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HomeCostIQPlan projects · compare costs

Independent home project planning

Know what your home project should cost.

Explore planning ranges, adjust project assumptions, and compare options before you request written bids. Every estimate makes its sources and limits clear.

A ZIP is optional. If entered, it maps to broad state context only—not ZIP-level contractor prices.

Every calculator works without an account or contact form.

Popular project calculators

Start with the project in front of you.

Choose a project to see its planning range, supported inputs, source notes, and practical questions to ask.

Technician inspecting a residential heat pump systemHVAC

HVAC installation

Plan for replacing or installing a central heating and cooling system. The model scales with home size and the selected equipment type.

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Roofer installing dark shingles on a suburban homeRoofing

Roof replacement

Estimate a typical asphalt-shingle roof replacement from roof area, pitch, and number of layers to remove.

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Remodeled kitchen with navy cabinetry and a stone islandKitchen

Kitchen remodel

Explore a planning range for a kitchen refresh or remodel, adjusted by approximate room size and finish level.

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Remodeled bathroom with a tiled shower and navy vanityBathroom

Bathroom remodel

Build a rough budget for a bathroom update based on room size, finish level, and whether the layout changes.

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Plumber inspecting a residential water heater installationPlumbing

Water heater

Compare a conventional tank replacement planning range by capacity and fuel type.

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Appliance technician inspecting an open refrigeratorAppliances

Refrigerator decision

Compare the repair bill with replacement cost and the appliance’s expected remaining service life.

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Browse all 10 calculators Explore project categories

How estimates work

See the assumptions behind the number.

Use each result as a starting point for clearer project planning—not a replacement for an in-home assessment.

Read our methodology

  1. Step 1

    Choose your scope

    Enter only the project details supported by that calculator.

  2. Step 2

    Review the range

    See modeled values, cost components, and source coverage separately.

  3. Step 3

    Compare written bids

    Use scope notes and questions to compare proposals from professionals.

Compare options

Make the decision a comparison, not a guess.

Use practical tools to weigh the trade-offs that matter to your home and budget.

Repair vs. replaceCompare entered repair and replacement amounts with age and expected service-life context.Rent vs. buyCompare the costs and assumptions behind a housing decision over your chosen timeline.

Research and transparency

Know what a cost range does—and doesn't—cover.

Published cost references stay separate from HomeCostIQ model estimates. Where supported, ZIP may map to a broad state index; it never supplies ZIP-level project prices.

Browse source notes Regional data standards

Source and date

See where published reference ranges come from and when they were reviewed.

Scope and exclusions

Review what an estimate may include, omit, or leave uncertain.

Next questions

Prepare to compare itemized proposals with qualified professionals.

Project planning

Learn what moves the price.

All guides

Roofing

What to budget for a new roof

Scope details that can move your number before the first shingle comes off.

Decision guide

Repair or replace your HVAC?

Compare age, repair cost, comfort, and energy use with a clear framework.

Kitchen

Planning a kitchen remodel

Set a scope, compare allowances, and build room for the unknowns.