About Us

Contact Us

Building Data Report

0. Space Type	BOS-School
1. Establishment Name	Sumner Charles Elem
2. Address	address
3. City	Boston
4. State / Province	MA
5. Country	USA
6. Date	03/21/2021
7. Data Source	School District
8. Performed by	External Company
9. Company Name Address Contact	Cashins & Associates, Inc. 599 North Ave #8, Wakefield, MA 01880
10. Requirement Source	Boston School 3 ACH guideline
11. Technology	Natural Ventilation Windows and Limited Univent HVAC
12. Min ACH	2.8
13. Max ACH	8.8
14. Avg ACH	4.7
15. eACH	0
16. Filter MERV
17. Percent Outside Air	83
18. ON and Ventilates Entire Indoor Area	Yes
19. Vent Clearance min 6 ft	Yes
20. No of Rooms	6
21. sqft	768
22. cuft	7680
23. No of Buildings	1
24. 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 109. % Outside air 83. Calculated air volume (cfm) outside 532. Calculated air volume (cfm) return 105. Combined air volume (cfm) 637. ACH outside 3.9. ACH merv filter return air 0.8. ACH total 4.7. ACH Copy paste check (uses total or outside) 3.9. Room 102. % Outside air 88. Calculated air volume (cfm) outside 455. Calculated air volume (cfm) return 63. Combined air volume (cfm) 518. ACH outside 3.3. ACH merv filter return air 0.5. ACH total 3.8. ACH Copy paste check (uses total or outside) 3.3. Room 201. % Outside air 100. Calculated air volume (cfm) outside 387. Calculated air volume (cfm) return 0. Combined air volume (cfm) 387. ACH outside 2.8. ACH merv filter return air 0.0. ACH total 2.8. ACH Copy paste check (uses total or outside) 2.8. Room 202. % Outside air 100. Calculated air volume (cfm) outside 694. Calculated air volume (cfm) return 0. Combined air volume (cfm) 694. ACH outside 4.9. ACH merv filter return air 0.0. ACH total 4.9. ACH Copy paste check (uses total or outside) 4.9. Room 209. % Outside air 42. Calculated air volume (cfm) outside 183. Calculated air volume (cfm) return 254. Combined air volume (cfm) 437. ACH outside 1.4. ACH merv filter return air 1.9. ACH total 3.3. ACH Copy paste check (uses total or outside) 1.2. Room 103. % Outside air 69. Calculated air volume (cfm) outside 400. Calculated air volume (cfm) return 180. Combined air volume (cfm) 580. ACH outside 3.1. ACH merv filter return air 1.4. ACH total 4.5. ACH Copy paste check (uses total or outside) 3.1.

Facility Panel