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American Aldes Aldes SIP Ventilation Design Guide

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    							Section 3       Page 31
TYPICAL VENTILATION SCENARIOS IN SINGLE- AND MULTI-FAMILY HOMES: ZONE 2
• SCENARIO #1 EXISTING CONDITIONS
Central Ventilation System: No
Central AC/Heat: No  
Recommended Ventilation Modifications
OPTION A   
Zone 2A – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) to provide general 
ventilation.  Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . 
Ensure the system is balanced and the airflow is regulated by using Zone Register Terminals 
(ZRT), Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Energy Recovery Kits in Appendix I, Table A-4. 
Zone 2B – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) or Heat Recovery 
Ventilator (VZ-IAQ-HRV) to provide general ventilation. Duct to bathrooms and kitchen  if there 
is no local ventilation already in place .  Ensure  the  system  is  balanced  and  the  airflow  is 
regulated  by  using  Zone  Register  Terminals  (ZRT),  Constant  Airflow  Regulators,  (CAR)  or 
balancing dampers.
See VentZone
® IAQ with Heat & Energy Recovery Kits in Appendix I, Tables A-3 and A-4.
OPTION B  
Zone 2A or 2B – Install a fully ducted supply ventilation system (IAQ-BVS, IAQ-DSVS, IAQ-
FSVS) to provide continuous supply ventilation. If bathroom and kitchen fans are not already 
in place, install an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation 
requirements. Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Supply Ventilation  – See Ventergy
® Series Continuous Duty 
IAQ Ventilation Kits in Appendix I, Tables A-6, A-7, and A-8.
Zone 2B  – Install a fully ducted exhaust ventilation system (VZ-IAQ or IAQ-MPVS) to provide 
general continuous exhaust ventilation. If bath and kitchen fans are not already in place, install 
an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation requirements. 
Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Exhaust Ventilation  – See VentZone
® IAQ Continuous Exhaust 
Ventilation Kits in Appendix I, Table A-2 and Ventergy® Series Continuous Duty IAQ Ventilation 
Kits in Appendix 1, Table A-5.
Local Exhaust – See VZ, SBFK, and MBFK in Appendix I, Tables A-9, A-10, and A-11.
•  SCENARIO #2 EXISTING CONDITIONS
Central Ventilation System: Yes
Central AC/Heat: No  
 
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    							Section 3       Page 32
        Recommended Ventilation Modifications
Ensure the existing ventilation system provides whole-house continuous ventilation, and that 
local exhaust ventilation meets recommended airflow rates. If not: 
OPTION A   
Zone 2A – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) to provide general 
ventilation.  Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . 
Ensure the system is balanced and the airflow is regulated by using Zone Register Terminals 
(ZRT), Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Energy Recovery Kits in Appendix I, Table A-4. 
Zone 2B – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) or Heat Recovery 
Ventilator (VZ-IAQ-HRV) to provide general ventilation. Duct to bathrooms and kitchen  if there 
is no local ventilation already in place .  Ensure  the  system  is  balanced  and  the  airflow  is 
regulated  by  using  Zone  Register  Terminals  (ZRT),  Constant  Airflow  Regulators  (CAR),  or 
balancing dampers.
See VentZone
® IAQ with Heat & Energy Recovery Kits in Appendix I, Tables A-3 and A-4.
OPTION B   
Zone 2A or 2B – Install a fully ducted supply ventilation system (IAQ-BVS, IAQ-DSVS, IAQ-
FSVS) to provide continuous supply ventilation. If bathroom and kitchen fans are not already 
in place, install an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation 
requirements. Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Supply Ventilation  – See Ventergy
® Series Continuous Duty 
IAQ Ventilation Kits in Appendix I, Tables A-6, A-7, and A-8.
Zone 2B  – Install a fully ducted exhaust ventilation system (VZ-IAQ or IAQ-MPVS) to provide 
general continuous exhaust ventilation. If bathroom and kitchen fans are not already in place, 
install an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation requirements. 
Regulate airflow with Continuous Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Exhaust Ventilation  – See VentZone
® IAQ Continuous Exhaust 
Ventilation Kits in Appendix I, Table A-2 and Ventergy® Series Continuous Duty IAQ Ventilation 
Kits in Appendix 1, Table A-5.
Local Exhaust – See VZ, SBFK, and MBFK in Appendix I, Tables A-9, A-10, and A-11.
•  SCENARIO #3 EXISTING CONDITIONS
Central Ventilation System: No
Central AC/Heat: Yes   
  
