Presentation at the 21st International PH Conference in Vienna 2017

IPHC17 Vienna Austria Authors : Dr Ioannis Pappas, Stefan Pallantzas © Passivistas2017

Presentation:Passivistas EnerPHit PLUS Project in Athens

One year overall measurements, one year of living

Dr Ioannis PappasMechanical Engineer


Project locationPapagou – Athens

GREECE


TFA:

1ST FLOOR = 85 Τ.Μ.GROUND FLOOR = 30 Τ.Μ.

Project description


Thermographic

ExaminationOutside

Ext.Tmp = 0°C

14/12/2015

11:10 pm

Project evaluation


Thermographic

ExaminationInside

Winter : Ext.Temp= 0°C

Summer: Ext.Temp= 36°C


Application of EIFS on 1st floor + ground floor

Exterior walls

Building envelope

Heating demand 301 kWh/(m2a)Heating load 129 W/m2Cooling demand 77 kWh/(m2a)Cooling load 68 W/m2Estimated airtightness n50 =5.00 /h

Sensors


Specific building characteristics with reference to the treated floor area

Treated floor area m² 114,6 Criteria Fullfilled?2

Space heating Heating demand kWh/(m²a) 12 ≤ 15 -

Heating load W/m² 11 ≤ - -

Space cooling Cooling & dehum. demand kWh/(m²a) 12 ≤ 16 16

Cooling load W/m² 10 ≤ - 11

Frequency of overheating (> 25 °C) % - ≤ - -

Frequency excessively high humidity (> 12 g/kg) % 0 ≤ 10 yes

Airtightness Pressurization test result n50 1/h 0,6 ≤ 1,0 yes

PE demand kWh/(m²a) 85 ≤ - -

PER demand kWh/(m²a) 48 ≤ 45 48

kWh/(m²a) 68 ≥ 60 63

2 Empty field: Data missing; '-': No requirement

EnerPHit Plus? yes

yes

yes

Alternative

criteria

I confirm that the values given herein have been determined following the PHPP methodology and based on the characteristic

values of the building. The PHPP calculations are attached to this verification.

yes

Non-renewable Primary Energy (PE)

Primary Energy

Renewable (PER) Generation of renewable

energy


PHPP is right!Consumption is low

Comfort is goodPeople are satisfied

IPHC17 Vienna Austria Cooling & Dehumidification Workshop Author : Stefan Pallantzas ©Passivistas2017

Critical Period

withoutNight-

ventilation

It’s not always possible for night-

ventilation through windows

IPHC17 Vienna Austria Cooling & Dehumidification Workshop Author : Stefan Pallantzas ©Passivistas2017


PH goes slowly into Summer

(the thermal mass effect)


PH responds quickly to active cooling


PH goes slowly into Autumn

(the thermal mass effect)


Credits : Jürgen Schnieders

Measured data, connected into PHPP

Average Internal Temperature °C 25,21

Jun Jul Aug Sep

Average External Temperature °C 28,64 27,91 27,46 24,25

Whole Months 26,38 27,91 27,50 22,78

The fantastic performance of the

Minisplit


Comparing direct electricity heating

with minisplit


2017Month TOTAL PHPP MEASURED HEATING PHPP HEATING MEASURED

JAN 2017 402,32 448,24 137,96 217,08

FEB 2017 361,14 336,24 131,05 117,53

MAR 2017 269,61 265,89 60,26 53,69

2016Month TOTAL PHPP MEASURED HEATING PHPP HEATING MEASURED

NOVEMBER 2016 237,57 237,60 2,96 33,28

DECEMBER 2016 390,48 402,90 98,12 185,56


2016Month TOTAL PHPP MEASURED HEATING PHPP HEATING MEASURED COOLING PHPP COOLING MEASURED DHW PHPP DHW MEASURED ELECTRICITY PHPP ELECTRICITY MEASURED

JAN 2016 683,36 619,35 419,00 367,45 - - 55,00 35,00 209,36 216,90

FEB 2016 634,85 388,55 398,00 206,57 - - 41,00 12,87 195,85 169,11

MAR 2016 392,36 339,80 183,00 141,35 - - - 12,08 209,36 186,37

APR2016 217,60 151,35 15,00 5,00 - - - - 202,60 146,35

MAY 2016 209,36 205,90 - - - - - - 209,36 205,90

JUNE 2016 251,31 195,55 - - 48,71 35,07 - - 202,60 160,48

JULY 2016 381,26 246,40 - - 171,90 55,51 - - 209,36 190,89

AUGUST 2016 368,42 251,85 - - 159,06 58,90 - - 209,36 192,95

SEPTEMBER 2016 216,93 204,65 - - 14,33 7,75 - - 202,60 196,90

OCTOBER 2016 217,36 186,11 - - - 1,69 8,00 10,00 209,36 174,42

NOVEMBER 2016 237,57 237,60 2,96 33,28 - - 32,00 24,00 202,60 180,32

DECEMBER 2016 390,48 402,90 98,12 185,56 - - 83,00 28,30 209,36 189,04

SUM 2016 4.200,83 3.430,01 1.116,09 939,21 393,99 158,92 219,00 122,25 2.471,75 2.209,63

KWh/m2 TFA 36,66 29,93 9,74 8,20 3,44 1,39 1,91 1,07 21,57 19,28

Total Winter Cost = 366,93 € Per Day = 2,45 €

Total Heating Cost = 161,07 € Per Day = 0,89 €

Total Cooling Cost = 27,25 € Per Day = 0,18 €

Total Summer Cost = 186,00 € Per Day = 1,55 €

Total Yearly Cost = 588,25 € Per Day = 1,61 €


Credits : Wolfgang Feist

Passive House +RES

Always an Advantage!


Thank You!Passive HouseLive in comfort!Save Energy!Save the planet!

Presentation at the 21st International PH Conference in Vienna 2017

Engineering

Transcript of Presentation at the 21st International PH Conference in Vienna 2017