Features
Building Data
Enter the typology, year of construction, useful floor area and ceiling height. Default values pre-loaded by construction era.
Location & Climate
Select your municipality. Climate data (degree-days, average temperature, solar radiation) is assigned automatically.
Thermal Envelope
Define walls, roof, floor and glazing. Typical U-values by construction era pre-loaded for convenience.
HVAC Systems
Configure heating, cooling and domestic hot water systems with efficiencies and primary energy conversion factors.
Renewable Energy
Include solar thermal or photovoltaic panels and see the direct impact on the energy class.
Detailed Result
Get the energy class (A+ to F), the Ntc/Nt ratio and the breakdown by heating, cooling and DHW.
Screenshots
Location
Building
Envelope
Systems
Renewables
Result (B)
Result (A+)
How It Works
Location
Select the municipality where the home is located.
Building
Enter the typology, year, area and general characteristics.
Envelope
Define walls, roofs, floors and windows.
Systems
Configure heating, cooling and hot water systems.
Renewables
Add solar panels or other renewable sources.
Result
View the energy class and detailed report.
Regulatory Basis
SCE / REH
Calculation based on the Portuguese Building Energy Certification System and the Regulation on Energy Performance of Residential Buildings.
Ordinances & Decrees
Reference values per Portaria 349-B/2013, updated by Portaria 379-A/2015, and associated technical dispatches.
Requirements
- iOS 18.0 or later
- iPadOS 18.0 or later
Support
Contact
Questions or feedback? Email us at walter.tengler@gmail.com
Disclaimer
This app provides an indicative estimate. The official energy certificate can only be issued by a qualified ADENE-certified expert.