Green Energy Audit
WALKTHROUGH – OFFICES
Building characteristics
Dimensional characteristics
Gross volume __________ (m3)
CL 6.01
Net area __________ (m2)
Year of construction
Retrofit action already taken
Characteristics of facilities
Heating system
Heat generation
Heating terminals
Regulation control system
 Roof insulation year ________
 External wall insulation year ______
 Windows replacement year
 Boiler replacement year _________
 Other (specify) ______________________________ year ________
 Other (specify) ______________________________ year ________
 Other (specify) ______________________________ year ________
 Autonomous
 Centralized
 Boiler
 Heat pump  Air heater ___________________
 Heat exchanger (district heating)  CHP
Heat capacity (kW) ______________
Energy carrier
 Natural gas
 Diesel oil
 LPG
 Other (specify _________________________________________________
 Radiators
 Heating panels
 Other (specify) ______________
_______________________________________________________________
 Manual  Centralised  Local  Zone
DHW production
 Geyser  Autonomous with storage tank
 Electric boiler
 Combined boiler (heating and DHW)
 Heat exchanger (district heating)
Summer cooling
 No  Air centralised  Hydronic centralised (fan-coil units)
 Split system  Multisplit
 Other (specify) _______________________________________________
Cooling capacity (kW) ______________
Chiller
 Compression cycle
 Absorption cycle
 Heat exchanger (district heating)
Fuel (for absorption cycles)
 Natural gas
 LPG
 Other (specify) ________________________________________________
Note
JOB Code
Building
Auditor
Date
Sheet ____ of____
Green Energy Audit
WALKTHROUGH – OFFICES
Instrumental survey
Type of survey
Average internal air temperature (°C)
CL 6.01
Value
Remarks
Average temperature of external walls (°)
Average floor temperature (°)
Average surface temperature of the ceiling (°)
Average luminance (lx)
Maximum luminance (lx)
Minimum luminance (lx)
Building envelope (shell)
Questions
Has the roof deteriorated?
Check
 Yes  No  NA
Is the maintenance of the exterior facade
scheduled?
is it technically possible to apply the
insulation outside with the ETICS
technique?
Is there surface condensation on the
walls?
Is the air-tightness of the windows good?
 Yes  No  NA
Is the acoustic quality of the windows
good?
are there infiltrations of air through the
external roller-blind fitment-box?
Is the replacement of the windows already
scheduled?
 Yes  No  NA
Are the windows equipped with external
shields or reflecting panes?
Are the windows equipped with internal
shielding?
Is there the space on the roof for the
installation of a solar thermal system?
Is there the space on the roof for the
installation of a solar PV system?
 Yes  No  NA
JOB Code
Building
Remarks
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
Auditor
Date
Sheet ____ of____
Green Energy Audit
WALKTHROUGH – OFFICES
HVAC Systems
Questions
Are the facilities managed through an
outsourced contract?
Are the boilers older than 20 years?
Is the boiler replacement already
planned?
The thermostat, if installed, is
programmable?
Inside the building are there rooms too hot
or too cold due to a malfunction of the
terminals?
The perceived thermal comfort is
considered fairly good in the winter?
The perceived thermal comfort is
considered fairly good in the summer?
Is the control system able to differentiate
the management of the various heating
zones?
Plumbing and DHW systems
The toilets are equipped with quick
couplers?
are the taps fitted with low-flow aerator?
Check
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
Is there available space for the installation
of a solar storage tank?
 Yes  No  NA
Lighting
Are the luminaries dirty?
 Yes  No  NA
Are there glare phenomena?
 Yes  No  NA
Are there inefficient lamps to be replaced?
 Yes  No  NA
Are there inefficient control systems?
 Yes  No  NA
Are emergency lights always on?
Does the lighting system consider the
different needs?
Is it possible to install efficient control
systems (for example, electronic ballasts,
dimmers, etc..)?
Is it possible to differentiate the lighting?
 Yes  No  NA
 Yes  No  NA
Building
Remarks
 Yes  No  NA
Is the DHW water temperature too warm?
JOB Code
CL 6.01
 Yes  No  NA
 Yes  No  NA
Auditor
Date
Sheet ____ of____
Green Energy Audit
WALKTHROUGH – OFFICES
Electrical appliances
Questions
Do the appliances remain switched on
even outside of working hours
Are the appliances often left unused?
Is it possible to centralise the use of
certain appliances (e.g. printers) ?
Some devices are to be replaced?
Are the regulatory limits for visual comfort
respected?
CL 6.01
Check
 Yes  No  NA
Remarks
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
 Yes  No  NA
Notes
JOB Code
Building
Auditor
Date
Sheet ____ of____