Give your customers a solution for variable capacity HVAC enhancement

Rawal APR modifies any DX system to operate as a modulating variable capacity system


Rawal APR Control

Helps all of your Contractor and Facilities customers

Satisfying distributor priorities

Complex solutions aren’t needed for every situation

New technologies like variable speed HVAC give you new ways to serve your customers. But they’re not right in every situation, can cost more, and may not be in-stock. Rawal APR Control is often easier to install and gets the job done right:

  • Compete on jobs with stock equipment when customers don’t have the budget for variable speed
  • Allow contractors to repair existing in-place equipment when replacement is not an option
  • Reduce call-backs and preserve your customers warranty budget
  • Maintain lasting relationships with your contractor customers
Helps all of your contractor and facilities customers

Modifies any DX system to operate as a modulating variable capacity system

APR Control is a variable capacity enhancement for new and existing (in-place) DX (direct expansion) systems in a wide range of commercial and industrial facilities and applications that helps provide:

  • Tight temperature control
  • Better humidity control
  • Improved high-percentage outside air
  • System protection (fewer call-backs)

The alternative to variable speed technology

Your customers don’t have to sacrifice comfort for energy efficiency.

Value Engineering:

Compete on jobs when your customer doesn’t have the budget for new variable speed equipment

Enable contractors to offer repair instead of replace

Easy to install & maintain

Improves equipment reliability and lifespan

Shorter lead times - sell in-stock equipment as a customized solution

Flexible Solutions

Help HVAC systems respond to dynamic load criteria

As much as 80% turndown on standard DX systems

The APR Control delivers true load-matching performance

Continuous dehumidification

Extend compressor run-time and maintain evaporator coil in dehumidifying mode

Lower power consumption during part load operation

APR Control unloads the compressor to operate at a lower kW draw

Shorter lead times

Deliver the right solution to your customer in less time

Your standard HVAC equipment can be customized for special applications, especially with budget or lead time constraints

Eliminate the need for expensive customized equipment with long lead times

Great for spaces with frequent load fluctuation such as schools, offices, and manufacturing facilities

Useful for VAV, VVT, make up air, and high percentage outside air applications

System protection for variable airflow volume (VAV) applications

APR Control allows for significant airflow reduction across the evaporator coil to provide optimal system performance

Systems with VFD on evaporator fan motors require APR Control to prevent compressor damage and provide consistent discharge air temperature.

APR Control protects refrigeration circuit from coil freezing during low airflow operation

Rawal APR Control

Stronger relationships with your contractor & service technician customers

Help customer complete problem jobs in less time

Eliminates high humidity

Reduces temperature fluctuations

Extends compressor lifespan

Protects refrigeration circuit

Provides true load-matching up to 80% turndown

Loved by contractors, service technicians, and their customers

Reduces call-backs and saves warranty reserve funds

Technician-friendly: simplify installation, start-up, and service

Avoid costly system replacement and downtime

Adding Rawal APR

Correct over-sized equipment

Eliminates inconvenient and excessive call-backs

Helps you strengthen relationships with your service & maintenance customers

Increases service pull-through work and sales

Protects systems from deferred preventive maintenance / service

Provides a comfortable environment for the occupant

Improves designs to enhance performance


Distributor Resources

  1. How to sell The APR Control

  2. APR Control Sales Sheet

    Transform any standard DX air conditioning system into a variable capacity system with the APR Control.
  3. Educational videos

  4. Customer Success stories

  5. APR Solution by Industry

The Rawal APR Control is a variable capacity enhancement to DX HVAC systems.

The dynamic nature of plant growth cycles and cultivation phases demands air conditioning units that can adapt to changing environmental requirements. These HVAC systems play a critical role in maintaining optimal temperature, humidity, and ventilation conditions to support healthy plant development and maximize crop yield.

Industrial manufacturing facilities experience fluctuating occupant loads, demanding robust and adaptable HVAC systems.

The dynamic nature of production processes and workforce activities necessitates air conditioning units capable of adjusting to changing operational demands.

Any commercial retail or office space faces the same challenge – too hot/too cold and too humid being the top complaints. These problems are often driven by varying occupancy across commercial office spaces with  some companies on a regular 5-day in the office schedule while others are on a varied schedule.

The controlled environments within these facilities demand meticulous temperature, humidity, and air quality management. Fluctuating activities, such as experiments or surgeries, necessitate adaptable air conditioning units to maintain optimal conditions.

Restaurants and diners contend with fluctuating occupant loads, demanding adaptable air conditioning (AC) and heat pump (HP) systems. The ebb and flow of customers throughout the day necessitates HVAC units capable of adjusting to changing occupancy levels.

The dynamic nature of healthcare institutions, with varying patient admissions and discharges, requires air conditioning units to constantly adapt to changing occupancy levels. This flexibility is crucial for maintaining a comfortable and healthy environment for patients, staff, and visitors.

Schools face challenges with systems serving classrooms, providing fresh air for a lot of people in a small space.

This often leads to high humidity and equipment failure.