I highly recommend, Solahart darling downs, to everyone who is looking to have solar installed to their home. Especially if they are also wanting to add the latest technology in hot water systems, or a battery as I did. Solahart darling downs, handles the whole process from start to finish in house with all their trades fully qualified and experienced in every area of solar installation and comissioning. All their staff from sales onsite inspection, front desk to engineering are very friendly approachable and accomodating to your requirements and lifestyle.Their product warranties are also top level. Excellent products and service A+++.