At SCE®, we don't just supply equipment—we engineer complete climate control systems tailored to your specific challenges. Every solution integrates our patented technologies, proven methodologies, and global partnerships to deliver measurable improvements in efficiency, productivity, and sustainability.

Most HVAC systems operate on a simple principle: exhaust stale air, bring in fresh air, condition it to the required temperature and humidity. The problem? You're throwing away the energy you already invested in conditioning the exhaust air.

In winter, you're exhausting warm air and heating cold incoming air from scratch. In summer, you're exhausting cool, dehumidified air and cooling hot, humid incoming air with maximum effort. The waste is continuous, expensive, and completely avoidable.

Seibu-Giken energy recovery wheels solve this by transferring energy between air streams.

Seibu-Giken energy recovery wheels use rotating heat exchanger technology to transfer both sensible heat (temperature) and latent heat (moisture) between exhaust and supply air streams. This is called full enthalpy transfer, and it's far more efficient than systems that only recover temperature.

As the wheel rotates slowly between the exhaust and supply air streams:

In Winter:

• Warm exhaust air heats the wheel material
• The heated wheel rotates into the supply air stream
• Cold incoming fresh air is pre-heated by the wheel
• Your heating system works less to reach target temperature

In Summer:

• Cool, dry exhaust air cools and dries the wheel material
• The conditioned wheel rotates into the supply air stream
• Hot, humid incoming air is pre-cooled and dehumidified
• Your cooling system works less to reach target conditions

The result: up to 80% of the energy in your exhaust air is recovered and transferred to incoming fresh air, slashing HVAC energy consumption while maintaining 100% fresh air supply.

When you install Seibu-Giken energy recovery systems, the performance improvements are immediate and measurable:

• Recovers up to 80% of waste energy from exhaust air, reducing heating and cooling loads
• Cuts HVAC energy consumption dramatically by pre-conditioning incoming fresh air
• Reduces peak demand on heating and cooling equipment, lowering capacity requirements
• Maintains superior indoor air quality with 100% fresh air supply (no recirculation)
• Lowers operational costs through reduced energy consumption year-round
• Extends HVAC equipment lifespan by reducing operational hours and thermal stress
• Improves humidity control through latent heat recovery, not just temperature transfer
• Delivers fast payback periods through ongoing energy savings that quickly offset capital investment

Seibu-Giken energy recovery systems prove you don't have to choose between fresh air and energy efficiency. You can have both, while dramatically reducing operational costs and environmental impact. In facilities with high fresh air requirements or large temperature differentials between indoor and outdoor conditions, the payback can be even faster.

• Energy savings from day one of operation
• Reduced capital requirements for smaller HVAC equipment (when designed into new builds)
• Lower ongoing maintenance costs through reduced HVAC operating hours
• Improved system reliability through reduced thermal cycling and stress
• Measurable ROI typically achieved within 2-4 years depending on facility size and usage
• Ongoing savings that compound over the 15-20+ year lifespan of energy recovery systems