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Heating / Air conditioning Housings

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DISPLAYING 1 to 9 (of 9 products)
Special Order item
91157108500
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Air duct for LHD cars.

porsche

Fits:
For LHD cars
Porsche 911 1977-85
Porsche 911 Turbo 1977

Click 'Zoom in' for large parts diagram.
Diagram ref no 15

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91157108500
91157108500

The product you are viewing cross references to these numbers
93012691105
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Electric Air Conditioning Kit Compressor and Condenser Half Kit for Porsche 911


The Electrocooler 'half system' allows existing AC cars to use our electric compressor and modern condenser with the existing evaporator blower mounted in the smuggler's box. 

Fits Porsche 911 models 1965 to 1989 with factory/dealer fitted AC. 

If your factory or dealer fitted evaporator / blower is in good condition but your compressor and hoses are tired, this is the kit for you.  The kit contains compressor and mounts for fitment ahead of the fuel tank.  The new condenser can be fitted in place of the washer bottle on 74 onwards cars.  Early cars can mount the condenser in the rear wheel well.  Complete new set of hoses and all wiring are included.

This is a 'half system' AC system to be used with the factory evaporator/blower.

  • All Electric. All modern components
  • Weighs around 22lbs (10 kg)
  • Retains factory evaporator / blower
  • Fits in front luggage bay
  • Lightweight narrow hose set weighing under 4lbs (1.5kg)
  • Easy Install. Non-damaging bolt-in installation
  • Clutter Free. Uses existing air vents to deliver cool air
  • Simple to Use. Controlled by a single ‘smart button’
  • Energy Efficient. Uses less than 1 HP of engine power
  • Kits available to fit 911s from 1965 to 1989 (please check for fitment before purchase)


For Installation Guide CLICK HERE

9301269110
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Product Information

Electric Air Conditioning Kit with Dual Condensers 

Transform the comfort and usability of your classic air-cooled Porsche 911 with this advanced Electric Air Conditioning Kit featuring a Dual Condenser System. Designed specifically for Porsche 911 models from 1974 to 1989, this revolutionary Electrocooler system completely re-engineers the factory air conditioning and ventilation setup using modern electric technology, significantly improving cooling performance, reliability and energy efficiency.

Unlike traditional belt-driven systems, the Electrocooler uses a compact electric compressor and modern HVAC components to deliver powerful cooling while dramatically reducing engine load. The result is a more comfortable cabin, improved performance and a significantly enhanced driving experience, even in extreme climates.

This dual condenser version is specifically designed for owners operating their vehicles in high-temperature and high-humidity environments, making it ideal for regions such as Florida, Singapore, the Middle East, Southern Europe and Australia.

A Complete Redesign of the Porsche 911 Air Conditioning System
The original air conditioning system fitted to many classic Porsche 911 models is often considered one of the weakest aspects of the car. Limited cooling performance, ageing components and inefficient airflow can make driving uncomfortable in warmer conditions.

The Electrocooler system addresses these shortcomings by delivering:

  • Modern electric air conditioning technology
  • Enhanced cooling performance
  • Improved fresh air ventilation
  • Upgraded heating air distribution
  • Simplified operation
  • Reduced engine load
  • Improved cabin comfor
  • Greater reliability

The result is a climate control system worthy of a modern sports car while maintaining the character of your classic Porsche.

Why Upgrade to Electric Air Conditioning?
Traditional engine-driven compressors consume significant engine power and add complexity to the engine bay.

The Electrocooler system offers numerous advantages:

Reduced Engine Load
The system typically uses less than 1 horsepower, helping preserve engine performance while improving fuel efficiency.

Lightweight Design
The complete system weighs approximately

  • 35 lbs (16kg) complete system weight
  • Lightweight narrow-wall hoses weighing under 4 lbs (1.5kg)

Modern Components
Every major component has been redesigned using modern technology for improved performance and reliability.

Cleaner Installation
The system fits within the front luggage compartment and utilises the factory fresh air vents to distribute cooled air, maintaining a clean and uncluttered cabin appearance.

Simple Operation
Control is managed through a single intelligent control button, providing straightforward operation and a factory-style user experience.

Dual Condenser System for Extreme Climates
This version incorporates a second condenser to maximise cooling performance in demanding environments.

