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homes table 1 part 2

Type Tables

HVAC requirement

ASHRAE 90.1–2007

ASHRAE 90.1–2010

Garage fans

6.4.3.4.5

NA

Auto-adjust fan speed with contaminant levels to 50% or less of capacity

Chiller efficiencies

6.4.1.1

NA

Increased for all chiller types

Single-zone VAV

6.4.3.10

NA

Required to have VFD or two-speed motors for DX >9.2 tons (32.3 kW), and chilled water AHUs >5 hp (3.7 kW) fan motors

Water and evaporatively cooled unitary AC units and heat pump efficiency

Table 6.8.1A and B

NA

3–5% more stringent

PTAC and PTHP efficiency increased

6.4.1.1; Table 6.8.1D

12 EER

13.8 EER

Water to water heat pump, CRAC, and VRF

Table 6.8.1B; Table 6.8.1K; Table 6.8.1J respectively

Not covered

Now covered by 90.1


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