AirDoctor subject lines
232 subject lines averaging 42 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Aug 18, 2026 1:01 AM | Do you know what your AQI is? | 29 | Here’s what those numbers really mean → | Aug 18, 2026 1:01 AM · 29 characters. Here’s what those numbers really mean → | |
| Aug 17, 2026 1:00 AM | Save up to $300 on the unit that's just right for you! | 54 | The right purifier for the right room | Aug 17, 2026 1:00 AM · 54 characters. The right purifier for the right room | |
| Aug 16, 2026 1:00 AM | Save up to $300 on the perfect unit for your space. | 51 | Find the perfect match for your home. | Aug 16, 2026 1:00 AM · 51 characters. Find the perfect match for your home. | |
| Aug 14, 2026 11:00 PM | Save up to $300 on your perfect AirDoctor! | 42 | Find the right AirDoctor for your space. | Aug 14, 2026 11:00 PM · 42 characters. Find the right AirDoctor for your space. | |
| Aug 13, 2026 3:00 AM | Is the air in your home affecting how your kids learn? | 54 | It's invisible, it's indoors, and the research is starting to add up. | Aug 13, 2026 3:00 AM · 54 characters. It's invisible, it's indoors, and the research is starting to add up. | |
| Aug 12, 2026 1:00 AM | Is the air in your home affecting how your kids learn? | 54 | It's invisible, it's indoors, and the research is starting to add up. | Aug 12, 2026 1:00 AM · 54 characters. It's invisible, it's indoors, and the research is starting to add up. | |
| Aug 10, 2026 3:01 AM | LAST DAY TO SAVE: 10% off Filters + Special Purifier Pricing | 60 | Cleaner air from day one. | Aug 10, 2026 3:01 AM · 60 characters. Cleaner air from day one. | |
| Aug 3, 2026 1:00 AM | You don't have to live near a fire to breathe it | 48 | The 4 hazards hiding in smoke, and the purifiers built to catch them. | Aug 3, 2026 1:00 AM · 48 characters. The 4 hazards hiding in smoke, and the purifiers built to catch them. | |
| Aug 2, 2026 1:00 AM | 24 HOURS ONLY: Up to $300 Off Purifiers with FREE SHIPPING + 15% Off Filters | 77 | Offer ends TONIGHT | Aug 2, 2026 1:00 AM · 77 characters. Offer ends TONIGHT | |
| Aug 1, 2026 9:09 AM | Bring Home America’s Favorite Air Purifier | 44 | is Voted #1 | Aug 1, 2026 9:09 AM · 44 characters. is Voted #1 | |
| Jul 31, 2026 7:01 PM | FINAL HOURS: Save up to $300 on purifiers + get FREE Shipping! | 62 | Your Black Friday in July savings end soon — stock up on genuine AirDoctor filters. | Jul 31, 2026 7:01 PM · 62 characters. Your Black Friday in July savings end soon — stock up on genuine AirDoctor filters. | |
| Jul 31, 2026 10:00 AM | LAST CHANCE: Save up to $300 on purifiers + get FREE Shipping! | 62 | Your Black Friday in July savings end soon — stock up on genuine AirDoctor filters. | Jul 31, 2026 10:00 AM · 62 characters. Your Black Friday in July savings end soon — stock up on genuine AirDoctor filters. | |
| Jul 31, 2026 9:07 AM | is Voted #1 | 11 | Bring Home America’s Favorite Air Purifier | Jul 31, 2026 9:07 AM · 11 characters. Bring Home America’s Favorite Air Purifier | |
| Jul 31, 2026 1:00 AM | FREE Shipping on Air Purifiers Starts Now! | 42 | Plus save 15% on filters | Jul 31, 2026 1:00 AM · 42 characters. Plus save 15% on filters | |
| Jul 30, 2026 1:00 AM | When was the last time you changed your filter? | 47 | Breathe easier with BLACK FRIDAY IN JULY! | Jul 30, 2026 1:00 AM · 47 characters. Breathe easier with BLACK FRIDAY IN JULY! | |
| Jul 29, 2026 1:00 AM | Save 15% on filters for cleaner, healthier air | 46 | Our best prices of the summer. | Jul 29, 2026 1:00 AM · 46 characters. Our best prices of the summer. | |
| Jul 26, 2026 8:15 PM | BLACK FRIDAY IN JULY: 15% off filters 🖤 | 40 | Get our BEST PRICES of the season! | Jul 26, 2026 8:15 PM · 40 characters. Get our BEST PRICES of the season! | |
