As you may knew more about our evi heat pump air to water models, which keep working till minus 25 deg c, thanks to the EVI special compressor and fan motor suitable for low ambient temp. Also with heating belt on the chassis and under the blue fine condenser to help to melt the ice more quickly.
What’s in additional, a few of drain holes for the condensation water, make it fast and easy to drain out all water after melting.
A few customer confused about our BLH15-018S and BL15-020S models. As the model no. seems not big difference between the them.
The answer is both of them is EVI heat pumps, able to works at minus 25 deg c, however, there still a few difference.
As the BLH15-018S is the EVI 85C heat pump, which given maximum hot water outlet of 80c deg c, and it is R134a with 8kw heating capacity.
While the BL15-020S is EVI heat pump, which only given 60 deg c hot water maximum.
The refrigerant for this model is R410a, and it is 10kw heating capacity.
Below table could be easy to find the difference between them.
We are happy to offer more details about our EVI heat pumps, contact us right now!