Practical cleaning, upkeep, and energy-saving guides for American homes.
A professional home energy audit typically costs $200 to $700, and many utilities subsidize it. What drives the price, what a blower door test adds, and when it pays off.
Blown-in attic insulation typically costs about $1 to $4 per square foot installed, or roughly $900 to $3,600 for many attics. What drives the price and how to save.
Home solar typically costs about $2.50 to $3.50 per watt before incentives in 2026, and the 30% federal homeowner credit ended after 2025. What a system costs and how to judge a quote.