Why work on your renovation scenarios from the preliminary project stage in 2026
Clarifying the objectives: comfort, bills, DPE label and property value
Setting out several scenarios from the start aligns everyone on a clear trajectory. You link the works to concrete results. Lasting comfort, lower consumption, a better DPE label, and sometimes a stronger resale value. In 2026, clients compare quickly. A simple, costed, understandable scenario makes the difference.
Securing eligibility for the works: MaPrimeRénov', CEE and RGE requirements
Financial aid isn't decided at the end of the job. It's won from the preliminary project stage, by checking the technical criteria, the documents to prepare, and the right sequencing of measures. With a well-framed scenario, you avoid nasty surprises on MaPrimeRénov' and CEE. Secured aid, RGE requirements respected, and a cleaner file.
Saving time between first contact, technical visit and costing
A prepared scenario guides the technical visit. You know what to measure, what to photograph, and which blocking points to check. The result: fewer return visits, faster costing, and a renovation that moves forward. Faster quotes, without losing quality.
Building credible renovation scenarios: steps and points of attention on site
Recording the useful data without drowning in it: building, systems, usage and constraints
On site, aim for the essentials. A clean technical visit is worth more than 30 vague pieces of information. Note the walls (walls, floors, attics), the joinery, signs of moisture, air leaks. Record the systems (heating, DHW, ventilation), the emitters, the setpoints and 12 months of bills. Add the on-site constraints. Access, networks, space for an outdoor unit, co-ownership or heritage authority rules.
Prioritising the work packages: insulation, ventilation, heating, control
A solid scenario follows a logical order. First reduce needs with insulation and treatment of parasitic air inlets. Then secure air quality with suitable ventilation. Then choose or optimise the heating. Heat pump, boiler, biomass. Finish with control. Thermostats, balancing, heating curve. That's what keeps the promises on a day-to-day basis.
Avoiding common mistakes: thermal bridges, moisture, sizing and compatibilities
The sensitive points hide in the details. Thermal bridges at floors, load-bearing partitions, balconies. Risk of condensation if you insulate without managing moisture and air renewal. Oversized heating, or incompatible with radiators designed for high temperature. Also check the electrics, drainage, acoustics, and maintenance. A credible renovation is a chain with no weak link.
Simulating results: what an RGE tradesperson should compare between several scenarios
Comparing energy performance: consumption, estimated gains and DPE consistency
For a renovation, put the scenarios on the same starting line. Compare conventional consumption (kWhEP/m²/year), emissions (kgCO2/m²/year) and the target DPE class. Also check whether the stated gain matches the actual building and its usage. A jump of several classes without treating the envelope, ventilation and heating should raise a flag. Work with the same assumptions for surface area, setpoints and climate zone.
Comparing budgets: remaining cost, available aid and possible phasing
Don't just compare the total. Calculate the remaining cost after MaPrimeRénov' and CEE, then check the possible combinations with 5.5% VAT and the zero-interest eco-loan. A more expensive scenario can become easier to sell if the aid is better leveraged. Test realistic phasing, without losing eligibility or creating redundant works. To go further on combining aid schemes, rely on a clear grid by item and by scenario.
Comparing the site impact: duration, complexity, risks and client acceptability
A good scenario also shows on the job site. Estimate the duration, coordination between trades, access and protection of the occupants. List the classic interface risks, such as reinforced airtightness without suitable ventilation, or thermal bridges at junctions. Finally, confirm client acceptability, with nuisance, usage constraints and maintenance.
How Argile speeds up your renovation scenarios and simulation without cutting corners
Fast energy diagnosis and works scenarios in a few minutes: framing the client discussion
With Argile, you get a first reading of the home in a few minutes. You can compare several renovation options without drowning the client in assumptions. The result serves as a basis for discussion, with a clear order of magnitude and readable priorities, from the very first exchange.
AI-based feasibility analysis and technical-visit support: clearing constraints before quoting
Argile highlights the points that often cause blockages. Technical constraints, consistency between packages, questions to check on site. You arrive at the visit with a short, useful checklist. You secure the project before costing it.
Preliminary costing and quotes with aid calculation: turning the simulation into a clear offer
Once the scenario is chosen, Argile helps you turn it into something concrete. Preliminary costing, structured quote, and integration of available aid such as MaPrimeRénov' and CEE. You present a clear, consistent offer, ready to sign.
Turning the simulation into a signed quote: presenting your renovation scenarios convincingly
Presenting 2 to 3 readable scenarios: "essential", "balanced", "comprehensive renovation"
Instead of a single costing, offer three clear paths. The "essential" one secures urgent matters: ventilation, cold spots, adjustments. The "balanced" one optimises the envelope and the heating system. The "comprehensive renovation" one aligns insulation, airtightness and equipment to aim for a class jump. Each scenario fits on one page, with an estimated remaining cost and expected gains.
Justifying the choices with simple evidence: photos, checkpoints, simulation assumptions
Show what you saw. Dated photos, measurements, thermal bridge identification, condition of the old boiler. Note your assumptions, insulated surface, target resistance, setpoint temperatures, usage. Simple evidence is worth more than a long speech. The client understands the logic and the priority of the works.
Anticipating client questions: budget, comfort, phased works and the 2026 timeline
Prepare answers on budget, aid, and the order of the packages. Propose realistic phasing in 2026, with milestones, a technical visit, checking the aid conditions before starting, then planning. Announce a short, credible timeline, and leave the client with a simple decision.
Key figures
< 2 s
Calculation time
5 to 15
Scenarios per home
cost, DPE gain, GHG
Optimisation criteria
Frequently asked questions
Ask right away for 12 months of energy bills, the specifications of the existing equipment (heating, DHW, ventilation) and the accessible surfaces/thicknesses needed to justify the performance levels. For financial aid, the quote must be signed after approval (notably for MaPrimeRénov') and your works must meet the technical criteria (thermal resistances, COP/ETAS, ventilation). Also plan to attach the RGE certificate and manufacturer data sheets to the file.
Louis Meneteau
CPO of Argile
