Generac Generators vs Standard Generators — Which One’s Right for Your Home?

Before diving into brand or model comparisons, it’s helpful to understand the two main categories of generators:

Standard / Traditional Generators (Portable or Open-Frame Units)

These are the common portable units you can bring along or set up as needed. They typically run on gasoline, propane, or diesel and require manual setup, refueling, and sometimes manual load switching.

Standby / Automatic Generators (e.g., Generac Models)

These are permanently installed systems wired into your home via a transfer switch. They automatically detect power outages and seamlessly restore power without requiring your presence. Standby generators often run on natural gas or propane, offering uninterrupted power for your home.

Generac is a leading name in the standby generator market, though they also offer inverter and portable models.

Key Comparison Factors

When choosing between a Generac standby generator and a standard portable generator, consider these factors:

Automatic Operation

• Standby Generators: Automatically detect outages and switch power via a transfer switch.

• Portable Generators: Require manual startup and load switching.

Power Delivery & Load Management

• Standby Generators: Designed to power essential circuits or provide whole-home backup, depending on size.

• Portable Generators: Best for selective loads, tools, or emergency essentials.

Fuel Source & Supply

• Standby Generators: Use natural gas or propane, often with a continuous fuel line.

• Portable Generators: Use gasoline, diesel, or propane, which must be stored and replenished.

Noise & Vibration

• Standby Generators: Many models are engineered for quieter operation, ideal for residential use.

• Portable Generators: Tend to be louder with less sound insulation.

Power Quality & Electronics Safety

• Standby Generators: High-end models provide stable voltage, protecting sensitive electronics.

• Portable Generators: Lower-end units may have higher distortion (THD), which can risk damage to electronics.

Capacity & Scalability

• Standby Generators: Available in higher kW sizes to support entire homes.

• Portable Generators: Typically have lower maximum output.

Cost

• Standby Generators: Higher upfront cost (equipment + installation).

• Portable Generators: Lower initial cost, but fuel, maintenance, and handling add up over time.

Maintenance & Longevity

• Standby Generators: Designed for regular testing, periodic maintenance, and long-term reliability.

• Portable Generators: Require more hands-on maintenance, fuel checks, and manual testing.

Convenience

• Standby Generators: Seamless operation—“set it and forget it.” You may not even notice a power outage.

• Portable Generators: Require manual effort—setup, refueling, and load management.

Pros & Cons: What You Gain & What You Give Up

Why Choose a Generac Standby Generator?

• Hands-off operation: Automatically starts and switches power during outages.

• Supports more loads: Can power heating, sump pumps, refrigerators, lights, and more.

• Better for long outages: Continuous fuel supply (via gas line) or larger propane tanks.

• Cleaner, stable power: Safer for sensitive electronics.

• Higher property value: A significant home upgrade.

• Quieter operation: Designed for residential settings.

Why Choose a Standard Portable Generator?

• Lower upfront cost: More affordable to purchase.

• Portability: Can be moved to job sites, camping trips, or remote locations.

• Flexibility: Powers specific devices or circuits as needed.

• Simplicity: Fewer installation requirements for small-scale needs.

Cons of Portable Generators:

• Noisy and less convenient for daily use.

• Requires manual labor (starting, refueling, switching loads).

• Higher risk of under-sizing or mismanaging loads.

• Less durable for continuous, heavy use.

A Real-World Scenario: Which Fits Better?

Imagine this:

• You live in Bethlehem, PA, in a single-family home.

• You want to keep your refrigerator, sump pump, heating system, and critical outlets powered during an outage.

• You prefer a solution that doesn’t require your intervention in bad weather.

In this case, a Generac standby generator is likely the better choice. While it has a higher upfront cost (equipment + installation), the benefits—automatic operation, better load support, and quieter performance—make it a reliable, long-term solution.

However, if you only experience occasional, short-term outages and need backup for a few devices, a portable generator may suffice.

What to Consider Before You Buy

1. Load Calculation: Identify which loads you need to power during an outage (e.g., heat, sump pump, fridge, lights, WiFi).

2. Fuel Source Availability: Check if you have access to natural gas or propane lines.

3. Budget & ROI: Compare the total cost of a standby system (equipment + installation + maintenance) versus a portable unit and fuel over time.

4. Noise & Local Permits: Some areas have restrictions on noise or generator placement.

5. Maintenance Plan: Regular servicing is essential for reliability.

6. Warranty & Support: Reputable brands like Generac offer parts availability, service networks, and warranties.

How Werkheiser Electric Can Help

At Werkheiser Electric, we specialize in:

• Evaluating your home’s electrical load.

• Recommending the right generator size and model.

• Handling professional installation, including transfer switch wiring.

• Ensuring compliance with local codes and permits.

• Providing maintenance and servicing to keep your generator reliable.

Whether you’re looking for a full-home standby generator or need help comparing models, we’re here to help. We’ll visit your property, recommend the best solution, and handle the entire installation—so you can rest easy when the lights go out.