Author: Phil Kreveld
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Chinese panels… they really do stack up?
Solar panels from China are not necessarily inferior, as they often use Western technology under licence. Phil Kreveld draws attention to other important quality and performance ... -
Battery storage for solar installations
Battery storage of solar energy is a reality, and the economics are just about there. Phil Kreveld reports. Storing the sun’s energy, which rates about one ... -
CIS/CIGS solar panels explained
Thin film technology could turn most of a building into a solar collector. Phil Kreveld reports. Thin film photovoltaic (PV) panels are making their presence felt ... -
The benefits of natural gas-powered air conditioners
Most larger air-conditioning systems for domestic purposes are reversible in operation, thus providing heating and cooling. Most are electrically powered, and it is to a large ... -
The lucrative business of refrigeration systems
Attending to the electrical components of refrigeration systems is good for contractors, but there are other aspects that can be quite lucrative. Phil Kreveld explains. -
The dangers of broad or inadequate specifications in electrical installations
Broad or inadequate specifications for an electrical installation can cost a lot more than specialist advice at the planning stage. Phil Kreveld explains. -
An introduction to commercial refrigeration
Commercial refrigeration repairs and preventive maintenance are good business opportunities. In the second part of a series, Phil Kreveld goes into more technology depth to assist ... -
Why smart meters aren’t as evil as you may think
Many of the arguments against new metering technology simply don’t add up, writes Phil Kreveld. -
A fridge full of opportunity
Poor maintenance of refrigeration systems can jeopardise the food industry’s thin profit margins. Phil Kreveld begins a series on cool opportunities for electrical contractors. -
The protective role of RCDs
The common safety switch, as found in homes, is effective in protecting against dangerous leakage current but is generally unsuitable for many industrial applications. Phil Kreveld ...
