# Hot Water Guides | Hot Water System Perth > Straight answers on Perth hot water: what a new system costs, how to size one, gas vs electric vs solar vs heat pump, rebates, and what to do when it fails. URL: https://perthhotwatersystem.com.au/guide/ # Perth hot water guides 30 plain-English guides written by licensed WA plumbers. Costs, sizing, system comparisons, rebates and what to do the moment something goes wrong. Get a Free Quote [/contact/ →](/contact/) call 08 6243 6734 [tel:+61862436734 →](tel:+61862436734) ## Start here Explainer ### 7 Signs Your Hot Water System Needs Replacing Rusty water, leaks, rising bills or a system over ten years old? The clear signs it is time to replace your Perth hot water system, and what to do next. Read guide arrow\_forward [7 Signs Your Hot Water System Needs Replacing →](/guide/signs-hot-water-system-needs-replacing/) Decision guide ### Hot Water Repair vs Replacement: How to Decide Should you repair or replace your hot water system? The cost-vs-age rule of thumb, warranty and efficiency factors, and when a repair is genuinely the right call. Read guide arrow\_forward [Hot Water Repair vs Replacement: How to Decide →](/guide/hot-water-repair-vs-replacement/) Decision guide ### How Much Does a New Hot Water System Cost in Perth? Perth hot water prices by system type, what drives the installation quote, and how financing and the federal STC rebate change what you actually pay. Read guide arrow\_forward [How Much Does a New Hot Water System Cost in Perth? →](/guide/hot-water-system-cost-perth/) Explainer ### Perth Hard Water & Your Tank: Anode Rod Replacement Guide How the sacrificial anode rod protects your hot water tank from Perth's hard water, how often to replace it, and the warning signs that it is already gone. Read guide arrow\_forward [Perth Hard Water & Your Tank: Anode Rod Replacement Guide →](/guide/perth-hard-water-anode-rod-replacement/) Explainer ### What Size Hot Water System Do I Need for My Household? Sizing a hot water system by household: litre guides by number of people, peak-demand tips, and how storage and continuous flow are sized differently. Read guide arrow\_forward [What Size Hot Water System Do I Need for My Household? →](/guide/what-size-hot-water-system-do-i-need/) Explainer ### Why Do I Have No Hot Water? Common Perth Causes The most common reasons a Perth hot water system stops working, split by gas and electric, plus which faults are safe to check yourself and which need a plumber. Read guide arrow\_forward [Why Do I Have No Hot Water? Common Perth Causes →](/guide/why-no-hot-water-perth-causes/) ## Hot Water System Installation View the service → [/hot-water-system-installation/ →](/hot-water-system-installation/) Explainer ### Do You Remove and Dispose of My Old Tank? Yes. We safely drain, remove and recycle your old hot water tank as part of the installation, with no hidden fee. What is included in your Perth quote. Read guide arrow\_forward [Do You Remove and Dispose of My Old Tank? →](/guide/old-hot-water-tank-removal/) Decision guide ### Gas vs Electric vs Solar vs Heat Pump: Running Costs Compared Gas, electric, solar and heat pump hot water running costs compared for Perth homes, with annual estimates, lifetime cost and rebate-adjusted figures. Read guide arrow\_forward [Gas vs Electric vs Solar vs Heat Pump: Running Costs Compared →](/guide/hot-water-running-costs-compared/) Decision guide ### Hot Water System Cost in WA: Full Price Breakdown A Western Australian price breakdown for hot water systems by type and brand, plus the install labour variables, rebates and financing that shape the final number. Read guide arrow\_forward [Hot Water System Cost in WA: Full Price Breakdown →](/guide/hot-water-system-cost-wa/) Explainer ### How to Choose the Right Hot Water System for Your Home Gas, electric, solar or heat pump? How to choose the right hot water system for your Perth home based on energy source, household size, cost and rebates. Read guide arrow\_forward [How to Choose the Right Hot Water System for Your Home →](/guide/how-to-choose-the-right-hot-water-system/) Decision guide ### Storage vs Continuous Flow: Which Suits Your Household? Storage tank or continuous flow? How each works, running costs, space and peak-demand fit, so you can choose the right system for your Perth home. Read guide arrow\_forward [Storage vs Continuous Flow: Which Suits Your Household? →](/guide/storage-vs-continuous-flow-hot-water/) Explainer ### What to Expect During a Hot Water System Installation From site assessment to compliance certificate: what actually happens during a hot water installation in Perth, how long it takes and how long the water is off. Read guide arrow\_forward [What to Expect During a Hot Water System Installation →](/guide/what-to-expect-hot-water-system-installation/) ## 24/7 Emergency Hot Water Repairs View the service → [/emergency-hot-water-repairs/ →](/emergency-hot-water-repairs/) Explainer ### Burst Hot Water Tank: Emergency Steps Before the Plumber Arrives Burst hot water tank? Shut off the water and power or gas, contain the water and stay clear of scald risk. The steps to follow while a Perth plumber is on the way. Read guide arrow\_forward [Burst Hot Water Tank: Emergency Steps Before the Plumber Arrives →](/guide/burst-hot-water-tank-what-to-do/) Explainer ### Hot Water System Leaking from the Bottom: What to Do Now Water under your hot water tank? Isolate the supply and power first. What a base leak means versus a valve leak, and when to call an emergency plumber. Read guide arrow\_forward [Hot Water System Leaking from the Bottom: What to Do Now →](/guide/hot-water-leaking-from-bottom/) Explainer ### Hot Water Tempering Valve & TMV Testing in Perth WA hot water must deliver at 50C for anti-scald compliance. How tempering valves and TMVs work, who needs annual testing, and how to stay compliant. Read guide arrow\_forward [Hot Water Tempering Valve & TMV Testing in Perth →](/guide/hot-water-tempering-valve-tmv-testing/) Decision guide ### How Fast Can an Emergency Hot Water Plumber Reach Me in Perth? Need an emergency hot water plumber near you in Perth? How our metro-wide dispatch works, typical response windows, and what to have ready when we arrive. Read guide arrow\_forward [How Fast Can an Emergency Hot Water Plumber Reach Me in Perth? →](/guide/emergency-hot-water-plumber-response-time/) Decision guide ### Is an After-Hours Hot Water Call-Out Worth It, or Can It Wait? Should you call an after-hours hot water plumber or wait until morning? Which faults are genuine emergencies, what after-hours pricing looks like, and how to stay safe. Read guide arrow\_forward [Is an After-Hours Hot Water Call-Out Worth It, or Can It Wait? →](/guide/after-hours-hot-water-call-out/) Decision guide ### Same-Day Temporary Hot Water: How Loan Units Work You should not be left without hot water during a replacement. How same-day temporary hot water works in Perth, including hookup, cost and timeline. Read guide arrow\_forward [Same-Day Temporary Hot Water: How Loan Units Work →](/guide/temporary-hot-water-loan-units/) ## Gas Hot Water Systems View the service → [/gas-hot-water/ →](/gas-hot-water/) Explainer ### Continuous Flow vs Gas Storage Hot Water for Perth Homes Endless hot water or a gas storage tank? Compare running cost, space and peak demand to pick the right gas hot water system for your Perth home. Read guide arrow\_forward [Continuous Flow vs Gas Storage Hot Water for Perth Homes →](/guide/continuous-flow-vs-gas-storage-hot-water/) Explainer ### Gas Pilot Light Keeps Going Out: Causes and Fixes A gas hot water pilot light that will not stay lit is usually a failing thermocouple or gas valve. Safe relight steps, the likely causes, and when to call a gas fitter. Read guide arrow\_forward [Gas Pilot Light Keeps Going Out: Causes and Fixes →](/guide/gas-hot-water-pilot-light-going-out/) Decision guide ### Natural Gas vs LPG Hot Water: Which Fits Your Property? Mains natural gas or bottled LPG for hot water? Compare availability across Perth, running costs and connection requirements to pick the right setup. Read guide arrow\_forward [Natural Gas vs LPG Hot Water: Which Fits Your Property? →](/guide/natural-gas-vs-lpg-hot-water/) ## Electric Hot Water Systems View the service → [/electric-hot-water/ →](/electric-hot-water/) Explainer ### Electric Hot Water Not Heating: Thermostat & Element Faults Electric hot water not heating? A tripped breaker, faulty thermostat or burnt-out element are the usual causes. Safe checks and when to call a plumber. Read guide arrow\_forward [Electric Hot Water Not Heating: Thermostat & Element Faults →](/guide/electric-hot-water-not-heating/) Explainer ### Instantaneous vs Storage Electric Hot Water Systems Instant electric or a storage tank? Compare how each works, off-peak running costs, space and capacity to pick the right electric hot water system. Read guide arrow\_forward [Instantaneous vs Storage Electric Hot Water Systems →](/guide/instantaneous-vs-storage-electric-hot-water/) ## Solar Hot Water Systems View the service → [/solar-hot-water/ →](/solar-hot-water/) Explainer ### How Solar Hot Water Works in Perth's Climate Perth's sunshine makes solar hot water smart. How collectors, thermosiphon and split systems and boosters work, and why they suit Perth homes. Read guide arrow\_forward [How Solar Hot Water Works in Perth's Climate →](/guide/how-solar-hot-water-works-perth/) Decision guide ### Is Solar Hot Water Worth It in Perth? Savings & Payback Is solar hot water worth it in Perth? Upfront versus lifetime savings, the STC-adjusted price, realistic payback periods and how it compares to a heat pump. Read guide arrow\_forward [Is Solar Hot Water Worth It in Perth? Savings & Payback →](/guide/is-solar-hot-water-worth-it-perth/) Explainer ### Solar Hot Water Booster: Gas vs Electric Boosting Explained Which booster for your solar hot water, gas or electric? Compare running cost, existing-supply fit and cloudy-day performance for Perth homes. Read guide arrow\_forward [Solar Hot Water Booster: Gas vs Electric Boosting Explained →](/guide/solar-hot-water-booster-gas-vs-electric/) ## Heat Pump Hot Water Systems View the service → [/heat-pump-hot-water/ →](/heat-pump-hot-water/) Explainer ### Heat Pump vs Solar Hot Water: Which Saves More in Perth? Heat pump or solar hot water for your Perth home? Compare upfront and running cost, roof-space needs, climate performance and how rebates apply to each. Read guide arrow\_forward [Heat Pump vs Solar Hot Water: Which Saves More in Perth? →](/guide/heat-pump-vs-solar-hot-water/) Explainer ### How Heat Pump Hot Water Systems Work Heat pump hot water draws warmth from the air to heat with a fraction of the energy. How CoP, refrigerant and PV timers make it efficient in Perth. Read guide arrow\_forward [How Heat Pump Hot Water Systems Work →](/guide/how-heat-pump-hot-water-works/) Decision guide ### WA Heat Pump Rebates 2026: Federal STCs Explained Western Australia has no state hot water rebate, but federal STCs cut heat pump and solar prices at point of sale. Eligibility and how it is applied in 2026. Read guide arrow\_forward [WA Heat Pump Rebates 2026: Federal STCs Explained →](/guide/wa-heat-pump-rebates-stc/) ## Commercial Hot Water Systems View the service → [/commercial-hot-water/ →](/commercial-hot-water/) Explainer ### Body Corporate & Commercial Hot Water: Compliance and Sizing Commercial and body corporate hot water in Perth: TMV compliance, capacity and redundancy planning, staged replacement and maintenance agreements. Read guide arrow\_forward [Body Corporate & Commercial Hot Water: Compliance and Sizing →](/guide/body-corporate-commercial-hot-water/) ![](/images/hero/licensed-perth-plumber-in-work-polo-finishing-a-ho.webp) 24/7 emergency call-outs available ## Read enough? Let's get it quoted. Free written quotes on repairs, replacements and efficiency upgrades right across the Perth metro. Get a Free Quote [/contact/ →](/contact/) call 08 6243 6734 [tel:+61862436734 →](tel:+61862436734) - check\_circle Fully licensed & insured plumbing and gas professionals - check\_circle All major Australian & German brands serviced - check\_circle 100% customer satisfaction guarantee on all work