A meeting of minds | Archive Titles

Table 1: A generic comparison guide to hvac solutions
	Natural ventilation	Mixed mode	All air	Radiative air	Distributed
Change in work style	***	***	***	**	***
Cellularisation	*	**	***	**	***
Space-use intensification	**	**	***	***	***
Office equipment loads	*	**	***	**	***
Occupancy hours	**	**	***	***	***
Sub-divisibility of tenancies	*	**	**	**	***
Occupant control	**	**	**	**	***
Plant space requirements	***	**	*	**	***
Service routes	***	**	*	**	**
Capital cost	***	**	*	*	*
Running costs	***	**	**	**	*

Table 2: Overview of international energy standards
Energy rating system			Application
		Design tool whole building	Design tool for systems	Benchmark existing buildings	Benchmark systems
California Title 24	USA	Yes	Yes	No	No
ASHRAE 90	USA	Yes	Yes	Yes	Yes
ASHRAE 100	USA	No	No	Yes	Yes
ECON19/TM22	UK	Yes	Yes	Yes	Yes
EPIM	UK	Yes	No	No	No
CIBSE Energy codes	UK	Yes	Yes	No	No
SCANVAC R2	Sweden	No	Yes	Yes	Yes