Heather H.
Posted
Immediate response
Immediate response, great pricing, packaged well, and delivered fast.

Excellent
147 reviews
Filter King is committed to providing not only quality HVAC air filters, but also a customer experience built on responsiveness, accountability, and continuous improvement. We serve homeowners and businesses across the United States with standard and custom-sized air filters designed to support cleaner air and reliable HVAC performance.We understand that ordering the right filter should be simple, and when customers need help, they deserve timely and respectful support. That is why we work to assist with product questions, order concerns, replacements, and issue resolution as clearly and efficiently as possible. Our team values honest communication and takes customer feedback seriously.At Filter King, we believe every review is an opportunity to learn and improve. Positive feedback helps us understand what we are doing well, and critical feedback helps us identify where we need to do better. We are committed to using that input to strengthen our service, improve communication, and deliver a better overall experience.Our goal is to build long-term trust by combining dependable products with support that makes customers feel heard and taken care of. We appreciate every customer who chooses Filter King and every person who takes the time to share their experience.
Filter King (filterking.com) has 147 customer reviews on Consumer Courier, with an average rating of 4.8 out of 5.
147 approved reviews, newest moderated first
Heather H.
Posted
Immediate response, great pricing, packaged well, and delivered fast.
HILMAR S.
Posted
I made a mistake in sizing filters , called text filter King had a response in 10 minutes and replacements two days later . Fantastic customer service and people .
Joseph
Posted
I have been a regular customer over the past few years. Everything has gone well until I had to contact support. In order to contact support you need to email them. There's no phone number. They do give you a form on the website to start a return but don't expect a response (I didn't get one) After a week of nothing, I sent an email directly to their support email. After determining I wanted to return the filters (wrong kind for my application) they stopped responding to my emails. Bear in mind, I had already ordered replacements from Filter King! It's been a terrible experience and now I know why. While made in America, they don't have the wherewithal to communicate with their customers. Wish you the best Filter King this is my last order! Edit: they finally did get back to me to resolve. I'll bump it up one star.
Response from Filter King· Mar 12, 2026
We’re very sorry to hear about your experience and truly appreciate you being a loyal customer over the years. We understand how frustrating it must have been to wait for a response, especially after already placing a replacement order with us. That is not the level of service we aim to provide, and we sincerely apologize. If you still need assistance, our team can be reached at 305-928-8910 or by email at [email protected], and we would be glad to help make this right. Thank you for your honest feedback. We are taking it seriously and will use it to improve our communication and support experience.