PHPP Estimator: Design & Cost Sandbox
1. Geometry & Structure
2. Fabric U-Values (W/m²K)
3. Occupancy & Ventilation
Occupants
Bathrooms
Install MVHR System
4. Internal & Solar Gains
Assume 1 kWh Elec = 1 kWh Heat
5. Cost Assumptions
{{ c.net_demand_sqm.toFixed(1) }} kWh/m²a
Net Heating Demand (Target: ≤15)
{{ c.thlnsqm.toFixed(1) }} kWh/m²a
Gross Heat Loss (Net)
€{{ fmt(c.total_capex) }}
Total Capital Cost
🌎 Global Matrix
📊 Charts
📋 Raw Data
Global Energy & Cost Matrix (Losses vs Gains)
Type
Element
Area/Vol
Total kWh/y
Spec. kWh/m²a
Build Rate
Cost
Spec. Cost (Net)
{{ row.cat }}
{{ row.el }}
{{ row.area }}
{{ row.rate }}
1. Full Geometry Dump
{{key}}
{{val}}
2. Full Heat Loss & Gain Dump
{{key}}
{{val}}
3. Full Cost Dump
{{key}}
{{val}}