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A practical community for homeowners comparing system size, battery backup, installer quotes, and the details that shape a real project.

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UNITED STATES·ROOFTOP / BATTERY / INSTALLATION

Residential rooftop solar panels in morning light

FIELD NOTE 01Plan with your own numbers

THE SOLAR FIELD GUIDE

Four parts of a home energy plan

SUNROOM / 01—04

01 / ROOF & SHADE

Start with the site

Orientation, shading, roof condition, and local rules all matter.

02 / STORAGE

Decide what backup means

List the circuits and hours you want to support during an outage.

Installer reviewing a solar plan with a homeowner

03 / INSTALLATION

Compare the full proposal

Ask about equipment, scope, warranties, permits, and exclusions.

04 / PRODUCTION

Model a range, not a promise

Actual output and bill credits depend on site, weather, and utility terms.

UNITED STATES / RESIDENTIAL SOLAR

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ROOMS

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Start the first field note

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YOUR PROJECT / ROUGH ESTIMATE

Solar payback, with your inputs

Enter values from your utility bill and installer proposal. The result is a simple estimate, not a savings guarantee.

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Your inputs stay in this browser. No estimate has been saved yet.

Simplified arithmetic: estimated annual production is capped at your entered use, multiplied by your entered rate, then reduced by your maintenance allowance. It does not model export credits, rate changes, financing, degradation, taxes, roof work, permitting, or site-specific conditions. Verify assumptions with qualified local professionals and your utility.

A BETTER PROPOSAL REVIEW

Questions worth taking to the installer

What is included?

Panels, inverter, mounting, electrical work, permit fees, monitoring, and any roof repairs.

Which assumptions drive the model?

Production estimates, utility export rules, escalation rates, incentives, and exclusions.

What happens after installation?

Interconnection steps, workmanship coverage, equipment warranties, and service contacts.

WHY SUNROOM

Clear assumptions.
Better questions.

Sunroom helps homeowners compare solar proposals and share the details that made their projects work. Member notes are personal experience, not verified performance claims or financial advice.

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