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Off grid models available.

Providing essential
heat & power
when it's needed most.
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4.4 kW On-Grid Axiom CHP

  • Designed for single family homes, condominiums

  • L x W x H = 54” x 30.375” x 43” 

  • L x W x H = 1,371 x 771.5 x 1,092

  • Weight 860 lbs. (390 kg)

  • Super quiet 55 dB soundproof enclosure

  • Installed inside or outside in a weatherproof shed

  • Hot water and hydronic applications.

  • 394 Gj of heat yearly

  • 38,544 kW of electricity yearly

  • Approximately $11,560 worth of electricity produced yearly for use in your property, selling to the grid or both!

  • Product of USA

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5 kW On-Grid Yanmar CHP

  • Designed for single family homes or small businesses

  • L x W x H = 19.7” x 43.3” x 59.1”

  • L x W x H = 500 x 1,000 x 1,500 mm

  • Weight 882 lbs. (400 kg)

  • Super quiet 54 dB soundproof enclosure

  • Installed inside or outside 

  • Hot water and hydronic applications

  • Maximum H2O temperature 163F or 73C

  • Produces 315 Gj of heat yearly

  • Generates 43,800 kW of electricity yearly

  • Approximately $13,140 worth of electricity produced yearly for use in your property, selling to the grid or both!

  • Product of Japan / USA

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5 kW On/Off-Grid Yanmar CHP

  • Designed for single family homes or small businesses

  • L x W x H = 19.7” x 43.3” x 59.1”

  • L x W x H = 500 x 1,000 x 1,500 mm

  • Weight 882 lbs. (400 kg)

  • Super quiet 54 dB soundproof enclosure

  • Installed inside or outside 

  • Hot water and hydronic applications

  • Maximum H2O temperature 163F or 73C

  • Produces 315 Gj of heat yearly

  • Generates 43,800 kW of electricity yearly

  • Approximately $13,140 worth of electricity produced yearly for use in your property, selling to the grid or both!

  • Product of Japan / USA​

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10 kW On/Off-Grid Smart Power CHP

  • Designed for large single/multifamily homes, businesses

  • L x W x H = 64” x 31” x 37” 

  • L x W x H = 1,630 x 780 x 940 mm

  • Weight 1,279 lbs. (580 kg)

  • Super quiet 57 dB soundproof enclosure

  • Installed inside or outside in a weatherproof container

  • Hot water and hydronic applications

  • Maximum H2O temperature 167F or 75C

  • Produces 770 Gj of heat yearly

  • Generates 87,600 kW of electricity yearly

  • Approximately $26,280 worth of energy produced yearly for use in your property, selling to the grid or both!

  • Product of China​

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10 kW On-Grid Yanmar CHP

  • Designed for large single/multifamily homes, businesses

  • L x W x H = 58” x 32” x 71” 

  • L x W x H = 1,470 x 800 x 1,790 mm

  • Weight 1,630 lbs. (740 kg)

  • Super quiet 53 dB soundproof enclosure

  • Installed inside or outside 

  • Hot water and hydronic applications

  • Maximum H2O temperature 172F or 78C

  • Produces 535 Gj of heat yearly

  • Generates 87,600 kW of electricity yearly

  • Approximately $26,280 worth of energy produced yearly for use in your property, selling to the grid or both!

  • Product of Japan / USA

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10 kW On/Off-Grid Yanmar CHP

  • Designed for large single/multifamily homes, businesses

  • L x W x H = 58” x 32” x 71” 

  • L x W x H = 1,470 x 800 x 1,790 mm

  • Weight 1,630 lbs. (740 kg)

  • Super quiet 53 dB soundproof enclosure

  • Installed inside or outside 

  • Hot water and hydronic applications

  • Maximum H2O temperature 172F or 78C

  • Produces 535 Gj of heat yearly

  • Generates 87,600 kW of electricity yearly

  • Approximately $26,280 worth of energy produced yearly for use in your property, selling to the grid or both!

  • Product of Japan / USA​​

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22 kW On/Off-Grid Smart Power CHP

  • Designed for multifamily, businesses, light industrial

  • L x W x H = 71” x 31” x 40” 

  • L x W x H = 1,800 x 780 x 1,020 mm

  • Weight 1,543 lbs. (700 kg)

  • Super quiet 58 dB soundproof enclosure

  • Installed inside or outside in a weatherproof container

  • Hot water and hydronic applications

  • Maximum H2O temperature 167F or 75C

  • Produces 34,100 Gj of heat yearly

  • Generates 192,720 kW of electricity yearly

  • Approximately $57,810 worth of energy produced yearly for use in your property, selling to the grid or both!

  • Product of China

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35 kW On/Off-Grid Yanmar CHP

  • Designed for multifamily, businesses, light industrial

  • L x W x H = 79” x 32” x 78” 

  • L x W x H = 2,000 x 800 x 1,980 mm

  • Weight 3,064 lbs. (1,390 kg)

  • Super quiet 64 dB soundproof enclosure

  • Installed inside or outside 

  • Hot water and hydronic applications

  • Maximum H2O temperature 190F or 88C

  • Produces 1,896 Gj of heat yearly

  • Generates 306,600 kW of electricity yearly

  • Approximately $91,980 worth of energy produced yearly for use in your property, selling to the grid or both!

  • Product of Japan / USA

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24 kW On-Grid EC Power CHP

  • Designed for multifamily, businesses, light industrial

  • L x W x H = 44” x 30” x 46” 

  • L x W x H = 1,120 x 750 x 1,170mm

  • Weight 1,654 lbs. (750 kg)

  • Super quiet 55 dB soundproof enclosure

  • Installed inside or outside in a weatherproof container

  • Hot water and hydronic applications

  • Maximum H2O temperature 185F or 85C

  • Produces 1,512 Gj of heat yearly

  • Generates 210,240 kW of electricity yearly

  • Approximately $63,072 worth of energy produced yearly for use in your property, selling to the grid or both!

  • Product of Denmark

CHP Comparison Chart

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40 - 280 kW On/Off-Grid Smart Power CHP

  • Designed for multifamily, businesses, industrial

  • 40 kW up to 280 kW sizes available

  • L x W x H = (varies with size of unit)

  • Weight = (varies with size of unit)

  • Reciprocating 4 or 6 cylinder engine

  • 3 phase 4 wires

  • Super quiet 58, 65 or 76 dB with a soundproof enclosure

  • Installed inside or outside in a weatherproof container

  • Hot water and hydronic applications

  • Maximum H2O temperature 167F or 75C

  • Product of China

  • Maintenance Interval – every 10,000 hours

Call for performance specifications, availability and shipping.

Book Your Free Consultation

  • A GSS CHP expert comes to you to review your home's energy needs.


    30 min

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  • A GSS CHP expert comes to you to review your business's energy needs.


    30 min

On/Off-Grid CHP Cogeneration Units

Operates when Connected to Grid

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The CHP unit will supply all your heat & power requirements plus feed back any excess electricity to the grid.

Operates when Disconnected from Grid

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The CHP unit will continue to supply all your heat & power requirements even when disconnected from the grid.  

This type of CHP will operate With or Without the Grid

On-Grid CHP Cogeneration Units

Operates when Connected to Grid

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This type of CHP must be connected to the grid to operate. It can be set to follow your electrical demand, your heat demand or to full operating capacity when exporting to the grid is advantageous. 

Does Not Operate 
when Disconnected from Grid

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In the event of a grid failure, this type of CHP will react as every other electrical appliance and also shut down. 

This type of CHP will only operate when connected to the Grid

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