Lenso Wheels, a Thai-founded global manufacturer of alloy wheels and automotive accessories, applied THERMAL-XR® graphene coating to a split-type air conditioner and measured an 8.47% reduction in energy use, translating to an estimated saving of 4,354 THB per year and a return on investment of under 2 years.
Case at a glance
| Customer | Lenso Wheels |
|---|---|
| Location | Thailand |
| Site type | Alloy wheel manufacturing plant |
| Equipment | Split-Type Air Conditioner |
| Brand | Daikin |
| Capacity | 24,000 BTU |
| Model | RM24NV2S |
| Equipment age | 9 years |
| Energy savings | 8.47% |
| Annual cost saving | 4,354 THB/year |
| Return on investment | < 2 years |
Background
Air conditioning and chiller systems are among the largest electricity users on an industrial site. Over time, condenser coils lose heat transfer efficiency, which forces compressors to work harder and increases energy consumption. At Lenso Wheels, the split-type air conditioner is a Daikin unit with a capacity of 24,000 BTU, and it has been in service for 9 years.
The solution: THERMAL-XR®
THERMAL-XR® is a graphene-enhanced coating from Graphene Manufacturing Group (GMG), designed to deliver superior heat transfer and protection for heat exchanger coils. The coating was spray-applied to the condenser coils of the split-type air conditioner, with no change to the equipment itself.
Results
Energy use was compared before and after coating:
- Electricity usage: 36 kWh/day before coating vs 33 kWh/day after
- Electricity cost: 4,284 THB/month before coating vs 3,921 THB/month after
- Carbon emissions: 6 tons CO2/year before coating vs 5 tons CO2/year after
- Annual saving: 4,354 THB per year
- ROI: < 2 years
These results equal an energy saving of 8.47%.
Takeaway
The Lenso Wheels case shows that coating existing split-type air conditioners can lower energy consumption and electricity costs without replacing equipment, even on units that have been running for 9 years.
Want similar results at your site?
Get in touch with GMG to discuss your cooling equipment, or find a THERMAL-XR® applicator near you.
- Email: [email protected]
- Phone: +61 7 3063 6638
- Find an applicator: graphenemg.com/graphene-products/THERMAL-XR®/find-an-applicator
Measured energy savings presented in this case study are not predictors of future installation results. Estimated savings should be considered as estimates. Standard GMG disclaimer applies. All contents copyright © Graphene Manufacturing Group Ltd. All rights reserved.