Challenges in Monitoring and Measuring Lessons Learned for Pre-Retrofit Analysis
Practicalities and challenges of monitoring and
measuring – lessons learned for pre-retrofit analysis
Nick Ainger
AgilitySurvey
Monitoring overview
•
Energy use and internal/external environments were monitored
•
Three different systems were trialled
•
Systems 1 & 2: used customers’ Wi-Fi and were powered by a
mains plug
•
System 3: is GPRS enabled and hardwired into the mains
•
All systems required access to the residents’ homes and included:
•
A CT clamp to monitor electricity consumption
•
A sensor for temperature, humidity and CO
2
•
A hub to collect and transmit the data
•
An external environment sensor
•
The installation process and equipment used is critical to ensure
the quality of data collected
Issues
•
Problems were caused both by limitations of the equipment used
and with residents’ interaction with the kit and the project team
•
Technical issues were often compounded by lack of resident buy-
in
•
Resident problems included:
•
Internet disconnection
•
Unplugging the kit
•
Being unable to gain access to repair issues (plugging back in,
changing batteries, reconnecting to Wi-Fi)
Lesson learned – tenant engagement
•
Residents need to be fully engaged with the project
•
If incentives are used these should be conditional on
maintaining the equipment and allowing access when needed
•
There should be some guidance provided with basic
maintenance instructions
•
A sticker with contact details on the equipment itself is a
good way to ensure residents know who to contact
Lesson learned – kit
•
Having a reliable system can mitigate the need for resident
involvement which increases reliability
•
The third system we used is more robust and has resulted in
fewer issues
•
The most common issues with the first system were:
•
Residents broadband being disconnected
•
Residents unplugging the equipment
•
By having a system with GPRS connectivity which is hardwired
into the mains these issues are prevented
•
This was a more involved install process (an electrician was
required) but has resulted in less time being spent rectifying
problems and therefore proved to be more cost effective
Conclusion
Tenants eager to participate coupled with the latest
self-managing equipment results in sufficient and
meaningful data collection
Practicalities encountered when monitoring energy usage and environments pre-retrofit, including various trial systems used, installation requirements, equipment limitations, and issues with resident engagement. Lessons learned highlight the importance of tenant involvement and the impact of reliable systems on mitigating problems and increasing cost-effectiveness.
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Presentation Transcript
Practicalities and challenges of monitoring and measuring lessons learned for pre-retrofit analysis Nick Ainger AgilitySurvey
Monitoring overview Energy use and internal/external environments were monitored Three different systems were trialled Systems 1 & 2: used customers Wi-Fi and were powered by a mains plug System 3: is GPRS enabled and hardwired into the mains All systems required access to the residents homes and included: A CT clamp to monitor electricity consumption A sensor for temperature, humidity and CO2 A hub to collect and transmit the data An external environment sensor The installation process and equipment used is critical to ensure the quality of data collected
Issues Problems were caused both by limitations of the equipment used and with residents interaction with the kit and the project team Technical issues were often compounded by lack of resident buy- in Resident problems included: Internet disconnection Unplugging the kit Being unable to gain access to repair issues (plugging back in, changing batteries, reconnecting to Wi-Fi)
Lesson learned tenant engagement Residents need to be fully engaged with the project If incentives are used these should be conditional on maintaining the equipment and allowing access when needed There should be some guidance provided with basic maintenance instructions A sticker with contact details on the equipment itself is a good way to ensure residents know who to contact
Lesson learned kit Having a reliable system can mitigate the need for resident involvement which increases reliability The third system we used is more robust and has resulted in fewer issues The most common issues with the first system were: Residents broadband being disconnected Residents unplugging the equipment By having a system with GPRS connectivity which is hardwired into the mains these issues are prevented This was a more involved install process (an electrician was required) but has resulted in less time being spent rectifying problems and therefore proved to be more cost effective
Conclusion Tenants eager to participate coupled with the latest self-managing equipment results in sufficient and meaningful data collection
