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Rehmer Feld, Hanover

Description

This residential house for a five-headed family is structured in a main building with pitched roof and a additional building with flat roof. The dining room, which behaves in the middle of the first floor, is the houses vivid centre. The air space ahead the dining room realizes the feeling of experiencing two floors and creates multifarious view connections. A logical southern orientation and floor-to-ceiling windows enable a well illumination into the rooms depth with usage of solar energy.

Involved parties

Client:

private

Design:

seyfarth | architekten bda

Quality management:

Trinity Consulting

Building data

BUILDING TYPE:

Detached single-family home

LOCATION:

Hanover

YEAR OF CONSTRUCTION:

2009

RESIDENTIAL UNITS:

HEATED USABLE SPACE:

247 m²

SUBSIDIES:

BAfA, KfW, proKlima

Building shell

EXTERIOR WALLS:

brickwork with 34 cm heat insulating system

HTC = 0,091 W/(m²K)

WINDOWS:

HTC = 0,80 W/(m²K)

ROOF:

HTC = 0,108 W/(m²K)

BASEMENT CEILING:

HTC = 0,125 W/(m²K)

Building technology

HEATING AND VENTILATION:

Compact ventilation device with integrated passive heat exchangers and micro-pump

AIR CONDITIONING:

no active air conditioning installed

Measured values

AIRTIGHTNESS:

n₅₀ = 0,5 h^-1

Calculated values

Calculation method: Passivhaus planning package

HEATING ENERGY NEEDS:

14,75 kWh/(m²a)

PRIMARY ENERGY NEEDS FOR HEATING,AIR CONDITIONING,DHW,ELECTRICITY:

88,0 kWh/(m²a)

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