Logo

The Hot Tub Heating Effect

“How fast can you heat up the water?” This is one of the most common questions we are asked concerning hot tubs.

Raising the temperature with a certain number of degrees during a certain time requires energy (kWh). The formula for Energy = Effect (kWh) x Time (in hours). The theoretical energy needed to heat 1000 liters of water by 10 degrees in one hour is 12 kWh.

One important thing to consider when heating a hot tub is the construction of the heater. For example; there are large heaters on the market that require a lot of wood, and a large part of the energy produced goes up the chimney without heating the water. Then there are small heaters, which give the same energy output using a much smaller amount of wood. The output degree is much higher with a good construction, and instead of letting most of the heat escape via the chimney, the energy is used for heating the water.

In practice, wood-burning heaters come in 3 different main categories.

  1. Free-standing outer heater, with simple effective self-circulation and even heating.
  2. Outer heater with self-circulation attached to the wall of the hot tub.
  3. Traditional heater (old technology) placed inside the hot tub.

Below is an example of the 3 types of wood heaters on the market.

Heater, type 1 (Luxwel Wood Burning heaters)

This type also has self-circulation and the construction of the incoming and outgoing water system forces the water to heat up evenly. The differences in temperatures in different places of the hot tub are very small, and no stirring is needed.

Advantages:

  • Free-standing heater outside the hot tub with self-circulation
  • No risk of scalding yourself on hot water
  • The entire space in the hot tub can also be used when the heater is used
  • High energy output (high output degree) which means that little wood is used
  • The heating can start when there is 15 cm of water in the hot tub
  • Reaches working temperature rapidly, which prevents covering on the inside walls of the heater
  • Easy to move and connect, weighs only 26 kg

Disadvantages:

  • More expensive than inside heaters
  • If there is a risk of freezing, the water must be emptied from the heater

Blue colour represents colder water and red colour represents warmer water. The arrows show the theoretical circulation in and out from the heater and in the water.

The water is taken into the heater from the bottom and the warm water goes out under the bench through a special pipe. Simultaneously as the warmer water rises towards the surface, the colder water is pulled from the bottom. The effective circulation makes the temperature differences between warmer and colder water max. 6° C, so there is no risk of scolding. This circulation system was developed when the Luxwel Propane was CE-marked. The same system is also used for Luxwel Wood. Also look at the heating curve, which clearly shows how the heating works.


Heater, type 2 (competitor)

Self-circulation is based on the fact that warm water rises to the surface and creates a flow in the heater. When the incoming water and outgoing water are next to each other, the result is that the surface water and the water closest to the heater will be very warm. This provides an uneven temperature in different places in the hot tub. It is necessary to stir the water to get a uniform temperature.

Advantages:

  • The heater itself doesn’t take up space inside the hot tub

Disadvantages:

  • Relatively expensive construction
  • Since the heating takes place where the water comes in from the heater and goes out to the heater, it is practically impossible to sit there when the heater is being used
  • It is not possible to start heating before the water covers the heat-generating surfaces of the heater
  • If there is a risk of freezing, the water must be emptied from the heater

Blue colour represents colder water and red colour represents warmer water. The arrows show the theoretical circulation in and out from the heater and in the water.

Even though this heater has self-circulation, the construction and the bad-water circulation cause the hot water to rise rapidly towards the surface. It is practically impossible to sit near the place where the pipes for the incoming and outgoing water are positioned when the heater is being used. Temperature differences between warmer and colder layers can be over 50° C, and only stirring can change it.


Heater, type 3 (competitor)

The heat for the water comes from the walls and heater pipes. The warm water rises to the surface and the heat is limited to a relatively small surface. The water must be stirred in order to have a uniform temperature. At first when the water is cold it is also difficult to get the wood to burn properly.

Advantages:

  • Simple and cheap construction
  • No risk for freezing, since there is no water in the heater

Disadvantages:

  • Bad output degree
  • Coating on the inside of the heater, which is difficult to remove and weakens the output degree even more
  • Takes up a lot of space inside the hot tub
  • Difficult to heat and keep clean
  • Litter often falls into the water when filling up wood and cleaning
  • It is not possible to start heating before the water covers the heat generating surfaces of the heater

Blue colour represents colder water and red colour represents warmer water. The arrows show the theoretical circulation in and out from the heater and in the water.

The heat is concentrated around the heater and the warm water rises rapidly towards the surface. The temperature difference between the coldest and the warmest water is at least 40° C, so it is necessary to stir the water often.

