Fee-paid, commission-free energy advice across solar, storage, heat pumps, ventilation, and hot water — structured around your home and your goals, not around a product sale.
The process starts with your real data. Analysis of your past 12 months of EDF/Enedis consumption to understand your base-load, peak usage, seasonal variation, and opportunities for load-shifting. This ensures any recommendation is sized around your lifestyle and your property — not around an installer's preferred product range.
Every engagement is built around the Home Energy Autonomy Assessment — a whole-home energy review that becomes your written specification. The scope of that assessment, and the fee, depends on your property's specific situation and which technical areas warrant investigation. Heat pumps, thermodynamic hot water, MVHR ventilation, and solar and storage can each be included or omitted based on what is actually relevant and what you have agreed to explore.
The result is a requirements-led specification, not a sales quote. Everything produced belongs to you, to take to any RGE-certified installer for like-for-like quotes — with no commission, no referral fee, and no financial tie to any supplier.
My only priority is that you make an informed, confident decision based on accurate analysis, transparent modelling, and independent advice.
The Home Energy Autonomy Assessment is the core service. Its scope — and its fee — scales with your property and what needs investigating. The four technical assessments below are components of the HEAA; they are included or excluded at the scoping stage depending on what is relevant to your situation.
The core engagement. Scope is agreed at the initial call based on your property's specific situation — which technical assessments are relevant, whether an on-site visit is needed, and how many technology areas need covering. The fee reflects that scope. Nothing is included that isn't warranted; nothing relevant is omitted.
Remote desktop or on-site — Dordogne & Nouvelle AquitaineIndependent heat load study and MaPrimeRénov' grant navigation for ASHP and GSHP — the highest-value grant available in 2026, correctly sized before you approach any installer. EN 12831-compliant methodology.
Independent specification for chauffe-eau thermodynamique systems — correctly sized for your household, positioned for maximum efficiency, and grant-optimised before you approach any supplier. One of the simplest standalone MaPrimeRénov' measures.
RE2020 and NF DTU 68.3 compliant ventilation assessment — producing the airflow schedule, unit specification, and MaPrimeRénov' dossier your contractor needs. Essential for any renovation requiring a compliant ventilation strategy.
A technical concept brief — string layout, inverter sizing, battery chemistry, and Enedis guidance — sized for your actual consumption, not a standard template. Funded via the prime à l'autoconsommation, separately from MaPrimeRénov'.
Already have installer quotes? An independent line-by-line review — checking specs, RGE certification, grant compliance, and contract terms — before you sign anything. Owner-side project support through to Consuel also available.
An independent eye on your installed system every month — translating monitoring data into plain English, flagging underperformance, and confirming your system is delivering what it promised. Available to existing clients in a future phase.
The HEAA fee reflects two things: the size and complexity of the property, and which technical assessments are included in scope. Both are agreed at the initial call before any commitment is made. The initial conversation is always free.
| All engagements | |
| Initial conversation | Free |
| Home Energy Autonomy Assessment — base fee | |
| Remote desktop — any property size | €350–450 |
| On-site — small property (up to 150 m²) | €450–550 |
| On-site — medium property (150–300 m²) | €550–700 |
| On-site — large property (over 300 m² or complex) | €700–900 |
| Technical assessments — added to HEAA at scoping | |
| Heat Pump Assessment (PAC'Réno study + grant navigation) | +€150–200 |
| Thermodynamic Hot Water Assessment (CET sizing) | +€100–150 |
| MVHR Sizing Audit (RE2020 / NF DTU 68.3) | +€150–200 |
| Solar + Storage Concept Design | +€150–200 |
| Indicative totals | |
| Single-assessment HEAA (e.g. remote CET for small property) | €450–600 |
| Two-assessment HEAA (e.g. on-site heat pump + solar, medium property) | €850–1,100 |
| Full four-assessment HEAA (large on-site property) | €1,250–1,500 |
| Standalone services | |
| Quote Review — up to 3 installer quotes | €280–380 |
| Project Support — through to Consuel | From €480 |
| Remote Management & Reporting | Launching late 2026 |
| Travel | |
| On-site travel — quoted separately at initial call | Per engagement |
All fees quoted HT (excluding TVA). TVA at 20% applies. The exact fee is confirmed in writing before work begins — no surprises. Travel is quoted separately based on property location and is not included in the base fee.
A short, no-charge call to understand your property and what you are trying to achieve. No commitment required.