Log in
Forum » Hungary

62. Daylight modeling requirement Perez Sky

WELL v1 Building Standard Tip Sheet
posted by Zsolt Bako-Biro on Nov 12, 2020, 3:12 am

Is there a requirement for using Perez Sky model to achieve Spatial daylight autonomy (...

v4.1 Renewable Energy // heat pump in Tier1?

NC-v4.1 EAc5: Renewable energy
posted by Claudia Sturcz on Oct 15, 2020, 3:15 am

Dear All, 

According to v4.1 do heat pumps belong to Tier1 category? If the energy will be provided in equal rate from boilers and heat pumps than we shoud calculate 50% renewable? Or this...

Last reply: Marcus Sheffer, Oct 15, 2020, 8:08 am

Open-office workstations thermal comfort control

CI-v4 EQc5: Thermal comfort
posted by Zsuzsanna Gidro on Feb 5, 2019, 7:00 am


We have a project with open office areas including workstations with 12 people (2 desks facing each other counting as one workstation). The HVAC system is zoned in areas containing in...

Last reply: Seema Pandya, Sep 29, 2020, 6:07 pm

Bicycle path width

CS-v4 LTc6: Bicycle facilities
posted by Agnieszka Szydlowska on Nov 2, 2018, 6:09 am

Next to our project there is a city network of bicycle paths (marked lanes on a pavement) leading to many diverse uses and rapid transit stops. The Investor is also planning to provide...

Last reply: Agnieszka Szydlowska, Jan 17, 2020, 8:53 am

Minimum IAQ Performance Calculator Summary sheet Voz

NC-v4 EQp1: Minimum indoor air quality performance
posted by Claudia Sturcz on Sep 6, 2019, 7:20 am

On the summary sheet in the last column  "n/a" data appears even if the Voz values are filled in the other sheets. We can't find the solution.  Could somebody help me?


Baseline- System 5, no cooling

NC-2009 EAp2: Minimum Energy Performance
posted by Zsolt Bako-Biro on Mar 5, 2018, 1:14 pm

I have a 11000 sqm warehouse (3 units) 24/7 in operation with natural ventilation, no cooling designed or required, heated to 15°C. The OA requirement is met by the level of...

Last reply: Zsolt Bako-Biro, Mar 16, 2018, 2:26 pm

sDA simulation- window groups for core and shell buildings

NC-v4 EQc7: Daylight
posted by Diana Apro on Jul 26, 2017, 4:50 am

Dear All,

I have difficulties to define window groups for internal shading control when carrying out Option 1 (...

Last reply: Diana Apro, Jul 27, 2017, 3:20 am

Compressor replacement + R422D refrigerant

EBOM-2009 EAc5: Enhanced Refrigerant Management
posted by Norbert Szircsak on Jan 14, 2015, 4:41 am

Ben Stanley Senior Sustainability Manager WSP- Built Ecology LEEDuser Expert 252 thumbs up November 30, 2015- 5:53 pm Hi Norbert, Did you ever get solid guidance for these issues outside of this forum? For point 1, if the old compressor was decommissioned prior to the performance period, then it could be excluded from the calculation entirely. If not, include it and determine the leakage rate per...

Last reply: Norbert Szircsak, Jan 25, 2016, 5:43 am

Modeling semi heated space with mechanical ventilation

NC-2009 EAp2: Minimum Energy Performance
posted by Ashwin Kumar on Jan 21, 2016, 11:55 pm

We are working on the energy modeling for Industrial Manufacturing facility in which some places can be classified as “Semi heated spaces” as per ASHRAE 90.1 2007 definition. These semi heated...

Last reply: Marcus Sheffer, Jan 22, 2016, 10:18 am


EBOM-2009 MRc7: Solid Waste Management—Ongoing Consumables
posted by Emmanuel Pauwels on Nov 15, 2014, 8:19 am

Is is correct that incineration does not qualify as...

Last reply: Barry Giles, Nov 15, 2014, 1:18 pm