The Lifebreath Max Series 155 MAX is the industry-leading single-core heat recovery ventilator engineered for maximum indoor air quality and energy efficiency. Featuring a high-efficiency hex core and door port balancing with adjustable dampers, this ENERGY STAR certified unit delivers 148 CFM of fresh, filtered air while recovering up to 75% of heating energy—even in harsh Canadian winters down to 0°C.

Designed for homes that demand superior comfort without compromising efficiency, the 155 MAX includes the intuitive DXPL03 digital wall control for seamless operation and programming. Its outstanding cold weather performance ensures consistent ventilation year-round, while the lifetime warranty on the HRV core and 5-year parts coverage reflect Lifebreath's commitment to reliability.

Ideal for new builds and retrofits across Canada and the US, this proven ventilator maintains optimal humidity levels, removes stale indoor air, and reduces reliance on outdoor heating—lowering utility costs while protecting your home's envelope integrity.

• ENERGY STAR 148 CFM @ .3″ / 75% (SRE) at 64 CFM and 0°C (32°F)
• High Efficiency Hex Core
• Door Port Balancing & Adjustable Dampers
• Outstanding Cold Weather Performance
• DXPL03 Digital Wall Control included, for easy programmability
• Energy Star: This product earned the ENERGY STAR® by meeting strict energy efficiency guidelines set by Natural Resources Canada and the US EPA. It meets ENERGY STAR® requirements only when used in Canada