Fuel Consumption Simulator: Air Conditioning or Williwaw?
Before installing an air conditioner, it’s a good idea to look beyond the purchase price. Installation, electricity consumption, daily use, and costs over several years—the difference can add up.
Estimate your consumption in just a few seconds
This simulator lets you easily compare the estimated cost of a conventional air conditioner with that of a Williwaw, taking into account the purchase price, installation, and electricity consumption.
1. Enter your part number
This information is used to display an estimated volume and to pre-fill the comparison table.
Default value, which can be changed at any time.
Why use this simulator?
2. Compare with other solutions
Adjust the values if you already know the prices or consumption rates in your area.
Portable Air Conditioner
Built-in Air Conditioning + Installation
How are these consumption figures estimated?
Energy consumption is estimated based on the room's volume, average refrigeration capacity, and market assumptions. These figures can be adjusted to tailor the calculation to your specific situation.
Why compare Williwaw to an air conditioner?
The Williwaw is a stylish, quiet, and energy-efficient alternative for improving summer comfort. It effectively circulates air, creates a refreshing sensation, and uses very little electricity—all without the need for complicated installation or construction work.
The Williwaw can save you money starting in the first year compared to a portable air conditioner, and even more compared to a built-in air conditioning system.
| Williwaw | Portable Air Conditioner | Built-in air conditioning | |
|---|---|---|---|
| Purchase price | … | … | … |
| Annual cost (electricity) | … | … | … |
Cost Savings Achieved with the Williwaw
View the calculation details
- Estimated volume = …
- Annual cost = annual consumption × … €/kWh
- Total over 3 years = purchase price + (annual cost × 3)
- Total over 10 years = purchase price + (annual cost × 10)
Williwaw or air conditioning: which should you choose?
The Williwaw is a stylish, quiet, and energy-efficient alternative for improving summer comfort. It effectively circulates air, creates a refreshing sensation, and uses very little electricity—all without the need for complicated installation or construction work.
1. Can a Williwaw replace an air conditioner?
The Williwaw is not an air conditioner: it does not produce cold air. It improves perceived comfort by circulating air, while consuming very little electricity.
2. What is the power consumption of a Williwaw?
The simulator uses the power value specified in the module's variables; the default is 12 W per device.
Discover the Williwaw
Check out the full product description, customer reviews, and technical specifications.
View the product page →See details on the calculation method
Comparaison du coût de possession complet sur une saison estivale de 1,440 h/an, au prix de l’électricité que vous réglez (défaut 0,194 €/kWh, Tarif Bleu EDF 2026).
Hypothèses : 4 mois/an · climatiseur fixe Inverter SEER 7.5 · climatiseur mobile ×2,5 de conso (ADEME) · Williwaw 12 W.
| Sur 10 ans | Clim. fixe | Clim. mobile | Williwaw |
|---|---|---|---|
| Achat & installation | … | … | … |
| Électricité | … | … | … |
| Entretien obligatoire | … | 0 € | 0 € |
| Total | … | … | … |
Climatiseur fixe (split Inverter) : matériel : 350 €/kW frigorifique (Hello Watt / Climshop) + 1,200 € de pose réglementaire (Travaux.com). Conso : puissance frigorifique (45 W/m³) ÷ SEER 7.5. Entretien 150 €/an obligatoire. Durée de vie 17 ans (ADEME, BAR-TH-129).
Climatiseur mobile (monobloc) : achat ~450 € (Darty / Leroy Merlin), à remplacer tous les 7 ans. Conso 2,5× celle d’un split fixe (Guide ADEME « Comment choisir sa climatisation ? »), sans entretien professionnel.
Williwaw : 999 €/appareil (1 pour 50 m²), 12 W absorbés en vitesse de croisière (caractéristiques officielles, norme EN60704-2-7), sans installation ni entretien (grille et hélice lavables au lave-vaisselle), durée de vie estimée 20 ans.
Estimation indicative à partir de moyennes de marché 2026 (méthodologie V2). Le coût d’usage de la climatisation est calculé en fonctionnement plein régime ; un usage modulé le réduit, sans changer la hiérarchie des coûts.
Discover the Williwaw
Check out the full product description, customer reviews, and technical specifications.