| Feature | Colette Sigma | Kärcher HD Series | Simpson (Honda) | | :--- | :--- | :--- | :--- | | | Electric (Induction) | Electric (Universal) | Gas (Briggs/Honda) | | Noise level | Low (75 dB) | Moderate (85 dB) | Very High (95+ dB) | | Pump type | In-house Triplex | Axial cam | OEM Triplex (Annovi Reverberi) | | Maintenance | Low (oil changes) | Zero (disposable) | High (oil, spark plugs, fuel) | | Best use case | Daily residential/light commercial | Annual home use | Off-grid/heavy commercial |
A: This is the thermal overload switch. Unplug the unit for 30 minutes. Ensure you are using a heavy-gauge extension cord (12 AWG or lower) and no longer than 50 feet. Induction motors are sensitive to voltage drop. colette sigma
A: No. The standard Sigma uses a hot water rating of 140°F (60°C) max. For hot water, you need the Colette Sigma HDS (Hot Water Series), which costs 3x as much. | Feature | Colette Sigma | Kärcher HD
If you need to wash a deck twice a year, buy a $100 unit. If you wash two cars a week, a boat, or a rental property, Colette Sigma is your final pressure washer. You will never buy another one. Frequently Asked Questions Q: Is the Colette Sigma made in Germany? A: The pump and motor are manufactured and assembled in Germany. The frame, hose, and gun are assembled regionally (EU or USA) to reduce shipping costs. Induction motors are sensitive to voltage drop
| Feature | Colette Sigma | Kärcher HD Series | Simpson (Honda) | | :--- | :--- | :--- | :--- | | | Electric (Induction) | Electric (Universal) | Gas (Briggs/Honda) | | Noise level | Low (75 dB) | Moderate (85 dB) | Very High (95+ dB) | | Pump type | In-house Triplex | Axial cam | OEM Triplex (Annovi Reverberi) | | Maintenance | Low (oil changes) | Zero (disposable) | High (oil, spark plugs, fuel) | | Best use case | Daily residential/light commercial | Annual home use | Off-grid/heavy commercial |
A: This is the thermal overload switch. Unplug the unit for 30 minutes. Ensure you are using a heavy-gauge extension cord (12 AWG or lower) and no longer than 50 feet. Induction motors are sensitive to voltage drop.
A: No. The standard Sigma uses a hot water rating of 140°F (60°C) max. For hot water, you need the Colette Sigma HDS (Hot Water Series), which costs 3x as much.
If you need to wash a deck twice a year, buy a $100 unit. If you wash two cars a week, a boat, or a rental property, Colette Sigma is your final pressure washer. You will never buy another one. Frequently Asked Questions Q: Is the Colette Sigma made in Germany? A: The pump and motor are manufactured and assembled in Germany. The frame, hose, and gun are assembled regionally (EU or USA) to reduce shipping costs.