A new furnace for a mobile home costs between $1,200 and $3,700 when you include installation. The price of the furnace itself ranges from $900 to $2,500, and this variation in cost depends on several factors, including whether the furnace is electric or gas-powered.
The total cost to replace a mobile home furnace is influenced by a variety of elements. Firstly, the size of the system is crucial; larger systems that heat bigger spaces tend to be more expensive. Additionally, the features of the furnace can affect the price—models with advanced capabilities like variable speed blowers, zoned heating, or enhanced air filtration systems typically come at a higher cost.
The type of fuel the furnace uses also impacts the overall cost. Electric furnaces generally have a lower upfront cost compared to gas furnaces, but might result in higher operational costs due to electricity prices. Gas furnaces, while initially more expensive, can be more cost-effective to run in the long term.
The cost to replace a mobile home furnace ranges from $1,200 to $3,700, including installation. Furnace unit prices range from $900 to $2,500, depending on size, fuel type, and features. Electric furnaces are cheaper upfront, while gas furnaces cost more but are cheaper to run long-term.
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Cost by Home Size
For homes 500 to 1,000 square feet:
- Furnace size: Up to 45,000 BTU
- Unit price: $900 – $1,500
- Installed cost: $1,200 – $2,700
For homes 1,000 to 1,500 square feet:
- Furnace size: 45,000 – 70,000 BTU
- Unit price: $1,200 – $1,500
- Installed cost: $1,500 – $2,800
For homes 1,500 to 2,000 square feet:
- Furnace size: 80,000 – 90,000 BTU
- Unit price: $1,500 – $2,500
- Installed cost: $1,800 – $3,700
To size a mobile home furnace, estimate 25 to 30 BTUs per square foot in warm climates and 45 BTUs per square foot in colder climates.

Cost by Furnace Type
Furnaces for mobile homes cost between $1,200 and $3,700 installed, depending on whether they are electric, gas, or oil. These furnaces are specially designed for mobile homes, with reduced heat output and downflow vents.
Cost by Type
Electric furnace:
- Unit price: $900 – $1,300
- Installed cost: $1,200 – $2,500
Gas furnace:
- Unit price: $1,400 – $2,500
- Installed cost: $1,700 – $3,700
Oil furnace:
- Unit price: $1,500 – $2,000
- Installed cost: $1,800 – $3,200
For homes needing both heating and cooling, a complete mobile home HVAC system costs $4,000 to $9,000.
Electric Furnace Prices
Electric furnaces cost $900 to $1,300, depending on the size. These furnaces use electric coils to generate heat with 100% efficiency, but have high monthly running costs. They are best used as a secondary heat source in colder climates.
Electric Furnace Prices by Size
- 10kW: $900 – $1,100
- 12kW: $900 – $1,150
- 15kW: $950 – $1,200
- 17kW: $1,000 – $1,250
- 20kW: $1,050 – $1,275
- 23kW: $1,100 – $1,300
Electric furnaces are safe for mobile homes because they do not produce harmful gases, do not need external vents, and do not use flammable fuel.
Gas Furnace Prices
Gas furnaces cost $1,200 to $1,800, depending on size and efficiency. Higher-efficiency units are more expensive but save on utility costs.
Gas Furnace Prices by Size
- 56,000 BTU: $1,200 – $1,400
- 70,000 BTU: $1,300 – $1,600
- 77,000 BTU: $1,400 – $1,800
- 90,000 BTU: $1,500 – $2,500
Most gas furnaces for mobile homes use natural gas, but can convert to propane with a kit.
Oil Furnace Prices
Oil furnaces cost $1,500 to $2,000 on average. They heat at about 80% efficiency by spraying oil into a combustion chamber. Make sure to buy an oil furnace designed specifically for mobile homes.
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Installation Cost Factors
Installing a furnace costs $300 to $1,200 for labor, not including ductwork. Installation takes 4 to 8 hours, longer if the space is hard to access.
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Factors Affecting Installation Cost
- Installation labor: $300 – $1,200
- New furnace unit: $900 – $2,500
- Duct installation: $1,000 – $3,300
- Electrical circuit: $250 – $900
- Gas line: $500 – $2,000
- Permits and fees: $250 – $1,500
Other Cost Factors
- HVAC service: $75 to $150 per hour
- Electrician service: $50 to $130 per hour
- Location: Colder climates need larger furnaces.
- House/system size: Bigger homes need more capacity.
- Installation complexity: Hard-to-access areas cost more.
- Efficiency: High-efficiency units cost more but save energy.
- Features: Extra features increase costs.
- Ductwork: Costs $1,000 to $3,000.
- Electrical/gas upgrades: New circuits cost $250 to $900, gas lines cost $500 to $2,000.
- Permits and inspections: $250 to $1,500.
- Rebates and tax credits: Available for ENERGY STAR-certified furnaces.
- Insulation: Costs $0.80 to $2.60 per square foot.
- Drywall repairs: $50 to $100 per square foot.
Maintenance Costs
- Annual maintenance: $150 to $500.
- Furnace tune-up: $70 to $200.
- Furnace cleaning: $70 to $300.
Efficiency and Prices
- 80% efficiency furnaces: $1,300 – $1,500.
- 95% efficiency furnaces: $2,400 – $2,700.
Mobile Home Furnace Replacement Costs
Replacing a furnace costs $1,350 to $4,100, including removing the old unit. Repairs cost $125 to $480 on average.
Replacement Cost Breakdown
- Removing old unit: $150 – $400
- New furnace unit: $900 – $2,500
- Installation labor: $300 – $1,200
- Total cost: $1,350 – $4,100
How to Replace a Mobile Home Furnace
- Choose the correct furnace size based on your home square footage.
- Select furnace type such as electric, gas, or oil based on budget and fuel availability.
- Check installation requirements including ductwork, electrical circuit, or gas line.
- Remove the old furnace unit safely.
- Install the new furnace unit and connect all components.
- Test the furnace for proper operation and efficiency.
- Schedule regular maintenance to extend furnace lifespan.
Frequently Asked Questions
- Best furnace for a mobile home: Natural gas furnaces are efficient and have low running costs.
- Can you install a gas furnace in a mobile home? Yes, if it’s designed for mobile homes. Hire a professional for safety.
- Furnace lifespan: Electric furnaces last 20 to 30 years. Gas and oil furnaces last 15 to 25 years.
- How much does it cost to replace a mobile home furnace? The total cost ranges from $1,200 to $3,700 including installation.
- What affects furnace replacement cost? Size, fuel type, features, labor, and installation complexity affect cost.
- Are electric furnaces safe for mobile homes? Yes, they do not produce harmful gases and do not require vents.
- How long does furnace installation take? Installation typically takes 4 to 8 hours depending on complexity.
Why You Can Trust This Information
Last Updated: April 2026
Reviewed By: Home Improvement & HVAC Cost Experts
- This content is based on real market price data for mobile home furnace replacement.
- All cost estimates include labor, installation, and material factors.
- Information is aligned with current HVAC pricing trends and energy standards.
- Content is written and reviewed by home improvement research experts.
- Regular updates ensure accuracy and relevance for homeowners.