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Addendum a (Deletes Section 4.4.7, relating to the labeling of transformers, in its entirety.)

Addendum b (Change to 6.2.1, Mechanical Equipment Efficiency, relates to the certification program for product performance verification.)

Addendum c (Change modifies Table 6.2.4.3B, Duct Seal Levels, with regard to pressure sensitive tape.)

Addendum d (Change to Table 6.2.1D establishes minimum efficiency standards for single package vertical air-conditioners (SPVAC) and heat pumps (SPVHP). It is consistent with DOE’s decision to regulate SPVU’s under EPACT.)

Addendum e (Add new definitions to Section 3.2; Revise definition in Section 3.2; Add new informative appendix G.)

Addendum g (Replace existing Tables 9.3.1.1 and 9.3.1.2 including the Lighting Power Density (LPD) values represents a complete review and update of the inputs to the space and building models used to derive these values.

Addendum h (In Section 12, replace the existing normative references; In Section 12, add new and delete normative references; In Section 5.5.2.2, make changes to Exception (c); In Sections A9.3.1 and A9.3.2, make changes to the test procedure references)

Addendum i (Revises Tables 6.2.1A and 6.2.1B to reflect newly adopted DOE efficiency standards for single phase air conditioners and heat pumps less than 65,000 Btu/h.)

Addendum j (Applies to the Exceptions to 9.3.1 Interior Lighting Power, specifically exception (n), athletic playing areas.)

Addendum k (Change to 6.2.3.1.1, General, relates to zone and loop controllers.)

Addendum m (Added requirement for heat pump pool heaters to Table 7.2.2.)

Addendum n (Provides detailed explanations of control means to clarify the intent of supplemental heater control requirements in 6.1.3 (g), Simplified Approach Option for HVAC Systems.)

Addendum o (Change exception (d) in Section 6.3.1)

Addendum p (Add a subsection to Section 11.2.1; Add a normative reference to Section 12)

Addendum q (Extensive revision of the 90.1-2001 Exterior Lighting Requirements.)

Addendum r (Revise Table 6.2.4.1.2B (formerly Table 6.2.4.2B) in both the I-P and the SI editions of the standard)

Addendum s (Change exceptions (g) and (i) exceptions to 6.3.6.1)

Addendum t (Change the exception to 9.2.1.1)

Addendum u (Addendum adds dew-point and dry-bulb temperature as a shutoff control type in Tables 6.3.1.1.3.A and 6.3.1.1.3B and adds the required high-limit values for this type of control.)

Addendum x (Broadens the requirement for off-hour controls for HVAC systems. Revise Sections 6.1.3-i and 6.2.3.2 and add a new Section 6.2.3.3.5.)

Addendum y (Change Section 6.3.3.2.1 Part-Load Fan Power Limitation.)

Addendum z (Revise the Exception to 6.2.1)

Addendum aa (Section 12: Make changes to normative references.)

Addendum ab (Section 6.3.6.1: Revise exception (d))

Addendum ac (Revise sections 11.3.6, 11.3.8, 11.3.9 and note 7 to Table 11.4.3A )

Addendum ae (Revise Section 9.2.1.2)

Addendum ag (corrects the "retail sales area" LPD value)

Addendum ah (Change the title of Table D-1 in Appendix D)

Addendum ai (Revise Section 9.2.3, Exit Signs)

Addendum al (Revise references in Appendix E)

Addendum am (Reduces the number of climate zones from 26 to 8.)