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Replace or Repair?

Buying a new heating system is a major investment. It's often worth your while to maintain and repair your old system until it's necessary to replace it. However, if your furnace is more than 12 years old, upgrading to a high-efficiency furnace will save you energy and may save you money. That's because older furnaces tend to run at about 60 per cent AFUE*, whereas new high-efficiency furnaces run in the 90 per cent - 97 per cent AFUE range.

Regular inspections and maintenance help to keep your heating system operating safely at its original efficiency level. A licensed & registered gas contractor should inspect and service your heating system at the intervals recommended in your owner's manual. Can't find your owner manaual(s)??? - To ensure your heating and venting system is operating safely and efficiently, have a qualified contractor inspect the furnace, venting system and chimney annually. Regular maintenance means peak performance.

Signs that your heating system needs attention:

  • Gas flames that are pale yellow or wavy.

  • Gas appliances that are not vented to the outdoors.

  • Rust, corrosion or excessive dust on gas appliances.

  • Excessively dirty, clogged or missing furnace air filters.

  • Gas appliance valves that are missing or not properly installed.

  • Blocked, broken, rusted, disconnected, corroded or unsealed appliance vent piping.

  • Soot near burners or appliance venting.

  • Venting not approved by the appliance manufacturer or not venting to the proper place outdoors.

  • Evidence of discoloration at the appliance burner, burner access door or vent area.

  • Gas appliances installed in a garage less than 18 inches above the garage floor.

  • Gas appliances that are missing a fire door.

To learn more about installing a new system, visit A New System in 3 Easy Steps

*AFUE stands for Annual Fuel Utilization Efficiency. It's a measure of how well an appliance converts fuel into heat. If your furnace has an AFUE rating of 90 percent, which means that 90 cents out of every dollar you spend on fuel ends up as useful heat.