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What you get: Degree-day delivery planner, monthly. Prices in USD, + tax where applicable (shown at checkout before you pay). See all 3 options
Secure checkout by Stripe (shown as Link) · instant delivery · refund policy
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What you get: Degree-day delivery planner, monthly. Prices in USD, + tax where applicable (shown at checkout before you pay). See all 3 options
Secure checkout by Stripe (shown as Link) · instant delivery · refund policy
Tankfern Pro for heating-oil and propane dealers: unlimited customer tanks, degree days from several NOAA stations, K-factors learned from your delivery history, CSV import and export, price alerts and printable route sheets with totals.
Human support: cybermax.tools@gmail.com · Tax handled at checkout · 14-day fix-or-refund terms
| Account | Deliver by | List | Now | Fuel · tank | K-factor |
|---|---|---|---|---|---|
| A-1006 Elm St office | Oct 9 | This week | 17% | Oil · 330 | 7.8 |
| A-1004 Riverside garage | Oct 9 | This week | 17% | Oil · 275 | 4.6 |
| A-1002 Cedar Lane diner | Oct 21 | Next week | 36% | Propane · 1000 | 9.5 |
| A-1005 Pine Ridge farmhouse | Nov 4 | Later | 49% | Propane · 500 | 3.37 learned |
| A-1003 Birch Court, unit 4 | Nov 6 | Later | 47% | Oil · 275 | 6.01 learned |
| A-1001 Hillside Church hall | Dec 19 | Later | 80% | Oil · 550 | 4.2 |
a real Tankfern forecast of six fictional accounts with Newark (EWR) degree days from NOAA ACIS, 9 Oct 2026
14-day fix-or-refund if it doesn't work as described: email us within 14 days and we fix it or refund you in full. Refund terms.
Prices in USD, + tax where applicable (shown at checkout before you pay).
Tankfern Pro for heating-oil and propane dealers: unlimited customer tanks, degree days from several NOAA stations, K-factors learned from your delivery history, CSV import and…
Buy nowTankfern Pro for a full year, billed yearly (290 USD instead of 348): unlimited customer tanks, several NOAA degree-day stations, learned K-factors, CSV import and export, price…
Buy nowOne payment, Tankfern Pro for good: unlimited customer tanks, several NOAA degree-day stations, learned K-factors, CSV import and export, price alerts and route sheets with totals.
Buy nowTankfern Pro for heating-oil and propane dealers: unlimited customer tanks, degree days from several NOAA stations, K-factors learned from your delivery history, CSV import and export, price alerts and printable route sheets with totals. Your account list stays in your browser. Your licence key appears the moment checkout finishes. Cancel any time at tankfern.cybermaxtools.com/manage.
Checkout is handled by Stripe. Your download, licence key or API key and your receipt arrive by email right after payment.
Yes. If it doesn't work as described, email us within 14 days and we fix it or refund you in full. See the refund policy.
Card details go only to Stripe. CyberMax never sees them; sales tax or VAT is calculated at checkout.
Any time, from the link in your receipt email. You keep access until the end of the paid period.
Published prices, checked 2026-10-09: Degree Days Online, $119.95/month for most companies; Degree Days Online (Basic, TrustRadius), from $79.95/month. Tankfern starts at $29, and you can try it free on this page before paying.
Tankfern · from $29/month
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Prices and plans generated from live Stripe data on 11 Nov 2026.
