Air Quality: warranties compared
30 brands. We read every warranty so you don't have to. Checked through October 2026.
25 of 30 brands cover air quality in full for one year or less. The longest full coverage is 5 years, from Vornado. 10 brands keep some parts covered after full coverage ends.
Every brand, side by side
- 1Vornado65/100Full: 5 yearsNo partial coverage
- 2Honeywell (home comfort)43/100Full: 3 yearsNo partial coverageCheck your model's manual
- 3Dyson32/100Full: 2 yearsNo partial coverage
- 4Levoit32/100Full: 2 yearsNo partial coverage
- 5Philips32/100Full: 2 yearsNo partial coverage
- 6Panasonic25/100Full: NonePartial: to 6 yearsPartial covers: DC motor; All partsCheck your model's manual
- 7Aprilaire23/100Full: NonePartial: to 5 yearsPartial covers: Whole product
- 8AIRCARE21/100Full: 1 yearNo partial coverageVaries by model line
- 9Airthings21/100Full: 1 yearNo partial coverage
- 10Awair21/100Full: 1 yearNo partial coverage
- 11Canopy21/100Full: 1 yearNo partial coverage
- 12Carepod21/100Full: 1 yearNo partial coverage
- 13Coway21/100Full: 1 yearNo partial coverage
- 14hOmeLabs21/100Full: 1 yearNo partial coverage
- 15Insignia21/100Full: 1 yearNo partial coverage
From each maker's published warranty. “Unverified” means we couldn't confirm the terms on the maker's own site. How we rate warranties
What these warranties often leave out
- Normal wear and tear15 of 30 brands
- Accidental breaks and misuse13 of 30 brands
- Water damage5 of 30 brands
- Power problems4 of 30 brands
- Scratches, dents and looks4 of 30 brands
- Batteries2 of 30 brands
How long stores give you to return it
Longest return window first, for air quality.
- CostcoMost itemsNo fixed deadline
- Sam's ClubMost itemsNo fixed deadline
- SupplyHouseMost items365 days
- Lowe'sMost items90 days
- WalmartMost items90 days
- Blain's Farm & FleetUpper Midwest storesMost items90 days
Show all 11 stores
- Ace HardwareMost items30 days
- Do it BestMost items30 days
- WayfairMost items30 days from delivery
- Best BuyMost items15 days from delivery
- The Home DepotAir conditioners, dehumidifiers, pumps, portable evaporative coolers and portable heaters7 days
From each store's published return policy, using its rule for air quality where it has one. Member and holiday extensions aren't counted. Check yours before you buy.
More Home Systems warranties
- Fireplaces & Heaters: warranties compared29 brands
- Faucets & Plumbing Fixtures: warranties compared25 brands
- Heating & Cooling: warranties compared25 brands
- Flooring: warranties compared18 brands
- Ceiling Fans: warranties compared18 brands
- Water Filtration & Softeners: warranties compared17 brands
- Home Batteries & Power: warranties compared16 brands
- Generators: warranties compared14 brands
- Solar: warranties compared14 brands
- Toilets & Bidets: warranties compared13 brands
- Smart Locks: warranties compared12 brands
- Mini-Splits: warranties compared11 brands
Questions shoppers ask
Which brand of air quality has the best warranty?
On paper, Vornado scores highest, with 5 years of full coverage.
Is a long warranty on air quality really that long?
Often not for the whole product. Many longer warranties cover only certain parts after the first year or two, and you usually pay for the labor. The bars above show full and partial coverage separately.
Do I need to register to get the warranty?
2 of 30 brands require registration for some of their coverage, often within a set number of days. Keep your receipt either way.
Forward the receipt and I-BUY.AI tracks the return window and warranty for you.