Does installing a Hybrid Heat Pump increase the amp requirements? May 17, 2018 03:44 Updated Follow Not generally, but we recommend for all electrical installations please consult with a qualified electrician. Click here to view Heat Pumps. Related articles Will my spa plug into a standard power outlet? What is the amperage requirement for spa pools? How do I hard wire my spa? How long do I need to let my concrete slab set for? What is the recommended temperature for my Spa Pool? Comments 0 comments Article is closed for comments.