When is the best and most cost-effective time to install a rainwater harvesting solution?
It’s cheaper and easier to install a rainwater harvesting system in new builds or major renovation projects. However, installation isn’t complicated and can be undertaken by a builder or plumber without specialist knowledge. In a new build, depending upon the size of the tank and the type of mains back up accessory chosen, the cost of equipment for a three to four bedroom house typically ranges between 2,000 and 3,000. In a retrofit, however, installation costs would be another 1,000–2,000. The reason for this is that in a new build situation, the digger and plumber would be on site already. In a retrofit situation, digging the hole and fitting separate rainwater pipes to appliances may involve additional manpower or equipment. What are the most popular rainwater harvesting kits and why? Underground tanks are mostly used in the domestic market. Such tanks are marginally more expensive than above ground models, but are preferable because the stored rainwater remains fresh and the tank i