Kopperfield subject lines
110 subject lines averaging 40 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Oct 29, 2026 11:30 AM | Your whole team is invited | 26 | Better design and review workflows with team collaboration features | Oct 29, 2026 11:30 AM · 26 characters. Better design and review workflows with team collaboration features | |
| Oct 29, 2026 12:32 AM | Design docs that pass inspections | 33 | See what an electrical inspector has to say about our load calculator | Oct 29, 2026 12:32 AM · 33 characters. See what an electrical inspector has to say about our load calculator | |
| Oct 28, 2026 12:30 AM | More design tools, for less | 27 | Plans starting as low as $34.99 per month | Oct 28, 2026 12:30 AM · 27 characters. Plans starting as low as $34.99 per month | |
| Oct 27, 2026 2:42 PM | Your whole team is invited | 26 | Better design and review workflows with team collaboration features | Oct 27, 2026 2:42 PM · 26 characters. Better design and review workflows with team collaboration features | |
| Oct 27, 2026 6:23 AM | 📹 Video: create single line diagrams fast | 42 | Watch our tutorial to see how electricians use Kopperfield to create professional single… | Oct 27, 2026 6:23 AM · 42 characters. Watch our tutorial to see how electricians use Kopperfield to create professional single… | |
| Oct 27, 2026 12:29 AM | New! National Electrical Code chatbot | 37 | Try our free NEC chatbot and let us know what you think | Oct 27, 2026 12:29 AM · 37 characters. Try our free NEC chatbot and let us know what you think | |
| Oct 26, 2026 12:28 AM | Save time with panel schedules | 30 | Create free panel schedules and electric panel labels | Oct 26, 2026 12:28 AM · 30 characters. Create free panel schedules and electric panel labels | |
| Oct 23, 2026 8:28 PM | Discover our top 5 line diagrams | 32 | Create your own template as a Kopperfield subscriber | Oct 23, 2026 8:28 PM · 32 characters. Create your own template as a Kopperfield subscriber | |
| Oct 22, 2026 11:27 PM | Check out our free single line diagram tool | 43 | Create diagrams in minutes with our pre-built templates and easy drawing tools | Oct 22, 2026 11:27 PM · 43 characters. Create diagrams in minutes with our pre-built templates and easy drawing tools | |
| Oct 22, 2026 9:19 PM | Design docs that pass inspections | 33 | See what an electrical inspector has to say about our load calculator | Oct 22, 2026 9:19 PM · 33 characters. See what an electrical inspector has to say about our load calculator | |
| Oct 22, 2026 11:29 AM | Discover our top 5 line diagrams | 32 | Create your own template as a Kopperfield subscriber | Oct 22, 2026 11:29 AM · 32 characters. Create your own template as a Kopperfield subscriber | |
| Oct 21, 2026 11:26 PM | Have you seen our automatic panel photo processing? | 51 | Available with our Tools plans starting at $24.99 per month | Oct 21, 2026 11:26 PM · 51 characters. Available with our Tools plans starting at $24.99 per month | |
| Oct 21, 2026 9:18 PM | More design tools, for less | 27 | Plans starting as low as $34.99 per month | Oct 21, 2026 9:18 PM · 27 characters. Plans starting as low as $34.99 per month | |
| Oct 20, 2026 9:17 PM | New! National Electrical Code chatbot | 37 | Try our free NEC chatbot and let us know what you think | Oct 20, 2026 9:17 PM · 37 characters. Try our free NEC chatbot and let us know what you think | |
| Oct 20, 2026 2:41 PM | Discover our top 5 line diagrams | 32 | Create your own template as a Kopperfield subscriber | Oct 20, 2026 2:41 PM · 32 characters. Create your own template as a Kopperfield subscriber | |
| Oct 20, 2026 6:22 AM | Ace EV charger load calcs every time ⚡🚗 | 40 | Try the free load calculator designed to handle EV chargers | Oct 20, 2026 6:22 AM · 40 characters. Try the free load calculator designed to handle EV chargers | |
| Oct 19, 2026 9:16 PM | Save time with panel schedules | 30 | Create free panel schedules and electric panel labels | Oct 19, 2026 9:16 PM · 30 characters. Create free panel schedules and electric panel labels | |
