Customer reviews from Filterbuy
Filterbuy - 21x27x5 MERV 11 Pet & Allergy Defense, Pleated HVAC AC Furnace Air Filters Replacement for Trane & More (2-Pack) - Gold
Average customer rating
4.4
(1,367 Reviews)
Rating breakdown 1,367 reviews
5 Stars
988
4 Stars
148
3 Stars
81
2 Stars
47
1 Star
103
Customer Reviews for Filterbuy - 21x27x5 MERV 11 Pet & Allergy Defense, Pleated HVAC AC Furnace Air Filters Replacement for Trane & More (2-Pack) - Gold
Customer Rating
5
Very high quality. Installed a
on May 1, 2026
Posted by: Customer
Very high quality. Installed a new filter and family stopped sneezing. So far so good.
Written by a customer while visiting Filterbuy
Customer Rating
5
Great drop-in replacement for 5" Trane OEM filter
on March 11, 2026
Posted by: Bernard W.
These filters are well made. They are perfect fits for drop-in replacement for 5" Trane filters. Note that there is a big drop in price for buying more than one filter at a time.
Written by a customer while visiting Filterbuy
Customer Rating
5
Filterbuy always been responsive to
on December 28, 2025
Posted by: Roger C.
Filterbuy always been responsive to my filter needs. Best source for my furnace filter needs.
Written by a customer while visiting Filterbuy
Customer Rating
5
Everything seems to be working
on October 2, 2025
Posted by: Alton B.
Everything seems to be working out fine, just hope it lasts longer than the last brand I was using,
Written by a customer while visiting Filterbuy
Customer Rating
3
Have yet to use the
on September 28, 2025
Posted by: Anonymous
Have yet to use the filter. It will be a few months before they are used.
Written by a customer while visiting Filterbuy
Customer Rating
4
I think I have noticed
on September 26, 2025
Posted by: Anonymous
I think I have noticed less dust since I have started using the FilterBuy filters. So far I have been impressed!!
Written by a customer while visiting Filterbuy
Customer Rating
2
Thought filter would be closer
on September 22, 2025
Posted by: Barry S.
Thought filter would be closer to 5 inches in thickness. The Honeywell brand i was using has the exact same dimensions as filterfast but call there's 4 inches. See photo
Written by a customer while visiting Filterbuy
Customer Rating
5
Very good efficient, reliable company
on September 17, 2025
Posted by: Anonymous
Very good efficient, reliable company with great products. Very responsive and I buy all my filters here.
Written by a customer while visiting Filterbuy