On-Demand Hot Water, Done Right
Tankless water heaters heat water only when you need it, giving your family endless hot water while cutting energy use and freeing up space. But they must be sized and installed correctly to perform - that's where WaterLine Plumbing comes in.
Our certified technicians size your unit to your household's demand, upgrade gas and venting as needed, and register your warranty. The result is efficient, reliable hot water for decades.
Tankless Services
Tankless Installation
Expert sizing and installation of gas and electric tankless units.
Tank-to-Tankless Conversion
Upgrade from a traditional tank with all required modifications.
Descaling & Maintenance
Annual flushing that keeps your unit efficient and warranty-valid.
Tankless Repair
Diagnose and fix error codes, flow, and ignition issues.
Gas Line Upgrades
Ensure your gas supply meets tankless demand safely.
Recirculation Systems
Add instant hot water at the tap with a recirculation loop.
Why Choose Us Over the Competition
Anyone can fix a pipe. We earn your trust with honesty, expertise, and guarantees other companies won't match.
Upfront Pricing
Flat-rate quotes approved before we start. No hidden fees or overtime surprises.
Licensed & Insured
Red Seal certified, TSBC licensed, and fully insured for your protection.
Same-Day Service
Fast appointments and true 24/7 emergency response across the Lower Mainland.
Satisfaction Guarantee
Every job is backed in writing. If you're not happy, we make it right.
How It Works
Getting help from WaterLine Plumbing is fast and stress-free, from your first call to a job done right.
Call or Book Online
Reach us 24/7. We schedule a convenient time and confirm your upfront pricing.
Expert Diagnosis
A licensed technician inspects the issue and explains your options in plain language.
Approve the Price
You approve a flat-rate price before any work begins, with no surprises, ever.
Guaranteed Repair
We complete the work cleanly and back it with our written satisfaction guarantee.
What Our Customers Say
"The technician was polite and took care of a complex water heater problem quickly. Took the time to explain everything to me. I am very pleased with the service!"
Sarah M.
Surrey, BC
"Louis was very professional and did a fantastic job getting my plumbing working. Will definitely use WaterLine Plumbing again for all my plumbing needs."
James K.
Langley, BC
"Jason was polite, explained his assessment thoroughly, and definitely went the extra mile to get us set up. Excellent emergency service at 2 AM!"
Michelle T.
White Rock, BC
"The technician was polite and took care of a complex water heater problem quickly. Took the time to explain everything to me. I am very pleased with the service!"
Sarah M.
Surrey, BC
Why the Lower Mainland Trusts WaterLine Plumbing
Accredited, licensed, and independently reviewed. WaterLine Plumbing meets the highest standards for safety, quality, and customer trust.
Tankless Water Heaters FAQs
How long do tankless water heaters last?
With regular maintenance, a quality tankless unit can last 20 years or more - roughly double the lifespan of a traditional tank.
Do tankless heaters need maintenance?
Yes. Annual descaling keeps the unit efficient and maintains the manufacturer warranty, especially in areas with harder water.
Are there rebates for tankless units?
Energy-efficient tankless units often qualify for utility rebates. We'll help you identify and apply for any available programs.
Proudly Serving Surrey & the Lower Mainland
Local, licensed technicians ready to help in your neighborhood.
- Surrey
- Langley
- White Rock
- Delta
- Cloverdale
- Newton
- Fleetwood
- Guildford
- South Surrey
- North Delta
- Langley City
- Walnut Grove
Related Services
One trusted team for all your home's plumbing, heating, and comfort needs.