How much does gas hot water system installation cost in Sydney?

A standard gas hot water replacement costs $1,200-$2,200 installed. If a new gas line connection is needed, total costs rise to $2,500-$3,500 or more.

How long does gas hot water installation take?

A like-for-like replacement typically takes 2-3 hours. Installing a new gas line adds 2-4 hours depending on run distance and access.

What is the difference between gas storage and continuous flow hot water?

Gas storage systems heat and hold a tank of water. Continuous flow systems heat water on demand with no tank, providing unlimited hot water and greater energy efficiency.

Are there rebates available for gas hot water in NSW 2026?

Standard gas hot water replacements generally do not qualify for rebates in NSW as of 2026. Heat pump and solar systems may qualify under the Energy Savings Scheme.

How long does a gas hot water system last?

Gas storage systems typically last 10-15 years. Gas continuous flow systems can last 15-20 years with regular annual servicing.

How much does gas hot water system installation cost in Sydney?

A standard gas hot water replacement costs $1,200-$2,200 installed. If a new gas line connection is needed, total costs rise to $2,500-$3,500 or more.

How long does gas hot water installation take?

A like-for-like replacement typically takes 2-3 hours. Installing a new gas line adds 2-4 hours depending on run distance and access.

What is the difference between gas storage and continuous flow hot water?

Gas storage systems heat and hold a tank of water (typically 135-360L). Continuous flow systems heat water on demand with no tank, providing unlimited hot water and greater energy efficiency.

Are there rebates available for gas hot water in NSW 2026?

Standard gas hot water replacements generally do not qualify for rebates in NSW as of 2026. Heat pump and solar systems may qualify under the Energy Savings Scheme.

How long does a gas hot water system last?

Gas storage systems typically last 10-15 years. Gas continuous flow systems can last 15-20 years with regular annual servicing.

What Does Gas Hot Water System Installation Actually Cost in Sydney?

April 27, 2026

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