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RenovationCost Lab
Repair or Replace

Repair or Replace Costs & Calculators

Evidence-based repair-versus-replacement decisions with annualized costs.

WindowsDecksWater heatersRoofsFlooringLifecycle costs
Repair or Replace — Evidence-based repair-versus-replacement decisions with annualized costs.

Calculators in this category

Cost guides & comparisons

Guide

Repair or Replace a Water Heater? How to Decide

There is no single rule for repairing vs. replacing a water heater. The right call depends on the unit's age and condition, the repair cost against a new unit, efficiency, and safety — compare them with your own figures.

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Guide

Repair or Replace Windows? How to Decide

There is no single rule for repairing vs. replacing windows. The right call depends on the window's condition, what actually failed (a fogged pane, a sash, hardware), the energy and comfort you would gain, and how your repair quote compares to replacement — compare them with your own figures.

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Guide

Repair or Replace a Deck? How to Decide

There is no single rule for repairing vs. rebuilding a deck. The right call depends on what has failed — surface boards and railings versus the structural frame, posts, or ledger — plus condition and how your quotes compare. Structural and safety problems override cost: get a professional inspection.

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Guide

Repair or Replace a Roof? How to Decide

There is no single rule for repairing vs. replacing a roof. The right call depends on the roof's age and condition, whether the problem is a localized leak or widespread wear, how many layers already exist, and how your quotes compare — plus a professional's read on what is actually failing.

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Guide

Repair, Refinish, or Replace Flooring? How to Decide

There is no single rule for repairing, refinishing, or replacing flooring. The right call depends on the material, what is wrong (surface wear versus deep damage), whether the subfloor is sound, and how your quotes compare — especially the choice between refinishing hardwood and replacing it.

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