Benefits include:

  • Increased cooling capacity
  • Improved refrigerant efficiency
  • Better performance in high humidity
  • Enhanced cooling during heavy traffic
  • Superior cabin comfort in temperatures exceeding 35°C
  • Reduced system workload

The additional condenser can be mounted within the left rear wing area, either ahead of or behind the rear wheel depending on installation requirements.

For vehicles operating in particularly hot climates, the dual condenser configuration is strongly recommended.

Installation Configuration
The system has been engineered specifically for Porsche 911 models and adapts to both left and right-hand drive vehicles.

Left-Hand Drive Vehicles
Compressor mounted within the smugglers box

Right-Hand Drive Vehicles
Compressor mounted ahead of the fuel tank

This approach ensures efficient packaging while maintaining practicality and serviceability.

Included Components
The kit contains:

  • Electric A/C compressor and control ECU.
  • Condenser, fan and shroud assembly.
  • Replacement blower unit, housing modern fan and evaporator.
  • Lightweight narrow wall hose set with custom fittings.
  • ECU wiring loom and sundries.


We don’t provide:

  • 60mm / 40mm air ducting (we recommend genuine Webasto aluminium/paper hose)
  • Duct clips.  A selection of 60mm and 40mm is advisable.  We like the Porsche ones
  • Rubber grommets (for routing hoses and wiring)
  • ‘Oetiker’ crimp pliers / pincers
  • Replacement washer bottle but we do have a kit available for the Boxster/996 bottle.

Tools and sundries needed:

  • Good quality set of allen keys
  • Standard wrenches and socket set.
  • Side cutters
  • Small selection of male and female spade terminals (6.8mm)
  • Crimp tool for above
  • Selection of cable ties ( 300mm) for general use
  • Hose cutters
  • Sharp knife (for cutting duct)

More information found in the attached PDF and YouTube video

Generation 2 Blower System
All kits now include the latest Generation 2 blower assembly featuring:

  • Modern double-cage blower design
  • Increased airflow capacity
  • Improved efficiency
  • Reduced noise levels
  • Enhanced cooling distribution

The upgraded blower also improves fresh air circulation and heating performance.

Important Installation Information
Although the physical installation can be completed by competent enthusiasts, final commissioning should always be undertaken by a qualified air conditioning engineer.

Professional installation is recommended for:

  • Hose crimping
  • Pressure testing
  • Refrigerant filling Leak testing
  • System commissioning

For safety and reliability reasons, refrigerant charging using consumer R134a refill cans is not recommended.

Additional Recommendations
Because the electric compressor requires a healthy electrical supply, upgrading the original alternator is recommended for the majority of installations.

This helps ensure:

  • Reliable system operation
  • Stable voltage supply
  • Improved electrical performance
  • Long-term system reliability       

For Installation Guide CLICK HERE
9301269110
Product Information
Product Information

Electric Air Conditioning Kit with Single Condenser 

Transform the comfort and usability of your classic air-cooled Porsche 911 with this advanced Electric Air Conditioning Kit featuring a Single Condenser System. Designed specifically for Porsche 911 models from 1974 to 1989, this revolutionary Electrocooler system completely re-engineers the factory air conditioning and ventilation setup using modern electric technology, significantly improving cooling performance, reliability and energy efficiency.

Unlike traditional belt-driven systems, the Electrocooler uses a compact electric compressor and modern HVAC components to deliver powerful cooling while dramatically reducing engine load. The result is a more comfortable cabin, improved performance and a significantly enhanced driving experience, even in extreme climates.

This dual condenser version is specifically designed for owners operating their vehicles in high-temperature and high-humidity environments, making it ideal for regions such as Florida, Singapore, the Middle East, Southern Europe and Australia.

A Complete Redesign of the Porsche 911 Air Conditioning System
The original air conditioning system fitted to many classic Porsche 911 models is often considered one of the weakest aspects of the car. Limited cooling performance, ageing components and inefficient airflow can make driving uncomfortable in warmer conditions.

The Electrocooler system addresses these shortcomings by delivering:

  • Modern electric air conditioning technology
  • Enhanced cooling performance
  • Improved fresh air ventilation
  • Upgraded heating air distribution
  • Simplified operation
  • Reduced engine load
  • Improved cabin comfor
  • Greater reliability

The result is a climate control system worthy of a modern sports car while maintaining the character of your classic Porsche.

Why Upgrade to Electric Air Conditioning?
Traditional engine-driven compressors consume significant engine power and add complexity to the engine bay.

