It's Time to Replace Your HVAC Filter

Preview text: Save 15% and help your system perform at its best.

AirDoctorSaturday, Jul 18, 2026 at 3:00 AM EasternKlaviyo
AirDoctorIt's Time to Replace Your HVAC Filter
Subject
It's Time to Replace Your HVAC Filter
Preview text
Save 15% and help your system perform at its best.
From
info@airdoctorpro.com
Sent
Sat Jul 18, 2026, 3:00 AM ET
Sent to
airdoctorpro.com, shop.airdoctorpro.com
Size
34 KB
Images
9
Links
11, 1 of them buttons
Subject length
37 characters

Against AirDoctor's usual

Sent in the 3 AM hour, which holds 6% of its emails; 21% arrive in the 9 AM hour. The subject is 37 characters; its average is 42.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From
AirDoctor <[email protected]>
Subject
It's Time to Replace Your HVAC Filter
Date
Sat, 18 Jul 2026 07:00:15 +0000 (UTC)
Message-ID domain
geopod-ismtpd-40
Return-Path domain
send.airdoctorpro.com
DKIM signature
d=airdoctorpro.com s=s1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1397.shared.klaviyomail.com [149.72.167.101] by our receiving server with ESMTPS
  2. by recvd-…-bb7td with SMTP
  3. from (unnamed) by geopod-ismtpd-40 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

Report this email

Sent just before and after

Jul 21, 2026 3:00 AMStay Prepared for Wildfire Season! 🔥
Jul 20, 2026 7:01 AMYour Last Chance for 15% Off HVAC Filters
Jul 19, 2026 11:00 PMSave 15% and help your system perform at its best.
Jul 18, 2026 3:00 AMIt's Time to Replace Your HVAC Filter (this email)
Jul 17, 2026 7:01 AMSave 15% on HVAC Filters
Jul 16, 2026 7:58 PMBring Home America’s Favorite Air Purifier
Jul 15, 2026 7:57 PMis Voted #1

More from AirDoctor

All AirDoctor emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. You'll get a confirmation email first, and you can unsubscribe anytime.