Feb 3, 2015 · If you have any questions about where your filter goes, or how to install a new one, your local Lennox Dealer can help. If you have already replaced your filter, and your system makes …

In this video, we'll walk you through the simple process of replacing a furnace filter. Following these steps you'll learn how to remove and reinstall a filter properly, ensuring the system...

Aug 7, 2025 · With this guide to Lennox furnace filter location and maintenance, homeowners can confidently access, replace, and manage their HVAC filters—improving indoor air quality and …

MERV 10 furnace air filters are comparable to HVAC filters with the rating of MPR 900-1000. This high-performance HVAC replacement filter will help keep your air conditioning and heating systems …

Lennox 16x25x5 X6670 MERV 11 Box Replacement Filter for Lennox and Honeywell. Need help?

Sep 17, 2025 · Knowing where the filter sits and how to replace it safely keeps a home comfortable and helps avoid costly repairs. Lennox furnaces follow common HVAC design patterns: upflow, …

Nov 8, 2024 · Learn how to effectively change your Lennox furnace filter to boost home comfort and energy efficiency. This guide highlights the importance of regular filter checks, offers a step-by-step …

We offer filters and home comfort essentials from trusted names like Lennox, Honeywell, Filtrete, and Aprilaire. Each order is packed with care and delivered fast.

If you don't know which filter will fit your model, simply find out what the model number is, enter it in our search tool, and you'll then have all of the relevant Lennox furnace parts for your exact model.

Get details on filter maintenance and sign up for filter change reminders. Lennox (NYSE: LII) is a leader in energy-efficient climate-control solutions. Whether you need an air filter or another part to any …