| Jul 25, 2026 7:00 PM | Don't Wait for Black Friday — 15% Off Filters Starts Now · Resent | 58 | Get our BEST PRICES of the summer! | Jul 25, 2026 7:00 PM · 58 characters. Get our BEST PRICES of the summer! | |
| Jul 25, 2026 9:39 AM | Bring Home America’s Favorite Air Purifier | 44 | is Voted #1 | Jul 25, 2026 9:39 AM · 44 characters. is Voted #1 | |
| Jul 25, 2026 7:00 AM | Don't Wait for Black Friday — 15% Off Filters Starts Now | 58 | Get our BEST PRICES of the summer! | Jul 25, 2026 7:00 AM · 58 characters. Get our BEST PRICES of the summer! | |
| Jul 24, 2026 9:38 AM | is Voted #1 | 11 | Bring Home America’s Favorite Air Purifier | Jul 24, 2026 9:38 AM · 11 characters. Bring Home America’s Favorite Air Purifier | |
| Jul 24, 2026 3:00 AM | Black Friday is Coming... in July 👀 | 36 | Get VIP early access before anyone else. | Jul 24, 2026 3:00 AM · 36 characters. Get VIP early access before anyone else. | |
| Jul 23, 2026 3:29 PM | Bring Home America’s Favorite Air Purifier | 44 | is Voted #1 | Jul 23, 2026 3:29 PM · 44 characters. is Voted #1 | |
| Jul 23, 2026 1:00 AM | Your filter has a story to tell. | 32 | Share a quick video and you could get a FREE filter pack! | Jul 23, 2026 1:00 AM · 32 characters. Share a quick video and you could get a FREE filter pack! | |
| Jul 22, 2026 3:28 PM | is Voted #1 | 11 | Bring Home America’s Favorite Air Purifier | Jul 22, 2026 3:28 PM · 11 characters. Bring Home America’s Favorite Air Purifier | |
| Jul 22, 2026 12:52 PM | You're Invited: Free Wildfire Webinar Tomorrow | 46 | You’re Invited: Free Wildfire Preparedness Webinar Join us to learn how wildfire smoke… | Jul 22, 2026 12:52 PM · 46 characters. You’re Invited: Free Wildfire Preparedness Webinar Join us to learn how wildfire smoke… | |
| Jul 21, 2026 3:00 AM | Stay Prepared for Wildfire Season! 🔥 | 37 | Learn how to protect your home's indoor air from smoky threats. | Jul 21, 2026 3:00 AM · 37 characters. Learn how to protect your home's indoor air from smoky threats. | |
| Jul 20, 2026 7:01 AM | Your Last Chance for 15% Off HVAC Filters | 41 | This summer deal is almost gone—shop now before it ends. | Jul 20, 2026 7:01 AM · 41 characters. This summer deal is almost gone—shop now before it ends. | |
| Jul 19, 2026 11:00 PM | Save 15% and help your system perform at its best. | 50 | It's Time to Replace Your HVAC Filter | Jul 19, 2026 11:00 PM · 50 characters. It's Time to Replace Your HVAC Filter | |
| Jul 18, 2026 3:00 AM | It's Time to Replace Your HVAC Filter | 37 | Save 15% and help your system perform at its best. | Jul 18, 2026 3:00 AM · 37 characters. Save 15% and help your system perform at its best. | |
| Jul 17, 2026 7:01 AM | Save 15% on HVAC Filters | 24 | Cleaner air starts with a fresh filter—save for a limited time. | Jul 17, 2026 7:01 AM · 24 characters. Cleaner air starts with a fresh filter—save for a limited time. | |
| Jul 16, 2026 7:58 PM | Bring Home America’s Favorite Air Purifier | 44 | is Voted #1 | Jul 16, 2026 7:58 PM · 44 characters. is Voted #1 | |
| Jul 15, 2026 7:57 PM | is Voted #1 | 11 | Bring Home America’s Favorite Air Purifier | Jul 15, 2026 7:57 PM · 11 characters. Bring Home America’s Favorite Air Purifier | |
| Jul 15, 2026 5:43 AM | Bring Home America’s Favorite Air Purifier | 44 | is Voted #1 | Jul 15, 2026 5:43 AM · 44 characters. is Voted #1 | |
| Jul 15, 2026 3:00 AM | WEBINAR: Wildfire Preparedness + Workplace Wellness | 51 | Clean Air. Pure Water. Healthier Living. 96 Join us for two live webinars on the things… | Jul 15, 2026 3:00 AM · 51 characters. Clean Air. Pure Water. Healthier Living. 96 Join us for two live webinars on the things… | |