 
Recommended Ventilation Modifications
Ensure the existing ventilation system provides whole-house continuous ventilation, and that 
local exhaust ventilation meets recommended airflow rates. If not:
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    							Section 3       Page 33
OPTION A  
Zone 2A – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) to provide general 
ventilation. Alternately,  duct  the  supply  air  from  the  ERV  to  the  return  of  the AHU.  This  will 
result in higher operating costs due to the AHU needing to run continuously.  
Duct  to  bathrooms  and  kitchen  if  no  local  ventilation  is  in  place.  Ensure  the  system  is 
balanced,  and  the  airflow  is  regulated  by  using  Zone  Register  Terminals  (ZRT),  Constant 
Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Energy Recovery Kits in Appendix I, Table A-4.
Zone 2B – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) or Heat Recovery 
Ventilator (VZ-IAQ-HRV) to provide general ventilation. Alternately, duct the supply air from 
the air exchanger to the return of the AHU. This will result in higher operating costs due to the 
AHU needing to run continuously.  
Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . Ensure the 
system  is  balanced  and  the  airflow  is  regulated  by  using  Zone  Register  Terminals  (ZRT), 
Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Heat & Energy Recovery Kits in Appendix I, Tables A-3 & A-4.
OPTION B
Zone 2A or 2B – Install a fully ducted supply ventilation system (IAQ-BVS, IAQ-DSVS, IAQ-
FSVS) to provide continuous supply ventilation. Alternately, duct the supply air from the 
ventilator  to  the  return  of  the AHU. This  will  result  in  higher  operating  costs  due  to  the AHU 
needing to run continuously.  
If bathroom and kitchen fans are not already in place, install an intermittent exhaust system 
(VZ,  SBFK,  MBFK)  to  meet  local  ventilation  requirements.  Regulate  airflow  with  Constant 
Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Supply Ventilation  – See Ventergy
® Series Continuous Duty 
IAQ Ventilation Kits in Appendix I, Tables A-6, A-7, and A-8.
Zone 2B  – Install a fully ducted exhaust ventilation system (VZ-IAQ or IAQ-MPVS) to provide 
continuous exhaust ventilation. If bathroom and kitchen fans are not already in place, install 
an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation requirements.  
Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Exhaust Ventilation  – See VentZone
® IAQ Continuous Exhaust 
Ventilation Kits in Appendix I, Table A-2 and Ventergy® Series Continuous Duty IAQ Ventilation 
Kits in Appendix 1, Table A-5.
Local Exhaust – See VZ, SBFK, and MBFK in Appendix I, Tables A-9, A-10, and A-11.
   
•  SCENARIO #4 EXISTING CONDITIONS
Central Ventilation System: Yes
Central AC/Heat: Yes   
  
