The cheapest energy is what you do not use.
WHY IT COMES FIRST
Every unit saved reduces the size and cost of every system you buy afterwards.
WHAT TO ADDRESS FIRST
Lighting Air conditioning Refrigeration Equipment left running
WHAT LIGHTING OFFERS
Substantial savings, with short payback, by replacing older lamps with efficient ones.
WHAT AIR CONDITIONING OFFERS
The largest single saving in most premises.
HOW
Higher temperature settings Servicing and cleaning Sealing and shading the space Inverter-type units rather than fixed-speed
WHY SETTINGS MATTER
Each degree lower costs noticeably more.
WHAT REFRIGERATION REQUIRES
Clean coils Good door seals Adequate ventilation around the unit Not being overfilled
WHY THOSE SMALL THINGS MATTER
They can change consumption substantially.
WHAT TO DO ABOUT EQUIPMENT LEFT RUNNING
Establish what genuinely needs to run outside working hours.
WHAT TYPICALLY DOES NOT
Computers, monitors, printers, most signage.
WHAT TO IMPLEMENT
A closing routine.
WHAT TO MEASURE
Consumption before and after each change.
WHY
It proves which changes were worth it.
WHAT TO PRIORITISE
The largest consumers, not the easiest changes.