Standby Generator, 48 kW | With ecobee by Generac Smart Thermostat | 120/240 V 1-Phase | CA-MA Emissions

Thousands of homeowners and business owners trust their Protector Series automatic backup generator to power their entire home or business during a power outage. A Protector Series generator senses a power outage, turns on automatically, and delivers power for your entire home, including all large appliances and sensitive electronics. Sound levels are quieter with no change in level or tone. This allows you to continue living life comfortability and keep business operating without interruption.

Generac 48kW Ecobee Generator

The Generac 48kW Ecobee Generator provides dependable standby power for residential and light commercial use, meeting strict CA-MA emissions standards. Equipped with the Ecobee by Generac Smart Thermostat, this generator offers both comfort and efficiency, ensuring your home or business stays powered during outages while maintaining optimal energy use. It features a corrosion-resistant aluminum enclosure, small footprint, and surge capacity to handle high startup loads for appliances and systems.

Key Benefits of Generac 48kW Ecobee Generator

  • Smart Thermostat Integration – Ecobee enables remote monitoring and energy optimization.
  • Quiet-Test™ Mode – Low-speed self-test for reduced fuel consumption and noise.
  • TruePower™ Technology – Clean power delivery with less than 5% total harmonic distortion.
  • Cellular Connectivity – Monitor status remotely via Mobile Link and Generac Service Fleet.
  • Corrosion Resistance – Aluminum housing and stainless steel exhaust for long-lasting performance.
  • Fuel Flexibility – Operates on liquid propane or natural gas.

Common Applications

  • Residential homes requiring full backup coverage
  • Small businesses with essential equipment
  • Properties in CA-MA compliant regions

Packaging

Includes generator unit, Ecobee Smart Thermostat, aluminum enclosure, integrated Evolution controller, and installation instructions. Battery not included.

Product Properties

Property Value
Fuel Type Liquid Propane or Natural Gas
Running Watts 48000
Engine Size 4.5 L
Battery Size Group 27
Battery Type Flooded Lead Acid
Controller Type Evolution
Enclosure Aluminum
Weight 1781 lb
Dimensions (L x W x H) 83.4 in x 34 in x 45.2 in
Quiet-Test Yes

For the 3-phase version, see the Generac 48kW 3-Phase Generator. Learn more at Generac.com.

Technical Documents