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Converting an electric furnace to a gas furnace costs between $5,000 and $15,000. This price includes installing new gas lines, venting systems, and the gas furnace itself. Switching to a gas furnace can enhance energy efficiency and reduce monthly heating bills, but the initial investment is higher due to additional installation requirements.

Relocating a furnace in your house costs between $1,000 and $20,000 or more, depending on the complexity of the move. Factors influencing the cost include the distance the furnace is moved, necessary modifications to ductwork, rerouting of gas lines and electrical connections, and any structural changes required. This significant project should be handled by licensed professionals to ensure safety and compliance with building codes.

Converting a heat pump to a gas furnace costs between $1,000 and $5,500. This includes removing the existing heat pump and installing a new gas furnace. Additional expenses may arise from installing gas lines, venting systems, and modifying ductwork. Switching to a gas furnace can provide more efficient heating in colder climates, improving home comfort during winter months.

Replacing a boiler with a furnace costs between $2,000 and $6,000. This price includes removing the old boiler system and installing a new furnace. Additional costs may be incurred for installing ductwork and vents since boilers use water or steam, while furnaces use forced air. Upgrading to a furnace system can improve heating efficiency and distribution throughout your home.

A gas furnace usually lasts between 15 and 25 years when it’s properly maintained. Regular maintenance—including annual professional inspections, timely repairs, and routine filter changes—can extend your furnace's lifespan. Factors such as usage frequency, installation quality, and environmental conditions can also impact how long your furnace will operate safely and efficiently.

If your furnace is over 15 years old and experiencing frequent issues, it may be more cost-effective to replace it rather than continue with repairs. Newer furnaces are more energy-efficient, which can lower your monthly heating bills. Consider factors like repair costs, energy savings, and overall performance when deciding whether to repair or replace your furnace.