Independent US HVAC & home energy intelligence
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US project decision center

One workflow from first estimate to total ownership.

Use the tools in order or jump directly to the decision in front of you. Inputs stay on your device unless you explicitly submit a contractor request.

01UnderstandProblem, home and urgency
02PlanSize, scope and budget
03CompareQuotes, financing and incentives
04OwnInstallation, warranty and maintenance
Core workflow

Six decisions, kept separate.

Each result shows its assumptions. No calculator guarantees equipment fit, contractor performance, financing approval or incentive eligibility.

Find the right tool

Start from your decision—not our site structure.

Search or choose a stage. The most useful matches appear first.

What are you doing?

25 matching tools · recommended order

01 · Urgent & repair

2026 refrigerant decision check

Separate existing-system service from a whole new system and identify missing R-410A, R-32 or R-454B documentation.

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02 · Urgent & repair

AC failure triage

Separate safe checks from professional-service and emergency shutoff signals.

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03 · Urgent & repair

Repair cost checker

Compare a written repair price with source-dated national bands and replacement context.

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04 · Compare money

Electric bill explainer

Separate the implied all-in rate from household usage and major electric loads.

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05 · Compare money

HVAC Fair Price Checker

Position a written cash quote against a broad planning band without fake local precision.

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06 · Compare money

HVAC operating cost

Estimate a defined period from capacity, efficiency, runtime, load and your rate.

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07 · Compare money

HVAC quote red flags

Find missing models, scope, warranty, financing and pressure-language questions before signing.

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08 · Compare money

Installation cost by ZIP

Screen a broad installed-cost range using published national and complexity assumptions.

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09 · Compare money

Portable AC ownership cost

Keep purchase, accessories, installation and electricity separate.

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10 · Compare money

Running-cost calculator

Estimate electricity cost from rated power, hours and your tariff.

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11 · Compare money

Two-proposal comparator

Normalize fourteen scope and payment fields side by side.

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12 · Plan a project

Contractor license check

Continue to the correct official state route and verify six separate credential questions.

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13 · Plan a project

Exact system match checker

Record indoor/outdoor models and verify pairing evidence without inferred certification.

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14 · Plan a project

Home Comfort Score

Combine ZIP climate context, home profile, bills and comfort symptoms into six transparent planning risks.

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15 · Plan a project

Home Energy Waste Score

Prioritize duct, attic, insulation, controls and HVAC investigations before replacing equipment.

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16 · Plan a project

HVAC Decision Room

Compare repair, like-for-like replacement and an efficiency upgrade over five and ten years.

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17 · Plan a project

HVAC size planning

Screen a broad capacity band from home facts before requiring a Manual J load calculation.

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18 · Plan a project

Room Cooling Match

Match room conditions and installation constraints to a practical cooling route.

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19 · Plan a project

What should I replace first?

Sequence envelope, panel, HVAC, water heating, EV charging and solar decisions.

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20 · Plan a project

Window-kit checker

Check common window configurations before relying on a portable AC kit.

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21 · Own & maintain

Cooling performance report

Capture ten same-window observations for a clearer service conversation.

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22 · Own & maintain

HVAC age & serial lookup

Screen the equipment rating plate, supported serial formats and official manufacturer verification routes.

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23 · Own & maintain

HVAC home-sale report

Build a buyer/seller inspection brief from age, service, repair and documentation facts.

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24 · Own & maintain

Maintenance passport

Track equipment, warranty and service planning locally on this device.

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25 · Own & maintain

Project passport

Keep one project record from estimate through final cost and ownership.

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READY FOR CONTRACTORS?

Turn the results into one comparable project brief.

Give every contractor the same home details, goals, scope checklist and financing question.

Start the project brief →