The Electrocooler system offers numerous advantages:

Reduced Engine Load
The system typically uses less than 1 horsepower, helping preserve engine performance while improving fuel efficiency.

Lightweight Design
The complete system weighs approximately

  • 35lbs (16kg) complete system weight
  • Lightweight narrow-wall hoses weighing under 4lbs (1.5kg)

Modern Components
Every major component has been redesigned using modern technology for improved performance and reliability.

Cleaner Installation
The system fits within the front luggage compartment and utilises the factory fresh air vents to distribute cooled air, maintaining a clean and uncluttered cabin appearance.

Simple Operation
Control is managed through a single intelligent control button, providing straightforward operation and a factory-style user experience.

Dual Condenser System for Extreme Climates
This version incorporates a second condenser to maximise cooling performance in demanding environments.

Benefits include:

  • Increased cooling capacity
  • Improved refrigerant efficiency
  • Better performance in high humidity
  • Enhanced cooling during heavy traffic
  • Superior cabin comfort in temperatures exceeding 35°C
  • Reduced system workload

The additional condenser can be mounted within the left rear wing area, either ahead of or behind the rear wheel depending on installation requirements.

For vehicles operating in particularly hot climates, the dual condenser configuration is strongly recommended.

Installation Configuration
The system has been engineered specifically for Porsche 911 models and adapts to both left and right-hand drive vehicles.

Left-Hand Drive Vehicles
Compressor mounted within the smugglers box

Right-Hand Drive Vehicles
Compressor mounted ahead of the fuel tank

This approach ensures efficient packaging while maintaining practicality and serviceability.

Included Components
The kit contains:

  • Electric A/C compressor and control ECU.
  • Condenser, fan and shroud assembly.
  • Replacement blower unit, housing modern fan and evaporator.
  • Lightweight narrow wall hose set with custom fittings.
  • ECU wiring loom and sundries.


We don’t provide:

  • 60mm / 40mm air ducting (we recommend genuine Webasto aluminium/paper hose)
  • Duct clips.  A selection of 60mm and 40mm is advisable.  We like the Porsche ones
  • Rubber grommets (for routing hoses and wiring)
  • ‘Oetiker’ crimp pliers / pincers
  • Replacement washer bottle but we do have a kit available for the Boxster/996 bottle.

Tools and sundries needed:

  • Good quality set of allen keys
  • Standard wrenches and socket set.
  • Side cutters
  • Small selection of male and female spade terminals (6.8mm)Crimp tool for above
  • Selection of cable ties ( 300mm) for general use
  • Hose cutters
  • Sharp knife (for cutting duct)

More information found in the attached PDF and YouTube video

Generation 2 Blower System
All kits now include the latest Generation 2 blower assembly featuring:

  • Modern double-cage blower design
  • Increased airflow capacity
  • Improved efficiency
  • Reduced noise levels
  • Enhanced cooling distribution

The upgraded blower also improves fresh air circulation and heating performance.

Important Installation Information
Although the physical installation can be completed by competent enthusiasts, final commissioning should always be undertaken by a qualified air conditioning engineer.

Professional installation is recommended for:

  • Hose crimping
  • Pressure testing
  • Refrigerant filling
  • Leak testing
  • System commissioning

For safety and reliability reasons, refrigerant charging using consumer R134a refill cans is not recommended.

Additional Recommendations
Because the electric compressor requires a healthy electrical supply, upgrading the original alternator is recommended for the majority of installations.

This helps ensure:

  • Reliable system operation
  • Stable voltage supply
  • Improved electrical performance
  • Long-term system reliability       


For Installation Guide CLICK HERE
91150158101/1
Product Information
Product Information
Guide plate air conditioning - front

Fits:
Porsche 911 - 1974 to 1989
Porsche 911 turbo - 1975 to 1989


Diagram ref no 14



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91150158101
91150158101
91150158101GRV
91157305801

The product you are viewing cross references to these numbers
91165930300/1
Product Information
Product Information
Heat control rod with ball sockets.

oematch

Fits:
Porsche 911 3.2L 08/1983-07/1989

Click 'Zoom in' for large parts diagram.
Diagram ref no 19

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91165930300
91165930300

The product you are viewing cross references to these numbers
99951214502/1
Product Information
Product Information
Hose clamp for water drain sleeve.

Fits: 
Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Porsche 911 1978-1983 3.0L / SC
Porsche 911 1984-1986 3.2L




Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99951214502
99951214502

The product you are viewing cross references to these numbers
Special Order item
91157108601
Product Information
Product Information
Hot air cabin air duct for RHD cars.

