E-Houses

E-Houses: Precision HVAC for Electrical Rooms with Wall-Mounted Technology

Discover Helioterm's solutions for e-house and electrical room HVAC, featuring Wall-Mounted systems that ensure precise thermal control, high energy efficiency, and total protection for critical equipment.

December 15, 20255 min read

The HVAC Challenge in E-Houses

E-houses and electrical rooms are among the most critical environments for industrial HVAC. These spaces house essential equipment such as transformers, electrical panels, variable frequency drives, MCCs (Motor Control Centers), and automation systems that generate significant heat during operation and are extremely sensitive to temperature and humidity variations.

A failure in the HVAC system of an e-house can result in:

  • Equipment shutdown due to overheating
  • Reduced lifespan of electronic components
  • Unscheduled production stoppages
  • Significant financial losses
  • Fire hazards in extreme cases

Wall-Mounted Technology: The Ideal Solution

Helioterm's Wall-Mounted systems were specifically developed to meet the HVAC demands of e-houses and electrical rooms. This configuration offers several advantages over traditional systems:

Wall-Mounted System Advantages

FeatureBenefit
Wall installationDoes not occupy useful floor space in the room
Directed airflowOptimized distribution for electrical panels
Easy maintenanceFront access to all components
Adequate IP sealingProtection against dust and particles
Quiet operationLow noise level for technical environments

HWM Line - Helioterm Wall-Mounted

Helioterm offers the complete HWM line (Helioterm Wall-Mounted) for e-house HVAC, with capacities from 1 TR to 40 TR, serving everything from small electrical rooms to large industrial substations.

Available HWM Models

ModelCapacityAirflowPower SupplyTypical Application
HWM-11 TR1,000 m³/h220V single-phaseSmall panels
HWM-22 TR1,800 m³/h220V three-phaseAutomation rooms
HWM-33 TR2,500 m³/h380V three-phaseSmall MCCs
HWM-55 TR4,000 m³/h380V three-phaseCompact substations
HWM-7.57.5 TR5,500 m³/h380V three-phaseMedium e-houses
HWM-1010 TR7,000 m³/h380V three-phaseInverter rooms
HWM-1515 TR10,000 m³/h380V three-phaseIndustrial MCCs
HWM-2020 TR13,000 m³/h380V three-phaseMedium substations
HWM-2525 TR16,000 m³/h380V three-phaseLarge e-houses
HWM-3030 TR19,000 m³/h380V three-phaseIndustrial substations
HWM-4040 TR25,000 m³/h440V three-phaseLarge facilities

HWM Line Features

HWM units are compact, self-contained systems that integrate all refrigeration components into a single cabinet:

  • Capacities: 1 TR to 40 TR (12,000 to 480,000 BTU/h)
  • Power Supply: 220V/380V/440V single or three-phase
  • Refrigerant: R-410A (eco-friendly)
  • Control: Digital with LCD display
  • Protections: Against high/low pressure, phase loss, overload
  • Protection rating: IP54 standard (IP65 optional)

Other Solutions for E-Houses

Industrial Split System

For applications requiring higher capacity or where the condensing unit must be located externally:

  • Capacities: 5 TR to 50 TR
  • Evaporator: Wall-mounted or cassette type
  • Condenser: Air or water-cooled
  • Maximum distance: Up to 50 meters between units

CRAC (Computer Room Air Conditioner)

For e-houses with precision requirements similar to data centers:

  • Temperature control: ±0.5°C
  • Humidity control: ±3% RH
  • Filtration: MERV 8 to HEPA
  • Redundancy: N+1 configurations

Embedded Technologies

High-Efficiency Compressors

Helioterm equipment uses state-of-the-art scroll or rotary compressors, offering:

  • High COP: Up to 4.0 under nominal conditions
  • Soft start: Reduces current peaks
  • Quiet operation: Ideal for technical environments
  • Long lifespan: Over 80,000 operating hours

Intelligent Control System

The Helioterm microprocessor controller allows for:

  • Adjustable setpoint: From 15°C to 30°C
  • Configurable alarms: Temperature, pressure, dirty filter
  • Modbus communication: Integration with supervisory systems
  • Event history: Alarm and operation logging
  • Energy saving: Eco mode for low-demand periods

Ventilation and Filtration

  • EC fans: Superior energy efficiency
  • Washable filters: Easy maintenance
  • Adjustable airflow: Adapts to the environment's needs
  • Low noise level: < 55 dB(A)

Helioterm Differentiators

1. National Engineering

With over 50 years of experience, Helioterm designs and manufactures all its equipment in Brazil, ensuring:

  • Customized design for each application
  • Spare parts available nationally
  • Technical assistance throughout Brazil
  • Adaptation to local climatic conditions

2. Proven Quality

  • ISO 9001 certification: Quality management
  • Rigorous testing: 100% of equipment tested
  • Extended warranty: Up to 24 months
  • Traceability: Complete manufacturing history

3. Specialized Technical Support

  • Free sizing: Thermal load calculation
  • Executive project: Plans and diagrams
  • Commissioning: Assisted startup
  • Training: Operator qualification

4. Customized Solutions

  • Special voltages: 220V to 690V
  • Aggressive environments: Anti-corrosion treatment
  • Redundancy: N+1 or 2N systems
  • Integration: BACnet, Modbus, SNMP protocols

Typical Applications

Helioterm HWM systems are ideal for:

  • Industrial and utility electrical substations
  • Motor Control Centers (MCC)
  • Variable frequency drive rooms
  • E-houses in industrial plants
  • Automation panel rooms
  • UPS rooms (uninterruptible power supply rooms)
  • Emergency generator rooms

Conclusion

Proper HVAC for e-houses is fundamental to ensuring operational reliability and the longevity of electrical and electronic equipment. The Helioterm HWM line offers the ideal combination of efficiency, precision, and robustness to protect your most critical assets, with capacities from 1 to 40 TR to meet any demand.

Contact our engineering team for a customized sizing and find out how we can help optimize the HVAC of your e-house.


Request a quote through our form or contact us by phone at (11) 5028-0820.

Need a Custom Solution?

Our engineering team is ready to develop the ideal solution for your application. Contact us and receive a customized project.

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