Guide
Is a self-cleaning extractor hood worth the investment? The calculation for your restaurant
Every year, Danish restaurants and commercial kitchens spend thousands of hours cleaning extractor hoods and ventilation ducts. This is both time-consuming and expensive – and often cleaning occurs more frequently than actually necessary.
Introduktion
The problem is not a lack of effort, but grease. When warm cooking air passes through the ventilation system, grease particles settle on the surfaces of the ducts. Grease buildup in the ducts reduces airflow capacity and increases resistance in the system – the more grease, the harder the motor works. This leads to higher energy consumption and increased fire risk. The traditional solution is more frequent cleaning – but this does not remove the cause of grease accumulation.
H2O Shift's Power2Air works differently. The technology electrostatically discharges the grease particles as soon as the air passes the exhaust hood – before the grease reaches the ventilation ducts. The result is fewer accumulations, longer intervals between cleanings, and lower energy consumption.
What is a self-cleaning exhaust hood, and how does it work?
A self-cleaning range hood is a ventilation solution that automatically reduces grease buildup in the ducts – without manual cleaning after each shift. H2O Shift's Power2Air electrostatically neutralizes the charge of grease particles, preventing them from adhering to the duct surfaces. Buildup is significantly reduced, leading to fewer cleaning rounds, lower energy consumption, and reduced fire risk.
How does electrostatic discharge work in practice?
Power2Air uses electrostatic discharge to neutralize the charge of grease particles as air passes through the exhaust hood. When the charge is removed, the grease particles lose their ability to adhere to the duct surfaces. There are no chemicals, no filters to change, and nothing that requires ongoing maintenance of the unit itself.
The technology requires an annual service inspection. This is the only recurring need.
Power2Air is compatible with installations that comply with DS/EN 16282, the European standard for ventilation in commercial kitchens.
What does it mean for energy consumption?
Can a self-cleaning range hood lower the energy bill?
Studies show that demand-controlled ventilation (DCV) can provide energy savings of 30-50% compared to constant airflow (source: CIBSE TM50, 2009; Mudie & Vahdati, 2017). Power2Air contributes to better conditions for efficient DCV by keeping ducts cleaner and resistance low – thus ensuring that the system operates at its designed capacity.
What are the total operational benefits?
A cleaner ventilation system provides:
- Lower energy consumption for extraction
- Fewer cleaning visits and lower service costs
- Reduction of fire risk associated with grease deposits
- Better working environment for kitchen staff
What does a self-cleaning extractor hood cost – and what's the calculation?
What is the typical acquisition cost?
Power2Air is a retrofit solution – it is mounted on the existing exhaust hood. You don't invest in a new kitchen system, but add the discharge technology to your existing installation. The price depends on the size and configuration of the exhaust hood. Contact H2O Shift for a specific offer.
When does the investment pay for itself?
The calculation is based on three factors: fewer cleaning visits (typically DKK 3,000-4,000 per linear meter according to industry estimates), lower energy consumption because the ventilation system operates with significantly less resistance, and fewer unplanned operational stops. For busy restaurant kitchens with high grease loads, a total saving of DKK 30,000-75,000 annually is realistic – documented in cases at, among others, Sticks’n’Sushi and Normal A/S – with a typical payback period of 12-24 months. Contact H2O Shift for a specific savings analysis for your kitchen.
Air quality and working environment.
What happens to the air quality?
Fewer grease particles in the extracted air provide a better working environment for kitchen staff and reduce odor and particle pollution. This is particularly noticeable in intensive cooking environments with deep frying and pan-frying.
What about the environmental impact?
The technology operates without chemicals and without consumables. Fewer trips from sludge suction and cleaning services reduce the logistical burden. Overall, it is an installation that requires fewer resources to operate than a conventional solution.
Maintenance and lifespan
What maintenance does a self-cleaning extractor hood require?
Power2Air requires an annual service inspection – no filters, no chemicals. This is the total maintenance commitment.
Proper maintenance of the overall installation – including the exhaust hood and ducts – occurs at extended intervals compared to traditional systems, precisely because the technology continuously reduces build-up.
What is the typical lifespan?
Lifespan depends on installation and operating conditions. Contact H2O Shift for a specific assessment.
Documented cases
Many restaurants and commercial kitchens have experienced clear improvements after installation. Documented results from customers – including Sticks’n’Sushi and Normal A/S – show lower operating costs and an improved indoor climate. Contact H2O Shift to see which cases are relevant for your industry and type of operation.
Frequently asked questions
What is a self-cleaning exhaust hood?
An extractor hood that actively reduces grease accumulation in the ducts via electrostatic discharge – without manual cleaning after each shift. H2O Shift's Power2Air is an example of this technology.
Does Power2Air require filters?
No. The technology requires no filters, no chemicals, and no ongoing replacement of consumables. The only requirement is an annual service inspection.
What is DS/EN 16282?
The European standard for ventilation in professional kitchens. Power2Air is compatible with installations that comply with this standard.
When do you see the first results?
Measurable results can typically be documented within 90 days based on your own operational data – energy consumption, cleaning interval, and amount of grease in the channels.
Conclusion
A self-cleaning range hood with electrostatic discharge can increase your restaurant's efficiency, reduce operating costs, and improve the working environment. The technology provides both economic and operational benefits and helps meet the requirements of DS/EN 16282. Contact H2O Shift today to find the solution that fits your kitchen.
What can you save on your exhaust hood?
Do your own calculation in 3 minutes and see the potential savings with a self-cleaning extractor hood.
CALCULATE YOUR SAVINGSShall we provide an estimate for your extractor hood?
Our team of conscientious people is ready to help you. Tell us about your kitchen – and we'll do the math together.
