The SOLO 1.5 earned the ENERGY STAR® by meeting strict energy guidelines set by Natural Resources Canada and the US EPA. It meets ENERGY STAR® requirements only when used in Canada.

Rate of air flow (cfm)* (low/high) 64-150 cfm
Filter Washable foam
Diameter of inside port 6’’ (15 cm)
Diameter of outside port 6’’ (15 cm)
Type of recovery HRV
Apparent sensible effectiveness 
at 0°C (32°F)
81% at 31 l/s (66 cfm)
Apparent sensible effectiveness 
at -25°C (-13°F)
80% at 37 l/s (78 cfm)
Total recovery efficiency (cooling) at 35°C(95°F) Not tested
Voltage 120 volts
Power 150 watts
Amp. 1.3 amperes
Dimension height 16-1/2 in (42 cm)
Dimension width 30-1/4 in (76.8 cm)
Dimension depth 17-1/8 in (43.5 cm)
Weight (approx.) 65 lb (29.5 kg)
Wall control Altitude, Supra, Venta or Ultima (sold separately)
HVI Certified 
(Home Ventilating Institute)
Warranty : Core or enthalpy wheel Limited lifetime
Warranty : Parts 5 years
Affordable Solo 1.5 System
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