RED Calc Free
v1.0, Legacy Tool
Upgrade to RED Calc Pro
Save your calculations to RED Cloud ♦ Organize your work in folders ♦ Save time with templates ♦ Print and save PDF reports ♦ Customizable report headers and footers ♦ Preferential support ♦ Multi-tab/window syncing ♦ Fully functional offline mode ♦ No ads
Try RED Calc Pro at no cost!
You can use RED Calc Pro for 30 days free!
- Sign up for a monthly or yearly subscription. To do so, you must use your credit card, which will not be charged until the 30-day free trial period ends.
- If you think RED Calc Pro is not for you, you may cancel your subscription during the free-trial period, no charge, no fees.
Summary: Calculate the annual cost of heating domestic hot water. In addition, you may compare the annual costs of up to three systems to a base system. Four water heating fuel types are available; electricity, natural gas, LPG, and #2 oil. You can use this tool for any system for which you have an energy factor (EF), including electric resistance and heat pump systems, and various types of oil- and gas-fired systems. See Tool Guide. Click on any input or result label for help. By using this tool (application) you agree to the Terms of Use.
This legacy tool is NOT optimized for mobile devices. Stay tuned for the mobile-optimized version 2.0.