Find Out What Your Home Systems Could Cost You Next
HomeScore analyzes major home systems — HVAC, roof, water heater, appliances and more — to estimate repair risk, replacement cost, and what may need attention first.
No contractor visit. No sales call. Takes about 2 minutes.
Built on home system cost models, age-based replacement ranges, and homeowner expense forecasting.
What it checks
Every major system in your home
What you'll get
A clear picture of what your home may cost next
Estimated replacement cost ranges
Personalized to your home size, quality tier, and ZIP.
Risk level by system
See which systems are due soon vs. years away.
Suggested priority order
Know what to plan for first, before something fails.
5-year home cost outlook
Forecast your total exposure across all major systems.
Helpful next steps before something breaks
Practical actions, not pressure to hire anyone.
Why HomeScore
Built to surface hidden home costs early
HomeScore helps homeowners understand the hidden costs inside their home before they become urgent. We use age, condition, system type, regional cost ranges, and home maintenance forecasting to turn confusing home expenses into a clear action plan.
Designed for homeowners who want to plan ahead — not get surprised by a $9,000 replacement.
Run My Free Cost Analysis
Takes about 2 minutes. No pressure. No contractor matching required.
Average Replacement Cost for Major Home Systems
The table below shows typical replacement cost ranges and expected lifespans for the most common home systems. These figures represent national averages — your actual costs will depend on home size, material quality, and local labor rates.
| System | Typical Cost | Lifespan |
|---|---|---|
| HVAC System | $9,000 – $15,000 | 15–20 years |
| Roof | $14,000 – $22,000 | 20–30 years |
| Water Heater | $2,800 – $5,000 | 8–15 years |
| Electrical Panel | $4,000 – $7,000 | 25–40 years |
| Windows | $18,000 – $30,000 | 20–40 years |
| Siding | $15,000 – $25,000 | 20–50 years |
| Plumbing | $10,000 – $18,000 | 40–70 years |
| Insulation | $5,000 – $9,000 | 20–80+ years |
| Garage Door | $2,800 – $5,000 | 15–30 years |
Most Expensive Home System Replacements
Foundation repair tops the list as the most expensive home project, with major structural work costing $35,000–$175,000 depending on severity.
Roof replacement is the second most expensive common project. A full roof replacement on a mid-sized home typically costs $14,000–$42,000. Read our Roof Replacement Cost Guide.
Whole-house window replacement ranges from $10,000–$95,000 depending on the number of windows, frame material, and glass type.
HVAC replacement typically costs $6,000–$25,000 for a mid-sized home. See our HVAC Replacement Cost Guide.
How to Budget for Home Replacement Costs
The 1% Rule: Financial planners recommend setting aside 1%–3% of your home's value each year for maintenance and replacements.
Emergency repair planning: Maintain at least $5,000–$10,000 in a separate home emergency fund for urgent repairs.
Maintenance saves money: Homes with consistent preventive maintenance spend 30–50% less on emergency repairs over a 10-year period. Following a seasonal maintenance schedule extends system lifespans. Our Home Maintenance Cost Guide breaks this down in detail.
When Major Home Systems Usually Need Replacement
Years 5–15: Water heaters, garage door openers, and some appliances are the first systems to reach end-of-life.
Years 15–25: HVAC systems, decks, and driveways typically need replacement. Read our HVAC Lifespan Guide and Repair vs. Replace Guide.
Years 25–40: Roofing, siding, windows, and electrical panels enter their replacement zone. Our Lifespan Estimator can help you project timing.
Years 40+: Plumbing, foundation, and insulation issues emerge in older homes.
Frequently Asked Questions
Related Guides
Dive deeper into specific systems with our detailed lifespan guides, cost breakdowns, and maintenance resources.
Based on 516+ cost data points across 159 U.S. markets · Deterministic analysis · Updated 2026
1 of 25 systems
You checked Home Systems. HomeScore tracks all 25.
You're seeing 1 of ~25 systems that impact your home's financial health. Most homeowners only plan for 1 — and get blindsided by the rest. That's where unexpected $10K–$25K costs come from.
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