Established Home
Replacement of Existing Hot Water System
New System
No Gas** access
Yes Gas** access
Gas***
Gas*** Solar
Electric Element, Electric Solar, Heat Pump
All Other Types - including Oil & Combustion
Gas Solar
Yes
Yes
Yes
Yes
Yes
Yes
Electric Solar, or
Heat Pump
Yes
No
No
No
Yes
Yes
Electric or Gas
(Storage / Instantaneous)
No
No
No
No
No
No
* Renovation - new hot water system, not replacing an existing one
** Gas: natural gas reticulated in the street or bottled gas
*** Includes reticulated and bottled gas already in use for water heating.