Use this guide
Choose the questions relevant to your situation. Expand each answer, save the checklist and request written clarification where evidence is missing.
Questions homeowners ask
Why review home energy use before deciding on solar?
DOE explains that energy efficiency complements solar: reducing the energy a home needs can reduce the solar energy required to power it. Ask for an assessment of current use and realistic improvement options before treating today’s consumption as a permanent design target. This is a planning opportunity, not a universal legal requirement or a guaranteed reduction in project cost.
Source: DOE: Homeowner solar guide. Reviewed 2026-10-06.
What does a professional home performance assessment cover?
ENERGY STAR describes an interview, historical bill review, home evaluation, safety checks and diagnostic testing, followed by prioritized recommendations. Ask the provider to specify the actual areas, tests and deliverables included in your service. A label such as “assessment” does not establish that every possible test is included.
Source: ENERGY STAR: home performance assessment. Reviewed 2026-10-06.
Is an energy assessment the same as a solar site survey?
Ask which decision each service supports. A home energy assessment investigates use, comfort and possible improvements. A solar site survey documents observations needed for a proposed installation within its contracted scope. Neither title alone establishes engineering approval, a complete roof condition evaluation or a guarantee of savings. Request a written scope from each provider.
Can an online energy score replace a professional visit?
ENERGY STAR’s Yardstick compares the previous 12 months of household energy use with similar homes, accounting for weather, size and occupants. It explicitly does not replace a professional audit. Its housing-type limits also mean apartment data may not produce a valid comparison. Treat the score as a starting point, not a diagnosis or a solar design.
Source: ENERGY STAR: Home Energy Yardstick method and limits. Reviewed 2026-10-06.
What records should I prepare?
Gather available utility bills, dates of major equipment changes and a short list of comfort concerns, such as rooms that feel unusually hot or drafty. ENERGY STAR identifies household living patterns, comfort issues and historical use as assessment inputs. Ask the provider what it needs and how it handles your private records.
Source: ENERGY STAR: home performance assessment. Reviewed 2026-10-06.
Why do safety and moisture questions matter?
DOE’s whole-house weatherization approach considers interacting building systems and checks health and safety concerns before efficiency work. It includes combustion, ventilation and moisture issues. These are professional evaluation questions, not instructions to modify equipment or seal a home yourself. Ask who will investigate a concern and whether it changes the recommended work sequence.
Source: DOE: whole-house weatherization and safety. Reviewed 2026-10-06.
How should I handle a planned EV, heat pump or other change?
Create separate current-use and future-use scenarios. Ask the responsible professional to document equipment assumptions, expected usage and uncertainty, rather than adding an unexplained percentage to old bills. Coordinate the energy assessment and solar design so the same intended household configuration is being evaluated. An estimate for one configuration does not guarantee the outcome for another.
Will an assessment guarantee a smaller bill or a cheaper solar system?
No. A useful report separates observations, modeled changes, costs and unresolved questions. Request the assumptions and evidence behind projected results, and compare the actual improvement and solar quotes. Do not assume every recommendation is economical for your situation or that lower annual energy use produces a matching percentage reduction in your total bill.
What should I ask about the assessor’s independence and credentials?
Ask about relevant training, qualifications, insurance where applicable, the tests they can perform and whether they receive payment for selling recommended work. Request conflict disclosures and the report scope in writing. A separate company name alone does not establish independence. Use a provider whose qualifications fit the specific questions you need answered.
Where can Solar Survey AI help?
Use our educational guides to connect usage assumptions with roof, shade and site evidence when considering solar. Ask our team to confirm available homeowner survey or inspection scope, qualifications and limitations. This page does not claim Solar Survey AI performs a comprehensive home energy audit, combustion testing or an official ENERGY STAR assessment.
Your decision checklist
- Collect bills and identify the periods they represent.
- List comfort concerns and recent or planned equipment changes.
- Confirm the provider’s tests, qualifications, fees and conflict disclosures.
- Separate observed conditions from estimates and unresolved questions.
- Record any safety or moisture concern and its responsible specialist.
- Align the household assumptions used in the energy assessment and solar proposal.
- Compare actual quotes and scope before relying on projected savings.
Save or print this guide from your browser. Keep completed records privately.
Keep assumptions visible
| Question | Record |
|---|---|
| What is measured? | Billing period, household configuration and observed condition |
| What may change? | Equipment, usage pattern and planned improvement |
| What is estimated? | Scenario, method, assumptions and uncertainty |
| What remains unresolved? | Required test, specialist and responsible party |
| What was priced? | Actual written scope and excluded work |
Example: the household plans to add an EV next year, but the solar proposal uses last year’s bills without documenting the change. Ask for a separate future-use scenario and the assumptions behind it. Keep the current baseline intact so the difference remains explainable; do not replace measured bills with an unlabeled prediction.
Example: a home performance report recommends investigating a moisture problem. Record that recommendation and the responsible specialist before bundling improvement work into a solar package. A sales quote does not show that the underlying question was resolved.
Continue with electricity bills and credit rules, roof, shade and battery questions and assessment independence and limits. Learn how Solar Survey AI documents site evidence; confirm the available scope with our team before booking.
Continue your research
About these guides
Published by Solar Survey AI, a commercial survey-services company. Our original decision checklists are recommendations; linked authorities support the referenced facts. We may benefit if you purchase our services. This is not independent certification of our company, a project-specific engineering decision or personal tax/legal advice. Local rules, contracts and site evidence control individual decisions. Reviewed 2026-10-06.
For available survey or inspection services, confirm your project scope and availability with our team. Our planned free homeowner remote diagnosis remains coming soon.
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