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    							Section 3       Page 34
        Recommended Ventilation Modifications
Ensure the existing ventilation system provides whole-house continuous ventilation, and the 
local exhaust ventilation meets recommended airflow rates. If not: 
OPTION A 
Zone 2A –  Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) to provide general 
ventilation. Alternately,  duct  the  supply  air  from  the  ERV  to  the  return  of  the AHU.  This  will 
result in higher operating costs due to the AHU needing to run continuously.  
Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . Ensure the 
system  is  balanced  and  the  airflow  is  regulated  by  using  Zone  Register  Terminals  (ZRT), 
Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Energy Recovery Kits in Appendix I, Table A-4.
Zone 2B –  Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) or Heat Recovery 
Ventilator (VZ-IAQ-HRV) to provide general ventilation. Alternately, duct the supply air from 
the air exchanger to the return of the AHU. This will result in higher operating costs due to the 
AHU needing to run continuously.  
Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . Ensure the 
system  is  balanced  and  the  airflow  is  regulated  by  using  Zone  Register  Terminals  (ZRT), 
Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Heat & Energy Recovery Kits in Appendix I, Tables A-3 and A-4.
OPTION B
Zone 2A or 2B  – Install a fully ducted supply ventilation system (IAQ-BVS, IAQ-SVS, IAQ-
FSVS) to provide continuous supply ventilation. Alternately, duct the supply air from the 
ventilator  to  the  return  of  the AHU. This  will  result  in  higher  operating  costs  due  to  the AHU 
needing to run continuously.  
If bathroom and kitchen fans are not already in place, install an intermittent exhaust system 
(VZ,  SBFK,  MBFK)  to  meet  local  ventilation  requirements.  Regulate  airflow  with  Constant 
Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Supply Ventilation  – See Ventergy
® Series Continuous Duty 
IAQ Ventilation Kits in Appendix I, Tables A-6, A-7, and A-8.
Zone 2B  – Install a fully ducted exhaust ventilation system (VZ-IAQ or IAQ-MPVS) to provide 
continuous exhaust ventilation. If bathroom and kitchen fans are not already in place, install 
an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation requirements. 
Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Exhaust Ventilation  – See VentZone
® IAQ Continuous Exhaust 
Ventilation Kits in Appendix I, Table A-2 and Ventergy® Series Continuous Duty IAQ Ventilation 
Kits in Appendix 1, Table A-5.
Local Exhaust – See VZ, SBFK, and MBFK in Appendix I, Tables A-9, A-10, and A-11.
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    							Section 3       Page 35
3.3 DESIGN RECOMMENDATIONS: CLIMATE ZONE 3
Climate Zone 3A, Warm/Humid – Mixed, humid climates experience all four seasons, but season length 
and extremity vary by location. These regions receive more than 20 inches of rain annually. The average 
winter temperature typically drops below 45°F. Summers can be extremely hot and humid. Many of these 
regions will experience some snowfall and icing during winter months.
Thermal Criteria: 4500 < CDD50°F ≤ 6300*
*CDD = Cooling Degree Days
Zone 
3A
Dry (B) Moist (A)
Warm-
Humid
Marine 
(C)
Recommended Ventilation Solutions for Climate Zone 3A
VZ-IAQ-ERV                                  
See Appendix  I, Table A-4 IAQ-BVS                                  
See Appendix  I, Table A-8 IAQ-DSVS                                        
See Appendix  I, Table A-7 IAQ-FSVS     
                                    
See Appendix  I, Table A-6
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    							Section 3       Page 36
Climate Zone 3B, Warm/Dry – Mixed, dry climates experience seasonal temperature variations and 
typically experience all four seasons. Season length and extremity vary \
by location. These regions 
typically receive less than 20 inches of rain annually. 
Thermal Criteria: 4500 < CDD50°F ≤ 6300*
*CDD = Cooling Degree Days
Zone 
3B
Dry (B) Moist (A)
Warm-
Humid
Marine 
(C)
Recommended Ventilation Solutions for Climate Zone 3B
VZ-IAQ-ERV                                  
See Appendix  I, Table A-4 IAQ-BVS                                  
See Appendix  I, Table A-8 IAQ-DSVS                                        
See Appendix  I, Table A-7 IAQ-FSVS     
                                    
See Appendix  I, Table A-6
VZ-IAQ-HRV                                  
See Appendix  I, Table A-1 VZ-IAQ                                     
See Appendix  I, Table A-2 IAQ-MPVS                                        
See Appendix  I, Table A-5
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    							Section 3       Page 37
Climate Zone 3C, Warm/Marine – Temperate climates found on the coast. These areas typically do not 
have extreme seasons. Temperatures remain relatively mild year-round due to the high heat capacity of 
water. Marine climates only experience two seasons, summer and winter. Summer months are dry, while 
winter can be very wet. To be considered a marine climate, 65% of annual total rainfall must occur in less 
than six months of the year. These climates are generally humid, but moisture and precipitation levels 
can vary greatly by location.
Thermal Criteria: CDD50°F ≤ 4500 and HDD65°F ≤ 3600*
*CDD = Cooling Degree Days, HDD = Heating Degree Days
Zone 3C
Dry (B) Moist (A)
Warm-
Humid
Marine 
(C)
Recommended Ventilation Solutions for Climate Zone 3C
VZ-IAQ-ERV                                  
See Appendix  I, Table A-4 IAQ-BVS                                  
See Appendix  I, Table A-8 IAQ-DSVS                                        
See Appendix  I, Table A-7 IAQ-FSVS     
                                    
