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Heat or Miss? Signs Your Pool or Spa Heater Needs a Fix

Heat or Miss? Signs Your Pool or Spa Heater Needs a Fix

Anne Booc |

When your pool or spa heater is functioning optimally, it blends into the background — until it doesn’t. To maintain inviting water throughout the seasons, identifying and addressing issues early is crucial. Here’s how to recognise the signs that your heater is underperforming and how to fix these issues, featuring top-quality heaters from ShopEndless.

Red Flags That Indicate Your Heater Needs Attention

Slow Warm-Up or No Heat
If your water remains chilly even after the heater operates for hours, this is a significant red flag. Your heater's performance should be steady and dependable.

Odd Noises or Frequent Cycling
Are you hearing unusual sounds, such as grinding or hissing? Additionally, if your heater is turning on and off unpredictably, these are warning signs of mechanical or electrical problems.

Soaring Energy Bills
An ineffective heater works harder to achieve the desired temperature, resulting in inflated energy costs.

Visible Leaks or Rust
Signs of corrosion, cracks, or puddles around the unit demand immediate inspection. Ignoring leaks can lead to expensive repairs down the line.

Inconsistent Temperatures
If your spa heats up while the pool doesn’t (or vice versa), this may indicate a circulation or thermostat issue.

If you recognise any of these symptoms, it may be time for a repair or even an upgrade.

Featured Heaters from ShopEndless

Hayward Universal Low Nox 150 MJ Heater
This gas heater delivers a hefty 150,000 BTU/hr, meaning your pool or spa heats up fast. Its Low Nx emissions make it environmentally friendly, and its rugged build ensures long-term reliability. Shop Here

Madimack® Eco Plus 200 20 kW Heat Pump
Featuring inverter technology and a built-in cool function, this heat pump offers efficient climate control year-round. Its Wi-Fi smart control and quiet operation make it a breeze to use. Shop Here

Sensaheat ES Series 16 kW Heat Pump
Designed for Australia’s diverse climates, this model brings silent operation, reverse cycle heating/cooling, and Wi-Fi control. All wrapped in eco-conscious R32 refrigerant technology. Shop Here

Force i19 EvoHeat Heat Pump
With a COP (Coefficient of Performance. It's a measure of how efficiently a heat pump converts electrical energy into heat energy) of up to 16.28, this top-tier heat pump delivers outstanding energy savings. It boasts full DC inverter tech, Wi-Fi connectivity, timed scheduling, and front air discharge. Perfect for seamless, year-round comfort. Shop Here

Maintenance Tips for Optimal Heater Performance

  • Clean intake filters regularly and ensure that airflow isn’t obstructed by debris.
  • Monitor water chemistry; imbalances can corrode critical components.
  • Inspect for leaks or rust seasonally, especially before winter.
  • Schedule routine servicing, especially if your heater is over five years old.

Cold Spots and High Bills? Consider an Upgrade Today!

If your heater has been underperforming, or if you’re looking to enhance your outdoor space, now is an excellent time to explore energy-efficient models. Whether you prefer rapid gas heating or smart, eco-friendly heat pumps with remote control capabilities, ShopEndless offers a reliable range to suit your preferences.

Heat up your swim season — without losing control!