F6 THERMAL COMFORT 1 precondition

Question 1

Thermal comfort - how many and which preconditions?

Answer 1

P Thermal Performance

Provide a thermal environment that the majority of building users find acceptable.

Question 2

Thermal comfort greatly influences our experiences in the places where we live and work and is one of the highest contributing factors influencing overall human satisfaction in buildings impacting individual levels of (4)

Its influence on (3) systems

Answer 2

motivation, alertness, focus, and mood.

The integumentary, endocrine, and respiratory system.

Question 3

Employees perform on average ?? % poorer in hot conditions and on average $$% poorer in cold conditions

Overly warm and cold indoor spaces are linked to (define different health problems for both 5+2)

Answer 3

15% /14 %

HOT linked to increases in sick building syndrome symptoms, irregular heart rate, respiratory issues, fatigue and negative mood.

COLD linked to increased effort and work towards maintaining proper posture and increased risk for chronic issues related to musculoskeletal health

Question 4

Mechanically conditioned space will be satisfied with the thermal environment based on six core parameters:

Answer 4

air temperature, humidity, air movement,

mean radiant temperature of surrounding surfaces, metabolic rate and clothing insulation

Question 5

P1 Thermal performance 
part 1 (+3 options)

Answer 5

Part 1
Provide Acceptable Thermal Environment

Option 1: Performance verified environmental conditions

(mech.cond. PMV +/-0.5° 90% hours&spaces /
naturally conditioned tpma out 17-26°C
mixed mode-both)

Option 2: Long-term thermal data (T06)

humidity 6months/ PMV / dry temp 21-25 for 90% of hours/ air velocity 0.2 m/s at 1.7 m above the floor.

Option 3: Thermal comfort surveys (T02)
min 2 pts in T02

PMV predicted mean vote- ) model stands among the most recognized thermal comfort models
Prevailing Mean Outdoor Temperature, tpma(out)

Question 6

Thermal performance P - part 2 (+2 options)

Answer 6

Part 2
Monitor Thermal Parameters

Option 1: Annual testing (dry-bulb temperature, relative humidity, air speed/ 2 per year /PVG

Option 2: Continuous monitoring (T06 Thermal Comfort Monitoring)

Question 7

Thermal Performance P
Part 1
Provide Acceptable Thermal Environment For Commercial Kitchen Spaces
The following requirement is met: The operative temperature in the kitchen does not exceed ?? °C

Answer 7

The operative temperature in the kitchen does not exceed 27 °C.

Question 8

Thermal concept- how many and which optimizations

Answer 8

(6)

Feature T02  Verified Thermal Comfort
Feature T03  Thermal Zoning
Feature T04  Individual Thermal Control
Feature T05  Radiant Thermal Comfort
Feature T06  Thermal Comfort Monitoring
Feature T07  Humidity Control

Question 9

Thermal concept- how many and which beta features

Answer 9

(2)

Feature T08 Optimization
β Enhanced Operable Windows

Feature T09 Optimization
β Outdoor Thermal Comfort

Question 10

Feature T02 Optimization
Verified Thermal Comfort

Enhance thermal comfort and promote human productivity, by ensuring that a substantial majority of building users (above 80%) perceive their environment as thermally acceptable

part 1

Answer 10

Part 1
Survey for Thermal Comfort (Max: 3 points)
For All Spaces

regular occupants (less than 20 /80%, entro 45- 15, more 35% of occup) / 2 per year/ 80% (90% 3 pts) 
appendix sample or c04 / min 6 months post occupancy)

Question 11

T03 Thermal Zoning

Enhance thermal control of building occupants through the provision of thermal zones.
part 1

Answer 11

Part 1
Provide Thermostat Control (Max: 2 points)

90% occ.space

thermal zones (60mq/10 occupants or 30m/5)
accessible manual thermostat &digital interface

positioning of temperature sensors 1 m away

Question 12

Indoor air temperature can be influenced by a number of factors, including the (7)

Answer 12

building physics and orientation, 
building location and structure, 
occupant density, 
ventilation strategy and 
mode of operation.

Question 13

Feature T04 Optimization
Individual Thermal Control

3 parts

Answer 13

Part 1
Provide Personal Cooling Options
(user-adjustable thermostat, desk fan, cooling chair..-without influencing others)

Part 2
Provide Personal Heating Options
(thermostat/blankets/e-heaters+chair)

Part 3
Allow Flexible Dress Code

Question 14

thermal comfort standard

Answer 14

ASHRAE 55

Question 15

major secondary factors of thermal comfort

Answer 15

age, sex, health condition, personal thermal adaptation, and thermal history, including climatological origin,

temperament, preferences, social and cultural norms, and seasonal variation

Question 16

T05 Radiant Thermal Comfort

Maximize volume of the space, reduce dust transmission, improve ventilation control and increase thermal comfort by incorporating radiant heat and cooling systems into the building design.
2 parts

Answer 16

Part 1 & 2
Implement Radiant Heating & cooling

min 50 % of occ. area- Radiant ceilings, walls or floors, radiant panels (min 50% of the wall/ceil.)

Question 17

T06 Thermal Comfort Monitoring

Monitor and effectively address unacceptable thermal comfort conditions and inform building managers and users of the thermal comfort parameters of their indoor environment.
3 parts

Answer 17

Part 1
Monitor Thermal Environment (1 point)

1: Thermal comfort monitors
(sensors dry-bulb temperature and relative humidity, 325 mq, 15 min, 1-1.7 m abv floor)

2: Reporting & maintenance
(annual report/ 3yrs sensor calibration)

3: Environmental measures display
( each 325 m2 display or sign )

Question 18

T07 Optimization Humidity Control

Limit the growth of pathogens, reduce off-gassing and maintain thermal comfort by providing the appropriate level of humidity.

part 1 - 3 options

Answer 18

Part 1
Manage Relative Humidity (1 point)

Option 1: Mechanical humidity control
maintaining relative humidity between 30% and 60% at all times

Option 2: Humidity modeling
(98% business hours)

Option 3: Long-term humidity data - Feature T06
Humidity data 30-60 / 98 BH last 6 months

Question 19

Warm and humid indoor spaces are also associated with

Answer 19

mold and fungal growth,
accumulation and growth of microbial pathogens, including bacteria and dust mites
which can lead to
odors and
cause respiratory irritation and allergies
in sensitive individuals.

Question 20

cold and dry spaces can lead

Answer 20

discomfort and irritation of the airways, skin, eyes, throat, and mucous membranes and facilitate the spread of the influenza virus.

Question 21

PT01 Thermal performance

two parts

Answer 21

Part 1
Provide Acceptable Thermal Environment

Part 2
Monitor Thermal Parameters