Domac - Standby Generator Guide

When the lights go out in your home, it's more than just an inconvenience.

Power outages can also result in financial loss due to spoiled food, lost work time, broken pipes, and even water damage to buildings and furniture.

A quiet, reliable Generator form Domac can easily help keep your family safe and secure through power-related emergencies.

Selecting the generator that best fits your needs might feel complicated – but it doesn’t have to be.

Let us help you choose the right model for your needs.

Note: This is just a general guide - if you need a more detailed template to work off

 Click here

How do I connect a generator to my home ?

Click here

3.5 Kva 7hp Generator

This 3.5kva generator will power all the basic items needed in a power outage.

Lights, fridge, circulating pump, tv, internet,microwave etc..

Not suitable for any heavy loads eg. kettle, heat pump, cooker, electric shower etc..

Find out more about small generator power management    here.


8 Kva 14hp Generator

This key start 8 kva generator is by far the most popular.

It will run most items in the home.

Modern heat pumps, kettle, hob etc.. but not all at the same time.

NB: Will struggle with an electric shower.

Has built AVR to safegaurd computer equipment.

12-20 Kva Diesel Generator


These Diesel Generators can generally match the ESB supply entering your house.

For full peace of mind.

Can be supplied ready for power divert switch or start'o'matic module.