The Safeguard certificate estimator calculates certificates for:
• the new installation of an air source heat pump
• the replacement of one or more electric or gas hot water boilers, or water heaters with one or more air source heat pump water heater systems
![Woman in a laundromat](/sites/default/files/styles/paragraph_image/public/2024-06/WH1%28optimised%29.jpg)
![Man in an industrial room](/sites/default/files/styles/paragraph_image/public/2024-06/F16%28optimised%29.jpg)
![Man holding gas bottle](/sites/default/files/styles/paragraph_image/public/2024-06/F17%28optimised%29.jpg)