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EA-Optimize Energy Performance

NC-v4 EAp2: Minimum Energy Performance
posted by Irene Carreno Rodriguez on Apr 12, 2018, 8:00 pm

Hello,

We have an energy model for the building and are at 22% savings-9 points. My clients wants to confirm why the on site...

Last reply: Marcus Sheffer, May 15, 2018, 7:28 pm

HVAC Baseline System 8- with Purchased Chilled Water only

NC-v4 EAp2: Minimum Energy Performance
posted by Amgad Khattab on May 9, 2018, 7:01 am

We are working on a project where the selected baseline HVAC system type is 8 with purchased chilled water only from a district cooling plant. The Minimum Performance Calculator states that it is...

Last reply: Marcus Sheffer, May 14, 2018, 12:30 pm

Multifamily Setpoints and Equipment Load

NC-v4 EAp2: Minimum Energy Performance
posted by Cory Duggin on May 2, 2018, 2:06 pm

Are we required to use the equipment loads and setpoints from the Energy Star Multifamily High Rise Simulation Guidelines?  I found that it is referenced by LEED for Homes, but I haven't found it...

Last reply: Cory Duggin, May 4, 2018, 10:08 am

Losses through tank in HW loop

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Apr 23, 2018, 10:04 am

ASHRAE 90.1 states:

G3.1.3.6 Piping Losses losses shall not be modeled in either the proposed or baseline
building designs for hot water, chilled water, or steam piping.

What...

Last reply: Jean Marais, Apr 24, 2018, 1:42 am

Lighting controls

NC-v4 EAp2: Minimum Energy Performance
posted by Greenlab on Apr 20, 2018, 1:59 pm

Hello everyone,

I have a proposed building in which there are no daylight control systems for lighting. I implemented lighting using occupancy controls (schedules) in both baseline and...

Last reply: Marcus Sheffer, Apr 23, 2018, 11:40 am

Fuel in baseline when proposed design uses renewables for process energy

NC-v4 EAp2: Minimum Energy Performance
posted by Patrick Bivona on Apr 9, 2018, 5:28 pm

Hello,

I'm working on a garment factory which energy use is 95% process, steam more specifically. This steam is produced at 40% by a biomass boiler, fueled with agricultural waste. The...

Last reply: Scott Bowman, Apr 11, 2018, 3:52 pm

Alternative Complaince for large energy user

NC-v4 EAp2: Minimum Energy Performance
posted by Vipul Babriya on Mar 12, 2018, 12:19 pm

Hello,

We have a very large commercial kitchen facility with significantly large refrigeration load. The total refrigeration load is almost 70% of entire building energy use. As per ASHRAE...

Last reply: Jean Marais, Apr 11, 2018, 3:47 am

ASHRAE 90.1 Appendix G Fan Power Calculator

NC-v4 EAp2: Minimum Energy Performance
posted by Marcus Sheffer on Apr 5, 2018, 10:29 am

7group has updated their baseline fan power calculator to include ASHRAE 90.1-2010, 2013 and 2016 baseline fan power calculations. You can download it for free in the Documentation Toolkit tab....

Major renovation- new construction

NC-v4 EAp2: Minimum Energy Performance
posted by Maria Perzon on Apr 5, 2018, 8:47 am

What is the definition of major renovation for this credit?

Last reply: Marcus Sheffer, Apr 5, 2018, 10:07 am

90.1 2010: V4: Baseline Lighting Control

NC-v4 EAp2: Minimum Energy Performance
posted by Adrien Dumolard on Aug 3, 2016, 11:11 am

Hello,
I work on my first PRM.
In the 9.4.1.2 mandatory provisions, the standart say:
"The controlled lighting shall have at least one control step between 30% and 70% (...

Last reply: Marcus Sheffer, Apr 4, 2018, 9:31 am