How can RED Calc Free Tools help You?
We are working to provide you with the calculation tools you need to effectively perform your work as a residential energy professional. Our growing list of RED Calc Free packages and what they can do for you starts here. . .
Ventilation tool bundle allows you to calculate all the answers you need for your ventilation design and installation, including:
- Whole-building ventilation based on ASHRAE 62.2-2013 and 62.2-2010
- Fan run time
- Fan energy use
- Impact of ventilation on house pressure
- Airflow rate of fans
- See Tool Descriptions for the list of tools
Air Leakage tool bundle allows you to determine the results you need for your air sealing work and design, including:
- Hourly infiltration for a selected date range based on the AIM-2 infiltration model and TMY3 weather data
- Annual heating or sensible cooling load due to infiltration
- Design infiltration rate to be used in a heating or cooling load calculation
- Ability to determine the infiltration impact of temperature, wind, leakage distribution, flues, terrain, and more
- Impact of balanced and unbalanced ventilation on heating and cooling loads, and much more
- See Tool Descriptions for the list of tools
Insulation tool bundle allows you to determine the results you need for your insulation work, including:
- Bags of insulation for dense-pack or loose-fill projects
- Installed density for dense-pack projects
- R-value with your infrared instrument
- Heat transfer
- Parallel-path R-value and UA
- See Tool Descriptions for the list of tools
Domestic Hot Water (DHW) tool bundle allows you to compare hot water systems, calculate hot water needs, and determine flow rates, including:
- Compare up to three DHW systems with a base-case system for annual fuel use and cost
- Calculate the flow rate of a shower, faucet or other fixture
- Determine the fist-hour-rating for storage DHW system sizing
- Calculate the required size of an instantaneous water heater
- Determine the average daily usage of hot water
- See Tool Descriptions for the list of tools
Weather tool bundle allows you to select and analyze weather data and results based on weather data, including:
- The government weather station closest to your location with the use of drop-down menus of the interactive Google map
- Location data, such as latitude, longitude, and altitude
- Weather data, such as dry bulb and dew point temperatures and wind speed from table or the interactive chart
- See Tool Descriptions for the list of tools
Additional tools will be added frequently.