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A well-functioning pool heater keeps your water warm and your swimming experience comfortable, but like any equipment, it can develop issues over time. Knowing when to call Big Easy Pool Builders for repairs can save you time, money, and keep your pool enjoyable year-round. Common signs of trouble include inconsistent water temperature readings, odd sounds, or higher utility bills. Catching these problems early helps prevent further damage and extends the heater’s lifespan.
Know these red flags with help from our pool experts, and you’ll keep your pool a reliable oasis. If your heater’s giving you trouble, don’t wait until it gets worse; reach out to our team today. Let’s get your pool warm, efficient, and ready for every swim!

When a pool heater goes wrong, it can interrupt a peaceful swim and result in costly repairs if you fail to recognize the warning signs. Knowing what signs to watch for will help you pinpoint problems and keep your heater running smoothly.
If the water is not getting warm enough or stays cold while the heater is on, you may have a malfunctioning heating element or thermostat. Cold areas in the pool may indicate that the skimmer has a collection of debris blocking the heat distribution. If the debris is not the problem, you could have a bad heat exchanger.
Strange sounds coming from your heater are often one of the first indications of mechanical problems. Grinding noise, or screeching noise, could be due to worn motor bearings or foreign objects in the fan. Clicking on the startup can mean ignition issues. Loud pops can indicate bad burners or gas build-up.
Check the heater for any physical signs of wear. Rust or corrosion on the outside usually comes from extended moisture contact or insufficient ventilation. Cracks or leaks in the heat exchanger or pipes can reduce performance and waste energy.
Burning odors around the heater may be a sign that it is overheating or experiencing an electrical fault, whereas chemical odors can point to gas leaks — a hazardous situation warranting immediate professional inspection.
A pool heater that’s shutting off on you or won’t turn on is an obvious issue. Error codes on the control panel, like “Service Heater,” offer helpful hints to the problem.

Here’s what to consider when it comes to repairing or replacing your pool heater. Each option has its benefits.
Looking at the finances of repair versus replacement is usually the starting point. The cost of repairs usually ranges from $160 to $760, averaging around $460. In comparison, the cost to replace a heater for a pool would cost you upwards of $1,500 to $4,000 for the heater, and an additional $300 to $1,000 for the installation labor. If it’s more than 50 percent, they suggest you should upgrade to a new unit.
Many modern heaters are constructed with technology that significantly increases efficiency. For instance, energy-efficient gas heaters warm water more quickly with less fuel. Solar heaters, which last for 20–25 years, eliminate most energy costs. These enhancements are both bill-savers and green, particularly if you’re shifting from vintage energy-hogs.
A new electric pool heater may reduce energy consumption by 15–30%. Over a decade, this can amount to hundreds, if not thousands, in savings — particularly in regions that have high electricity rates.
Pool heaters have a lifespan that depends on the type; typically, gas and electric models last about 5-10 years, while solar heaters last 20+ years. If your pool heater is outside of that 8-12 year lifespan and/or has been having problems, purchasing a new pool heater is an obvious solution, and you will also gain peace of mind. New heaters may be under warranty, providing extra protection against potential costs.
A well-functioning pool heater allows you to enjoy swimming as a year-round enjoyment; however, problems can be sneaky. The earlier you recognize an issue, the more time and money you can save, not to mention the peace of mind.
If you’re unsure, our team at Big Easy Pool Builders can help you understand your pool heater and get back to enjoying your pool to its fullest extent! Please don’t put off something small until it costs you more money! Call us today, and we will get your pool swim ready!