Fits:
For RHD cars
Porsche 911 1977-89
Porsche 911 Turbo 1977

Diagram ref no 15

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91157108601
91157108601

The product you are viewing cross references to these numbers
I29
Product Information
Product Information
Billet HVAC control panel.

rennline

Fits:
Porsche 65-89 911/912/930

The Rennline HVAC control panel is CNC milled from a billet aluminum block and anodized for a classic and elegant dash upgrade. Whether you're trying to clean up the dash on your early 911, or backdating the dash on your G-body car, these HVAC controls are sure to do the job. Featuring simplified markings and updated micro LED indicators, the unit pairs very well with our I12 Billet HVAC Knobs (not included but available separately). OEM plastic units are prone to scratching and fading, while these units are proven to stand the test of time. Installs easily to factory control mechanism.

Note: If installing in a 74-89 car, the dash must be backdated as these controls are smaller than the later controls.
DISPLAYING 1 to 9 (of 9 products)
Also found on these pages
About Heating / Air conditioning Housings

Porsche Heating & Air Conditioning Housings | Precision Airflow & Climate System Integrity

The heating and air conditioning housing is the core structure that contains and directs airflow through your Porsche’s HVAC system. It houses essential components such as the blower motor, evaporator, heater core, and flaps — ensuring proper distribution of warm and cool air throughout the cabin. A well-sealed, correctly aligned housing maintains efficiency, airflow balance, and consistent cabin comfort.

At Design911, we offer high-quality heating and air conditioning housings designed to meet or exceed original performance standards. Built from durable, heat-resistant plastics or composite materials, these housings ensure perfect fitment, secure sealing, and long-term resistance to vibration and temperature changes.

Whether you’re restoring a classic air-cooled Porsche or maintaining a modern climate control system, our HVAC housings deliver dependable performance, improved air circulation, and precise climate regulation.

What Do Heating & Air Conditioning Housings Do?

The housing acts as the backbone of the HVAC system — securing and protecting the main components while directing air to the appropriate zones inside the cabin.

Core Functions:

  • Encases the heater core, evaporator, and air distribution components.
  • Directs airflow between heating, cooling, and defrosting circuits.
  • Maintains system pressure and ensures efficient air movement.
  • Prevents temperature loss and air leaks within the ventilation system.
  • Supports the integration of climate control sensors and actuators.

Without a properly sealed housing, the HVAC system cannot deliver balanced airflow or maintain temperature consistency, reducing comfort and efficiency.

Why Do Heating & A/C Housings Fail or Degrade?

Although built for durability, housings are exposed to constant vibration, temperature fluctuations, and moisture — all of which can lead to wear or structural failure over time.

Common Causes of Failure Include:

  • Cracked or warped plastic due to heat cycles.
  • Damaged mounting points or seals causing air leaks.
  • Corrosion around metal fasteners or brackets.
  • Blockages or debris buildup restricting airflow.
  • Misalignment from improper servicing or accident damage.
  • Blockages or debris buildup restricting airflow.
  • Misalignment from improper servicing or accident damage.

A damaged housing can cause weak airflow, inconsistent heating or cooling, and unwanted cabin noise.

Why Replace Your Porsche Heating / A/C Housing?

Replacing a cracked or leaking housing restores correct airflow, seals, and structural integrity within your HVAC system — ensuring reliable temperature control and quiet operation.

Key Benefits:

  • Restores efficient airflow and proper temperature regulation.
  • Prevents air leaks and loss of heating or cooling performance.
  • Ensures secure mounting for HVAC components.
  • Reduces cabin noise and vibration.
  • Compatible with Porsche 911, Boxster, Cayman, Panamera, Macan, Cayenne, and classic models.
  • Ideal for restorations, climate system rebuilds, or preventative maintenance.

Upgrading to a new housing ensures the internal components operate within proper tolerances and extends the lifespan of blower motors, evaporators, and heater cores.

Highlights

  • Precision-engineered Porsche HVAC housings for perfect airflow control.
  • Designed from durable, heat-resistant materials for long-term use.
  • Prevents leaks, vibration, and airflow loss.
  • Direct-fit replacements for modern and classic Porsche models.
  • Ideal for climate control system rebuilds and restorations.
  • Maintains optimal heating and cooling efficiency.       

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