Old Coast Heating & Air Conditioning
Hilton Head Island, SC Furnace Replacement · #5 of 4 · NATE-certified
At a glance
- Google rating
- 5.0★ from 7 reviews
- Services
- 2 Furnace Replacement services
- Service area
- Hilton Head Island, SC + 1 nearby
Overview
Old Coast lists furnace replacement and installation as a primary specialty. The company notes NATE-certified technicians on staff. Old Coast advertises same-day emergency response for Hilton Head Island customers. The website says financing is available for larger heating replacements.
Old Coast Heating & Air Conditioning installs and replaces furnaces serving Hilton Head Island and Savannah. NATE-certified technicians are listed for heating diagnostics and installs. Emergency response is advertised as same-day for urgent heating failures. Financing options are available for larger furnace replacements, per the website.
Vouched Score breakdown — 62/100
Hilton Head Island, SC Furnace Replacement average is 84/100. Ranks #5 of 4 listed Furnace Replacement providers in Hilton Head Island, SC.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
How Old Coast Heating & Air Conditioning compares to the Hilton Head Island average
| Signal | Old Coast Heating & Air Condi… | Hilton Head Island avg | Delta |
|---|---|---|---|
| Vouched Score | 62/100 | 84/100 | -22 vs avg |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 7 | 1,040+ | -1037 vs avg |
What customers say
Pros & cons
Self-reported on their website — not independently verified.
- NATE-certified technicians
- Emergency response: same-day
- Financing available
- Smaller review history (7 Google reviews)
When to choose them — and when to consider alternatives
- You need same-day furnace replacement
- You need same-day or after-hours service
- You need to finance the work
- You want NATE-certified technicians
- You prefer a provider with hundreds of customer reviews
- You want a BBB-rated firm specifically
Services
- Furnace Replacement
- Emergency HVAC Service
Service area
Hilton Head Island, SC home · Replacement Hilton Head Island, 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 Old Coast Heating & Air Conditioning?
What are the cons of Old Coast Heating & Air Conditioning?
When should I choose Old Coast Heating & Air Conditioning?
When should I consider alternatives to Old Coast Heating & Air Conditioning?
What is the Vouched Score for Old Coast Heating & Air Conditioning?
What does furnace replacement service typically cost when working with a Hilton Head Island, SC provider like Old Coast Heating & Air Conditioning?
What pricing terms does Old Coast Heating & Air Conditioning publish on their website?
Does Old Coast Heating & Air Conditioning do Furnace Replacement in Hilton Head Island, SC?
Does Old Coast Heating & Air Conditioning do Emergency HVAC Service in Hilton Head Island, SC?
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Old Coast Heating & Air Conditioning (this company) |
62/100 | 5.0★ (7) | — | — | — | — |
| 88/100 | 4.9★ (1,795+) | 42+ | — | — | Best for Gas Furnace Replacement Best for Commercial Furnace Replacement |
|
| 94/100 | 5.0★ (1,330+) | 45+ | — | 4.6★ | Highest Vouched Score Best for Honest Replace-vs-Repair Best for High-Efficiency (95%+ AFUE) Upgrades |
|
| 84/100 | 4.9★ (920+) | 27+ | — | — | Best Manufacturer-Authorized Installer |
Listed in
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Profile last updated June 30, 2026.