Measuring Energy

Performance

Richard Baines

Director of Sustainable Development

Monitoring

Fuel Meters (Smart & Dim)

Anecdotal evidence

Sensors – Time v Temp

Air

Surface/body

Relative Humidity

Pulses

Communications

Data Loggers Squirrels

Tiny Tags etc

Actual Bills/readings

How do you feel?

Bryce Road

Super insulated

“Tuned” mass

Solar water heating

Solar PVs

CHP & heat pumps

£35/year space heating

Occupant behaviour?

Monitoring validated computer simulations

Norwood Road

Extreme deprivation

22 sound dwellings

Self-disconnection

No space-heating

No insulation

Non-Decent

Cold

Damp

Unwell residents

Bigger fuel bills

Worth paying for

Comfort & Health

Monitoring validated SAP predictions

Hydrogen Fuel Cells

Renewable electricity is carbon zero

Hydrogen can be got from H2O and waste

Hydrogen is carbon zero and energy intensive

Fuel cells consume hydrogen and air

Fuel cells emit electrons and water

Monitoring reported performance

How Heat Pumps Work

1. A fluid is heated by a

heat source

2. The heat is multiplied by

compression

3. That heat is transferred

to a use by heat

exchange

4. The Fluid is cooled by

expansion

1

2

3

4

Your kit of parts

Source heat exchange

Bore hole

“Slinky”

Heat exchanger

Compressor

Evaporator

Sink heat exchange

Under-floor coils

Oversized radiators

Comes in

the box

Sizing heat pump systems

The heat load kW

Times

Durations

Programming

User instructions

SAP equation 37 x 24 (hrs); or Rule of thumb current Building Regulations

Area (m2) x 40W = heat loss

Timing relates to thermal capacity

24/7 more efficient

Not like a boiler

Monitoring identified failings and

informed design for performance

Thank You

bainesr@bcha.co.uk