Cottage Grove homeowners replacing a furnace in 2026 typically pay $2,800–$5,100 for a complete gas furnace installation. Cottage Grove is a fast-growing southeast-metro suburb in Washington County, with a housing mix ranging from 1970s ramblers in the established west side to newer 2000s–2020s developments in the expanding east. Furnace Direct serves Washington County with next-day installation, offering factory-direct Goodman pricing that saves homeowners $400–$900 compared to traditional HVAC contractors.
Cottage Grove Housing and Furnace Sizing
- West Cottage Grove (1970s–80s, 1,000–1,700 sq ft): 60,000–80,000 BTU furnaces, $2,600–$3,600 installed
- Central areas (1990s–2000s, 1,700–2,400 sq ft): 80,000–100,000 BTU, $3,100–$4,200 installed
- East Cottage Grove new builds (2,000–3,200 sq ft): 100,000–120,000 BTU, $3,500–$5,100 installed
2026 Cottage Grove Furnace Cost Table
| Furnace Type | Equipment | Installed Total |
|---|---|---|
| 80% AFUE, 80,000 BTU | $750–$1,100 | $2,600–$3,400 |
| 96% AFUE, 80,000 BTU | $1,100–$1,500 | $3,000–$3,900 |
| 96% AFUE, 100,000 BTU | $1,300–$1,700 | $3,300–$4,300 |
| 96% AFUE, 120,000 BTU | $1,500–$2,000 | $3,700–$5,100 |
| Variable-speed two-stage | $1,800–$2,500 | $4,200–$5,800 |
Washington County Permit Requirements
Cottage Grove and Washington County require a mechanical permit for all furnace replacements. Furnace Direct files permits and coordinates all required inspections on every job — homeowners don't have to navigate the permit office themselves.
Buy the same name-brand furnace the pros install — shipped factory-direct to your door. No middleman, 5-star rated, and financing available.
Rebates Available in Cottage Grove
Cottage Grove is served by CenterPoint Energy for natural gas. Incentives include:
- CenterPoint Energy: Up to $200 rebate for 96%+ AFUE furnaces
- Federal Tax Credit: 30% credit (up to $600) on qualifying high-efficiency equipment under the Inflation Reduction Act (The federal 25C credit expired for equipment placed in service after December 31, 2025, so it does not apply to a 2026 installation.)
Furnace Direct's Washington County Coverage
Furnace Direct regularly serves Cottage Grove and the surrounding Washington County market. Our factory-direct pricing means you skip the 40–60% retail markup traditional HVAC companies charge, getting the same Goodman equipment for $400–$900 less per installation.
How much does furnace replacement cost in Cottage Grove MN?
Furnace replacement in Cottage Grove typically costs $2,800–$5,100 installed. Older west-side homes tend toward the lower end; newer larger east-side builds run higher.
Does Furnace Direct serve Cottage Grove?
Permit filing and inspection coordination are included with every job.
What rebates can Cottage Grove homeowners get?
CenterPoint Energy offers up to $200 for 96%+ AFUE units. The federal 30% tax credit adds up to $600 more. Furnace Direct provides all rebate documentation at installation. (The federal 25C credit expired for equipment placed in service after December 31, 2025, so it does not apply to a 2026 installation.)
What size furnace does a Cottage Grove home need?
Most Cottage Grove homes need 80,000–120,000 BTU depending on size and build era. Furnace Direct provides free load calculations before every sale to ensure correct sizing.
Get your furnace replaced.
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