Clean Air Building Certificate

Space Type: BOS-School
Establishment Name: McKinley South End Acad
Address: address
City: Boston
State / Province: MA
Country: USA
Date: 03/21/2021
Data Source: School District
Performed by: External Company
Company Name Address Contact: Cashins & Associates, Inc. 599 North Ave #8, Wakefield, MA 01880
Requirement Source: Boston School 3 ACH guideline

Technology: Natural Ventilation Windows and Limited Univent HVAC
Min ACH: 5.1 Max ACH: 6.7 Avg ACH: 5.9 eACH: 0
Filter MERV:
Percent Outside Air: 77.2
ON and Ventilates Entire Indoor Area: Yes
Vent Clearance min 6 ft: Yes
No of Rooms: 8 sqft: 1142 cuft: 11420 No of Buildings: 1

Comments: Source Boston School District March 18, 2021. https://www.bostonpublicschools.org/Page/8463 . https://drive.google.com/file/d/1bzam7XeMQDjjv7Og_86PS41K78hBEOfT/view . assumed 10ft ceiling. wACH windows provided in dataset. Calculated wACH from measured CFM rates in dataset do not match. Differences due to errors. Did not use calculated wACH.

Room 211. % Outside air 61. Calculated air volume (cfm) outside 416. Calculated air volume (cfm) return 261. Combined air volume (cfm) 677. ACH outside 3.3. ACH merv filter return air 2.0. ACH total 5.3. ACH Copy paste check (uses total or outside) 3.3.

Room 201. % Outside air 93. Calculated air volume (cfm) outside 609. Calculated air volume (cfm) return 43. Combined air volume (cfm) 652. ACH outside 4.8. ACH merv filter return air 0.3. ACH total 5.1. ACH Copy paste check (uses total or outside) 4.8.

Room 103. % Outside air 77. Calculated air volume (cfm) outside 605. Calculated air volume (cfm) return 164. Combined air volume (cfm) 789. ACH outside 4.7. ACH merv filter return air 1.3. ACH total 6.2. ACH Copy paste check (uses total or outside) 4.7.

Room 108. % Outside air 77. Calculated air volume (cfm) outside 540. Calculated air volume (cfm) return 163. Combined air volume (cfm) 703. ACH outside 4.2. ACH merv filter return air 1.3. ACH total 5.5. ACH Copy paste check (uses total or outside) 4.2.

Room 113. % Outside air 80. Calculated air volume (cfm) outside 561. Calculated air volume (cfm) return 137. Combined air volume (cfm) 698. ACH outside 4.4. ACH merv filter return air 1.1. ACH total 5.5. ACH Copy paste check (uses total or outside) 4.4.

Room 114. % Outside air 94. Calculated air volume (cfm) outside 611. Calculated air volume (cfm) return 36. Combined air volume (cfm) 847. ACH outside 4.8. ACH merv filter return air 0.3. ACH total 6.6. ACH Copy paste check (uses total or outside) 4.8.

Room 109. % Outside air 82. Calculated air volume (cfm) outside 687. Calculated air volume (cfm) return 155. Combined air volume (cfm) 842. ACH outside 5.4. ACH merv filter return air 1.2. ACH total 6.6. ACH Copy paste check (uses total or outside) 5.4.

Room 107A. % Outside air 32. Calculated air volume (cfm) outside 210. Calculated air volume (cfm) return 447. Combined air volume (cfm) 657. ACH outside 1.1. ACH merv filter return air 2.3. ACH total 3.5. ACH Copy paste check (uses total or outside) 1.1.

In the wake of the COVID-19 disaster many are calling for a paradigm shift in how citizens and government officials think about the quality of the air we breathe indoors. This Clean Air Certificate lets you know that those who operate this building are thinking about the air that we breathe in this building. They have disclosed the ventilation performance of this building so that we all become educated and we never have another indoor infection disaster again.

Serial Number: CAB-1708-05152025
Not valid without serial number.


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