How often should I maintain my standby generator in New Brunswick?

Your standby generator needs maintenance every 6-12 months and after every extended use — New Brunswick's harsh winters and long storm seasons make this critical for reliability when you need it most.

Weekly automatic exercise: Most standby generators run a 15-20 minute exercise cycle weekly (usually programmed by your installer). This keeps the engine lubricated, charges the battery, and confirms the system works. Listen for it running — if you haven't heard it in weeks, something may be wrong. Check your generator's display for error codes or missed exercise cycles.

Seasonal maintenance schedule for NB:

Fall (September-October) — CRITICAL pre-storm season service:

• Oil and filter change (use cold-weather rated oil — 5W-30 synthetic for sub-zero NB temperatures)


• Air filter inspection and replacement


• Spark plug check and replacement if needed


• Battery load test — cold temperatures kill weak batteries


• Coolant level and antifreeze concentration check (must handle -40°C)


• Exercise the transfer switch manually


• Clear debris, leaves, and nesting materials from the enclosure


• Test under load — run the generator with actual household loads for 30+ minutes


• Verify fuel supply (propane tank level, natural gas connection)

Spring (April-May):

• Oil and filter change (especially after heavy winter use)


• Inspect exhaust system for corrosion from road salt and moisture


• Check for rodent damage to wiring — mice love nesting in generator enclosures during NB winters


• Clean or replace air filter


• Test battery and charging system


• Verify automatic transfer switch operation

After every extended power outage use (4+ hours):

• Check oil level immediately — generators consume oil under load


• Inspect coolant level


• Listen for unusual sounds


• Check for oil or coolant leaks

Professional service vs DIY:

• Basic maintenance (oil, filters, visual inspection): Can be done by a handy homeowner following the manufacturer's manual


• Electrical testing, transfer switch inspection, fuel system service: Requires a qualified technician


• Annual professional service: $200-$400 in New Brunswick

Common NB-specific issues:

• Snow and ice buildup blocking exhaust or air intake — keep the area around your generator clear after storms


• Propane regulators freezing in extreme cold — install a cold-weather regulator rated for NB temperatures


• Salt corrosion in coastal areas like Saint John, Shediac, and the Fundy coast — consider a protective coating or more frequent exterior inspection

Manufacturer warranty note: Most generator warranties require documented maintenance. Keep receipts and a maintenance log — Generac, Kohler, and Briggs & Stratton all require proof of regular service for warranty claims.

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