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Additional Information

Health and Safety Standards

ACT developed its Altiflo™ system in collaboration with the US Naval Air Systems Command for true altitude simulation, high air quality and total system safety. Every ACT Altiflo™ system meets three important engineering standards: OSHA’s standard for air quality, CDC’s standard for safe oxygen levels, and NFPA’s 99B standard for fire safety. We engineer an integrated system, and we guarantee the performance and safety of our systems. We don’t guess with your health, safety or comfort–we measure and control.

An altitude control system must meet three important standards. ACT’s Altiflo™ is the only product that meets these standards.

Fire Safety  Oxygen can increase fire risk unless the system meets NFPA 99B standards for safe oxygen levels. Meeting NFPA’s standard requires three things: a control system with a barometric pressure sensor, reliable oxygen sensors, and the NFPA algorithm which is based on atmospheric pressure. For additional fire safety ACT’s Altiflo™ system can integrate with the building’s fire panel to shut off oxygenation in an emergency. ACT is the only company that meets this standard. 

Air Quality – A control system must keep the air fresh. When occupied, rooms can become stuffy if not properly ventilated. ACT’s system detects whether a room is occupied or vacant. When the room is occupied the system increases ventilation to maximize air quality. When the room is vacant the system conserves energy while still maintaining the desired air quality, altitude and oxygen level. ACT’s Altiflo™ is the only altitude control system that meets OSHA standards for air quality.

Oxygen Safety – ACT’s is the only oxygen control system to guarantee meeting CDC’s standard for safe oxygen levels in all areas of the building. Safety must never depend on hardware, software, atmospheric conditions, or even correct operation. ACT Altiflo™ systems are fail safe — even in the event of a power outage or complete system failure.

Board of Science Advisors

ACT’s board of advisors has been instrumental in the specifications of ACT’s oxygen-controlled systems. 

  • * Peter Hackett M.D. – Institute for Altitude Medicine. CU School of Medicine
  • * Andrew Subudhi Ph.D. – Altitude Research Center – University of Colorado
  • * Steve Muza Ph.D. – US Army Research Institute for Environmental Medicine
  • * Ken Kambis Ph. D. – Altitude Physiology Research Center – College of William & Mary
  • * Randy Wilbur Ph.D. – US Olympic Training Center Colorado Springs

Comfort and Convenience Features

ACT’s state of the art Altiflo™ altitude control system is: 

Effective – Unlike systems without sensors or controllers, ACT’s Altiflo™ system reduces effective altitude by up to 7,000 feet in well insulated rooms to take your bedroom out of the altitude sickness zone. 

Quiet – Sound attenuation padding, spring suspensions, and silencing mufflers ensure the quietest operation possible. Most installations are virtually inaudible in the bedroom. 

Unobtrusive – No equipment clutters living space. ACT sensors and molecular sieves are out of sight. The Altistat™ display and Controller can be discreetly placed in a closet or prominently displayed to show its color touch screen and high-tech appearance.

Scientific – True altitude simulation requires a barometric pressure sensor, oxygen sensors, and algorithms to calculate the partial pressure of oxygen and display true altitude. To ensure accuracy we use two oxygen sensors. The Altiflo™ Controller constantly compares their readings to ensure accuracy and to prevent sensors from drifting out of calibration.

Computer Controlled – ACT’s Altiflo™ system is programmed for completely automatic operation. It can integrate with your Savant or Crestron home automation system. And you can control it from your smartphone from anywhere in the world. 

Reliable – ACT engineers its Altiflo™ systems to remain functional even during maintenance or in the event of a mechanical breakdown. Our multiple independent unit system provides redundancy so the system need never be offline. 

Virtually Maintenance Free – Maintenance requires only a filter replacement that takes a few minutes every 2,000 hours. Our sensors even calibrate themselves. 

High Tech – ACT’s Altiflo™ altitude simulation system has a full range of features including a color touch screen interface, data logging, real time graphs, remote diagnostics, automatic software updates, and modern design. 

Altiflo™ Controller with Altistat™ Display

Altistat™  The world’s first hardware and software combination that allows you to control your effective altitude. ACT’s state of the art Altiflo™ altitude control system is the result of two years and millions of dollars in research and development. It meets all standards for accuracy, air quality and safety. 

True Altitude  This is the only oxygen control device that simulates true altitude. By monitoring barometric pressure and controlling oxygen levels accordingly the ACT Altiflo™ Controller assures accurate partial pressures of oxygen–true altitude simulation. 

Fire Safety – The Altiflo™ Controller integrates with the building’s fire panel to shut off oxygen flows in an emergency. In oxygenating mode, the controller controls oxygen levels according to barometric pressure to meet NFPA 99B standards for fire safe oxygen levels. No other oxygen control system does this.

Air Quality – The Altiflo™ Controller can detect occupancy and regulate ventilation to maximize air quality and stay within OSHA limits for CO2. ACT’s Altiflo™ is the only system to meet this standard. 

