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Heating › Installation › Modernisation › Maintenance › Repair Heat pump Plumbing & Bath › Plumbing systems › Bathroom renovation Services Calculators About us
Home / Calculators

Inform, plan, understand the costs.

Six interactive calculators help you assess your project realistically — from heating load to photovoltaics.

Heating calculator

Calculate heating load & get a system recommendation

Bathroom cost calculator

Plan a bathroom renovation & understand the costs

AC calculator

Calculate cooling load & AC system

Subsidy check

Check funding options for your modernisation

Economic feasibility

Is modernisation worthwhile?

PV yield calculator

Photovoltaics: yield & profitability

Heating calculator

Calculate heating load & system recommendation

1 Basic data
2 Building
3 Result
m²
Single-family home
Multi-family home
Apartment
Before 1978
1978–1995
1996–2010
After 2010

Please review your entries and continue.

Living area (m²)
Building type
Year built

Bathroom cost calculator

Plan a bathroom renovation & understand the costs

1 Basic data
2 Renovation
3 Fixtures
4 Technology
5 Result
m²
Apartment
Single-family home
Multi-family home
Before 1978
1978–1995
1996–2010
After 2010
Full renovationEverything new
Partial renovationPartial renewal
Fixtures onlyFittings, ceramics
StandardFunctional & solid
ComfortHigher quality
PremiumDesign-oriented

AC calculator

Calculate cooling capacity & AC system

1 Basic data
2 Building
3 Usage
4 Result
m²
m
Living room
Bedroom
Office
Commercial space
Other
LowNorth side / shaded
MediumEast/West windows
HighSouth side / skylight
GoodNew build / renovated
MediumStandard
PoorOld building, unrenovated

Subsidy check

Check funding options

1 Building
2 Heating
3 Measure
4 Result
Single-family home
Multi-family home
Apartment
Commercial
Before 1978
1978–1995
1996–2010
After 2010
Owner-occupied
Gas
Oil
District heating
Heat pump
Other
Heat pump
Hybrid heating
Gas condensing
Pellet heating

Economic feasibility calculator

Is modernisation worthwhile?

1 Current state
2 Target system
3 Investment
4 Result
m²
Single-family home
Multi-family home
Apartment
Before 1978
1978–1995
1996–2010
After 2010
Gas
Oil
District heating
Heat pump
Other
Yes
No
Not sure
€/years
kWh
Heat pump
Hybrid heating
Gas condensing
Pellet heating

PV yield calculator

Photovoltaics: yield & profitability

1 Roof area
2 Orientation
3 Consumption
4 Battery
5 Result
m²
Flat roof0–10°
30° optimalBest yield
Pitched 45°Standard
Steep 60°Steep roof
Façade 90°Vertical
Northern Germany~880 kWh/kWp
Central Germany~960 kWh/kWp
Southern Germany~1050 kWh/kWp
South100% yield
Southwest~95%
West~85%
East~85%
Northwest~65%
kWh
ct/kWh
Yes, with battery
No, without battery

Are we the right partner for your project?

Talk to us — we are happy to advise you personally and without obligation.

info@aurora-haustechnik.de 0641 97 24 41 49