Should I repair or replace my water heater?

The decision between repairing or replacing your water heater depends on its age, the cost of repairs, and efficiency considerations. Generally, if your water heater is over 10-12 years old and needs expensive repairs, replacement is usually the better investment.

Age is the primary factor in this decision. Tank water heaters typically last 8-12 years in Ottawa's hard water conditions, while tankless units can last 15-20 years. If your unit is approaching or past its expected lifespan, even minor repairs may be followed by other failures within months. The "50% rule" is helpful here - if repair costs exceed 50% of replacement cost and your unit is over 8 years old, replacement usually makes more sense.

Consider the type and cost of repairs needed. Simple fixes like replacing a thermostat ($150-250) or heating element ($200-350) are worthwhile on newer units. However, major issues like tank leaks, corroded pipes, or multiple component failures often signal it's time to replace. In Ottawa's market, basic repairs typically range from $200-500, while tank water heater replacement runs $1,500-2,500 installed.

Energy efficiency improvements make replacement attractive for older units. New water heaters are significantly more efficient than models from 10+ years ago, potentially saving $200-400 annually on energy costs. Tankless units offer even greater efficiency but require higher upfront investment ($3,500-5,500). Ottawa's cold winters put extra demand on water heaters, making efficiency gains more valuable here.

Safety considerations shouldn't be overlooked. Older gas water heaters may have venting issues or carbon monoxide risks, while aging electric units can develop electrical hazards. Any signs of rust, corrosion, or water pooling around the unit warrant immediate professional assessment.

For a free evaluation of your water heater's condition and replacement options, Ottawa Pro Plumbing can help you make the most cost-effective decision for your specific situation.

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