For warehouses and distribution centres, lighting can represent a significant and often unnecessary operating cost – particularly in facilities still using older fluorescent, metal halide or high-pressure sodium lighting. So, how much can a warehouse actually save by switching to LED lighting? There isn't one figure that applies to every facility. Savings depend on the existing lighting, operating hours, number of fittings, electricity rates and whether controls such as occup

If you're considering upgrading your hot water system, one of the first questions you're likely to ask is: how much does a heat pump water heater cost in New Zealand? As a general guide, a hot water heat pump costs around $7,000 to $8,500 to purchase and install in New Zealand, although the actual price will depend on the system, its size and the complexity of your installation. That's more upfront than a conventional electric hot water cylinder. But purchase price isn't the