AgdaPkt 2019-10-28 Joint SA PFA - Laserfiche WebLink

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The Tidelands Housing, San Francisco Pier 70, Building 12 The Fspleratorium, San Francisco 10/28/2019 Peter Rumsey, Principal ®1 UN i ENERGY There are great examples of all electric buildings for virtually every building type that are cost effective. It is very easy for our firm to design these systems, we are very familiar with them. For Multifamily projects we are seeing a lot of developers use electric heating with high levels of insulation in apartments that don't need cooling. All electric air-cooled VRF heat pumps are very common on multifamily projects up to ten stories where cooling is needed; this is very cost effective. Developers are using VRF systems on small to medium sized commercial buildings. Production home builders have been using central heat pump heating and cooling units for many years. And we are seeing a surge in the use of larger heat pumps for generating hot water systems. Central hot water systems can have a cost premium, but it is very small as a percentage of the building cost. AM. Peter Rumsey, Principal 0I'011d; ENERGY Large 20 story multifamily high-rise require a water source heat pump and that equipment still has a cost premium. Cooking remains a hard sell in many cases, a lot of people are very skeptical of giving up gas. Technically this isn't a problem, the experts at the Food Service Technology Center in San Ramon say an electric fryer provides better and more even heat than gas. Induction ranges are excellent. The market for all electric buildings and heat pumps has been making significant inroads in California, and this had gotten the attention of manufacturers. General Contractors and mechanical subcontractors are getting more familiar with this approach as well. Title 24 used to discourage electric heating of all types and is now more neutral on the issue. I understand that future versions of title 24 are going to be more encouraging of some types of electric heating. e (W. 7