Green Energy Audit
WALKTHROUGH – RESIDENTIAL
Building characteristics
Building typology
CL 6.00
 Single family house
 Terraced house
 Multi family house
 Apartment block
 Tower building
 Other (specify) ______________
the building consists of ______ flats (apartments)
and __________ housing unit for non residential uses (specify) _____________
Dimensional characteristics
Gross volume __________ (m3)
Year of construction
____________
Retrofit action already taken
 Roof insulation year ________
 External wall insulation year ______
 Windows replacement year
 Boiler replacement year _________
 Other (specify) ______________________________ year ________
 Other (specify) ______________________________ year ________
 Other (specify) ______________________________ year ________
Characteristics of facilities
Heating system
Heat generation
Heating terminals
Control and regulating
system
Energy metering system
DHW production
Summer cooling
Net area __________ (m2)
 Autonomous
 Centralised
 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
 Yes
 No
 Geyser  Autonomous with storage tank
 Electric boiler
 Combined boiler (heating and DHW)
 Heat exchanger (district heating)
 No  Air centralised  Hydronic centralised (fan-coil units)
 Split system  Multisplit
 Other (specify) _______________________________________________
Cooling capacity (kW) ______________
Notes
JOB Code
Building
Auditor
Date
Sheet ____ of ____
Green Energy Audit
WALKTHROUGH – RESIDENTIAL
Instrumental survey
Type of survey
Average internal air temperature (°C)
CL 6.00
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 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 – RESIDENTIAL
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?
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
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 6.00
 Yes  No  NA
 Yes  No  NA
Auditor
Date
Sheet ____ of ____