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Home Electrification

Home Electrification Resources

Guidance and best practices for contractors, programs staff, policymakers, etc. on electrification.

WestLight Energy’s resources, case studies, contractor guidance, etc. are freely available to use. 

For specific questions, please reach out to use at Info@westlightenergy.org 

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General Guidance and Resources

Technical design guidelines on whole-home electrification and specific electric appliances, guidance for program and utility staff, etc. 

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Water Heaters
How to Size Your Heat Pump Water Heater
Guide
Guide
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All Electric Homes
Building System Options for All-Electric New Construction
Guidance on all-electric new construction by property type.
PDF
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All Electric Homes
Zero Emissions All-Electric Single-Family Construction Guide
Guide
PDF
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Installation
Conquering the Permitting Process
Permitting in San Mateo County and Los Banos can be daunting, but we have lots of insights that can help you navigate it with little to no problem. In some cases, you may not even need a permit. If you do, we can help you streamline the process.
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Home Upgrades

Avoiding Costly Electrical Service Upgrades
Home upgrades may require additional electrical capacity, but a service upgrade from PG&E can often be avoided by making smart choices.
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Energy Costs
Typical home electrification costs
As your partner in clean energy, we provide line-by-line pricing for typical home upgrade projects, so there are no surprises.
Webpage
Illustration of a heat pump clothes dryer with Energy Star label
Laundry
Heat pump dryer video
Short (<2 minute) overview of how heat pump dryers work, from ENERGY STAR.
Video
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All Electric Homes
Design Guidelines for Home Electrification
Technical guidelines on whole-home electrification
Design Guidlines
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Water Heaters
Ecosizer Tool for Sizing Central HPWH Systems
Third-party tool (Ecosizer) on how to size central heat pump water heater systems.
Calculator

For Contractors

Guidance for contractors on electrification installation topics.

Diagram of a heat pump water heater installed in a utility closet showing supply air flow from living space
Water Heaters
Providing Enough Space and Air for Your Heat Pump Water Heater
Guidance on installing heat pump water heaters with enough air flow.
Guide
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Water Heaters
Comparison of HPWHs and electric resistance water heaters
Compare how older and more traditional electric resistance compare with new high efficiency heat pump water heaters
Guide
Technical diagram of an outdoor heat pump water heater installation in a utility closet with clearance labels
Water Heaters
Guidelines for Outdoor HPWH Enclosures
Design guidance on enclosure closets for outdoor heat pump water heaters.
Guide
Diagram of a split-system heat pump water heater showing indoor tank, outdoor condensing unit, and electrical shutoff
Water Heaters
About split-system heat pump water heaters
Advantage and use cases for heat pump water heater systems with split compressors and tanks.
Guide
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Water Heaters
Talking With a Contractor - Water Heaters
Questions to discuss with a contractor, for homeowners getting started on heat pump water heater projects.
Guide
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All Electric Homes
PG&E class on how to electrify without upgrading your panel
PG&E Class (login required)
Class

Case Studies

Case studies, reports, pilot project results, and other WestLight Energy-led research on electrification, including installation costs, customer savings, avoiding service upsizing, etc. 

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Water Heaters
Combination Heat Pump HVAC and Water Heater Systems, Harvest Thermal Pilot Report
Report on WestLight Energy’s pilot with Harvest Thermal combination HVAC/HPWH systems.
Report
Suburban house at dusk with text reading Harvest Thermal Pilot
Water Heaters
Harvest Thermal Pilot - Independent Verification Report
Results from WestLight Energy’s pilot of Harvest Thermal, a combination heat pump water heater and HVAC system.
Report
WestLight Energy guide booklet: The ultimate guide to ditching gas and going electric for your home
All Electric Homes
Case Study of Whole-Home Electrification in San Mateo County
Whole-Home electrification analysis of 9 homes in San Mateo County, demonstrating bill savings potential, service upgrade avoidance, and cost impacts.
Case Study

Photos

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Articles

Articles and other external materials.

Cover of the report Accelerating Electrification of California&#039;s Multifamily Buildings by StopWaste and AEA
Home Electrification
Accelerating Electrification of California’s Multifamily Buildings
Article – Stop Waste
Article
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Induction Cooktop
Bay Area Regional Energy Network
Michelin Star Chef Rogelio Garcia Makes Huaraches on an Induction Cooktop on Acceso Total
Video
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Induction Cooktop
What is Induction Cooking? | The Switch Is On
The Switch Is On Chef Rachelle Boucher explains induction technology and cooking.
Video
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All Electric Homes
"Yes, it’s possible to electrify a home on just 100 amps"
Article – Canary Media
Article
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All Electric Homes
"Upending Electrification Myths: Electrification won’t break the grid, it will make it smarter."
Article – Rewiring America
Article