| Jul 14, 2026 11:00 PM | Big rooms, meet your match | 26 | Powerful purification, now at a new lower price! | Jul 14, 2026 11:00 PM · 26 characters. Powerful purification, now at a new lower price! | |
| Jul 14, 2026 5:42 AM | is Voted #1 | 11 | Bring Home America’s Favorite Air Purifier | Jul 14, 2026 5:42 AM · 11 characters. Bring Home America’s Favorite Air Purifier | |
| Jul 13, 2026 1:00 AM | Wildfire Smoke Can Travel 1,000 Miles | 37 | Is Your Home Protected? | Jul 13, 2026 1:00 AM · 37 characters. Is Your Home Protected? | |
| Jul 11, 2026 1:00 AM | Your windows are shut but your air isn't safe. | 46 | What's actually in wildfire smoke (it's not just ash) | Jul 11, 2026 1:00 AM · 46 characters. What's actually in wildfire smoke (it's not just ash) | |
| Jul 9, 2026 11:00 PM | WEBINAR: Clean Air. Pure Water. Healthier Living. | 49 | Clean Air. Pure Water. Healthier Living. 96 Join us for two live webinars on the things… | Jul 9, 2026 11:00 PM · 49 characters. Clean Air. Pure Water. Healthier Living. 96 Join us for two live webinars on the things… | |
| Jul 7, 2026 7:01 PM | FINAL HOURS: Save up to $709 on our Smart Bundle + 10% off filters before midnight. | 84 | 4th of July Sale Ends TONIGHT | Jul 7, 2026 7:01 PM · 84 characters. 4th of July Sale Ends TONIGHT | |
| Jul 7, 2026 7:00 AM | FINAL HOURS: 4th of July Sale Ends TONIGHT | 42 | Save up to $709 on our Smart Bundle + 10% off filters before midnight. | Jul 7, 2026 7:00 AM · 42 characters. Save up to $709 on our Smart Bundle + 10% off filters before midnight. | |
| Jul 6, 2026 3:00 AM | Don't miss our 4th of July BOGO—limited time only!🎆 | 51 | Your Free AD3500 Smart Awaits | Jul 6, 2026 3:00 AM · 51 characters. Your Free AD3500 Smart Awaits | |
| Jul 5, 2026 11:00 PM | Your Free AD3500 Smart Awaits 🎆 | 32 | Don't miss our 4th of July BOGO—limited time only! | Jul 5, 2026 11:00 PM · 32 characters. Don't miss our 4th of July BOGO—limited time only! | |
| Jul 4, 2026 3:00 AM | Up to $709 off purifiers + 10% off filters during our July 4th Sale | 67 | Cleaner air, healthier home, bigger savings | Jul 4, 2026 3:00 AM · 67 characters. Cleaner air, healthier home, bigger savings | |
| Jul 3, 2026 11:00 PM | Cleaner air, healthier home, bigger savings | 43 | Up to $709 off purifiers + 10% off filters during our July 4th Sale | Jul 3, 2026 11:00 PM · 43 characters. Up to $709 off purifiers + 10% off filters during our July 4th Sale | |
| Jul 1, 2026 11:00 PM | Get a FREE AirDoctor this 4th of July 🎆 | 40 | Limited-time BOGO: Buy an AD5500, get an AD3500 FREE. Save up to $709. | Jul 1, 2026 11:00 PM · 40 characters. Limited-time BOGO: Buy an AD5500, get an AD3500 FREE. Save up to $709. | |
| Jun 29, 2026 3:00 AM | Save up to $709 this Fourth of July 🎆 | 38 | Get a FREE air purifier with our BOGO Deal + 10% off filters | Jun 29, 2026 3:00 AM · 38 characters. Get a FREE air purifier with our BOGO Deal + 10% off filters | |
| Jun 28, 2026 9:02 AM | Get a FREE purifier during our July 4th Sale | 44 | Plus for a limited time, enjoy FREE shipping on individual air purifiers—don't miss out! | Jun 28, 2026 9:02 AM · 44 characters. Plus for a limited time, enjoy FREE shipping on individual air purifiers—don't miss out! | |
| Jun 27, 2026 3:01 AM | Early Access Starts NOW: Buy One, Get One FREE 🎆 | 49 | Get a FREE AD3500 with your AD5500 purchase, plus free shipping on individual units for 48… | Jun 27, 2026 3:01 AM · 49 characters. Get a FREE AD3500 with your AD5500 purchase, plus free shipping on individual units for 48… |
Based on 232 emails received from May 23 to Nov 8, 2026. Times in US Eastern. How we collect