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How to heat a wood fired hot tub? Efficient tips and tricks

Sep 17, 2019

This kind of hot tub heater is one more chance for you to engage with the elements of nature. The heat of a fire and the sound of crackling logs…

Something that we can spend hours admiring. While some people prefer a push of a button, others happily engage in the sensual and personal ritual, watching their tension and daily worries burning away.

We’re sure you have the experience of taking good care of the fire, but just to make sure you’re using the heater of the wood fired hot tub most efficiently, allow us to share some tips on how to heat a wood-fired hot tub.

Before you strike a match, there’s a bit of planning included. Read this step-by-step guide to learn to heat a hot tub properly.

1. First, have a plan

First of all, you need to plan when you want to start bathing and prepare your outdoor SPA accordingly. Usually, it takes 1-2 hours to heat up the water in summer, and 3-4 hours in the cold season.

Yes, it’s so much quicker (and cheaper!) than using an electric heater, plus you’ll indulge in taking care of the fire.

2. Prepare the firewood in advance

It’s a good idea to prepare the firewood for your wood fired hot tub in advance: make some kindling, chop fine firewood, and then have your larger logs ready.

Make sure you’re using dry firewood to avoid a pile of smoking wood. Combine softwood (e.g., pine, fir) with hardwood (oak, beech, etc.) in equal amounts.

3. Fill the water

While working with an ax, you may put the water hose in the tub and start filling it with water. The water level should reach 4-8 inches (10-20 cm) below the top ridge of the tub.

4. Check water level inside the wood fired hot tub

You mustn’t ignite the heater when the tub is empty, or the water is not reaching the minimum fill level (4-8 inches (10-20 cm) below the top ridge of the tub).

Likewise, you mustn’t empty the tub after you finish bathing when the embers are still live in the heater!

Once the water reaches the required level and you turn it off, put the lid on the hot tub so the water heats up quicker.

You may always open it to check the water temperature. Also, you can always keep the thermometer floating in the water.

5. Start off with tinder and kindling

You may use some ready firelighters, but avoid burning paper as its ashes and chips are likely to get out through the wood fired hot tub chimney and into the water.

Use softwood for building up the fire.

6. Heat up the water burning medium-sized firewood

If you just pile large firewood as soon as you have the fire going, it will take longer to heat up the water in your hot tub.

7. Maintain the heat placing

Once you have the water heated up to the recommended 37-39°C, maintain the heat placing some large firewood in the heater.

Use more hardwood at this stage as it will burn longer.

8. Check the temperature

In case the water gets too hot, open the lid of your wood fired hot tub, and you can even add some cold water to make the temperature comfortable for your body.

We encourage you to follow these simple 8 steps while learning how to heat a wood-fired hot tub if you want to enjoy your SPA more quickly and efficiently.

The Gardenvity product range includes wooden hot tubs with integrated fire-burning heaters to ensure you have your sensual experiences up, and to help you keep your utility bills down.

Gardenvity white wood burning hot tub

Classic Wood Fired Hot Tub All-inclusive Package, No Electricity Needed

Enjoy moments of stillness in a non-jetted hot tub. This model does not require electricity because it has no electrical parts. A classic wood fired hot tub comes fully assembled with all the necessary accessories. With its unique traditional look, it is the perfect addition to a back garden of any house.

Customize Your All Inclusive Hot Tub Package:

For 6-8 people
From £3800

For 8-10 people
From £4500

Air Jets + LED + Water Filter
Wood Burning Hot Tub
All-inclusive Package

Experience the mesmerizing, soothing sensation of hot water in our wooden hot tub with 12 air jets, LED lighting and integrated water filter. The whirlpool brings true relaxation on a physical and emotional level, while the soft LED glow sets a romantic vibe, giving the traditional looking hot tub a touch of uniqueness. A small yet powerful water filter will help you to preserve the water.

Customize Your All Inclusive Hot Tub Package:

For 6-8 people
From £4250

For 8-10 people
From £4950

Gardenvity grey wooden hot tub with jets