| Oct 19, 2026 7:41 AM | Check out our free single line diagram tool | 43 | Create diagrams in minutes with our pre-built templates and easy drawing tools | Oct 19, 2026 7:41 AM · 43 characters. Create diagrams in minutes with our pre-built templates and easy drawing tools | |
| Oct 16, 2026 9:14 PM | Check out our free single line diagram tool | 43 | Create diagrams in minutes with our pre-built templates and easy drawing tools | Oct 16, 2026 9:14 PM · 43 characters. Create diagrams in minutes with our pre-built templates and easy drawing tools | |
| Oct 16, 2026 8:27 PM | Load calculations made easy | 27 | See how Kevin creates professional load calcs with Kopperfield | Oct 16, 2026 8:27 PM · 27 characters. See how Kevin creates professional load calcs with Kopperfield | |
| Oct 15, 2026 11:13 PM | Welcome to the Kopperfield community | 36 | Thanks for subscribing to our newsletter | Oct 15, 2026 11:13 PM · 36 characters. Thanks for subscribing to our newsletter | |
| Oct 15, 2026 9:13 PM | Have you seen our automatic panel photo processing? | 51 | Available with our Tools plans starting at $24.99 per month | Oct 15, 2026 9:13 PM · 51 characters. Available with our Tools plans starting at $24.99 per month | |
| Oct 15, 2026 11:28 AM | Load calculations made easy | 27 | See how Kevin creates professional load calcs with Kopperfield | Oct 15, 2026 11:28 AM · 27 characters. See how Kevin creates professional load calcs with Kopperfield | |
| Oct 14, 2026 11:12 PM | Get 10% off all Kopperfield tools | 33 | Access your discount code to get started | Oct 14, 2026 11:12 PM · 33 characters. Access your discount code to get started | |
| Oct 14, 2026 9:11 PM | Try our free load calculator | 28 | Create calculations and get a PDF report in minutes | Oct 14, 2026 9:11 PM · 28 characters. Create calculations and get a PDF report in minutes | |
| Oct 13, 2026 2:40 PM | Load calculations made easy | 27 | See how Kevin creates professional load calcs with Kopperfield | Oct 13, 2026 2:40 PM · 27 characters. See how Kevin creates professional load calcs with Kopperfield | |
| Oct 13, 2026 6:21 AM | Your whole team is invited | 26 | Better design and review workflows with team collaboration features | Oct 13, 2026 6:21 AM · 26 characters. Better design and review workflows with team collaboration features | |
| Oct 9, 2026 8:59 PM | Welcome to Kopperfield | 22 | Get started with our free tools today | Oct 9, 2026 8:59 PM · 22 characters. Get started with our free tools today | |
| Oct 9, 2026 8:26 PM | Hey, don’t take our word for it | 33 | See what others are saying about Kopperfield | Oct 9, 2026 8:26 PM · 33 characters. See what others are saying about Kopperfield | |
| Oct 8, 2026 11:26 AM | Hey, don’t take our word for it | 33 | See what others are saying about Kopperfield | Oct 8, 2026 11:26 AM · 33 characters. See what others are saying about Kopperfield | |
| Oct 6, 2026 2:39 PM | Hey, don’t take our word for it | 33 | See what others are saying about Kopperfield | Oct 6, 2026 2:39 PM · 33 characters. See what others are saying about Kopperfield | |
| Oct 6, 2026 6:20 AM | Discover our top 5 line diagrams | 32 | Create your own template as a Kopperfield subscriber | Oct 6, 2026 6:20 AM · 32 characters. Create your own template as a Kopperfield subscriber | |
| Oct 2, 2026 8:25 PM | Create commercial load calcs with confidence | 44 | Kopperfield isn’t just for residential projects. Try our commercial load calculator. | Oct 2, 2026 8:25 PM · 44 characters. Kopperfield isn’t just for residential projects. Try our commercial load calculator. | |
| Oct 1, 2026 11:25 AM | Create commercial load calcs with confidence | 44 | Kopperfield isn’t just for residential projects. Try our commercial load calculator. | Oct 1, 2026 11:25 AM · 44 characters. Kopperfield isn’t just for residential projects. Try our commercial load calculator. | |
