Rinnai Enviroflo V2 Heat Pump Review: Is This the Best Energy-Efficient Upgrade for Aussie Homes?

Apr 16, 2023

The Rinnai Enviroflo V2 is Rinnai’s latest-generation heat pump hot water system—designed and built right here in Australia. Offering a high-performance COP of 7.22, ultra-low noise levels, and compatibility with renewable energy, it’s positioned as one of the most efficient and sustainable hot water options on the market. But does it live up to the hype?

Let’s break down its key features, drawbacks, and whether it’s the right fit for your home.

🔋 Energy Efficiency & Performance

The Enviroflo V2 slashes energy use by over 70% compared to traditional electric storage tanks.

COP of 7.22 at 32.6°C ambient and 21.1°C cold water inlet
Uses just 3.4 kW input for 4.29 kW output
Operating range: -1°C to 45°C ambient
Low noise output: just 48 dB(A)
R290 refrigerant (only 270g), with near-zero GWP

💡 Pro Tip: Pair with solar PV and run during the day to maximize free energy usage.

🛠️ Models, Sizes & Installation Flexibility

Available in 250L and 315L models, the Rinnai Enviroflo V2 is suited to small and large households alike.

Customisable anodes (magnesium or hard water)
Single element boost for fast recovery
Anti-frost function to protect the evaporator
Compact footprint, ideal for tight spaces

🚫 Note: The unit height may limit installation in low-clearance areas. Packaging issues have also led to occasional transport damage.

💬 JR Gas & Water can recommend secure transport options and optimal install locations.

⚙️ Controls & Smart Features

Rinnai’s intelligent controller constantly monitors system performance, adjusting output to match your household’s needs.

Auto restart after power loss
Max/Mid/Eco modes to match seasonal demand
Optional Wi-Fi timer for remote operation and reduced costs
Legionella auto-disinfection cycle for water safety

💡 Check with JR Gas & Water for model-specific smart features before purchase.

💧 Safety & Durability

The Enviroflo V2 is engineered to handle tough Australian conditions.

Rated for up to 1000 kPa water pressure
Durable materials for outdoor installation
Auto-disinfection for Legionella prevention
Low environmental impact with R290 refrigerant

🔒 Backed by Rinnai’s decades-long reputation for high-quality Australian hot water systems.

💰 Cost Analysis & Government Incentives

While the upfront price is higher than a standard electric tank, the long-term savings more than make up for it.

Eligible for STC rebates under the Federal Small-scale Renewable Energy Scheme
State grants available in NSW and VIC for approved installations
Reduced running costs = huge savings on electricity bills over time
Perfect replacement for electric storage tanks

💬 Ask JR Gas & Water about your STC eligibility and rebate value.

👷 Retrofit Compatibility

The Enviroflo V2 is one of the easiest heat pumps to retrofit, thanks to its:

Standard pipe alignment
Adjustable anode options
Lightweight build for quick install
Compact design to suit tight spots

📌 JR Gas & Water offers full supply & install packages across Brisbane and the Gold Coast.

Final Verdict: Should You Buy the Rinnai Enviroflo V2?

⭐ Rating: 4.6/5

✅ Pros:
✔ Up to 70% energy savings
✔ 250L and 315L models available
✔ Compact and weather-resistant
✔ Excellent noise control (48 dB)
✔ R290 refrigerant = ultra-low GWP
✔ Compatible with STCs and state rebates
✔ Designed and made in Australia

❌ Cons:
❌ Tall unit may limit install in low-clearance areas
❌ Some transport damage reported
❌ Not the cheapest upfront

🛠️ Let JR Gas & Water Install It Right—First Time

With over 500+ 5-star reviews, JR Gas & Water is your trusted Rinnai-certified installer. We’ll handle supply, install, and government rebate paperwork—making the switch easy and cost-effective.

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