Written by: Linda Chen
Last updated on: July 6th, 2026
Note: Rebate amounts and eligibility can change over time. For the latest incentives, visit our Current Rebates page.
You’re standing in the shower on a Monday morning. It’s cold outside — because this is the Lower Mainland and it’s always cold on a Monday morning — and someone flushed the toilet two minutes ago. Now the water’s gone lukewarm. Again.
If that sounds familiar, you already know the answer to the question in our title.
Tankless water heaters have been popular in Europe and Japan for decades, but they’ve really caught on in Greater Vancouver over the last few years — and it’s not hard to see why. A combination of rising energy costs, generous FortisBC rebates, and the sheer comfort of never running out of hot water has pushed a lot of homeowners to make the switch.
Here’s everything you need to know before you do.
What Is a Tankless Water Heater, Exactly?
A conventional water heater keeps a large tank of water — usually 40 to 60 gallons — hot around the clock, whether you’re using it or not. That means you’re paying to heat water at 2 a.m. on a Tuesday when everyone’s asleep.
A tankless unit (also called an on-demand or instantaneous water heater) works differently. There’s no tank. When you turn on a hot water tap, cold water travels through the unit, gets heated instantly by a gas burner, and flows out to you. The moment you turn the tap off, the burner shuts down. No standby heating. No wasted energy. No waiting for a tank to refill.
It’s a surprisingly simple idea, and the results speak for themselves.
The Real Advantages of Going Tankless
Endless hot water. This is the one that gets people. A properly sized tankless unit never runs out. You can run the dishwasher, shower, and do laundry simultaneously without anyone getting a cold surprise. For families or households with high hot water demand, this alone is often reason enough.
A lifespan that’s nearly double. A conventional tank water heater typically lasts 10 to 15 years before it starts corroding, leaking, or failing. A tankless unit, with basic annual maintenance, commonly lasts 20 years or more. When you spread the cost over the full lifespan, the math looks a lot better.
Lower energy bills. Because a tankless heater only runs when hot water is being used, it eliminates the “standby loss” that quietly drains energy from a tank unit 24 hours a day. For a typical household, this can translate to meaningful savings every year — and those savings add up over a 20-year lifespan.
Space back in your home. A tankless unit mounts on the wall — it’s roughly the size of a small suitcase. That frees up the floor space previously occupied by a large tank, which matters in Vancouver-area homes where every square foot counts.
Cleaner water. Over time, tank water heaters accumulate sediment and rust, especially in areas with harder water. With no tank sitting and collecting buildup, tankless units consistently deliver fresher, cleaner hot water.
Does a Tankless Water Heater Work in BC Winters?
This is the question we get most often, and it’s a fair one.
The short answer: yes, absolutely — when the unit is properly sized and installed.
Gas-fired tankless units from quality manufacturers like Rinnai are engineered specifically for cold-climate performance. Indoor models include built-in freeze protection down to extreme temperatures well below what Greater Vancouver ever sees, even in Squamish or the Fraser Valley during a cold snap.
The one thing to be mindful of is sizing. In winter, incoming groundwater is colder than in summer, which means the unit has to work harder to reach your target temperature. A properly sized unit accounts for this. This is exactly why installation matters — and why having a licensed gas contractor do an on-site assessment before recommending a unit is so important. At AireEnergy, we size every unit to your home’s specific hot water demand before we ever recommend a model.
What Does a Tankless Water Heater Cost in the Greater Vancouver Area?
Let’s be straightforward about this: a tankless water heater is a bigger upfront investment than replacing a conventional tank.
Installed, you’re typically looking at somewhere in the range of $3,000 to $8,000 depending on your home, the unit selected, the existing gas line and venting setup, and whether any retrofitting is needed. Most Vancouver-area homeowners land somewhere around $4,999 to $5,500 for a quality condensing unit with a full installation.
That sounds like a lot — until you factor in the FortisBC rebate, the financing options, and the fact that you likely won’t need to replace the unit for 20+ years (versus replacing a tank twice in the same window).
How the FortisBC Rebate Works in 2026
Here’s the current picture as of 2026.
FortisBC offers a rebate of up to $1,000 when you replace your existing natural gas water heater with a qualifying ENERGY STAR condensing tankless model. For a standard ENERGY STAR storage tank replacement (not tankless), the rebate is $200 — so the incentive clearly favours going tankless.
There’s also a $300 two-upgrade bonus available when you install two or more eligible energy-efficiency upgrades at the same time — for example, pairing a tankless water heater installation with a new high-efficiency furnace. Depending on the scope of your project, this bonus can go higher.
A quick note on the $3,000 figure you may have seen: FortisBC did previously offer an income-qualified rebate program that went up to $3,000 for qualifying households. That program closed in December 2025. The current standard rebate for most homeowners is up to $1,000. If you believe you may have qualified for the income-qualified program, it’s worth calling FortisBC directly to see if any similar programs are in the pipeline for 2026.
