Energy & Atmosphere

Question 1

What are the 4 prerequisites for EA category?

Answer 1

1. Fundamental commissioning of building energy systems
2. Minimum energy performance
3. Building-level energy monitoring
4. Fundamental refrigerant management

Question 2

What is commissioning?

Answer 2

The process of verifying and documenting that a building and all its system and assemblies are planned, designed, installed, tested, operated, and maintained to meet owner’s project requirement (OPR)

Question 3

What is HVAC&R?

Answer 3

Heating, Ventilating, Air Conditioning, and Refrigeration

Question 4

What is the average payback and typical cost of commissioning new buildings?

Answer 4

Payback 4.8 years

Typical cost $1/sq ft

Question 5

What is the average payback of retro-commissioning, median cost, and its function?

Answer 5

Average payback 0.7 years
Median cost $0.27/ sqft
For commissioning existing building

Question 6

What are the 4 benefits of Commissioning Agent CxA?

Answer 6

1. Minimize or eliminate design flaws
2. Avoid construction defects
3. Avoid equipment malfunction
4. Ensure preventative maintenance is implemented during operations

Question 7

What is the standard baseline of energy performance?

Answer 7

ASHRAE 90.1-2010

Question 8

The International Green Construction Code (IGCC) includes what as an alternative compliance path for energy standard?

Answer 8

ASHRAE 189.1

Question 9

A study by New Buildings Institute says that LEED certified buildings use how much less energy?

Answer 9

24%

Question 10

What are building envelopes?

Answer 10

Walls, roofs, windows, and floor

Question 11

What factors are affecting energy performance, demands, and requirements?

Answer 11

1. Site conditions, such as heat island reduction
2. Building orientation
3. Water requirements for heating and cooling
4. Roof design, SRI level
5. Building envelope thermal performance
6. Light fixture types
7. Generating onsite renewable energy
8. Commissioning a building
9. Educating occupants

Question 12

What does passive design capitalize on?

Answer 12

Radiation, conduction, absorption, convection

Question 13

What are the uses of Regulates Energy?

Answer 13

1. Lighting - interior & exterior
2. HVAC
3. Service water for domestic and space heating purpose

Question 14

What are the uses of Process Energy?

Answer 14

Computers, office equipment, kitchen refrigeration, cooking, washing & drying machines, elevator & escalator, lighting power allowance integrated into equipmet

Question 15

What base are refrigerants evaluated on?

Answer 15

ODP Ozone Depletion Potential

GWP Global Warming Potential

Question 16

CFC & HCFC

Answer 16

CFC Cholofluoro Carbons, totally prohibited

HCFC Hydrochlorofluoro Carbons, to be phased out according to Montreal Protocol

Question 17

What is HFC?

Answer 17

Hydrofluoro Carbon, has GWP but no ODP

Question 18

What is the average rating of ENERGY STAR Portfolio Manager?

Answer 18

50

Question 19

What is the average rating of LEED certified buildings on ENERGY STAR Portfolio Manager?

Answer 19

68

Question 20

What are the 4 strategies to satisfy Energy Demand?

Answer 20

1. Establish design and energy goals
2. Size the building appropriately
3. Use free energy
4. Insulate

Question 21

Energy standard for LEED EA category beside ASHRAE 90.1

Answer 21

California’s Title 24

Question 22

What are the 4 components of the EA category?

Answer 22

1. Energy demand
2. Energy efficiency
3. Renewable energy
4. Ongoing energy performance

Question 23

What is another name of Demand Response (DR) event?

Answer 23

Curtailment Event

Question 24

What is Demand Response (DR)?

Answer 24

Encourage electricity customers to reduce usage during the peak hours. Helping utilities to optimize supply-side, energy generation and delivery system

Question 25

What are the unit measurements of energy?

Answer 25

Electricity - kw/h Natural gas - therms Liquid fuel - gallons

Question 26

How is the majority of building's energy being used for?

Answer 26

Space heating and lighting

Question 27

What are the 6 strategies to address energy efficiency?

Answer 27

1. Address the envelope 2. Install high-performance mechanical system 3. Use high-efficient infrastructure and traffic signals 4. Capture efficiencies of scale 5. Use energy simulation 6. Monitor and verify performance

Question 28

What is the right way of doing energy simulation?

Answer 28

Model the whole building with regulated energy uses

Question 29

What is efficiencies of scale?

Answer 29

District system heating and cooling, instead of each building

Question 30

What is high performance mechanical systems and appliances?

Answer 30

Determine the trade-offs of the up-front costs ba the operating costs by conducting a life-cycle cost analysis

Question 31

What are the 2 strategies to address renewable energy and reduce the use of fossil fuels?

Answer 31

1. Generate on-site renewable energy | 2. Purchase green power or Renewable Energy Credits (REC) - tradable commodities

Question 32

How can building owners purchase green energy?

Answer 32

From a Green-e certified provider

Question 33

What are the 6 types of renewable energy sources?

Answer 33

Photovoltaic panels, wind turbines, geothermal, biomass, low-impact hydropower

Question 34

What are the 4 ways to ensure optimal energy performance of a LEED-certified project?

Answer 34

1. Adhere to the OPR 2. Provide staff training 3. Conduct preventative maintenance 4. Create incentives for occupants and tenants

Question 35

4 sequential steps to reduce energy use within the projects:

Answer 35

1. Reduce demand 2. Employ means to use energy efficiently 3. Assess renewable energy opportunities on and off site 4. Monitor use to ensure that the building is operating and maintained accordingly

Question 36

What category is mostly emphasized by LEED rating system?

Answer 36

Energy & Atmosphere