Oxygen Safety – ACT’s Altiflo™ Controller is programmed to maintain minimum oxygen levels in all spaces at all times in altitude simulation applications as set by ACT’s Medical Board of Advisors.

Functions – The ACT Altiflo™ Controller can operate entirely automatically. Set the desired altitude and the Altiflo™ system handles everything on its own. It corrects for changes in atmospheric pressure, and air quality. It calibrates its own sensors automatically while managing equipment, vents and dampers to maintain altitude simulation. The Controller can detect occupancy to maximize air quality and minimize energy consumption. The Controller logs data for a complete history of oxygen and CO2 levels, and altitude simulation. Twenty-one independently programmed drivers can control vents, dampers, mode selectors and other equipment to control altitude simulation, air quality and fire safety. Its software incorporates NFPA’s fire safety algorithms as well as OSHA’s air quality standard and the West Equations to calculate altitude accurately in all atmospheric conditions. It can connect with its sensors remotely to allow for independent placement of the control panel and sensors. And it is virtually maintenance free over its entire life. 

Interface  The Altistat™ interface features a full color touch screen monitor that is simple and easy to use. Simply select the desired altitude. The Altistat™ and Controller do the rest including displaying oxygen and CO2 levels, and current simulated altitude. It shows real time graphs and trends. Several are available to show as much or little information as you like. The Altiflo™ system integrates with your building’s automation system, and can be scheduled for targeted altitudes. The Altiflo™ system can be controlled from your smartphone from anywhere in the world using Altiflo™ Mobile.

Sensors

ACT Altiflo™ Control systems incorporate three different sensors, each with critical functions for health and safety.

Oxygen Sensors – ACT utilizes oxygen sensor sets specifically for altitude simulation. Unlike other sensors that last only a year and require monthly calibration with special calibration gases, ACT’s sensors have a 10-year life, and calibrate themselves automatically in ordinary air in about one minute.

Dual Oxygen Sensors  ACT uses two oxygen sensors for safety and accuracy. By comparing readings between sensors, the system can identify erroneous readings or out-of-calibration sensors. ACT is the only company to utilize dual sensors in this way. Without this feature sensor failure or drift can occur with obvious consequences.

Oxygen Sensor Electronics  Using state-of-the-art microprocessor electronics for single range, linear analog output in either a voltage or a current, this sensor provides unmatched stability and reliability even in rapid temperature swings from 0°F to +130°F.

Barometric Pressure Sensor – ACT’s Altiflo™ is the only oxygen control system that measures barometric pressure – a critical step in altitude simulation. In addition, this sensor is essential to calculating fire safe oxygen levels to meet NFPA’s 99B standard in oxygenating applications. ACT’s new pressure transducer is so accurate it detects pressure changes of 1/10th of a millibar.

Carbon Dioxide Sensor  Carbon dioxide levels are the best indicator of indoor air quality. By constantly measuring CO2 the controller adjusts ventilation and air separation functions to keep the air fresh. ACT’s Altiflo™ Controller can detect when a room is occupied and intelligently manage air-exchange for the most pleasant and freshest environment.

Altiflo™ Air Separation

Inherently Safe – Unlike some air separation systems, ACT’s cannot deliver unsafe levels of oxygen in any application or in any area of the system; either treated rooms or exhaust areas. Even in a power outage or mechanical failure the system will always have safe levels of oxygen.

Quiet and Efficient  With only one moving part ACT’s Altiflo™ Air Unit is the quietest most energy efficient air separation system available.

Performance  ACT Altiflo™ Air Separation will produce 25% greater air flow, give the greatest ventilation and performance with the minimum amount of equipment.

No surge  To avoid power surge our air units activate themselves sequentially, spreading the surge gently over a period of several seconds.

Intelligence – ACT Altiflo™ Air Units can function in four different modes to intelligently respond to conditions and settings in your treated space.

Modular  ACT’s modular system of multiple air units provides redundancy and reliability. If one unit is down, the others pick up the load. The system remains operational at all times and need not be taken offline for maintenance.

Maintenance  ACT’s Altiflo™air units typically run for years before requiring more than a filter change. Because the ACT air unit weighs only 62 pounds / 28 kg, one person can easily manage maintenance or replacement. Compare the 5-year cost of energy and maintenance of ACT’s system to competitive systems. Maintenance costs for ACT systems are usually half of what you would pay to maintain a competing system. The ACT system can often pay for itself in savings.

Easy Expansion – A modular system makes for easy low-cost expansion of any oxygen-controlled system. No investment is ever wasted, and you never have to buy more equipment than you need.

Reliable – Multiple air units provide redundancy. If one air unit is down for maintenance or mechanical failure the system can continue to operate without interruption, as other air units pick up the load.

Specifications sheets for equipment for your project are available upon request.

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