Description
Intelligent Energy Recovery for Sustainable Bakery Operations
Powered by Ganzenmüller
The WP RETHERM Heat Recovery System is a high-performance, integrated solution designed to significantly reduce energy consumption in industrial and artisanal bakery operations. By recovering and reutilising waste heat from oven exhaust gases, RETHERM transforms unused thermal energy into a valuable resource for heating and hot water supply.
Engineered as a complete, turnkey solution, WP RETHERM combines advanced heat exchange technology, intelligent control systems and robust construction to deliver maximum efficiency, reduced emissions and optimised operating costs – all while ensuring uninterrupted baking performance.
Maximum Energy Efficiency & Cost Savings
Guaranteed Energy Recovery:
Up to 25% of the total energy used in the baking process is recovered and reused.
Dual Cost Reduction:
Lower energy expenses and significantly reduced CO₂ taxes ensure measurable financial benefits.
Optimised Resource Utilisation:
Recovered heat is stored and redistributed for:
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Panel heating systems
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Hot water supply for production and sales areas
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Freezer defrosting
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Proofing cabinet heating
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Washer supply
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Administration and common room heating
Comprehensive Turnkey Solution
WP RETHERM provides a fully integrated system including:
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Smooth tube heat exchanger
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Intelligent control unit
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Storage buffer tank
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Fresh air supply system
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Flue system and piping
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Integration with existing heating and hot water installations
From initial analysis to commissioning, WP ensures complete project coordination:
Energy consultation → Planning → Installation → Commissioning → Ongoing support
A single point of contact – Guaranteed.
Retrofitting & System Compatibility
Suitable for new and existing installations, RETHERM can be seamlessly integrated with:
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ROTOTHERM Rack Ovens
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MATADOR Deck Ovens
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Combined oven systems
Ideal for modernising outdated systems or improving the efficiency of existing infrastructure.
Space-Saving Installation Design
No Additional Footprint Required
The system is installed above the oven or mounted on ceiling or wall structures, ensuring:
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Zero production space loss
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Clean structural integration
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Optimised airflow routing
Advanced Heat Exchanger Technology
WP RETHERM Heat Exchanger
Economical. Durable. Maintenance-efficient.
Unified Extraction System:
Exhaust gases and vapour are processed together, reducing system complexity and operating costs.
Cost-Optimised Design:
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No vapour flaps required
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Low connected load
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Reduced purchase and operating costs
Premium Construction:
Manufactured from high-grade materials with German engineering precision:
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Smooth tube heat exchanger
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Corrosion-resistant finish
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Long service life and operational reliability
Consistent Baking Performance
Integrated Induced Draft System ensures:
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Controlled and uniform oven draft
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No manual readjustment needed
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Weather-independent baking results
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Stable product quality across all conditions
Hygiene, Safety & Reliability
TÜV Süd Certified
Extensively tested and maintained by Ganzenmüller experts for:
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Maximum operational safety
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Continuous process reliability
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Compliance with industry standards
Bypass System Security:
In case of system interruption, the bypass guarantees uninterrupted baking operations.
Simplified Maintenance & Servicing
Optimised for minimal maintenance effort:
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Large, accessible cleaning openings
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External fresh air fan placement
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Self-cleaning functionality
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Annual servicing requirement only
Maintenance operations can be performed without disrupting ongoing production.
Intelligent Control Unit
User-Friendly Siemens Touch Interface
Key Features:
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Clear, logical system layout
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Real-time operational data display
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Optional sensor system for detailed performance evaluation
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Transparent energy analytics and monitoring
Future-Ready Technology:
From mid-2025, web-based control access with extended touchscreen functionality will be available for remote system management.
System Performance Overview
Energy Recovery Rate: Up to 25%
Installation Type: Rack ovens and deck ovens
Heat Buffering: Insulated storage tank
Operation: Fully automated with manual override options
Maintenance Interval: Once per year
Compliance: TÜV certified
Powered by Ganzenmüller – A Strategic Partnership
Two industry leaders combine expertise to deliver a superior solution:
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WP Bakery Technologies – Oven systems & charging technology
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Ganzenmüller – System engineering, heat recovery & flue technology
This strategic cooperation ensures a fully optimised, future-proof and integrated energy recovery solution for modern bakery environments.
