Timothy has written about personal finance, including detailed home renovation and repair cost guides, since 2017. His work covers everything from plumbing and roofing to solar and pest control.

This prevents gas leaks and carbon monoxide poisoning. Expect to pay an average of $1,300 to replace a furnace coil. Furnace coil replacements start at around $600 and range up to $2,000 per project.

For aluminum coils, a soapy mix of household detergent is also safe to use. To use a foaming HVAC coil cleaner, shake the can ...