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The Key Steps for a Successful Installation of Your Generac Automatic Generator

In a province like Québec, where ice storms, high winds, and overloaded grids cause thousands of power outages each year, installing a Generac automatic generator is no longer just a luxury — it's a smart investment in your home’s comfort and safety. But setting up a generator isn't just about plugging it in. It involves strict compliance with the Québec Construction Code, the Canadian Electrical Code (CSA C22.1), and municipal regulations around noise and gas.

Here are the seven critical steps that ERCO’s certified professionals follow to ensure your installation is efficient, fully compliant, and built to last.

1. Power Needs Assessment: Your Energy Blueprint

Every project starts with a home energy audit. An ERCO technician creates a load table of your critical appliances: heat pumps, furnaces, refrigerators, sump pumps, Wi-Fi routers, medical equipment, etc.

  • Peak load calculation: total wattage and surge power.
  • Simultaneous usage factor: not all devices run at once, so we right-size your generator efficiently.
  • Future-proofing: planning to add an EV charger or pool heater? We recommend a 10% buffer for long-term performance.

The result determines the correct generator size — usually between 14 kW and 26 kW for single-family homes — ensuring reliable performance without overloading or unnecessary fuel consumption.

2. Choosing the Right Location: Safety, Compliance & Noise Control

A standby generator must always be installed outdoors, as it runs on combustion. ERCO’s site visit identifies the best location based on:

  • Regulation clearance: minimum 5 feet from windows, vents, and gas meters.
  • Airflow and ventilation: the generator must have space to breathe on all sides.
  • Municipal noise bylaws: Generac models operate at just 65 dB under load — comparable to a central AC unit.

Locating the generator close to your electrical panel and gas source reduces conduit lengths and installation costs.

3. Preparing the Base: Stable, Weather-Resistant Support

Stability is key. Without a solid base, your generator may vibrate, shift, or flood during snow and rain. ERCO offers two proven options:

  • Concrete slab: 4 inches thick with slight slope for water runoff.
  • Compacted gravel: 8 inches of crushed stone with anti-weed fabric and vibration-absorbing pads.

This base supports the unit’s weight and protects it from ground frost and flooding.

4. Electrical & Fuel Connections: Leave It to the Experts

Electrical

A certified master electrician installs the generator’s power cable inside a metal conduit to the transfer switch. All breakers are sized to code, and the system is properly grounded under Section 10 of the Canadian Electrical Code.

Fuel (Natural Gas or Propane)

A licensed gas fitter connects a steel Schedule 40 gas line and calibrates the system to maintain minimum pressure (up to 460 cu. ft./hr during startup). All joints are sealed to CSA 6.3 standards and pressure-tested before final hookup.

5. Installing the Automatic Transfer Switch (ATS)

The ATS is the brain of the system. It detects power outages and switches your home to generator power within 10 seconds. ERCO installs the ATS beside your main panel or uses a combined panel with integrated breakers and ATS controls. Benefits include:

  • No extension cords or back-feeding hazards
  • Clean circuit selection for critical appliances
  • Manual bypass switch for safe servicing

6. Testing, Activation & Owner Training

Once installed, the unit is filled with synthetic 5W-30 oil and test-run in manual mode. ERCO technicians verify:

  • Voltage & frequency: 240 V ±5%, 60 Hz
  • Startup surge capacity
  • Gas pressure range: 7–11" WC for natural gas
  • Mobile Link™ connectivity: App notifications fully enabled

We also give homeowners a hands-on tutorial: how to monitor your generator, schedule Quiet-Test™ self-checks, and identify any maintenance needs.

7. Ongoing Maintenance: Protecting Your Investment

Like any engine, a generator performs best when well-maintained. ERCO offers annual service plans that include:

  • Oil & filter change: every 200 hours or annually
  • Spark plug & air filter replacement: annually or every two years
  • Load testing: using a resistive bank to simulate 75% load for performance evaluation

With an ERCO+ Service Contract, you’ll also receive priority emergency service and a full digital performance report after each visit.

Conclusion: Peace of Mind, Powered by ERCO

Installing a Generac automatic generator is more than adding an appliance — it’s creating a reliable backup power system that keeps your family safe, your home protected, and your life uninterrupted during a power outage.

With ERCO, you get:

  • Full compliance with Québec’s electrical and gas standards
  • Accurate generator sizing tailored to your real needs
  • True turnkey service: permits, coordination, installation, testing, and aftercare

Ready to protect your home with confidence? Contact ERCO today for a free power needs assessment and join the hundreds of Québec homeowners who rest easy knowing their Generac generator is installed and maintained by experts.

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