We understand that plans can change. Below are the terms for cancellations and refunds for our in-person events:
30 or more days before the event: A $250 cancellation fee will be applied per student.
20-29 days before the event: A $500 cancellation fee will be applied per student.
14-19 days before the event: A $1000 cancellation fee will be applied per student.
Within 2 weeks days of the event: No refund will be issued. Cancellation fees are non-negotiable.
Do you offer certifications?
We provide you with a certificate of completion, and our class qualifies for CE credits with the IICRC.
Are are you IICRC certified?
No.
How are you different than other trainings?
a. We help you make sense out of your psychrometric logs. b. Educate you on knowing if your drying strategies are working or not each day of the loss. c. Grow your confidence in your job and know when and what changes need to be made to your drying strategy. d. Determine which drying equipment technologies will work best in all conditions. e. We teach you how to calculate and determine which conditions will dry the fastest and how much faster. f. Learn to predict drying times. g. Understand the scientific and mathematical formulas for sizing of Dehumidifiers, air movers, air filtration devices, heaters, grain depression on DH’s h. We teach E3 Enthalpy Evaporation Evaluation which is the only metric that tells you if your drying scenario is drying properly based off multiple conditions. i. What is taught is not contradictory to the IICRC but complementary to. j. We teach you to understand the science and math behind the evaporation of water and how to apply to water mitigation
After downloading the app to your device then go to www.dewald.app to create your account and pay for your subscription.
How do I create a company account for the E3 app?
Go to www.dewald.app to create your company account and pay for your subscription.
How much does the E3 app cost?
General Information
What is E³, and why is it essential in water damage restoration?
E³, or Enthalpy Evaporation Evaluation, is a unique metric designed specifically for the water damage restoration industry. It evaluates the evaporation or drying power of air based on temperature, vapor pressure, dew point, and other psychrometric factors. This system provides scientific and mathematical justification for drying setups, ensuring that restorers can make evidence-based decisions to optimize drying times and effectiveness.
What does an E³ Value represent, and how is it calculated?
The E³ Value measures how effectively air conditions can dry a structure. Higher values indicate faster drying rates, allowing restoration professionals to evaluate and rank equipment efficiency accurately. The E³ system factors in free and bound water to provide a comprehensive measure of drying potential, typically within a temperature range of 10°F to 175°F.
What is E³ Targets, and how should they be interpreted?
E³ Targets are daily benchmarks for assessing the efficiency of the drying setup. These targets are calculated based on factors such as equipment type, loss class, day of loss, elevation, and external environmental conditions. If targets are met each day, it indicates that the setup is effective. Failure to meet targets may signal inefficiencies or the need to adjust the drying setup.
What’s the difference between Open and Closed System Controls, and when should each be used?
Open System Controls: These are used when exchanging air between the drying chamber and the outside environment, typically when heating or temperature control is necessary. Open systems can help restorers manage desired temperature, airflow, and BTU/hr needs based on chamber volume and outside conditions.
Closed System Controls: Used when air is recirculated within the chamber without introducing outside air. This system is ideal when trying to maintain specific temperature conditions based on heat loads from drying equipment alone.
Equipment and Calculations
How do I determine the right number and type of air movers for a project?
The E³ app offers detailed sizing based on individual room conditions. You input room dimensions, surface area of wet walls, and ceiling or floor conditions. The app uses these inputs along with the class of water loss to recommend the number and type of air movers, such as axial, centrifugal, or radial, tailored to each specific area.
What factors influence the selection of dehumidifiers?
Dehumidifiers are sized based on chamber volume, the class of water loss, external humidity (grains per pound, or GPP), and the type of dehumidifier (e.g., Conventional, Low Grain Refrigerant (LGR), or Desiccant). The app calculates the ideal dehumidifier type and quantity to effectively reduce moisture levels.
How do I calculate the BTU/hr for heating or dehumidification equipment?
The app requires the desired and current internal temperatures, outside temperature, and chamber volume to calculate the BTU/hr needed. This estimate ensures that the appropriate amount of heat or dehumidification is supplied to reach the desired drying conditions within 24 hours.
