Weltem WPH 136 – 4.0kW Reverse Cycle Commercial Portable Air Conditioner

Portable commercial cooling and heating in one compact unit.

The Weltem WPH 136 is a commercial-grade portable reverse cycle air conditioner designed to provide temporary or supplementary cooling and heating where permanent HVAC is unavailable, insufficient or undergoing maintenance.

With 4.0kW of cooling capacity, 4.3kW of heating capacity and airflow of 610 m³/hr, the WPH 136 is well suited to offices, commercial buildings, workshops, plant rooms, site offices and other work areas where targeted temperature control is required.

Its portable design allows the unit to be moved between areas as requirements change, making it particularly useful for temporary air conditioning, HVAC breakdowns, refurbishment projects and supplementary cooling or heating.

Why Choose the Weltem WPH 136?

• 4.0kW cooling capacity for commercial spot cooling
• 4.3kW heating capacity for heating during colder conditions
• Reverse cycle operation – one portable unit for both heating and cooling
• 610 m³/hr airflow for effective air circulation
• 7 amp electrical requirement – useful where electrical capacity is limited
• 47.5 dB sound rating
• Commercial-grade construction
• Portable design for flexible positioning
• Ideal for temporary or supplementary HVAC requirements
• Suitable for commercial, industrial and workplace applications

Commercial Portable Cooling & Heating

The WPH 136 is designed for situations where installing or modifying permanent air conditioning is not practical, necessary or possible.

It can be used to provide targeted temperature control to occupied areas rather than conditioning an entire building. This can be particularly useful when a central air conditioning system has failed, a building is undergoing refurbishment, additional cooling is required in a particular area, or a permanent HVAC solution is still being designed or installed.

Because the WPH 136 provides both cooling and heating, it can be used throughout the year rather than being limited to summer cooling applications.

Ideal Applications

• Commercial offices
• Temporary office accommodation
• HVAC breakdowns and repairs
• Supplementary cooling for existing air conditioning
• Workshops and industrial work areas
• Plant rooms and equipment areas
• Site offices and temporary buildings
• Warehouses and commercial facilities
• Server and technical areas where supplementary temperature control is required
• Refurbishment and construction projects
• Emergency or temporary temperature control
• Workplaces requiring temporary heating during winter

Cooling Capacity – 4.0kW

The WPH 136 provides 4.0kW of cooling capacity for targeted commercial spot cooling.

Rather than attempting to cool an entire building, portable spot air conditioners are commonly used to direct conditioned air towards the area where it is most needed. This can make them useful for temporarily cooling occupied workspaces, offices, equipment areas or other locations where permanent HVAC is unavailable or insufficient.

Actual cooling performance depends on factors including room size, ceiling height, insulation, solar gain, outdoor temperature, number of occupants, heat-producing equipment, ventilation and the desired indoor temperature.

Need help determining whether 4.0kW is suitable for your space? Contact Damp Solutions Australia with the room dimensions, ceiling height, approximate occupancy and heat sources and we can help assess the application.

Heating Capacity – 4.3kW

Unlike cooling-only spot coolers, the WPH 136 also provides 4.3kW of heating capacity.

This makes the WPH 136 particularly useful for businesses that need a portable temperature-control solution throughout the year. The same unit can provide cooling during warmer weather and heating when temperatures fall.

610 m³/hr Airflow

The WPH 136 delivers up to 610 m³/hr of airflow, helping distribute conditioned air throughout the immediate working area.

Airflow is an important consideration when selecting a portable commercial air conditioner because cooling or heating capacity alone does not determine how effectively conditioned air can be delivered into the occupied space.

Low Electrical Demand – 7 Amp

The WPH 136 has a stated electrical requirement of approximately 7 amps.

This can be a significant advantage for temporary commercial applications where available electrical capacity needs to be considered. It can also make planning temporary cooling or heating easier than using larger systems with substantially higher electrical requirements.

Always confirm the electrical requirements for the specific installation and ensure the unit is connected to a suitable electrical supply.

Commercial Portable Design

The WPH 136 is designed as a portable commercial air conditioning solution rather than a domestic split-system replacement.

Its portable format allows the unit to be positioned where temperature control is required and relocated when circumstances change.

This flexibility is particularly useful for:

• Temporary HVAC requirements
• Building maintenance
• Air conditioning failures
• Office relocations
• Refurbishment projects
• Construction sites
• Seasonal temperature control
• Additional cooling or heating in problem areas

Hot Air Exhaust Duct

When operating in cooling mode, the WPH 136 produces warm exhaust air which needs to be discharged from the conditioned area.