See Appendix  I, Table A-6
VZ-IAQ                                     
See Appendix  I, Table A-2 IAQ-MPVS                                        
See Appendix  I, Table A-5
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    							Section 3       Page 38
TYPICAL VENTILATION SCENARIOS IN SINGLE- AND MULTI-FAMILY HOMES: ZONE 3
• SCENARIO #1 EXISTING CONDITIONS
Central Ventilation System: No
Central AC/Heat:  No
  
Recommended Ventilation Modifications
OPTION A 
Zone 3A – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) to provide general 
ventilation.  Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . 
Ensure the system is balanced and the airflow is regulated by using Zone Register Terminals 
(ZRT), Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Energy Recovery Kits in Appendix I, Table A-4.
Zone 3B – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) or Heat Recovery 
Ventilator (VZ-IAQ-HRV) to provide general ventilation. Duct to bathrooms and kitchen  if there 
is no local ventilation already in place .  Ensure  the  system  is  balanced  and  the  airflow  is 
regulated  by  using  Zone  Register  Terminals  (ZRT),  Constant  Airflow  Regulators  (CAR),  or 
balancing dampers.
See VentZone
® IAQ with Heat & Energy Recovery Kits in Appendix I, Tables A-3 and A-4.
Zone 3C – Install a fully ducted Heat Recovery Ventilator (VZ-IAQ-HRV) to provide general 
ventilation.  Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . 
Ensure the system is balanced and the airflow is regulated by using Zone Register Terminals 
(ZRT), Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Heat Recovery Kits in Appendix I, Table A-3.  
OPTION B 
Zone 3A, 3B & 3C – Install a fully ducted supply ventilation system (IAQ-BVS, IAQ-DSVS, 
IAQ-FSVS) to provide continuous supply ventilation. If bath and kitchen fans are not already 
in place, install an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation 
requirements. Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Supply Ventilation  – See Ventergy
® Series Continuous Duty 
IAQ Ventilation Kits in Appendix I, Tables A-6, A-7, and A-8.
Zone 3B & 3C  – Install a fully ducted exhaust ventilation system (VZ-IAQ or IAQ-MPVS) 
to  provide  continuous  exhaust  ventilation.  If  bathroom  and  kitchen  fans  are  not  already  in 
place, install an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation 
requirements. Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Exhaust Ventilation  – See VentZone
® IAQ Continuous Exhaust 
Ventilation Kits in Appendix I, Table A-2 and Ventergy® Series Continuous Duty IAQ Ventilation 
Kits in Appendix 1, Table A-5.
Local Exhaust – See VZ, SBFK, and MBFK in Appendix I, Tables A-9, A-10, and A-11.
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    							Section 3       Page 39
• SCENARIO #2 EXISTING CONDITIONS
Central Ventilation System: Yes
Central AC/Heat:  No
  
