Best Gas Furnace Replacement in Myrtle Beach, SC

What to look for in Gas Furnace Replacement in Myrtle Beach

A gas changeout is permitted, combustion-safety work — not a like-for-like swap a handyman can do. We weight installers who pull the permit, size with an ACCA Manual J load calc, and commission the combustion with instruments over those quoting a tonnage rounded off the old unit.

  • Combustion-safe install method. Provider names measured combustion (CO, draft, gas pressure) at commissioning and correct venting — the safety core of a gas changeout.
  • Manufacturer authorization. Factory-authorized status preserves the furnace warranty and reflects factory training on the equipment.
  • Manual J sizing. An ACCA Manual J load calculation right-sizes the furnace instead of copying the old (often oversized) equipment.

Verify before you book

  • Whether a permit was actually pulled and the install inspected — confirm both before final payment.
  • Whether combustion was measured at commissioning — ask to see the CO / draft / gas-pressure readings.
  • License status with your state board — verify TDLR (TX), ROC (AZ), DBPR (FL), or your local equivalent before paying.

See full ranking methodology for Gas Furnace Replacement →

Gas Furnace Replacement in Myrtle Beach: licensing + combustion

A gas changeout is judged on the permit and inspection, an ACCA Manual J load calc, and measured combustion at commissioning — not a tonnage rounded off the old unit. Here is what each of the 2 installers below publishes: Verify your state's HVAC contractor license through the state licensing board before paying a deposit.

How we rank Gas Furnace Replacement providers → · Top picks meet at least one of: a category award, ≥2 verified signals, or Vouched Score ≥ 70.

Top picks

  • ARS / Rescue Rooter

    ARS / Rescue Rooter★ Best for Gas Furnace Replacement

    Consistently strong customer feedback (4.7★ from 6,390+ Google reviews; 1.8★ from 90+ Yelp reviews).

    Google 4.7★ (6,390+)Yelp 1.8★ (90+)

  • Consistently strong customer feedback (4.7★ from 615+ Google reviews; 3.2★ from 25+ Yelp reviews).

    Google 4.7★ (615+)Yelp 3.2★ (25+)

Typical Gas Furnace Replacement costs in Myrtle Beach, SC (2026)

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Estimated ranges for Myrtle Beach, SC. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.

ServiceTypical range
Full gas furnace replacement (80% AFUE, installed)$2,300–$5,000
Gas line / electrical / permit modification (changeout)$115–$690
Condensing-furnace venting + condensate conversion (80%->95% AFUE)$460–$1,400

Why Myrtle Beach homeowners replace furnaces sooner than they expect

Salt-air corrosion and humid, mild winters in Myrtle Beach, SC shorten furnace lifespans by stressing components and promoting rust. Homeowners often search for the best plumbing services in Myrtle Beach, SC after midseason failures. Scheduling can be slower in shoulder seasons, so plan ahead for parts and installers.

How long does a typical Furnace Replacement take in Myrtle Beach, and what affects that timeline?

Does a gas furnace changeout need a permit?
Almost always. Unlike a repair, replacing a gas furnace is permitted work in our launch states — the installer pulls a mechanical (and often gas) permit and a building inspector signs off the venting, gas connection, and combustion safety before the system goes into service. A quote that skips the permit to save money is skipping the inspection that protects you.
Can a handyman replace my gas furnace?
No. Connecting gas and venting combustion is licensed mechanical work, and an unlicensed 'handyman furnace install' is the single biggest red flag. Verify the contractor's state license (TDLR in TX, DBPR in FL, ROC in AZ) plus general liability insurance, and confirm they measure combustion (CO, draft, gas pressure) at commissioning rather than just lighting it and leaving.
Do Myrtle Beach furnace contractors need a business license and bonding to perform replacements?
Yes. Myrtle Beach requires a business license and bonding for contractors doing furnace replacements. Proof of insurance and workers' compensation is also required. Homeowners should request license or bond numbers and verify them before scheduling to confirm compliance.
Do furnace replacement jobs in Myrtle Beach commonly require additional permits or inspections?
Permit requirements vary by job scope; simple like-for-like swaps may need fewer inspections than relocations or major venting changes. Homeowners should confirm with the contractor which permits the company will obtain and whether final inspections are included in the scope.
How do I find a contractor experienced with high-efficiency furnace installations in Myrtle Beach?
Look for contractors who list manufacturer-dealer status, installation training, or Proper-Install Tooling in their credentials. Request past job references for high-efficiency installs and ask if installers perform combustion testing and documented efficiency verification after installation.
How do I get a quote from these furnace replacement companies?
Submit one request on this page and we send it to the vetted furnace replacement pros in Myrtle Beach, SC listed here. They send quotes back — no obligation.

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