
How Much is a Generac Whole Home Generator?
Understanding the Investment in Home Backup Power
If you're considering a Generac whole home generator, you're likely wondering about the costs involved. The price of a Generac whole home generator can vary significantly based on several factors, including the generator's size, installation requirements, and additional features. On average, homeowners can expect to spend between $5,000 to $15,000 for a complete installation, which includes the generator unit and necessary installation services. Investing in a whole home generator is not just about the initial purchase price; it's also about ensuring your home remains powered during outages. This guide will break down the costs, provide insights into what influences pricing, and offer tips on how to make an informed decision when purchasing a Generac generator.
How Much is a Generac Whole Home Generator?
The price of a Generac whole home generator can range from $5,000 to $15,000, depending on various factors. These factors include the generator's power output, installation complexity, and any additional features or accessories you might need. Below, we will explore these aspects in detail to help you understand the overall investment.
Factors Influencing the Cost
- Generator Size: Generac offers a range of generators from 7 kW to 22 kW. Larger generators capable of powering more appliances will typically cost more.
- Installation Costs: Professional installation is crucial for safety and compliance with local codes. Installation costs can vary based on your location and the complexity of the installation.
- Transfer Switch: A transfer switch is necessary for safely connecting your generator to your home’s electrical system. The type and size of the switch can affect the total cost.
- Additional Features: Options like automatic start, Wi-Fi monitoring, and extended warranties can add to the overall price.
Breakdown of Costs
To give you a clearer picture, here’s a breakdown of typical costs associated with purchasing and installing a Generac whole home generator:
Item | Estimated Cost |
---|---|
Generator Unit | $3,000 - $8,000 |
Installation | $1,000 - $5,000 |
Transfer Switch | $500 - $1,500 |
Additional Features | $200 - $1,000 |
Financing Options
Many homeowners may find the upfront cost of a Generac generator daunting. However, there are financing options available that can make this investment more manageable. Some local dealers offer financing plans, or you might consider a home improvement loan. Additionally, check if there are any local incentives or rebates for installing backup power systems.
Step-by-Step Guide to Purchasing a Generac Generator
Step 1: Assess Your Power Needs
Determine how much power you need by listing essential appliances and their wattage.
Step 2: Research Generac Models
Look into different Generac models that fit your power needs and budget.
Step 3: Get Quotes
Contact local dealers for quotes, including installation costs.
Step 4: Review Financing Options
Explore financing plans and choose the best option for your budget.
Step 5: Schedule Installation
Once you’ve made your decision, schedule the installation with a qualified technician.
Key Takeaways
- Generac whole home generators typically range from $5,000 to $15,000.
- Costs depend on generator size, installation complexity, and additional features.
- Professional installation is crucial for safety and compliance.
- Financing options are available to help manage upfront costs.
Quick Facts
Warning
- Always hire a licensed professional for installation.
- Ensure compliance with local building codes and regulations.

Jaden Bohman is a researcher led writer and editor focused on productivity, technology, and evidence based workflows. Jaden blends academic rigor with real world testing to deliver clear, actionable advice readers can trust.
How we created this article
This piece was drafted using editorial templates and may include AI-assisted sections. All content is reviewed by the InfoBase editorial team for accuracy, clarity, and usefulness before publishing.