Comparison Table

Heat Reclaim Products Comparison Table
  1. The Polyester PE Fiber, heat transfer media of STC-EHRV is the most valuable product with the longest life cycle. Because of its unique characteristic brings the highest energy recovery rate to save huge amount of money. Although much higher capital cost, the payback period is the highest.
  2. The Aluminum Foil, heat transfer media of Energy Wheel, will oxide easily then degrade its energy saving efficiency. Aluminum Foil could not be washed when it is oxides, have to replace from the third year. Its initial cost is much cheaper, but cannot pay back because its huge maintenance cost.
  3. The Paper Plate Type, heat transfer media of FAP could not be cleaned anyway. Since the humid weather of Hong Kong, it would be very easy to get clogged, the user has to replace the core material every couple months, it is wasting money although its price is much cheaper.
  4. The Copper Pipe, heat transfer media of Heat Pipe, which has the lowest efficiency and can not save energy.

 

STC-EHRV ERV HRV HEAT PIPE
Reference Picture
Heat Transfer Media Polyester P.E. Fiber Aluminum Foil Paper Plate Type Copper pipe
Original U.S.A. / China U.S.A. / Germany / Asia Japan / China U.S.A. / China
Principle Heat Recovery by Rotary Wheel Heat Recovery by Rotary Wheel Heat Transfer by Cross Flow Heat Transfer
Life Cycle Over 15 Years
(Guarantee 5 years by manufactory)
Less than 3 years Less than 1 year About 5 years
Maintenance Can Wash by water Difficult to clean Must replace Could not clean
Moisture proof YES NO NO NO
Mildew proof YES NO NO NO
Washable YES NO NO NO
Reusable YES NO NO NO
Sensible Heat Recovery Rate
86% (Summer) 90% (Winter )
5 Years Guarantee
65%(Summer) 70%(Winter)
Degrade every year
65%(Summer) 70%(Winter)
Degrade every year
30% (Winter)
Latent Heat Recovery Rate
72% (Summer) 80% (Winter)
5 Years Guarantee
52% (Summer) 38% (Winter)
Degrade every year
52% (Summer) 38% (Winter)
Degrade every year
0% (Winter)
Total Heat Recovery Rate
75% (Summer) 85.4% (Winter)
5 Years Guarantee
55% (Summer) 58% (Winter)
Degrade every year
55% (Summer) 58% (Winter)
Degrade every year
18% (Winter)
Energy Saving Rate(3 Years) Over 70% 20-22% 26-28% 0.16

*All information above for reference only.

 

D/RH/DC/P3/D13/905

 

Polyester P.E. Fiber vs Paper Plate Type

 

Polyester P.E. Fiber vs Aluminum Foil