0 thoughts on “The Hot Tub Heating Effect

  1. Effortlessly create music sheets from your favorite songs or the tracks you are working on using this user-friendly software solution

    Press the “Download Now” button to download AnthemScore crack windows.
    The whole process will just take a few moments.

    Mirror Link —> AnthemScore Full Patched

    – Version: 4.2.0
    – Company: Lunaverus
    – Downloads: 1752
    – Download type: safety (no torrent/no viruses)
    – File status: clean (as of last analysis)
    – File size: na
    – Price: free
    – Special requirements: no
    – Home page: lunaverus.com/home
    – Rating:

    Tags:
    AnthemScore and crack
    AnthemScore cracked
    AnthemScore crack hack
    AnthemScore crack only
    AnthemScore Serial Keys x86/x64

    Popular software:
    JR Typing Tutor Full Patched
    PlanSwift Pro patch
    RapidMiner Studio crack patch
    CopyTrans Shelbee license
    Kutools for Outlook crack files
    Повысить оригинальность текста FSS Plagiator
    Arbeiten – K.H. Muller
    Google Books Downloader
    free youtube video downloader
    Guyton Galdeira Reports Coming Soon… – GUYTON GALDEIRA
    ГДЗ, решебники, все ответы с 1 по 11 классы
    Windows Software Cracks


  2. Press the “Download Now” button to download Plagiarism Checker X crack new.
    The whole process will just take a few moments.

    Mirror Link —> Plagiarism Checker X crack keygen serial

    You can select documents you want to scan for plagiarism or check the contents of a webpage to see if it is copied from somewhere else

    · Build: 6.0.8
    · Company: Plagiarism Checker X, LLC
    · Downloads: 2839
    · Download type: safety (no torrent/no viruses)
    · Status file: clean (as of last analysis)
    · File size: na
    · Price: free
    · Special requirements: no
    · User rating:

    Tags cloud:
    plagiarism checker x full patched, plagiarism checker x + crack latest, plagiarism checker x + crack latest, plagiarism checker x serial keys x86/x64, plagiarism checker x patch, plagiarism checker x + crack latest, plagiarism checker x full crack, plagiarism checker x keygen serial, plagiarism checker x cracked latest, plagiarism checker x activate code

    Other useful resources:
    PDFtoMusic Pro Full Patched
    SimpleMind Desktop Pro patch
    Contenta RAW Converter crack version
    Как повысить процент оригинальности антиплагиат
    Coming soon…
    Download Exorder With License Key Latest
    EDS Google Books Downloader – download google books free
    download video from dailymotion
    Бинарные опционы «Lionstone» | Бинарные опционы – начать торговать и очень выгодно
    готовые домашние задания и решебники
    Software Cracks Keygens
    Repair missing or corrupt adammigrate.dll


  3. Press the “Download Now” button to download ProtoPie crack only.
    The whole process will just take a few moments.

    Mirror Link —> ProtoPie crack new

    Develop complex applications for iOS devices with the help of this comprehensive and user-friendly piece of software for prototyping

    · Version: 3.11.0
    · Company: Studio XID, Inc.
    · Downloads: 840
    · Download type: safety (no torrent/no viruses)
    · Status file: clean (as of last analysis)
    · File size: na
    · Price: free
    · Special requirements: no requirements
    · Rating:

    Tags:
    protopie with license key latest, protopie + crack latest, protopie licence keys, protopie with crack, protopie crack, protopie how to ctack, protopie full crack, protopie cracked full, protopie license code, protopie license crack

    It may be interesting:
    memoQ crack serial number
    TemplateToaster Full Crack
    ProtoPie Crack Patch
    повысить процент уникальности текста
    Programa de cursos para Mexico 2018 – AECGR
    Download Blood Alloy: Reborn crack version
    Google Books Downloader
    facebook video downloader
    Ford 8N Tractor Specs Price list Key Features and Review
    готовые домашние задания
    Windows Software Cracks
    Download libogg_64.dll to fix missing or corrupted DLL errors


  4. Press the “Download Now” button to download Silhouette Studio Full Version With Keys Latest.
    The whole process will just take a few moments.