| Sep 29, 2026 2:38 PM | Create commercial load calcs with confidence | 44 | Kopperfield isn’t just for residential projects. Try our commercial load calculator. | Sep 29, 2026 2:38 PM · 44 characters. Kopperfield isn’t just for residential projects. Try our commercial load calculator. | |
| Sep 29, 2026 6:21 AM | Load calculations made easy | 27 | See how Kevin creates professional load calcs with Kopperfield | Sep 29, 2026 6:21 AM · 27 characters. See how Kevin creates professional load calcs with Kopperfield | |
| Sep 25, 2026 8:24 PM | Why we use actual device wattages for our load calculator | 57 | Get more accurate results with real-world values | Sep 25, 2026 8:24 PM · 57 characters. Get more accurate results with real-world values | |
| Sep 24, 2026 11:24 AM | Why we use actual device wattages for our load calculator | 57 | Get more accurate results with real-world values | Sep 24, 2026 11:24 AM · 57 characters. Get more accurate results with real-world values | |
| Sep 22, 2026 2:38 PM | Why we use actual device wattages for our load calculator | 57 | Get more accurate results with real-world values | Sep 22, 2026 2:38 PM · 57 characters. Get more accurate results with real-world values | |
| Sep 22, 2026 6:18 AM | Hey, don’t take our word for it | 33 | See what others are saying about Kopperfield | Sep 22, 2026 6:18 AM · 33 characters. See what others are saying about Kopperfield | |
| Sep 18, 2026 8:22 PM | 📓 Field Notes: How Eco Energy Services slashed load calc time by 80% | 69 | We sat down with Conrad from Eco Energy to hear how Kopperfield changed their workflow | Sep 18, 2026 8:22 PM · 69 characters. We sat down with Conrad from Eco Energy to hear how Kopperfield changed their workflow | |
| Sep 17, 2026 11:21 AM | 📓 Field Notes: How Eco Energy Services slashed load calc time by 80% | 69 | We sat down with Conrad from Eco Energy to hear how Kopperfield changed their workflow | Sep 17, 2026 11:21 AM · 69 characters. We sat down with Conrad from Eco Energy to hear how Kopperfield changed their workflow | |
| Sep 15, 2026 2:37 PM | 📓 Field Notes: How Eco Energy Services slashed load calc time by 80% | 69 | We sat down with Conrad from Eco Energy to hear how Kopperfield changed their workflow | Sep 15, 2026 2:37 PM · 69 characters. We sat down with Conrad from Eco Energy to hear how Kopperfield changed their workflow | |
| Sep 15, 2026 6:17 AM | Create commercial load calcs with confidence | 44 | Kopperfield isn’t just for residential projects. Try our commercial load calculator. | Sep 15, 2026 6:17 AM · 44 characters. Kopperfield isn’t just for residential projects. Try our commercial load calculator. | |
| Sep 10, 2026 8:27 PM | Reminder: one day remaining for our flash sale | 46 | Save 20% on Kopperfield tools before it’s too late | Sep 10, 2026 8:27 PM · 46 characters. Save 20% on Kopperfield tools before it’s too late | |
| Sep 9, 2026 11:22 AM | Reminder: one day remaining for our flash sale | 46 | Save 20% on Kopperfield tools before it’s too late | Sep 9, 2026 11:22 AM · 46 characters. Save 20% on Kopperfield tools before it’s too late | |
| Sep 8, 2026 6:15 AM | Why we use actual device wattages for our load calculator | 57 | Get more accurate results with real-world values | Sep 8, 2026 6:15 AM · 57 characters. Get more accurate results with real-world values | |
| Sep 7, 2026 2:35 PM | Reminder: one day remaining for our flash sale | 46 | Save 20% on Kopperfield tools before it’s too late | Sep 7, 2026 2:35 PM · 46 characters. Save 20% on Kopperfield tools before it’s too late | |
| Sep 4, 2026 8:19 PM | 🎉 Hey, flash sale for one week only | 36 | Get 20% off design tools from Kopperfield | Sep 4, 2026 8:19 PM · 36 characters. Get 20% off design tools from Kopperfield | |
| Sep 3, 2026 11:19 AM | 🎉 Hey, flash sale for one week only | 36 | Get 20% off design tools from Kopperfield | Sep 3, 2026 11:19 AM · 36 characters. Get 20% off design tools from Kopperfield |
Based on 110 emails received from Jun 17 to Oct 29, 2026. Times in US Eastern. How we collect