Home Standby Generators

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Never Be Without Power

Power outages are becoming more frequent with weather, power line failures, and rolling brownouts. A brief power outage can be an inconvienence, but outages can quickly stretch from hours into days. Once bad weather hits, it's too late.

Get peace of mind and keep your family safe and comfortable.

Keep your food from spoiling, your air conditioning and heating system running, and your lights on - no matter how long the power is out.

Fully automatic, convenient uninterrupted performance.

An automatic standby generator is a backup power supply for your home. Conveniently connected to a permanent natural gas or liquid propane fuel source, you'll never have to worry about refueling the unit. Standby generators seamlessly integrate with your electrical system, automatically starting when it detects an utility power outage - whether you are at home or away. When power returns, the generator shuts off.

SRE will help you choose a system that meets your needs.

Proper sizing and installation of your generator is critical to ensuring that it is ready to operate when the power goes out. Whether your goal is to maintain key appliances and lighting, or to keep all the comforts of your home, such as central air conditioning, SRE will help you find the perfect system to fit your needs. Then we'll handle delivery, installation (including concrete pad for installation), and full electrical and gas interconnection. SRE offers generators from all major manufacturers, including Briggs & Stratton, Rheem, Ruud, Lennox, Kohler, and Generac.

Residential Backup Generator Information

Sizing Generators

The following table gives approximate sizing for residential backup generators based on the square footage of the house. Electrical loads can vary significantly for house to house, but this table can be used as a rule of thumb.

Rated Generator Capacity	House Area, ft²
8 kW	1600
12 kW	2000
18 kW	3000
30 kW	5000
35 kW	6000
45 kW	8000

8kW/ 1600 ft² Generator Series



Manufacturer: Continuous kW Rating (NG): Surge kW Rating (NG): Sound: Dimensions (LxWxH): Weight:	Kohler, RES 6.3 kW NS 65 dB(A) 44.2”x 28.6”x 31.6” 400 lbs	Briggs & Stratton, EmPower 6.0 kW 9.0 kW 81 dB(A) 32” x 34.25” x 38.5” 280 lbs	Generac, Guardian 7.0 kW NS 62 dB(A) 48” x 25” x 29” 340 lbs

12kW/ 2600 ft²Generator Series



Manufacturer: Continuous kW Rating (NG): Surge kW Rating (NG): Sound: Dimensions (LxWxH): Weight:	Kohler, RES 10.4 kW NS 65 dB(A) 44.5”x 30.5”x 32.5” 410 lbs	Briggs & Stratton, IntelliGEN 11.0 kW 14.5 kW 65 dB(A) 49.7” x 33.75” x 31.6” 507 lbs	Generac, Guardian 13.0 kW NS 66 dB(A) 48” x 25” x 29” 439 lbs

17kW/ 3000 ft² Generator Series



Manufacturer: Continuous kW Rating (NG): Surge kW Rating (NG): Sound: Dimensions (LxWxH): Weight:	Kohler, RES 16.0 kW NS 68 dB(A) 47.2”x 28.6”x 31.6” 500 lbs	Briggs & Stratton, IntelliGEN 18.0 kW 25.0 kW 68 dB(A) 48.7” x 33.75” x 31.6” 568 lbs	Generac, Guardian 16.0 kW NS 66 dB(A) 48” x 25” x 29” 455 lbs

30kW/ 5000 ft² Generator Series



Manufacturer: Continuous kW Rating (NG): Surge kW Rating (NG): Sound: Dimensions (LxWxH): Weight:	Kohler, RES 27.0 kW NS 65 dB(A) 72.8”x 33.9”x 36.8” 475 lbs	Briggs & Stratton, IntelliGEN 27.0 kW 33.0 kW 65 dB(A) 84.5” x 39.5” x 41.5” 1800 lbs	Generac, Guardian 30.0 kW NS 75 dB(A) 62.2” x 29” x 33.5” 935 lbs

45kW/ 8000 ft² Generator Series



Manufacturer: Continuous kW Rating (NG): Surge kW Rating (NG): Sound: Dimensions (LxWxH): Weight:	Kohler, RES 42 kW NS 71 dB(A) 86.6”x 40.9”x 80” 985 lbs	Briggs & Stratton, IntelliGEN 42 kW 54 kW 65 dB(A) 95.8” x 39.5” x 44” 2100 lbs	Generac, Guardian 45 kW NS 73 dB(A) 76.8” x 33.5” x 45.1” 1414 lbs

100kW/ ft² Generator Series



Manufacturer: Continuous kW Rating (NG): Surge kW Rating (NG): Sound: Dimensions (LxWxH): Weight:	Kohler, RES 100 kW NS 75 dB(A) 94.5”x 40.9”x 89.9” NS	Generac, Guardian 45 kW NS 72 dB(A) 115.2” x 36.8” x 54.8” NS