Southern Highlands, Illawarra & Shoalhaven Air Conditioning, Solar & Batteries, Electrical & More

Simmark is the leading multi-service contractor in the Shoalhaven, Illawarra and the Southern Highlands. Our team of experienced & qualified local tradesmen provide a complete range of professional services. The different facets of our business include air conditioning, electrical, solar & batteries, data & communications, security installations and plumbing (Shoalhaven & Illawarra only).

We have been in business for over 22 years and believe our unique combination of expert workmanship and friendly service make our technicians the best in the local area. With bases in Wollongong, Nowra and Mittagong, we have a wide service area that covers all of the Shoalhaven as well as the Illawarra and Southern Highlands. Just some of the town we regularly visit include Bowral, Moss Vale, Berry, Ulladulla & Kangaroo Valley.

Tesla Powerwall Certified Installer

Latest News

Merry Christmas / Trading Hours

Merry Christmas / Trading Hours

The team at Simmark would like to wish all our customers a very Merry Christmas and a Happy New Year. The Simmark Shoalhaven and Southern Highlands office will be closed from Friday 22nd of December 2017 and will reopen on Tuesday 2nd of January 2018....

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Blog

HOW MUCH STORAGE DO I NEED?

HOW MUCH STORAGE DO I NEED?

Many customers ask us about battery sizes and how much storage is right for them. The key is to determine how much energy you are consuming when the sun isn’t shining. That will tell you how much battery capacity you need, which will in turn determine how much...

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