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[accordion title=”FAQ” auto_open=”true”]

[accordion-item title=”1. The difference between grid-tied / off-grid solar / hybrid solar?”]

A Grid-Tied Solar System gets connected to your local utility grid.  During the day, for approximately 5 hours, your house or business will be able to run on solar power and towards the evening your system will automatically switch itself back to your local grid.

An Off-Grid Solar System – is when your Solar Photovoltaic System is not connected to the utility grid and you are producing your own electricity via Solar Power.  These systems generally have a battery bank to store the electricity for use when needed. A Hybrid Solar System combines the best of both worlds: the convenience of a grid connected system with the extra peace of mind of a battery backup.  This means that even during a power blackout, you will still have electricity.

[accordion-item title=”2. Questions to ask before deciding to ‘go solar’ at home?”]

  • Are your electrical appliances energy efficient?  Look for the colourful ENERGY LABEL or the BLUE ENERGY STAR on your product.  If the appliance you are using is not AAA rated, it can have a negative effect on the lifetime of your batteries or inverter.
  • Do you have a roof or structure that can support solar panels?  If your roof is covered in shade most of the day, it might not have a “Solar Window” favourable enough to make your ideas feasible. Make sure that the structure is in good shape; some solar installations have warranties for up to 25 years so it will be easier to have renovations to your roof done before the solar system is installed.  If you are residing in a country estate or complex, make sure that solar installations are approved by your homeowners’ association.  If your roof is not suitable, determine whether you have space to have ground-mounted Solar Panels (on a steel structure).
  • Have you done everything you can to improve efficiency?  The amount of Solar Energy you are going to need to produce depends on how much you use. Get a professional installer/electrician to assist with an energy audit and look for ways to save energy before deciding.
  • Which Solar System makes sense for your needs: Grid-Tied, Off-Grid or Hybrid?

[accordion-item title=”3. Difference between LED & incandescent”]

Incandescent light bulbs produce light by heating up a coiled tungsten wire filament in a vacuum.  About 90% of the wattage used goes to heating up the filament, making incandescent bulbs rather inefficient.  Ultimately, the bulb’s filament breaks due to heat (± 1000 to 2000 hours).

LEDs (Light Emitting Diodes) are what we call “solid-state lighting” technology and emit light from a piece of solid matter.  In the case of traditional LEDs, that piece of matter is a semiconductor. Put simply, a LED produces light when electrons move around within its semiconductor structure.  High quality LEDs will last thousands of hours and eventually dim.

[accordion-item title=”4. Watts & lumens?”]

Watts refer to the amount of electricity a particular product uses.  Lumens are a measurement of brightness (actual light output).  The higher the lumen rating, the brighter the bulb will be.  LEDs use lower wattage, saving electricity, but with sufficient lumen output, they are a good replacement for traditional bulbs.

[accordion-item title=”5. Understanding base types”]

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[accordion-item title=”6. Warm white | cool white | daylight”]

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The colour of the emitted light is measured in Kelvins (K).

Warm White – range of colour temperatures between 2400K – 3500K.  The warm white colour tone produces a yellow colour we all know incandescent light bulbs to have.

Cool White – cool white is used to reference light bulbs or lamps such as fluorescent and CFL lamps that have the colour temperature of between 3800K – 4500K.  However, with LED lighting, this colour temperature range is referred to as Neutral White – it’s not yellow, not blue, but white. Daylight – describes colour temperatures between 5000K – 6000K.  This colour temperature produces a blueish colour tone that some refer to the colour of the sky on a summer’s day.  In light bulbs, it’s the brightest colour temperature available, produces the most lumens, but it doesn’t produce the most eye-pleasing colour.

[accordion-item title=”7. The mystery of IP rated enclosures explained”]

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[accordion-item title=”8. What size air conditioner should I buy?”]

For a precise assessment, a qualified installer will need to do an on-site check.  The following table does, however, provide a guideline. Multiply the length of your room by the width to get the total square meters (m²).




15 to 18 m²

9 000 BTU

20 to 25 m²

12 000 BTU

30 to 35 m²

18 000 BTU

40 to 45 m²

24 000 BTU

Larger areas

Require installer to advise

[accordion-item title=”9. Different payment options Pupkewitz Megatech offers”]

When buying from Pupkewitz Megatech you can either pay by:

  • Cash
  • Credit/Debit Card (with Card Holder’s ID)
  • EFT (money should reflect in MegaTech’s account before goods will be released)
  • Approved Credit Account (account must be active and in good standing)
  • Lay-Buy on selected products

[accordion-item title=”10. Returns policy”]

Goods may be returned for credit within 10 Working Days of purchase on the following conditions:

  • Goods must be accompanied by the Original invoice
  • Goods must be in Original Packaging and in the Same Condition as they were purchased
  • A 10% Handling Fee may be applied
  • NO Cash Refunds for amounts more than N$1000 and without approval from management
  • NO Returns for the following products:
    • Cable
    • Wire
    • Circuit Breakers

Special Order Goods cannot be returned or cancelled







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