Gas furnaces · Free written estimate
Furnace Installation in Cumming, GAGas heat, installed to code.
Short answerA new gas furnace installed in Cumming typically costs $4,500 to $11,500, depending on efficiency (80%, 90% or 96% AFUE), size and venting. We handle the gas connection, venting, drain, electrical, permit and startup, and register the 10-year parts warranty for you.
Furnace install facts
- Installed price
- $4,500 – $11,500
- Efficiency
- 80% · 90% · 96% AFUE
- Install time
- 1 to 2 days
- Permit
- Included
- Warranty
- 10 yr parts · 1 yr labor
- Financing
- 0% APR options
When you need furnace installation
New homes and additions
A new furnace for a basement, addition or new build, sized for that space.
Electric heat to gas
Homes with gas service moving off electric strip or baseboard heat.
Dual fuel
Adding a gas furnace behind a heat pump so it takes over in hard freezes.
Replacing a furnace that already exists? See furnace replacement for Good, Better and Best options.
AFUE in plain terms
| Efficiency | What it means |
|---|---|
| 80% AFUE | Vents through a metal flue. Lowest upfront price; common in attics. |
| 90% – 95% AFUE | Condensing furnace with PVC venting and a condensate drain. |
| 96% AFUE and up | The most efficient; often two-stage or variable-capacity with a variable-speed fan. |
What is included
- Load calculationWe size the furnace from the house, not a rule of thumb.
- Gas connectionConnected and leak-tested; new gas line work quoted separately if needed.
- Venting and drainMetal flue or PVC venting to code, condensate drain on 90%+ furnaces.
- Electrical and thermostatWiring, switch and thermostat set up.
- Permit and inspectionWe pull the permit and handle the county inspection.
- StartupGas pressure, temperature rise and combustion analysis recorded.
- Warranty registration10-year parts warranty registered, plus 1 year of labor.
How it works
- Home visitWe check the space, gas service, venting path and ducts.
- Estimate on your phoneOptions side by side with prices and monthly payments.
- Approve onlinePick an option and sign when ready.
- InstallPermit, install and startup, usually in one to two days.
Questions we hear
How much does furnace installation cost in Cumming?
Most gas furnace installations run $4,500 to $11,500, depending on efficiency, size and venting. New gas line or duct work is listed separately when needed.
Furnace or heat pump for a new install?
Both work well in North Georgia. A gas furnace gives strong heat and pairs with a separate AC; a heat pump heats and cools in one system. We can quote both.
How long does it take?
Usually one to two days. Jobs that need new gas line or duct work can take longer, and we tell you that on the estimate.
Do you pull permits?
Yes. We pull the permit and handle the county inspection.
Do you offer financing?
Yes. Financing with 0% APR plans is available, subject to credit approval. Each option on your estimate shows the monthly payment next to the pay-in-full price.
What warranty comes with a new system?
The manufacturer's 10-year limited parts warranty, which we register for you, plus our 1-year labor warranty.
Prices and details reviewed November 2026.
Adding gas heat?
Free written estimate, permit included, 0% APR financing options.