The Safeguard certificate estimator calculates certificates for the replacement of an electric or gas water heater with:
- an air source heat pump or
- a solar electric-boosted water heater
Estimate certificates
![Woman washing her face with hot water](/sites/default/files/styles/paragraph_image/public/2023-11/D17cropped_optimised.jpg)
![Man washing dishes with hot water in sink](/sites/default/files/styles/paragraph_image/public/2023-11/D19optimised.jpg)
![Parent washing child's hands in warm water](/sites/default/files/styles/paragraph_image/public/2023-11/iStock-1373843137-optimised.jpg)
![cute tan dog being washed in bath](/sites/default/files/styles/paragraph_image/public/2023-11/iStock-1322180347-optimised.jpg)
The Safeguard certificate estimator calculates certificates for the replacement of an electric or gas water heater with: