Best solar hot water systems businesses in Perth Metropolitan
These are the 15 highest-scoring solar hot water specialists in Perth Metropolitan, ranked by our methodology, which weighs rating, review volume, recency, sentiment and verification rather than star rating alone. Every business here treats solar hot water repair, installation or supply as a core part of what they do.
Looking for solar panels or battery systems rather than hot water specifically? See our list of the best solar energy equipment suppliers overall.
Picks are ranked by score and relevance to solar hot water systems, so a lower overall score can rank higher here.
At a glance
| # | Business | Score | Rating | From | Best for |
|---|---|---|---|---|---|
| 1 | No Probs Plumbing | 88 | 4.8 (850) | — | Fast emergency hot water swaps |
| 2 | Verlek Electrical Solutions | 88 | 5 (139) | — | Solar hot water repairs done right |
| 3 | Tap Doctor Plumbing Perth | 88 | 4.6 (1973) | — | High-volume reliability at scale |
| 4 | Solargain | 84 | 4.6 (435) | — | Established installer with rebate handling |
| 5 | PV Spark | 83 | 4.8 (67) | — | Value-focused install without upselling |
| 6 | Plumbdog | 80 | 4.4 (1292) | — | Same-day callouts with clear explanations |
| 7 | Zambezi Plumbing and Gas | 79 | 4.5 (63) | — | Honest quoting on hot water jobs |
| 8 | URECO Solar | 78 | 4.5 (107) | — | Heat pump installs with long-term support |
| 9 | iStore | 76 | 4.7 (27) | — | Bundled solar, battery and hot water |
| 10 | Solahart Cannington | 76 | 4.5 (20) | — | Solahart brand service in Cannington |
| 11 | Galvins Plumbing Supplies | 72 | 4.4 (26) | — | Counter parts and product guidance |
| 12 | Solaroak | 70 | 4.7 (30) | — | Quick heat pump replacement |
| 13 | Plumbdog Plumbing South Perth | 67 | 4.8 (20) | — | Small jobs with upfront quotes |
| 14 | Green Energy WA | 54 | 5 (2) | — | Long-standing reliability, low review volume |
| 15 | Renewable Guide | 44 | 5 (1) | — | Not enough data yet |
Ranked picks
No Probs Plumbing
Why it ranks first
No Probs Plumbing backs up an 850-review track record with same-day and next-day response, and named techs like Kobi, Kade and Ben show up consistently in praise for clear, quick work. Gas hot water system swaps and trenchless pipe relining are called out as particular strengths, which matters when a burst hot water unit can't wait.
Pros
- Same-day and next-day availability for most jobs
- Trenchless pipe relining avoids digging up the yard
- Named technicians consistently praised for clarity and speed
- Handles hot water replacement and installation directly
Watch out: A couple of reviewers flagged inconsistent pricing on simple jobs and one no-show with poor follow-up.
Services: residential solar, solar hot water, solar energy company, solar energy system service
Verlek Electrical Solutions
Why it ranks second
Verlek Electrical Solutions runs on a perfect 5-star average across 139 reviews, with Lee Vernon personally answering calls within minutes and booking jobs days rather than weeks out. Reviewers single out solar hot water repairs specifically as work he handles promptly, with invoices that match the original quote.
Pros
- Responds within minutes and books same-week appointments
- Prices match quotes with no surprise add-ons
- Specialises in solar hot water system repairs
- 25+ years operating with NECA membership and a 12-month workmanship guarantee
Services: residential solar, solar hot water, solar energy company, solar energy system service
Tap Doctor Plumbing Perth
Why it ranks third
With nearly 2,000 reviews, Tap Doctor Plumbing Perth has the largest track record on this list, and it holds up: 45-minute emergency response is common, and named techs like Chris, Steve and Jack get called out for fast, friendly work. Upfront quoting and thorough cleanup are recurring themes.
Pros
- 45-minute emergency response reported often
- Next-day appointments when it's not urgent
- Named technicians deliver consistent quality
- Transparent pricing with no hidden costs
Watch out: Some jobs, like fixture replacement, may need new parts rather than a repair.
Services: solar hot water, solar panel maintenance service, solar energy company, solar energy system service
Solargain
Why it ranks fourth
Solargain has been in the game 19+ years and covers Perth and regional WA, with staff like Jess, Ricardo and Lloyd singled out for going beyond the standard install. Most customers report fast power bill savings and clean workmanship, backed by rebate handling and after-install monitoring.
Pros
- Established 19+ years in the solar and hot water space
- Broad service range including rebate paperwork
- Named technicians praised for professionalism
- After-install follow-up and monitoring offered
Watch out: A vocal minority report no-shows, delayed warranty repairs, and gaps between sales and install teams.
Services: solar hot water, battery storage, warranty aftercare, residential solar
PV Spark
Why it ranks fifth
PV Spark has built five years of strong reviews around staff who explain options honestly rather than push add-ons, and customers document power bill reductions of 60-90%. At 67 reviews it's a smaller sample than the leaders, but the sentiment is consistently positive.
Pros
- Competitive pricing with transparent quoting
- Fast, professional installation team
- Staff explain options without high-pressure sales
- Documented power bill reductions up to 90%
Watch out: One recent complaint notes final completion can drag and after-sales support was weak.
Services: battery storage, residential solar, solar energy company, solar energy system service
Plumbdog
Why it ranks sixth
Plumbdog has over 1,200 reviews and a reputation for fast callouts, often within 30 minutes, with named techs Zenn, Evan, Chris, Ezra and James praised for explaining the job clearly before starting. Thirteen years of operating history back up the volume.
Pros
- Same-day and next-day emergency availability
- Named technicians praised for clarity and workmanship
- Rapid response, sometimes within 30 minutes
- Clean worksite practices reported often
Watch out: Some customers flagged callout fees not crediting toward work, and per-hour diagnostics without a guaranteed fix.
Services: solar hot water, residential solar, solar energy company, solar energy system service
Zambezi Plumbing and Gas
Why it ranks seventh
Zambezi Plumbing and Gas gets consistent praise for staff who show up on time and explain the problem clearly, with named techs Greg, Jason, Rhys, Liam and Louis singled out for honesty, in some cases catching inflated quotes from competitors.
Pros
- Named technicians trusted by repeat customers
- Quick response to emergencies and tight schedules
- Honest diagnosis, has caught competitors' inflated quotes
- Transparent about job scope before starting
Watch out: One reviewer reported reckless driving by a company van and unexpected apprentice/equipment charges.
Services: solar hot water, solar energy company, solar energy system service, solar panel maintenance service
URECO Solar
Why it ranks eighth
URECO Solar stands out for after-sales follow-up: Alex and Claudia answer calls within minutes for remote troubleshooting, and the team checks back months after install to confirm the heat pump is still running well. Same-day or next-day emergency replacement is common, with pricing that consistently beats competitors.
Pros
- Emergency same-day or next-day installation
- Rapid phone troubleshooting and remote support
- Heat pumps programmed to work with existing solar PV
- Old systems removed and disposed of as part of the job
Watch out: One customer flagged an upfront payment requirement as unusual, though the install itself went smoothly.
Services: solar hot water, solar energy company, solar energy system service, residential solar
iStore
Why it ranks ninth
iStore's installers earn particular praise for clean workmanship on a product line that bundles solar, battery and heat pump hot water together. Most reviewers report real energy bill cuts, though the review count is modest at 27.
Pros
- Slim battery design fits tight installation spaces
- Australian-owned with local support
- Installers praised for clean, efficient work
- Bundles solar, battery and hot water in one system
Watch out: The monitoring app draws complaints for being clunky, and one system underperformed despite correct sizing.
Services: solar hot water, battery storage, residential solar, solar energy system service
Solahart Cannington
Why it ranks tenth
Solahart Cannington earns praise for same-day or next-day repairs and installs, with named staff Max and Wendy called out repeatedly for helpfulness. It's a smaller review base at 20, but the pattern is consistent.
Pros
- Emergency same-day or next-day repairs
- No call-out fees for some issues
- Quick installation turnaround
- Transparent quoting
Watch out: One past customer reported a difficult refund process and staff conflict during a dispute.
Services: solar hot water, solar energy company, residential solar, solar energy system service
Galvins Plumbing Supplies
Why it ranks #11
Galvins Plumbing Supplies works as a parts and supply stop rather than an installer, with staff praised for being knowledgeable and quick to respond to product questions. Review volume is low at 26, so treat the read as directional.
Pros
- Experienced counter staff
- Quick order fulfilment
- Multi-product range for plumbing and hot water parts
Watch out: A couple of isolated complaints mention pricing and unhelpful service on off days.
Services: residential solar, solar hot water, solar energy company, solar energy system service
Solaroak
Why it ranks #12
Solaroak gets consistent praise for fast turnaround on hot water system replacements, with named staff Dan and Matt noted for being responsive and upfront about pricing. Reviews go back several years with mostly positive results, though the sample is small at 30.
Pros
- Emergency same-day hot water installs
- Competitive heat pump pricing
- Named staff known for responsiveness
- End-to-end service from quote to maintenance
Watch out: One recent complaint describes a contractor coordination failure and unrepaired roof damage after payment.
Services: solar hot water, residential solar, solar energy company, solar energy system service
Plumbdog Plumbing South Perth
Why it ranks #13
Plumbdog Plumbing South Perth is a separate branch from the main Plumbdog listing, with named staff Richard and James praised for fast, tidy work and upfront quoting. Review volume is modest at 20, so this is a lower-confidence pick.
Pros
- Short-notice availability
- No callout fee for diagnostics
- Tidy workmanship, cleans up after the job
- Named licensed technicians
Watch out: One customer had a costly dispute over an online hot water system purchase and refund terms.
Services: solar panel maintenance service, solar hot water, solar energy company, solar energy system service
Green Energy WA
Why it ranks #14
Green Energy WA has 20-plus years in the hot water sector and two five-star reviews spanning a decade that both point to punctual arrival and transparent quoting. The sample is too small to weigh heavily, but what's there is clean.
Pros
- 20-plus years in the hot water sector
- Punctual arrival and follow-through on commitments
Watch out: Only two reviews on record, so treat this as a low-confidence read.
Services: solar hot water, warranty aftercare, solar energy company, solar energy system service
Renewable Guide
Why it ranks #15
Renewable Guide has a single five-star review on record, which isn't enough to establish a reliable pattern of service quality one way or the other.
Pros
- Sole review on record is five stars
Watch out: Only one review total, so there isn't enough evidence yet to judge consistency.
Services: residential solar, solar hot water, solar energy company, solar energy system service
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Guides before you choose
- Solar hot water system cost in Perth: price ranges and payback time
What drives the price of a solar hot water system in Perth: panel type, tank size, roof access, and how rebates change the sum.