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Zone Secondary Recirculation FractionNC-v4 EQp1: Minimum indoor air quality performanceposted by Dave Hubka on Jun 19, 2023, 9:53 am
ASHRAE 62.1, Section A1.2.2 states: Er is less than 1.0 for plenum return systems with secondary recirculation (e.g. fan-powered... Last reply: Julio Fernandez Amodia, May 8, 2025, 1:58 pm |
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Outdoor Air when Baseline has System 2NC-v4 EAp2: Minimum Energy Performanceposted by Greenlab on Jun 2, 2021, 1:01 pm
I am following v4 and ASHRAE 90.1 - 2016. I have an Hotel in... Last reply: Marcus Sheffer, May 8, 2025, 11:44 am |
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Air Testing (Ozone test method)NC-v4.1 EQc4: Indoor air quality assessmentposted by John Smith on May 19, 2020, 2:21 pm
Greetings all. According to the guide, the allowed test methods for ozone are: - Monitoring device with accuracy greater than 5 ppb or reading and resolution (5 min average... Last reply: Robert Cashins, May 8, 2025, 11:09 am |
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Are there any Sunset Dates for v4.0 (since v4.1 is now active)? 2QsLEED v4.1 Discussion Forumposted by Jenni Betancourt on Mar 23, 2020, 3:06 pm
I have a very large project that will not start construction until 2022 or 2023 and it will be under construction for several years. I therefore want to be careful about sunset... Last reply: Emily Purcell, May 8, 2025, 10:07 am |
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How many CO2 Sensors do I need to place in occupied large space?NC-2009 IEQc1: Outdoor Air Delivery Monitoringposted by Mamun Ferdaus on Oct 30, 2015, 3:58 am
we have a project of around 20,000 sft and floor height 14 ft. its a textile project. 210 people work there. the space is ventilated by evaporative cooling system. how many... Last reply: Claudiu Jipa, May 8, 2025, 7:58 am |
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LEED v4.1 Option 2 for LEED v4 compliance Electric vehiclesNC-v4 LTc8: Green vehiclesposted by Erik Heuler on May 7, 2025, 3:34 pm
There are some differences between LEED v4 and v4.1 requirements for Electric Vehicle charging. Does anyone know if Option 2 in v4.1 (EV ready infrastructure) can be used as an... Last reply: Summer Minchew, May 7, 2025, 5:26 pm |
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Minimum Airquality Performance Mechanical Ventilation of Staircase and Elevator LandingNC-v4 EQp1: Minimum indoor air quality performanceposted by Francesco Emanuele Contaldo on May 7, 2025, 10:28 am
Hi everyone and thanks in advance for your attention and support. |
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Clarification on Conducting L&T Surveys in Residential BuildingsEBOM-v4 LTc1: Alternative Transportationposted by Wafa Arif on Mar 25, 2025, 4:59 am
Dear All, I am executing a residential project pursuing LEED O&M v4: Multifamily, where we need to conduct the location and transportation survey, as well as the occupant comfort... Last reply: Wafa Arif, May 7, 2025, 8:12 am |
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MERV 13 Filter for ERVNC-v4 EQc1: Enhanced indoor air quality strategiesposted by Anne L on Mar 30, 2020, 6:00 am
We have a multifamily residential project which will have a stand alone ERV per unit, does anybody know if we need to install... Last reply: Sonali Rawat, May 7, 2025, 2:10 am |
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Reporting Renewable Energy Savings in Energy Model vs. Renewable Energy Section (LEED v4 energy update)NC-v4 EAc5: Renewable energy productionposted by Anurag Ghosh on May 3, 2025, 2:36 am
Hi all, I’m working on a LEED v4 energy update project utilizing multiple... Last reply: Marcus Sheffer, May 6, 2025, 2:20 pm |
