5. unit passive house_ concept design
by hamid hekmat
HrH Architecture
Description
**5 unit passive house **…a. complex that is designed to be energy-efficient, comfortable, affordable, and ecological. Each unit has. 3 bedrooms, 2.5 baths, and includes 1,300 sf heated space, plus 560 sf unheated garage. Following highlights the measures incorporated in the design of this complex: - High performance & utra-low energy usage- The building embeds a high level of energy efficiency and performance in the structure itself: The massing, and continuous thermal bridge free insulation, integrated windows and shading. 90% less heating & cooling energy demand. - Exterior skin, rain screen system, back vented siding, stucco over drainage panel and water resistive barrier. - All- electric- Generating its own energy with a small solar panel system and in addition providing enough energy to charge 1-2 electric cars. - Whole house ventilation system with heat recovery (HRV): constantly provides fresh, filtered air 24/7. Up to 95% of the warm exhausting air is transferred over to pre-heat the fresh incoming air. Both air streams run through a heat exchanger and do not mix. This saves up to 95% of energy compared to a building without such a system. Nine times a day the entire indoor air volume is replaced and filtered. - Air source heat pumps provide heating, cooling and domestic hot water. Both run on electricity the building generates on its roof. - Super insulated envelop, Insulation, Blown-in cellulose : -Walls- 2x6 R 21+ R10 on exterior -Roof(Unvented)- 2x14 R50 + R10 exterior -Floor- 2x14 R30 - Secondary interior service wall for plumbing and electrical. Services to avoid penetration of airtight envelop. - Windows, double or tripple glazed as required by the energy model - Photo Voltaic roof panels/battery storage. - Translucent Photo voltaic canopy at front doors. - Cooling & Heating, mini split heat pump In ceiling-concealed design for short-run ductwork. - Water Heater: heat pump - Ventilation: Whole house HRV, a ventilation system with up to 95% heat recovery with dust/pollen filter. Indoor air volume gets replenished 9 times a day with automated control. - Lighting, LED SlimSurface - All electric appliances. - Washer & Dryer, Ventless Heat Pump Dryer, - Refrigerator, counter depth. - Non-ducted range hood - Induction cooktop - Oven, electric in wall
Contact the architect
hamid hekmat
HrH Architecture