 
Recommended Ventilation Modifications
Ensure the existing ventilation system provides whole-house continuous ventilation, and that 
local exhaust ventilation meets recommended airflow rates. If not:
OPTION A 
Zone 3A – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) to provide general 
ventilation.  Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . 
Ensure the system is balanced and the airflow is regulated by using Zone Register Terminals 
(ZRT), Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Energy Recovery Kits in Appendix I, Table A-4.
Zone 3B – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) or Heat Recovery 
Ventilator (VZ-IAQ-HRV) to provide general ventilation. Duct to bathrooms and kitchen  if there 
is no local ventilation already in place .  Ensure  the  system  is  balanced  and  the  airflow  is 
regulated  by  using  Zone  Register  Terminals  (ZRT),  Constant  Airflow  Regulators  (CAR),  or 
balancing dampers.
See VentZone
® IAQ with Heat & Energy Recovery Kits in Appendix I, Tables A-3 and A-4.
Zone 3C – Install a fully ducted Heat Recovery Ventilator (VZ-IAQ-HRV) to provide general 
ventilation.  Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . 
Ensure the system is balanced and the airflow is regulated by using Zone Register Terminals 
(ZRT), Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Heat Recovery Kits in Appendix I, Table A-3.
OPTION B  
Zone 3A, 3B & 3C – Install a fully ducted supply ventilation system (IAQ-BVS, IAQ-DSVS, 
IAQ-FSVS) to provide continuous supply ventilation. If bath and kitchen fans are not already 
in place, install an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation 
requirements. Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Supply Ventilation  – See Ventergy
® Series Continuous Duty 
IAQ Ventilation Kits in Appendix I, Tables A-6, A-7, and A-8.
Zone 3B & 3C – Install a fully ducted exhaust ventilation system (VZ-IAQ or IAQ-MPVS) to 
provide continuous exhaust ventilation. If bath and kitchen fans are not already in place, install 
an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation requirements. 
Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Exhaust Ventilation  – See VentZone
® IAQ Continuous Exhaust 
Ventilation Kits in Appendix I, Table A-2 and Ventergy® Series Continuous Duty IAQ Ventilation 
Kits in Appendix 1, Table A-5.
Local Exhaust – See VZ, SBFK, and MBFK in Appendix I, Tables A-9, A-10, and A-11.
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    							Section 3       Page 40
• SCENARIO #3 EXISTING CONDITIONS
Central Ventilation System: No
Central AC/Heat: Yes
  
 
Recommended Ventilation Modifications
Ensure the existing ventilation system provides whole-house continuous ventilation, and that 
local exhaust ventilation meets recommended airflow rates. If not: 
OPTION A  
Zone 3A – Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) to provide general 
ventilation.  Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . 
Ensure the system is balanced and the airflow is regulated by using Zone Register Terminals 
(ZRT), Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Energy Recovery Kits in Appendix I, Table A-4.
Zone 3B –  Install a fully ducted Energy Recovery Ventilator (VZ-IAQ-ERV) or Heat Recovery 
Ventilator (VZ-IAQ-HRV) to provide general ventilation. Duct to bathrooms and kitchen  if there 
is no local ventilation already in place .  Ensure  the  system  is  balanced  and  the  airflow  is 
regulated  by  using  Zone  Register  Terminals  (ZRT),  Constant  Airflow  Regulators  (CAR),  or 
balancing dampers.
See VentZone
® IAQ with Heat & Energy Recovery Kits in Appendix I, Tables A-3 and A-4.
Zone 3C – Install a fully ducted Heat Recovery Ventilator (VZ-IAQ-HRV) to provide general 
ventilation.  Duct  to  bathrooms  and  kitchen  if there is no local ventilation already in place . 
Ensure the system is balanced and the airflow is regulated by using Zone Register Terminals 
(ZRT), Constant Airflow Regulators (CAR), or balancing dampers.
See VentZone
® IAQ with Heat Recovery Kits in Appendix I, Table A-3.
OPTION B 
Zone 3A, 3B & 3C – Install a fully ducted supply ventilation system (IAQ-BVS, IAQ-DSVS, IAQ-
FSVS) to provide continuous supply ventilation. If bathroom and kitchen fans are not already 
in place, install an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation 
requirements. Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Supply Ventilation  – See Ventergy
® Series Continuous Duty 
IAQ Ventilation Kits in Appendix I, Tables A-6, A-7, and A-8.
Zone 3B & 3C  – Install a fully ducted exhaust ventilation system (VZ-IAQ or IAQ-MPVS) 
to  provide  continuous  exhaust  ventilation.  If  bathroom  and  kitchen  fans  are  not  already  in 
place, install an intermittent exhaust system (VZ, SBFK, MBFK) to meet local ventilation 
requirements. Regulate airflow with Constant Airflow Regulators (CAR) or balancing dampers.
Whole-House Continuous Exhaust Ventilation  – See VentZone
® IAQ Continuous Exhaust 
Ventilation Kits in Appendix I, Table A-2 and Ventergy® Series Continuous Duty IAQ Ventilation 
Kits in Appendix 1, Table A-5.
Local Exhaust – See VZ, SBFK, and MBFK in Appendix I, Tables A-9, A-10, and A-11.
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