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Energy Efficient Hot Water

Tankless Water Heater Installation in Gatineau

Endless hot water on demand. Tankless water heaters heat water only when you need it, saving energy and providing unlimited hot water for your family. We install and service all major brands.

RBQ Licensed
Energy Savings
All Major Brands

Complete Tankless Water Heaters in Gatineau

Tankless water heaters—also called instantaneous or on-demand water heaters—heat water only when you need it, eliminating standby energy loss from maintaining a tank of hot water. Plombier Gatineau installs, repairs, and services tankless water heaters throughout the Outaouais region, helping homeowners enjoy endless hot water with reduced energy costs.

Tankless units are more complex than traditional tank water heaters and require professional installation and service. Proper sizing is critical—an undersized unit won't meet your household's hot water demands during peak usage. Gas models require appropriate venting, and all units need adequate electrical and water supply. We ensure your tankless installation is done right.

Tankless Water Heater Issues We Handle

Our licensed plumbers have the experience and equipment to handle:

  • No Hot Water — Tankless units can fail to ignite due to gas, electrical, or flow sensor issues.
  • Inconsistent Temperature — Fluctuating temperatures often indicate flow rate or sizing problems.
  • Error Codes — Tankless units display error codes that require professional diagnosis.
  • Scale Buildup — Hard water causes scale accumulation requiring regular descaling.
  • Cold Water Sandwich — Brief cold water bursts between uses can be addressed with buffer tanks.
  • Insufficient Capacity — Units that can't keep up may be undersized for your demand.

Our Tankless Water Heater Service Process

Here's what to expect when you call us:

  1. Demand Assessment — We calculate your household's hot water requirements to ensure proper sizing.
  2. Installation Planning — We determine optimal location, venting, and utility requirements.
  3. Professional Installation — We install with proper gas/electrical connections and venting.
  4. System Configuration — We adjust settings for optimal performance in your home.
  5. Descaling Service — We perform regular descaling to maintain efficiency and lifespan.
  6. Repair Service — We diagnose and repair all tankless water heater problems.

Why Choose Us for Tankless Service

Homeowners throughout Gatineau and the Outaouais choose us because:

  • Proper Sizing — We ensure your unit meets actual household demand.
  • Gas & Electric — We install and service both gas and electric tankless units.
  • All Brands — We work with Rinnai, Navien, Noritz, Rheem, and all major manufacturers.
  • Code Compliance — Proper installation meets all building and safety codes.
  • Maintenance Service — Regular descaling extends life and maintains efficiency.
  • Expert Repairs — We diagnose error codes and repair all tankless issues.

Need Service Today?

Contact us for same-day service and free estimates.

Frequently Asked Questions

Most homeowners save 20-30% on water heating costs. The exact savings depend on your current usage, energy rates, and the efficiency of your old system. Higher-usage households see greater savings.

Sizing depends on your peak hot water demand (how many fixtures running simultaneously) and incoming water temperature. In Quebec's cold climate, you typically need a higher-capacity unit. We calculate proper sizing during consultation.

Yes, upfront costs are higher — typically $3,000-$5,500 installed vs $1,500-$2,500 for tank heaters. However, longer lifespan (15-20 years) and energy savings often make tankless more economical over time.

Yes, annual flushing is recommended to remove mineral scale buildup, especially with hard water. This maintains efficiency and prevents problems. We offer maintenance plans.

Yes, if properly sized. We calculate your home's peak demand to ensure your tankless unit can handle simultaneous hot water needs. Larger homes may need multiple units or a high-capacity model.

Questions for a tankless installation or service request

Tankless describes how water is heated, not the energy source. State whether the request concerns an existing gas or electric unit, or a proposed conversion from a storage tank. Keep the model and installation documents available so the discussion concerns the equipment actually present.

For a new system, list the hot-water uses that may operate together, such as showers and laundry. Ask how the proposed model and existing energy supply will be evaluated for that demand. A compact cabinet or a claim of continuous hot water should not replace a discussion of the installation requirements.

For an existing unit, record any displayed code, when the issue occurs and whether it affects one outlet or the whole property. Share previous maintenance records and known water-treatment information. Ask for model-specific maintenance guidance and a clear distinction between servicing the heater and changing the installation. Do not assume that every tankless unit follows the same service schedule.

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