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Connected Thermostats

The RTF is a technical advisory committee to the Northwest Power and Conservation Council established in 1999 to develop standards to verify and evaluate energy efficiency savings

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UES Measures Standard protocols list Demand Response Technologies Supporting Documents Propose a measure or standard protocol Proposed measures and status Whole Building Efforts
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  • Agricultural Irrigation
  • Air Source Heat Pumps
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  • Guidelines
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  • Implementers Group
  • Market Analysis
  • Natural Gas Subcommittee
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  • Research and Evaluation
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  • Residential Lighting
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  • Statistical Methods
  • Whole Building Subcommittee
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Work Products

UES Measures Standard protocols list Demand Response Technologies Supporting Documents Propose a measure or standard protocol Proposed measures and status Whole Building Efforts

Subcommittees

  • Agricultural Irrigation
  • Air Source Heat Pumps
  • Commercial HVAC
  • Compressed Air
  • Connected Thermostats
  • Demand Response
  • Ductless Heat Pumps
  • Duct Sealing
  • Guidelines
  • Heat Pump Water Heaters
  • Implementers Group
  • Market Analysis
  • Natural Gas Subcommittee
  • New Homes Standard Protocol
  • Non-Residential Lighting
  • Operations
  • Pump Systems
  • Research and Evaluation
  • Residential Behavior
  • Residential Lighting
  • RTF Policy Advisory Committee
  • Small and Rural Utilities
  • Statistical Methods
  • Whole Building Subcommittee
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UES Measure

  • Connected Thermostats

Connected Thermostats

At a Glance

Status 
active
Fuel type 
dual fuel
Sector 
residential
Applications 
HVAC
Sunset date 
Jan 31, 2025

This measure is for connected thermostats that are ENERGY STAR qualified and either include on-board motion sensors or are packaged with a motion sensor. Geo-fencing is not considered motion sensing. The measure applies to electrically and gas heated homes and has applications for Single Family/Manufactured Homes and Multifamily homes broken out more granularly by heating zone, heating system type, and program delivery. 

Thanks to recent regional studies, savings from the following measure applications are considered by the RTF to be reliable and were adopted as 'Proven':

  • SF/MH Gas-heated homes, HZ1, retail
  • SF/MH, Gas-heated homes, HZ 1, direct install
  • SF/MH, ASHP-heated homes, HZ 1, direct install-resistance optimization

All other applications were set to 'Planning' and an associated research strategy was approved to address lingering uncertainty around the affects of climate, fuel type, and resistance controls on electric system type. 

Workbook

Latest Version

Residential Connected Thermostats v3.0

File Residential Connected Thermostats v3.0
Updated with 2021 Plan cost effectiveness methodology
Date 
Apr 18, 2022
Version number 
3.0

Past Versions

version date document
2.1
Mar 15, 2022
File Residential Connected Thermostats v 2.1
Approved at the January 2022 RTF meeting. QC complete.
2.0
Jan 26, 2022
File Residential Connected Thermostats v2.0
Approved at January 2022 RTF meeting. Currently undergoing QC.
1.3
Apr 10, 2018
File Residential Connected Thermostats v1.3
Error corrected around dollar year deflator. Increased cost-effectiveness for Direct Install measure applications.
1.2
Apr 05, 2017
File ResConnectedTstats_v1.2.xlsm
Updated tables and charts to accurately represent the error bounds around the savings estimate.
1.1
Jan 26, 2017
File ResConnectedTstats_v1.1.xlsm
QC review complete.
1.0
Nov 16, 2016
File ResConnectedTstats_v1.0.xlsm
Original measure workbook. Pre-QC.
Supporting Documents
File MF Weatherization SEEM Workbook v2.2
File SF Existing HVAC/Weatherization SEEM runs (July 2015)
File MH Wx SEEM Runs (May 2015)
File Residential Connected Thermostats Research Strategy (2022-Current)
File Research Strategy for Connected Thermostats (2016-Archive)

Decisions

Expand All Decisions

Latest decision

Decision details

Decided 
January 26, 2022
RTF Meeting: January 26, 2022

Approve Measure Updates

Decision Details

Approve updates to the Residential Connected Thermostat UES measure and Research Strategy as presented:

  • With the following modifications: 
    • Reduce the number of significant figures on % heating load savings for Planning applications
    • Change measure life to 7 years
  • Set the Status to "Active"
  • Set the Category to "Proven" for: 
    • SF/MH, Gas-heated home, HZ1, retail 
    • SF/MH, Gas-heated homes, HZ 1, direct install
    • SF/MH, ASHP-heated homes, HZ 1, direct install-resistance optimization
  • Set the Category to "Planning" for all other measure applications
  • Set the Sunset Date to January 31, 2025 
Decided 
December 07, 2021
RTF Meeting: December 7-8, 2021

Extend Sunset Date

Decision Details

Extend the sunset date for Residential Connected Thermostats measure to January 2022

Decided 
December 08, 2020
RTF Meeting: December 8, 2020

Extend Sunset Date

Decision Details

Extend the sunset date for the Residential Connected Thermostat measure to December 2021.

Decided 
November 19, 2019
RTF Meeting: November 19, 2019

Extend Sunset Date

Decision Details

Extend the sunset date for the Residential Connected Thermostats UES measure to December 31, 2020

Decided 
November 09, 2016
RTF Meeting: November 9, 2016

Approve measure analysis with direction for further research

Decision Details
  • Approve the Research Strategy for Connected Thermostats and Services as presented
  • Approve the UES analysis for Connected Thermostats with the following revisions:
    • Update the % DIY installs in the retail measure to 90%
    • Remove the Building Size measure identifier
  • Set the measure Category to ‘Planning’
  • Set the measure Status to ‘Active’
  • Set the sunset date to November 30, 2019. 
Decided 
March 15, 2016
RTF Meeting: March 15, 2016

Allocate resources to measure development

Decision Details

Allocate resource to further scoping a web-enabled thermostat measure/impact evaluation guidance in parallel with residential behavior work. Allocate resource to participate in efficient pump system measure scoping discussions, and bring proposal to subcommittee when ready.

Small/rural Checklist

Latest Version

January 2017 Residential Connected Thermostat Small/Rural Checklist

File January 2017 Residential Connected Thermostat Small/Rural Checklist
Corresponds with version 1.1 and 1.0 of the measure workbook.
Date 
Jan 26, 2017
Version number 
1.0

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