Gas Hot Water Installations

GAS HOT WATER INSTALLATIONS 

Efficient, reliable gas hot water solutions for your home. Whether you’re after a new gas installation or upgrading, we’ve got you covered! 

Gas Hot Water Installations, Servicing & Replacements

Need to upgrade, repair, or switch to gas hot water? We’ve got you covered.

Every job is completed by Jason, your Licensed Certifying Gasfitter with 265+ 5-star reviews.

 Expect safe, reliable solutions, tailored to your home and water usage.

We provide free, no-obligation quotes Auckland-wide, with transparent pricing and no hidden costs.


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Got a question or ready to book a quote? Call or email us for a quick friendly response.

0800 587 427

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NEW GAS HOT WATER INSTALLATIONS

From $3375.25 inc gst

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REPLACEMENT  GAS HOT WATER INSTALLATIONS

From $2328.75 inc gst

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GAS HOT WATER HEATER SERVICE

From $293.25 inc gst

Get hot water on demand 

If you're searching for a hot water system that’s reliable, energy-efficient, and built to perform, a Rinnai instantaneous gas hot water system could be the perfect choice for your home.

At JVS Gasfitting, we know how important it is to have hot water exactly when you need it, no waiting, no running out. 

That’s why we recommend Rinnai continuous flow hot water systems to our Auckland customers. 

These systems heat water only as it’s needed, giving you hot water on demand while helping to reduce energy costs.

Rinnai is a trusted name in hot water, known for high-quality units that are built to last.

Whether you're upgrading an old system or installing gas hot water for the first time, we can help you choose the right Rinnai model for your property.

As specialists in Auckland gas hot water installations, we’ll make sure the entire process is smooth, safe, and tailored to your home’s needs.

Call us on 0800 587 427 or  email info@jvsgasfitting.co.nz to book a consultation or get a free quote today.

Gas hot water installation: Costs & factors

One of the first questions we hear from homeowners is: “How much will it cost to install a gas hot water system?” It’s a great question and the honest answer is that it depends on a few key factors.

The cost of your gas hot water installation will vary based on things like the brand and size of the unit you choose, how much piping is required, and the complexity of the installation. Every home is different, which is why there’s no one-size-fits-all price.

Placement of the unit also plays a big role. Installation regulations require specific clearances from windows, heat pump units, and other structures. Getting the placement right ensures your system is compliant, safe, and performs at its best.

To give you a clear and accurate quote, we always carry out an on-site inspection. By seeing your setup in person, we can identify any challenges upfront and provide a detailed, transparent quote with no hidden surprises.

At JVS Gasfitting, we believe peace of mind matters just as much as reliable hot water. That’s why we take the time to understand your needs and get it right from the start.

Call 0800 587 427 or email info@jvsgasfitting.co.nz to book your free on-site assessment today.

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Transparent Pricing

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Servicing Auckland Wide

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20+ years experience

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250+ 5 Star ratings for Jason alone!

Time to replace or upgrade your gas hot water unit? 

Has your gas hot water system stopped working? Or maybe it’s just not keeping up with your household’s growing needs anymore? As life changes, so do the demands on your home and what once worked perfectly may now be falling short.

If you're considering a gas hot water replacement, you're not alone. Many homeowners reach a point where upgrading to a more reliable or higher capacity system just makes sense. Whether your current unit is struggling or completely broken down, we’re here to help.

To give you a clearer idea of what to expect, we’ve put together a starting price guide below. This will help you plan ahead and understand the typical costs involved with a gas hot water replacement in Auckland.

Call us on 0800 587 427 or email info@jvsgasfitting.co.nz to chat about the best replacement options for your home.

Thinking about switching to gas or upgrading your gas hot water? Let’s chat about how we can help

Keep your gas hot water system running safely and efficiently

Using gas to heat your water is a cost-effective and efficient choice but like any gas appliance, your gas hot water system needs regular maintenance to keep it running safely and at peak performance.

Over time, even the best units can lose efficiency or develop safety issues. That’s why we always recommend booking a regular gas hot water service. Servicing helps catch potential problems early, ensures your unit is operating efficiently, and makes sure you're not paying more for gas than you need to.

It’s important that your gas hot water unit is checked by a licensed and registered gasfitter not just for safety, but to meet compliance standards.

At JVS Gasfitting, we’ve been servicing and installing gas hot water systems across Auckland for years. When we service your unit, we also provide a gas safety certificate, which is often required for insurance purposes.

Call 0800 587 427 or email info@jvsgasfitting.co.nz to book your gas hot water service today and keep your system running safely and efficiently.

FAQ

Reasons to choose a gas hot water system

Instantaneous (or continuous flow) gas hot water systems offer a smart, energy-efficient way to heat water in your home. Here are some of the key benefits:

✅ Endless Hot Water – Water is heated only when you need it, so you’ll never run out, perfect for busy households.

✅ Energy Efficient – No need to keep a full tank heated all day, helping reduce gas usage and lower your energy bills.

✅ Compact & Space-Saving – Wall-mounted units are sleek and take up far less space than traditional hot water cylinders.

✅ Reliable Performance – With fewer moving parts than storage systems, they’re known for long-lasting, low-maintenance operation.

✅ Precise Temperature Control – Many models include digital controllers, letting us set the correct water temperature for comfort and safety.

How much does it cost to install a gas hot water system in Auckland?

Installation costs can vary depending on the type and size of the unit, how much piping is required, and the complexity of the job. We offer free on-site assessments to provide an accurate quote tailored to your home. This way there are no surprse costs at the end of the job and you're not paying more than what is required for your job.

What’s the difference between instantaneous and storage gas hot water systems?

Instantaneous (or continuous flow) systems heat water only when you need it, making them more energy-efficient than storage systems that keep a tank of water heated at all times.

How often should a gas hot water system be serviced?

We recommend having your system serviced every 1–2 years by a licensed gasfitter to ensure it’s running safely and efficiently. Regular servicing can also extend the lifespan of your unit and keep gas costs down. Its important to follow the manufactures servcing requirements which can be found in their installation instructions.

What size gas hot water system do I need?

The right size depends on how many people live in your home and how many bathrooms you have.We’ll help you choose the right system based on your household’s needs.

Can I replace an electric hot water cylinder with a gas system?

Yes, you can switch from electric to gas, and many homeowners do to enjoy the benefits that gas hot water provides. We'll assess your property to determine the best installation approach and ensure compliance with gas fitting regulations.

How long does a gas hot water system last?

With regular servicing, a Rinnai gas hot water system can last up to 20 - 25 years. We can advise you on when it’s time to consider a replacement based on performance and age.

 GAS HOT WATER GALLERY

Rinnai gas infinity on house


Close up of Rinnai Infinity on weather board house


Rinnai gas infinity on house


Gas hot water unit during service


Rinnai gas infinity on house


Gas hot water unit opened and being serviced


Rinnai infinity on house


Rinnai gas hot water unit on brick house


READY TO USE OUR SERVICES AND JOIN OUR LIST OF SATISFIED CUSTOMERS

We are more then happy to answer any questions you may have so please don't hesitate to get in touch.

  0800 587 427

  info@jvsgasfitting.co.nz

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