Understanding Inverter Sizing for Your Home

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Understanding Inverter Sizing for Your Home
Solar Guide5 September 2025
Funke Ogundimu
Funke Ogundimu

Choosing the right inverter size is crucial for an efficient solar system. Too small, and you won't have enough power. Too large, and you're wasting money.

Understanding Your Power Needs

First, calculate your total load by listing all appliances you want to power:

  • Essential loads: Lights, fans, TV, phone chargers
  • Medium loads: Refrigerator, laptop, standing fans
  • Heavy loads: Air conditioner, washing machine, pumping machine

Common Inverter Sizes

Here's what different inverter sizes can typically handle:

3.5kVA Inverter

Suitable for: Small apartments, essential loads only

Can power: Lights, fans, TV, refrigerator, small appliances

5kVA Inverter

Suitable for: Medium-sized homes, most common choice

Can power: Above + 1 small AC, pumping machine

7.5kVA - 10kVA Inverter

Suitable for: Large homes, small offices

Can power: Multiple ACs, heavy appliances

Important Considerations

  1. Consider starting/surge power for motors and compressors
  2. Plan for future expansion
  3. Factor in battery bank size
  4. Consider efficiency ratings

For accurate sizing, we recommend a professional energy audit. Contact Bayking Solar for a free assessment.

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