What is a grain depression, and how does it relate to dehumidifier performance?
Grain depression is the measure of a dehumidifier’s ability to lower the humidity in the air by removing moisture. The app evaluates this performance using psychrometric conditions like chamber temperature and relative humidity. Monitoring grain depression helps ensure the dehumidifier is effectively reducing moisture within the drying chamber.
What are Air Scrubbers, and how do I select the right model?
Air scrubbers, or air filtration devices, are essential for maintaining air quality by filtering particulates. The E³ app sizes air scrubbers based on loss type (water or mold), chamber volume, and recommended air exchanges per hour. For water losses, it recommends 4 exchanges per hour: for mold, 6 exchanges per hour, accounting for filter efficiency.
Specialized Drying Scenarios
How does the app determine the cooling capacity of an HVAC system in a drying chamber?
The app calculates the BTU/hr of cooling that an HVAC system can provide based on HVAC capacity, total supply vent count, and the number of supply vents within the drying chamber. If cooling requirements are greater than the HVAC capacity, additional cooling measures may be necessary to balance out the heat load generated by drying equipment.
What’s the purpose of a floor drying system, and how is it set up?
Floor drying systems are used to efficiently dry specific flooring types, such as sanded and finished hardwood or ceramic tile on subfloors. The app allows you to select the type of flooring and wet area size to determine the necessary drying units and setup. For instance, if drying sanded hardwood, the app might suggest a system with high- precision mats that target water extraction from the floor’s surface.
Job Workflow and Documentation
How do I add a job in the E³ system, and what information is required?
Begin by entering job details such as job name, address, and date of loss. You can also specify chamber conditions (class of loss, elevation, and electricity rate). From there, add room details, HVAC usage, and equipment data like air movers and dehumidifiers. This information will guide the setup and ensure all factors are accounted for in the drying process.
What information should be included in the chamber room setup?
Floor drying systems are used to efficiently dry specific flooring types, such as sanded and finished hardwood or ceramic tile on subfloors. The app allows you to select the type of flooring and wet area size to determine the necessary drying units and setup. For instance, if drying sanded hardwood, the app might suggest a system with high- precision mats that target water extraction from the floor’s surface.
What kind of documentation can I export from the E³ system?
The app allows you to export summaries of daily drying logs, including initial job conditions, daily environment conditions, equipment settings, and progress notes. This data can be exported in PDF or Excel formats, creating a clear record of the drying project for stakeholders.
How can I document daily equipment readings and environment changes?
The app lets you record daily readings for each dehumidifier, heater, and HVAC system, as well as conditions inside and outside the drying chamber. Documenting these readings ensures a consistent record of changes in humidity, temperature, and equipment performance.
Operational and Cost Considerations
How does the app help calculate the cost of electricity for a project?
The app includes a cost estimator where you can select the electricity rate (residential or commercial by state) and add equipment types and quantities. This estimate provides the total daily cost of operating the drying equipment, helping in budgeting and client reporting.
What is psychrometric data, and how is it used in the E³ system?
Psychrometric data includes measurements such as grains per pound, vapor pressure, and absolute humidity. These calculations help predict moisture movement and evaluate air drying potential, allowing restoration teams to make data-informed decisions to maximize drying efficiency.
What is the purpose of equipment rankings in the E³ app?
Equipment rankings compare different drying equipment based on their average E³ values, considering class of loss and outside grains per pound (GPP). This feature enables you to select the best equipment for each project based on environmental conditions and drying power, optimizing resource usage.
Technical Troubleshooting
What should I do if the E³ Target isn’t met on a particular day?
discrepancies, ranging from equipment issues to environmental conditions. This checklist can guide adjustments to ensure drying setups achieve daily targets, enhancing efficiency and accountability.
What should I know about using dehumidifiers for stabilization?
Dehumidifiers used for stabilization manage both internal and external moisture contributions, including the moisture content of materials and chamber volume. The app helps determine the required number of dehumidifiers based on stabilization targets, ensuring an optimal environment.