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Buying a hot tub cover? Here’s what you need to know

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A high-quality hot tub cover is an essential investment for any spa owner. Not only does it provide insulation and energy efficiency, but it also ensures safety, and security, and helps maintain optimal water quality.

In this article, we will explore the various factors to consider when purchasing a hot tub cover. From understanding the cover’s purpose to evaluating different types, materials, and key features, we’ll guide you through the process of selecting the perfect cover to maximise your hot tub experience.


  • A quality hot tub cover provides insulation, energy savings, and safety, and maintains water quality.
  • Consider cover types like vinyl, insulated, or custom-fit based on needs and budget.
  • Evaluate insulation properties, materials, and convenient features when choosing a cover.
  • Proper sizing, maintenance, and timely replacement are crucial for optimal performance.

ALSO READ: How a hot tub cover can save you money

Understanding the purpose of a hot tub cover

A hot tub cover serves multiple vital functions. Firstly, it acts as a powerful insulator, minimising heat loss and reducing energy consumption. On top of that, a sturdy hot tub cover enhances safety and security by preventing accidental falls or entry into the hot tub, especially for households with children or pets. 

It also deters debris, leaves, and contaminants from entering the water, reducing the need for frequent cleaning and maintenance. On the other hand, a quality cover helps maintain optimal water quality and temperature by minimising evaporation and chemical imbalances. This consistency ensures a more enjoyable soaking experience and prolongs the lifespan of your hot tub components.

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Types of hot tub covers

When it comes to hot tub covers, you’ll find a range of options to suit different budgets and preferences. Standard vinyl covers are an affordable choice, offering basic insulation and protection. While lightweight and easy to manoeuvre, these covers may not provide the same level of energy efficiency as premium options.

Premium insulated covers, on the other hand, feature superior insulation properties and a tapered design for enhanced durability. These covers often incorporate high-density foam cores, vapour barriers, and durable outer shells, ensuring maximum heat retention and energy savings.

For a truly customised fit, consider investing in a cover specifically tailored to your hot tub model and size. These custom-fit covers provide a precise, snug fit, minimising air gaps and maximising insulation efficiency, ultimately extending the cover’s lifespan.

ALSO READ: How RotoSpa’s EcoSpa heat pump can offer a guilt-free luxury

Key features to consider

When evaluating hot tub covers, it’s crucial to consider the quality of materials used in their construction. High-end covers, like those offered by RotoSpa, feature thermally insulated, lockable hardcovers that are both lightweight and durable. 

These covers are crafted from premium materials, combining optimal-density foam inserts with tough, long-lasting vinyl. This winning combination ensures superior thermal efficiency and longevity, even in harsh outdoor conditions. 

Investing in a well-fitted, thermally insulated spa cover is essential for maintaining your hot tub water’s temperature and reducing energy consumption. A staggering 80-85% of hot tub running costs are directly related to heating the water. By getting a cover for your hot tub, you can potentially save up to 15% on your energy bills. 

Safety and convenience features 

  1. Proper sizing and fit

Accurate sizing is crucial when purchasing a hot tub cover. Measure your spa’s dimensions precisely, accounting for any unique shapes or features like built-in steps or loungers. Even a slight size discrepancy can compromise the cover’s insulation performance and overall effectiveness.

When selecting the cover size and shape, prioritise a snug and secure fit, allowing minimal air gaps or spaces for heat to escape. If you plan to incorporate a lift system or additional accessories, ensure the cover accommodates these features seamlessly.

  1. Care, maintenance, and replacement

Maintaining your hot tub cover is crucial for extending its lifespan. RotoSpa recommends following these tips:

  • Use a cover lifter to minimise stress on the cover and user.
  • Test and adjust chemical levels daily when not in use or before and after use to keep them within the recommended range.
  • Remove the cover for 30 minutes after adding chemicals to allow strong vapours to dissipate.
  • Clean the cover regularly with fresh water and pH-neutral cleaners. Avoid harsh chemicals, detergents, or abrasives.
  • On warm days, remove the cover and unzip it to allow excess moisture to evaporate.
  • Never sit, stand, or place objects on the cover, as this can damage the foam inserts.
  • Apply the Shine and Protect spray to moisturise the vinyl material and extend the cover’s life, like conditioning leather.

Watch for signs of wear and tear, such as cracking, tearing, excessive fading, blue plastic debris (indicating a damaged protective membrane), a heavy or sagging cover, or a cracked foam core. While minor repairs are sometimes possible, a severely worn cover can compromise insulation, safety, and performance, requiring replacement.

You should also consider professional installation and replacement services, especially for custom or complex hot tub setups. Experts can ensure a proper fit and optimal function, and guide care and maintenance best practices.

ALSO READ: HSG282 compliant hot tubs: Key benefits explained

Begin your RotoSpa journey

A high-quality hot tub cover is a wise investment that pays dividends in energy savings, safety, and overall enjoyment of your spa. Remember, consulting professionals and following recommended care can help ensure your cover provides years of reliable service and an unparalleled soaking experience.

Contact us, and let us begin your RotoSpa journey today!

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