The unit uses a 300mm hot air duct for exhaust air management. Correct installation and positioning of the exhaust duct are important for efficient operation.

Damp Solutions Australia can provide guidance on suitable positioning and application requirements for commercial installations.

How Much Area Can the WPH 136 Cool?

There is no single m² figure that accurately applies to every installation.

A portable air conditioner can perform very differently depending on the building and operating conditions. Factors such as ceiling height, insulation, glazing, direct sunlight, outdoor temperature, internal heat loads, equipment and fresh-air requirements can all affect the required cooling capacity.

For this reason, we recommend assessing the actual application rather than selecting a unit based solely on a generic room-area rating.

As a guide, the WPH 136 provides 4.0kW of cooling and 4.3kW of heating. If you are unsure whether this is suitable for your space, contact our team with your room dimensions and application details.

WPH 136 Specifications

WPH 136 Frequently Asked Questions

What is the Weltem WPH 136?

The Weltem WPH 136 is a commercial portable reverse cycle air conditioner providing 4.0kW of cooling and 4.3kW of heating. It is designed for temporary, supplementary or targeted temperature control in commercial and industrial environments.

Does the WPH 136 provide heating as well as cooling?

Yes. The WPH 136 is a reverse cycle unit and provides 4.3kW of heating as well as 4.0kW of cooling.

How much cooling does the WPH 136 provide?

The WPH 136 has a rated cooling capacity of 4.0kW.

How much heating does the WPH 136 provide?

The WPH 136 has a rated heating capacity of 4.3kW.

What is the airflow of the WPH 136?

The WPH 136 provides airflow of approximately 610 m³/hr.

How many amps does the WPH 136 use?

The stated electrical requirement for the WPH 136 is approximately 7 amps. Electrical requirements should always be checked against the installation conditions and manufacturer's specifications.

How noisy is the WPH 136?

The WPH 136 has a stated sound rating of 47.5 dB. Perceived noise can vary depending on the room, installation and surrounding noise levels.

Does the WPH 136 need an exhaust duct?

Yes. In cooling mode, the warm exhaust air needs to be discharged from the conditioned area. The WPH 136 uses a 300mm diameter hot air exhaust duct.

Does the WPH 136 need a condensate drain?

Condensate management depends on the operating conditions and installation. An optional condensate pump is available where required.

Can the WPH 136 be used in an office?

Yes. The WPH 136 can be suitable for commercial offices where temporary or supplementary cooling or heating is required, including situations where the building's permanent HVAC system is being repaired or upgraded.

Can the WPH 136 be used while an air conditioner is being repaired?

Yes. Temporary portable air conditioning is one of the common applications for commercial spot coolers. The WPH 136 can provide targeted cooling or heating while permanent HVAC equipment is unavailable.

Can the WPH 136 cool an entire building?

The WPH 136 is designed primarily for targeted or supplementary temperature control rather than replacing a central HVAC system for an entire large building. Suitability depends on the building characteristics and heat load.

What size room can the WPH 136 cool?

There is no universal room-size rating because cooling requirements depend on ceiling height, insulation, windows, solar exposure, occupancy, equipment and other heat loads. The WPH 136 provides 4.0kW of cooling and should be selected based on the actual application rather than room area alone.

What is the difference between the WPH 136 and a cooling-only spot cooler?

The key difference is that the WPH 136 provides both cooling and heating. This makes it useful for businesses that need temporary temperature control during both summer and winter rather than cooling only.

Who is the WPH 136 suitable for?

The WPH 136 is suited to commercial and industrial users including offices, workshops, warehouses, site offices, facilities undergoing HVAC repairs, construction projects and businesses requiring supplementary or temporary heating and cooling.

Can Damp Solutions Australia help select the right portable air conditioner?

Yes. We can help assess the application based on factors such as room dimensions, ceiling height, occupancy, equipment heat loads and whether the requirement is temporary, supplementary or ongoing.

Need Temporary Commercial Cooling or Heating?

If your air conditioning system has failed, your building is undergoing refurbishment, or you need additional temperature control in a particular area, a portable commercial air conditioner can provide a flexible alternative while permanent HVAC is unavailable or being upgraded.

Not sure whether the WPH 136 is the right capacity?

Contact Damp Solutions Australia and tell us what you are trying to cool or heat. We can help you consider the application, capacity, airflow, electrical requirements and installation conditions before you purchase.

Damp Solutions Australia – Climate & Environmental Control Specialists