to know the housing stock, inspectors, and permit process; regional firms may offer more scheduling capacity. Judge each on reviews, licensing, and the clarity of the written quote rather than size alone.

What should I budget for HVAC work in Charleston?

There is no single Charleston price - project size, material choices, and access all move the number. Local South Carolina labor costs set the floor, which is why written quotes from several nearby providers beat any online estimate.

Are HVAC contractors in Charleston licensed and insured?

Contractor licensing in South Carolina runs through the South Carolina LLR — Contractor's Licensing Board, where you can verify any company's license before hiring. Also confirm liability insurance and ask for proof - reputable Charleston companies provide it without hesitation.

Best HVAC Companies: Charleston, South Carolina Guide