ASHP Heat Loss Survey

Whole House Heat Loss & DHW Questions

Name

First Last

Phone

Whole House Heat Loss

Average indoor temperature you like to keep house at?

(Assume 21 Degrees Celsius if not know)

U-values for the below, if known

Walls

Roof

Windows

Doors

Roof Lights

Floors

What decade was the property built?

Is there Cavity Wall Insulation present?

Loft Insulation Thickness

None

50mm

100mm

300mm

Roof type

Warm roof

Room in roof

Ground floor type

Suspended Timber

Solid Concrete

Do you have UFH in any rooms?

Has the property been extended, if so are there drawings of the work carried out?

Extension Drawings, if available

Max. file size: 50 MB.

Total floor area of property

Average ceiling heights

Total number of

Windows

Doors

Roof Lights

Number of floors

Air Changes per hour

(assume 1 if not known)

Glassing ratio

(assume 20% if not known)

Number external walls

(choose from:- 2 middle terrace, 3 semi detached or 4 detached, consider same for flats as well)

Domestic Hot Water

Number of Bedrooms

Number of Occupants

Desired Storage Temperature

(Assume 62 Degrees Celsius if not known)