Record the purchase and installation dates
Many warranties depend on time from purchase or installation.
Keep model and serial information
Photos of equipment labels can supplement typed records.
Track required maintenance
Some warranties require documented maintenance or approved service.
Review before a deadline
A reminder before expiry gives time to investigate unresolved problems.
Safety boundary. This site is for planning, observation and records. Do not improvise electrical, fuel-burning, structural, roof-height or other hazardous work. Follow manufacturer instructions, applicable codes and qualified professional guidance.