E3: Energy & Efficiency With Emily

S3E10: PGH in Vermont


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Show Notes:

 

YouTube Link: https://youtu.be/QmA0PN7wROo

 

Dylan Kinsey: https://www.kinseyconstruction.net/

Robert Swinburne: https://www.bluetimecollaborative.com/

 

Size: 1,750 square feet

Number of bedrooms: 2

Foundation: Full Basement

Foundation insulation: 5 in. XPS (R-30) inboard—on walls

Subslab insulation: 5” EPS Foam ( R-20)

Wall construction: Double 2x4 wall 12” deep

Wall insulation: R-42 dense-packed cellulose

Attic construction: Vented unconditioned attic

Attic floor insulation: R-85 cellulose

Air Leakage: .32 ACH/50

Windows: Klearwall Alu-P triple glazed, R-6.5 average SHGC .50

Winter design temperature: -5°F

Design heating load: 16,579 Btu/h

Space heat: “One to One” Mitsubishi MSZ-FH18NA2 single zone, ductless mini-split air-source heat pump rated at 20,000 Btu/h

Domestic hot water: 40 gallon State brand heat pump water heater

Mechanical ventilation: Broan HRV 160 TE

PV system: 6.7 kW ( 20qty LG 335)

Drain Water Heat Recovery: Renewability Power-Pipe R3-60

 

From Energy Model:

 Design Heat Loss, BTU/hr : 16,579

Annual Heating Load, BTU/ year : 35,771,961

Annual Heating Load, kWh/ year : 10,484

Net Annual DHW energy, BTU/ year : 3,915,136

Net Annual DWW energy, kWh/ year : 1,147

PV Annual production kWh/ kW : 1,288

Solar electric system size, kW: 6.6

Total Predicted Usage kWh: 8,451

 

Actual Usage Data:

 Actual Usage (Feb, 20’-21’ ) :     7,874

Actual Solar Production (Feb, 20’-21’ ) : 7,822

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E3: Energy & Efficiency With EmilyBy Emily Mottram

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