Envirotemp Water Heater Warranty Guide
Manufactured by A.O. Smith Corporation · Warranty info last verified: March 2026
Envirotemp water heaters are manufactured by A.O. Smith Corporation. Warranty coverage on this page reflects one product line, the Standard Residential Tank. On that line, the Standard Residential Tank carries 6-year tank or heat exchanger coverage, parts reach 6 years, and labor runs up to 1 year. The warranty stays with the original owner and does not transfer to later owners, and claims run through 800-456-9805.
Quick Warranty Facts
Tank / H.E. Coverage
6 years
Parts Coverage
6 years max
Labor Coverage
1 year
Transferable
No
Extended Warranty
N/A
Registration Required
Recommended
Warranty by Product Line
Coverage periods vary by model series. Check your model against the table below.
| Product Line | Tank / H.E. | Parts | Labor |
|---|---|---|---|
Standard Residential Tank Envirotemp's primary residential line. Value-focused with standard coverage. | 6 yr | 6 yr | 1 yr |
How to Register Your Envirotemp Water Heater
There is no strict registration deadline listed for Envirotemp, yet filing it is smart insurance for the Standard Residential Tank shown here. Registration puts your purchase date and installer on record so a later claim through 800-456-9805 moves faster.
You will need:
- Serial number (from the rating label)
- Model number
- Installation date
- Installer's name and contact info
- Your name and address
Keep a copy with your Envirotemp paperwork in case you later call 800-456-9805.
What's Covered
- Defects in materials and workmanship under normal residential use
- Standard Residential Tank: 6-year tank coverage, 6-year parts, and 1-year labor
What's NOT Covered
Envirotemp lists 3 situations that fall outside coverage on its Standard Residential Tank:
- Improper installation
- Sediment and mineral scale buildup
- Labor after year one
How to File a Envirotemp Warranty Claim
- 1
Locate serial and model numbers on the rating label
- 2
Contact American Water Heater at 800-456-9805 (Envirotemp warranty is handled by parent American Water Heater Company)
- 3
Work with a licensed plumber for diagnosis and warranty service
Envirotemp warranty line: 800-456-9805
Warranty Transferability: No
Warranty applies to the original purchaser only.
Bought a home that came with a Envirotemp unit? Because Envirotemp coverage stays with the first owner, the remaining warranty probably did not follow the sale to you, even if the calendar time has not expired. To confirm, decode the serial with our free tool for the manufacture date, then call the Envirotemp line at 800-456-9805 (labor help is limited to 1 year from install).
Additional Notes
Envirotemp water heaters are manufactured by American Water Heater Company, an A.O. Smith subsidiary. The brand focuses on value-oriented residential water heaters distributed through wholesale channels. Warranty support and service are handled through the American Water Heater Company network.
Related brands with similar warranty terms:
Envirotemp Warranty FAQ
How many years does the Envirotemp tank warranty last?
Envirotemp covers the Standard Residential Tank with a 6-year tank or heat exchanger warranty. Parts are covered for up to 6 years and labor for up to 1 year.
Can I transfer a Envirotemp water heater warranty to a new owner?
No. Envirotemp warranties are not transferable. Warranty applies to the original purchaser only.
How do I check whether my Envirotemp water heater is still under warranty?
Decode your serial number with our free tool at WaterHeaterChecker.com to find the manufacture date, then compare it against the coverage for your line (Standard Residential Tank). You can also call Envirotemp at 800-456-9805 with your serial number.
What voids a Envirotemp water heater warranty?
Common warranty voiding issues for Envirotemp include: Improper installation; Sediment and mineral scale buildup; Labor after year one.
Does Envirotemp sell an extended warranty for the Standard Residential Tank?
The Standard Residential Tank carries only the standard Envirotemp factory warranty shown above; no separate extended plan is listed. Ask about dealer coverage when you call 800-456-9805.
What should I do if my Envirotemp water heater fails under warranty?
Locate serial and model numbers on the rating label. Then contact American Water Heater at 800-456-9805 (Envirotemp warranty is handled by parent American Water Heater Company). The Envirotemp warranty line is 800-456-9805.
More for Your Envirotemp Water Heater
Not sure which of Envirotemp's models you have?
The Standard Residential Tank is Envirotemp's tank line covered here. Decode your serial number to confirm its age and estimated 6-year warranty status.
Decode Your Envirotemp Serial NumberThe coverage figure shown above was last verified in March 2026 and is provided as a helpful reference only. Warranty terms are set by Envirotemp and may change at any time. Always refer to the warranty certificate that came with your water heater for the definitive terms of your coverage. WaterHeaterChecker.com is not affiliated with Envirotemp or A.O. Smith Corporation.