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C & C Marketing
(800) 333-0977
Mondale & Associates
(952) 888-1770
Intermountain Sales & Marketing, Inc.
(801) 936-0228
Shupe – Carboni & Assoc.
(800) 272-9548
Shupe – Carboni & Assoc.
(800) 272-9548
Shupe – Carboni & Assoc.
(800) 272-9548
Shupe – Carboni & Assoc.
(800) 272-9548
Pilgrim Sales – Lennie DeAngelo
(617) 548-2813
Pilgrim Sales – Lennie DeAngelo
(617) 548-2813
Pilgrim Sales – Lennie DeAngelo
(617) 548-2813
Pilgrim Sales – Lennie DeAngelo
(617) 548-2813
Pilgrim Sales – Lennie DeAngelo
(617) 548-2813
Pilgrim Sales – Lennie DeAngelo
(617) 548-2813
PED Associates
(352) 383-1117
Mondale & Associates
(414) 481-0505
Mondale & Associates
(630) 824-4700
Mondale & Associates
(630) 824-4700
Mid-Atlantic Sales
(800) 866-9252
Mid-Atlantic Sales
(800) 866-9252
HS/By-Van Assoc.
(248) 852-7610
Halfpenny Sales
(816) 776-2967
Halfpenny Sales
(816) 776-2967
Halfpenny Sales
(816) 776-2967
Halfpenny Sales
(816) 776-2967
GSC NORTHWEST
(303) 649-1577
GSC NORTHWEST
(303) 649-1577
GSC NORTHWEST
(303) 649-1577
GSC NORTHWEST
(303) 649-1577
GSC NORTHWEST
(303) 649-1577
GSC NORTHWEST
(303) 649-1577
General Filters, Inc.
(248) 476-5100
General Filters, Inc.
(248) 476-5100
General Filters, Inc.
(248) 476-5100
General Filters, Inc.
(248) 476-5100
Edmunds & Assoc.
(434) 384-0686
Edmunds & Assoc.
(434) 384-0686
Edmunds & Assoc.
434-384-0686
Edmunds & Assoc.
(434) 384-0686
Edmunds & Assoc.
(434) 384-0686
Edmunds & Assoc.
(434) 384-0686
D-Tech Sales
(888) 999-8445
D-Tech Sales
(510) 304-9967
D-Tech Sales
(510) 304-9967
D-Tech Sales
(888) 999-8445
Comfort Zone Sales
(516) 945-7439
Comfort Zone Sales
(516) 945-7439
Build Products NW
(503) 583-2535
Build Products NW
(503) 583-2535
Build Products NW
(503) 583-2535
Build Products NW
(503) 583-2535
Apex Sales Group
(817) 291-1470
Apex Sales Group
(817) 291-1470
Apex Sales Group
(817) 291-1470
Apex Sales Group
(817) 291-1470
A to Z Sales, Inc.
(630) 824-4700
A to Z Sales, Inc.
(630) 824-4700

Cleaner Air Starts With Better Understanding

Explore helpful articles about indoor air quality highlighting aspects to help inform and educate on a variety of IAQ-related topics such as allergies and asthma, to asset protection and energy savings.

View All
Blog Articles & Editorials
General Filters Announces Appoints New Director of Sales and Marketing

General Filters is delighted to welcome Eric Miller as the

Videos & Training
Video: GeneralAire Cartridge Air Filters Features and Benefits
Blog Articles & Editorials
Why We’re Still Breathing Dirty Indoor Air – New York Times

The pandemic and recent wildfires have shown how unhealthy indoor

Full History

1937
general-filters-timeline-1937

Founded in Detroit

General is founded by Art and Grace Redner in Detroit, Michigan, marking the beginning of a family legacy.
1939
general-filters-timeline-1939

Supporting the War Effort

General begins manufacturing filters for bomber ground support equipment during World War II.
1943

Expanding Operations

General moves to a new Detroit location at Schoolcraft and Grand River.
1946
general-filters-timeline-1946

New Detroit Home

General relocates to 12890 Westwood Avenue in Detroit, strengthening operations in Michigan.
1948

Growth into Canada

Canadian General Filters Ltd. is founded, extending reach to North America.
1953

Relocation to Novi, Michigan

General Filters moved to its current location in Novi, Michigan, marking a major milestone in its evolution as a manufacturing company.
1958
general-filters-timeline-1958

Model 250 Humidifier Introduced

The Model 250 set a new standard for whole-home comfort, helping families maintain healthy humidity and improve indoor air quality.
1962
general-filters-timeline-1962

New Oil Filters Introduced

1969
general-filters-timeline-1969

Model 1040 Humidifier Debuts

General Filters introduced the Model 1040 humidifier, a breakthrough product that helped define whole-house humidification.
1983
general-filters-timeline-1983

AC 1 Air Cleaner Introduced

General Filters introduced the Model 1040 humidifier, a breakthrough product that helped define whole-house humidification.
1997
general-filters-timeline-1997

Steam Humidifiers Introduced

The GeneralAire Model 5500 provides clean, sterile moisture with a furnace-independent design, disposable cylinder, digital diagnostics, and included humidistat.
2006
general-filters-timeline-2006

Gar-Ber® Acquisition

Gar-Ber Spin-On residential fuel oil filters were acquired by General Filters and continue to be manufactured to the same trusted specifications.
2006
general-filters-timeline-2006-elite

Elite Humidifiers Introduced

2009
general-filters-timeline-2009

Advanced TERSus Technology Introduced

2014
general-filters-timeline-2014

Dehumidification Expansion

The acquisition of Air & Energy Products expanded the company’s whole-house dehumidifier offerings.
2018
general-filters-timeline-2018

Advanced Air Solutions

Wi-Fi-enabled dehumidifiers were introduced under the GeneralAire® brand, and Second Wind™ Air Purifiers were acquired to expand UV air purification solutions.
2018
general-filters-timeline-2018-touch-screen

Touch Screen & Wi-Fi Control

GeneralAire DH75 and DH100 whole-house dehumidifiers (75-100 pints/day) feature LCD touch screens and Wi-Fi capability via the GeneralAire App for remote monitoring.
2019
general-filters-timeline-2019

Touch Screen & Wi-Fi Control

GeneralAire DH75 and DH100 whole-house dehumidifiers (75-100 pints/day) feature LCD touch screens and Wi-Fi capability via the GeneralAire App for remote monitoring.
2020
general-filters-timeline-2020

Model 5500 Steam Humidifier Introduced

2020
general-filters-timeline-2020-brand-refresh

Brand Logo Refresh

New GeneralAire®, General Filters, and Canadian General Filters Brand Logos Introduced
2020
general-filters-timeline-2020-vapor-pad

Model 3200 Evaporative Humidifier Introduced

2020
general-filters-timeline-2020-model-4200

Model 4200 Evaporative Humidifier Introduced

2020
general-filters-timeline-2021

Industry Standard Vapor Pad Lineup Introduced

2021
general-filters-timeline-2021-bio-gasket

BioGaskets Included in All Gar-Ber Oil Products

2021
general-filters-timeline-2021-merv

Introduced MERV 13 Filters

2023
general-filters-timeline-2023

Model 4400A Fan-Assist Evaporative Humidifier Introduced