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Gustave A. Larson Company stands behind the products we sell, and offers several warranty solutions to our customers. In addition to processing  manufacturer warranty claims, we offer an extended warranty on all compressors as well as a third party extended warranty on residential and commercial equipment through Trinity.

All warranty claims are processed using our online warranty portal.

Replacement part must be invoiced and repair complete before filing a warranty claim.

Click here to see step-by-step warranty claim instructions.
Click here to watch a video walk-through of our online warranty claims process.


  1. Choose from two easy forms: EQUIPMENT or PARTS
  2. Complete the online form with claim details
  3. Get an email confirmation with your claim number
  4. Email any documents requested to
  5. Print your claim and attach it to any parts requested for return*
Submit Claim

Warranty Part Return Guidelines:

**All parts must be returned within 15 days of claim submission.**

Any parts not listed below, customers must hold for 90 days, unless requested otherwise from G.A. Larson's Warranty Department staff.

Warranty parts that must be returned to your local branch:

  • Ademco
  • Fasco
  • Little Giant
  • Snappy
  • Warren Technology
  • AO Smith
  • Fieldpiece
  • Monti
  • Solar & Palu
  • Weiss
  • Cooper-Atkins
  • JB Industries
  • Aprilaire
  • Fluke
  • Nu-Calgon
  • Southwire
  • White Rodgers
  • ATPR
  • Honeywell
  • Rectorseal
  • Sterling
  • Witt
  • Russell
  • Techumseh
  • Bard
  • ICM Controls
  • Renew Aire
  • Stride Tool
  • Bizter
  • Imperial
  • Ritchie
  • Superior Radiant Products
  • Brainerd
  • inficon/DTek
  • Robert Shaw
  • Taco
  • Copeland / Emerson Compressors
  • Johnson Controls
  • Sanuvox
  • Tekmar
  • Ecobee
  • KE2 Therm Solutions
  • Saurmann Pumps
  • Testo
  • Grundfos
  • Klein Tools
  • Sensible Products
  • Thermal Engineering

Click here to learn more about a specific product line's claim processing times or warranty details.

Click the product logos below to see each product line's warranty policy.
ADP-logo-vertical-C-(1).jpg Bard-Logo.jpg BevAirLogo.jpg ClimateMaster-Logo-2009-Large-No-Tag.jpg
Hi-res-logo.jpg NNNN-HTP-Logo.gif Inficon-logo-tool-box-tough.jpg MARS-294.png Mitsubishi-Electric-Logo_Current-2015.png
NC_logo_BluBlk-copy.jpg Sanuvox-Logo-2009.png Turbo-air-logo.jpg WeilMclain.jpg