Who’s eligible for the standard rebate?
To qualify, you need to be a residential FortisBC natural gas customer replacing an existing primary natural gas water heater in your primary residence. The home needs to be at least 12 months old, and the installation must be completed by a Technical Safety BC–licensed gas contractor. Self-installs don’t qualify.
AireEnergy is a fully licensed gas contractor — and we handle the rebate paperwork for you, so you’re not chasing down invoices and permit numbers on your own time.
How to Claim Your FortisBC Rebate (Without the Headache)
In theory, the process works like this: you buy a qualifying ENERGY STAR model, have a licensed contractor install and permit it, then apply online through your FortisBC account with your itemized invoice, the installation permit number, and your contractor’s Technical Safety BC licence number. FortisBC then processes the application — which can take up to 90 days — and applies the rebate as a bill credit.
In practice, the paperwork can be a hassle if you’re doing it yourself for the first time. That’s why AireEnergy files the FortisBC rebate on your behalf. You get the installation done, and we handle the rest.
Is It Actually Worth It? Let’s Do the Math.
Say your installed cost comes to $5,000. After the $1,000 FortisBC rebate, you’re at $4,000. Spread over 20 years — the expected lifespan of a quality tankless unit — that’s $200 per year in capital cost.
Compare that to a conventional tank at roughly $1,500 installed, replaced every 12 years or so. Two replacements over the same 20-year window puts you at $3,000 in capital cost, plus the energy you’re burning on standby heating year-round.
Add the annual energy savings, and the break-even timeline shortens considerably. For households with high hot water demand — families with teenagers, homes with two or more bathrooms in regular use — the case gets even stronger.
The honest take: if you’re replacing a failing water heater and you plan to stay in your home for more than five to seven years, going tankless almost always makes financial sense. If you’re on a tight budget and just need something functional right now, a standard tank is still a fine choice — and we’ll tell you that honestly.
Serving Surrey, Langley, Burnaby, Coquitlam, Delta, and Squamish
AireEnergy installs and services tankless water heaters across the Greater Vancouver Area. Whether you’re in a detached home in Langley, a townhouse in Burnaby, a newer build in South Surrey, or a heritage property in Coquitlam, we’ve done installations in homes just like yours.
We offer same-day and 24/7 service because we know a failed water heater doesn’t check your schedule. And we’re members of the Home Performance Contractor Network (HPCN), which means we meet the standards FortisBC requires to participate in their rebate programs and file on your behalf.
Common Questions About Tankless Water Heaters
Can a tankless water heater run out of hot water? Not the way a tank can. A tankless unit doesn’t have a capacity limit in the traditional sense — it heats water continuously on demand. What it does have is a flow rate limit. If you run three showers, the dishwasher, and a washing machine all at once, a single unit may not keep up. The solution is proper sizing — or, for large households, a second unit.
How long do tankless water heaters last? With basic annual maintenance (descaling and a check of the heat exchanger), 20 years is a reasonable expectation. Some units last longer. That’s roughly double the lifespan of a conventional tank.
What maintenance does a tankless water heater need? Mainly an annual flush to remove mineral buildup, especially in areas with harder water. This keeps the heat exchanger running efficiently and extends the unit’s life. AireEnergy offers maintenance plans that include this.
Can I get a tankless water heater if I currently have an electric water heater? You’d need a natural gas line to qualify for the FortisBC tankless rebate. If you’re switching from electric and connecting to gas for the first time, there may be separate FortisBC Connect-to-Gas incentives worth exploring — give us a call and we can walk you through what’s available.
Does AireEnergy offer financing? Yes. We offer financing options that can bring your monthly cost down to something very manageable. A tankless water heater with installation can be financed for as low as $39.99 per month, which for most households is less than the energy savings it generates.
Ready to Make the Switch?
If your water heater is more than 10 years old, making strange noises, or just not keeping up with your household’s demand — now is a good time to think about replacing it. The FortisBC rebate of up to $1,000 for a condensing tankless unit is one of the better incentives currently available to homeowners in BC, and it won’t be around forever.
AireEnergy provides free, no-obligation assessments. We’ll look at your home, your hot water usage, and your current setup, and recommend the right unit — not the most expensive one. And when the time comes to claim your FortisBC rebate, we’ll handle the paperwork.
Call us at 1-855-847-7892 or book your free assessment online.
We serve Langley, Surrey, Delta, Coquitlam, Burnaby, Squamish, and the surrounding Greater Vancouver Area, 24 hours a day, 7 days a week.
Rebate programs and amounts are subject to change. Verify current FortisBC rebate eligibility and amounts at fortisbc.com before installation. AireEnergy is a Technical Safety BC–licensed gas contractor and HPCN member.
