National-average cost ranges for America's most-searched home repairs — roofing, HVAC, plumbing, and electrical — each with an interactive calculator so you can estimate your own project in under a minute.
Browse the cost guidesPick a project to see 2026 national-average prices and run the numbers for your home.
Replacing a water heater costs $1,200–$2,500 for a tank model and $2,200–$5,000+ for tankless in 2026. Compare efficiency, lifespan, and long-term value with our calculator.
Read guide & use the calculator →Replacing a roof in 2026 typically costs $8,000–$25,000 nationally, averaging about $9,500. Asphalt shingles are the cheapest option. Use our calculator for a personalized estimate.
Read guide & use the calculator →Most common plumbing repairs cost $150–$600 in 2026. See typical prices for faucets, toilets, drain cleaning, disposals, and leak repairs — plus what plumbers charge per visit.
Read guide & use the calculator →Installing central air conditioning typically costs $5,000–$12,000 in 2026, averaging about $7,200. Estimate your project by home size and system type with our calculator.
Read guide & use the calculator →Upgrading an electrical panel costs $800–$4,000 in 2026 depending on amperage. The standard 100A→200A upgrade typically runs $1,300–$2,000 installed.
Read guide & use the calculator →Every guide on this site follows the same method:
Before hiring anyone, get at least three written quotes from licensed, insured professionals in your area — and never pay in full upfront.