Replace gas or electric
Move from ageing storage or continuous flow to efficient heat-pump hot water.
Plan my replacement →OUR WORK
Heat-pump hot-water systems installed by Optimus Plumbing across residential and commercial projects.
SPECIALIST HOT WATER & PLUMBING
Hot water systems.
Designed around
real demand.
High-efficiency heat-pump hot-water systems, designed around the real demand—from one family home to an entire commercial facility.
Operating since 1998QLD & NSW licensedResidential to commercial
25+ yearsfield experience
−10°Ccold-climate solutions
1 home → 200 roomssystems sized to demand
RESIDENTIAL
Don’t just buy a tank.
Choose the right system.
Household size, climate, solar, tariff, power and recovery all matter. We compare the options and specify the right unit—not simply the most expensive one.
Use solar better
Schedule hot-water production to make better use of rooftop PV.
Assess my home →Get honest payback
We weigh demand and energy cost before recommending a premium option.
Compare systems →PRODUCTS & SHOP
Products we trust
in the field.
Browse proven starting points. Pricing is confirmed after site conditions, electrical needs, freight and rebate eligibility are checked.
Reclaim CO₂ Split
315–400 LCold-climate performance with low-GWP CO₂ refrigerant.
Installed quote availableView product details →
Panasonic CO₂ Split
315–400 LEfficient CO₂ hot-water generation paired with purpose-sized storage for residential demand.
Installed quote availableView product details →Reclaim R290
287 LA compact premium upgrade for efficient household hot water.
Installed quote availableView product details →
Haier Monoblock
200 / 250 / 330 LR290 monoblock models with SmartHQ control, built for operation from −7°C to 45°C.
Installed quote availableView product details →
Apricus All-in-One
All-in-oneA practical mid-market replacement for electric or gas systems.
Installed quote availableView product details →Apricus Solar
Evacuated-tube systemSolar hot water with efficient evacuated-tube collectors and purpose-matched storage.
Installed quote availableView product details →
Thermastore Heatwave 270
270 LA smart all-in-one heat-pump water heater suited to straightforward residential replacement projects.
Installed quote availableView product details →
EvoHeat
150–315 LResidential heat pumps across compact, mid-size and larger household capacities.
Installed quote availableView product details →
Envirosun
200–330 LAll-in-one heat-pump hot water for efficient family-home replacements.
Installed quote availableView product details →
MHI Q-ton
30–480 kW modular plantA high-efficiency air-to-water CO₂ heat-pump solution engineered around real commercial hot-water demand.
Project pricingView product details →All website pricing is indicative until scope and product suitability are confirmed. Electrical work, travel, freight, access and rebate eligibility may affect the final price.
COMMERCIAL CAPABILITY
Engineered around peak demand.
Installed for long-term service.
We assess generation, usable storage, recovery, redundancy, electrical demand, hydraulic integration and access—not just catalogue output.
Motels & accommodation
Peak occupancy, recovery and staged redundancy.
Schools & community
Gas replacement, hydronics and staged renewal.
Aged care
Reliable plant and serviceable ring-main integration.
Industrial facilities
Storage, metering and process-hot-water systems.
THE OPTIMUS APPROACHThe plant is only reliable when the whole system is considered.
Discuss a projectWHY OPTIMUS
Global perspective.
Local approach.
Personal service.
Optimus Plumbing combines modern technology with an old-school service ethos. Our residential, multi-unit CO₂ and commercial plant experience changes the questions we ask—and prevents expensive mistakes before installation.
- Clear scope, assumptions and exclusions
- Options matched to budget and real demand
- Hydraulics designed for isolation and service
- Regional cold-climate experience
START A CONVERSATION
Tell us what needs hot water.
Home, motel, school, aged-care facility or industrial site—we’ll ask the right questions and recommend the next step.
0457 779 888service@optimus.plumbingONLINE ENQUIRY
Send your details directly to Optimus Plumbing.
Use our secure Fergus form to tell us about your existing system, location and hot-water needs. Your enquiry will be recorded for follow-up.
Open quote enquiry form →The form opens securely in a new window.