Important Information - Please Read. Any generic sizing guidance given should be checked to site specifics by a compatent engineer to ensure correct heat loadings are calculated. The latest installation diagrams, Apps and instructions are available to be downloaded from our website. We are more than happy to provide some hand holding and installation support for your project, please get in touch.We also provide heat pump training at our Grimsby base. EcoStore - All In One Heat Pump Cylinders. The item "Cool Energy Complete Air Source Heat Pump Heating & Hot Water System Pack 4" is in sale since Wednesday, February 10, 2021. This item is in the category "Home, Furniture & DIY\Heating, Cooling & Air\Heaters & Radiators\Water Heaters\Standard Water Heaters". The seller is "coolenergyshop" and is located in Grimsby. This item can be shipped worldwide.