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

Simmark is the leading multi-service contractor in the Shoalhaven 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 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 both Nowra and Mittagong, we have a wide service area that covers all of the Shoalhaven as well as the Southern Highlands. Just some of the town we regularly visit include Bowral, Moss Vale, Berry, Ulladulla & Kangaroo Valley.

Tesla Powerwall 2

Powerwall 2 stock is arriving in Australia shortly. Simmark is a local Certified Installer. Call us for a consultation and free quote.

Latest News

What a turn out!

What a turn out!

Wow, we had great turnout this week for solar and battery seminars in both our Nowra and Mittagong locations. Matt Simms gave an update on the logic of converting to solar power with Tesla Powerwall battery back-up. Now that Simmark has installed many Powerwalls...

read more

Blog

Solar and Batteries?

Solar and Batteries?

Well, it’s happening and it’s happening faster than expected. As mentioned in this morning’s The Australian newspaper, energy companies across Australia (including in NSW) are hiking rates paid by households by more than $130 per year in many cases....

read more