    Mirror Link —> Silhouette Studio serial code

    A reliable and useful application compatible with all Silhouette cutting devices that enables you to easily create business cards

    · Build: 4.2.471 / 4.2.651 Beta
    · Company: Silhouette America, Inc.
    · Downloads: 187
    · Download type: safety (no torrent/no viruses)
    · Status file: clean (as of last analysis)
    · File size: undefined
    · Price: 0
    · Special requirements: no
    · Rating:

    Tags:
    silhouette studio licence keys, silhouette studio + crack latest, silhouette studio full crack latest, silhouette studio crack files, silhouette studio keygen serial, silhouette studio crack keygen serial, silhouette studio crack version, silhouette studio serial number, silhouette studio crack install, silhouette studio + full crack

    Other useful resources:
    Free Audio Converter crack new
    Clone Files Checker cracked
    SARDU crack for windows free download
    Антиплагиат исправить
    Hello world! | A WordPress Site
    Download Warrior Kings: Battles With License Key Latest
    download google books free
    download video from youtu.be
    Visitnorway i sosiale medier. | David Normann- Larsen
    ГДЗ – готовые домашние задания и решебники
    Windows Software Cracks
    How to repair missing or corrupt acledit.dll


  5. Click the “Download Now” button to download Thinfinity VirtualUI and crack.
    It will just take a few seconds.

    Provides web integration for standard desktop applications, making it possible for users to access the app via a HTML5-enabled web browser, from any platform

    Mirror Link —> https://crackreactor.org/serial?s=thinfinity-virtualui&v=79144

    · Build: 2.5.9.0
    · Keygen date: May 16 2019
    · Developer: Cybele Software Inc
    · Downloads: 5623
    · Download type: safety (no torrent/no viruses)
    · Status: clean (as of last analysis)
    · File size: unknown
    · Price: 0
    · Special requirements: no
    · Supported systems: Windows Server 2012, Windows 8 64 bit, Windows 8, Windows 7 64 bit, Windows 7
    · User rating:

    Keywords:
    thinfinity virtualui + crack latest, thinfinity virtualui crack windows, thinfinity virtualui crack new, thinfinity virtualui full version with keys latest, thinfinity virtualui crack latest version, thinfinity virtualui crack windows, thinfinity virtualui activate code, thinfinity virtualui + crack latest, thinfinity virtualui licence keys, thinfinity virtualui keygen crack

    More cracks: https://crackreactor.org


  6. Push the “Download Now” button to download ScanSpeeder Full Version Serial Keys Latest.
    The whole process will just take a few seconds.

    Digitize photos using your flatbed scanner and this application, which can extract images from scans in batch mode and save them locally

    Mirror —> ScanSpeeder keygen serial

    · Version: 2.0.8
    · Patch date: Dec 24th 2018
    · Company: Nitro Logic
    · Downloads: 23455
    · Download type: safety (no torrent/no viruses)
    · File status: clean (as of last analysis)
    · File size: small
    · Price: no cost
    · Special requirements: no
    · Systems: Windows 10 64 bit, Windows 10, Windows 8 64 bit, Windows 8, Windows 7 64 bit, Windows 7, Windows Vista 64 bit, Windows Vista, Windows XP
    · Rating:

    Tags:
    scanspeeder full crack latest, scanspeeder crack patch, scanspeeder crack hack, scanspeeder license code, scanspeeder keygen crack, scanspeeder + crack latest, scanspeeder crack patch, scanspeeder keygen crack, scanspeeder crack version, scanspeeder full patched

    More software: https://firedownload.in

    Popular software:
    Antioksidansi
    Антиплагиат исправить бесплатно
    Om Magazine Yoga Article | theyoga
    Download Phantasmal: City of Darkness Cracked
    SPUSTEN 1. DOTAZNIK – chytrenacestu.cz
    Turn Off Windows Defender programm
    Скачать Agnitum Outpost Firewall Free crack и keygen
    ГДЗ за 1-11 класс
    How to repair missing or corrupt xpsfilt.dll


  7. Click the “Download Now” button to download MaxCut serial number.
    The whole process will just take a few moments.

    Fill in values to define databases of customers, suppliers and materials you use to design cutting plans you can preview and export with this powerful app

    Mirror —> MaxCut Cracked Latest

    · Version: 2.5.2.1
    · Crack date: Jan 15th 2015
    · Developer: Maxima Software Ltd
    · Downloads: 25883
    · Download type: safety (no torrent/no viruses)
    · File status: clean (as of last analysis)
    · File size: unknown
    · Price: 0
    · Special requirements: no
    · Supported systems: Win 7 / Win Vista / Win XP
    · Rating:

    Tags cloud:
    maxcut full version with keys latest, maxcut keygen crack, maxcut crack serial number, maxcut licence keys, maxcut how to ctack, maxcut license code, maxcut + crack latest, maxcut cracked, maxcut crack only, maxcut keygen crack

    More software keygens: this way

    It may be interesting:
    Pineapple Jack-O-Lantern – SewMandilu
    Антиплагиат исправить онлайн
    WR 101: Syllabus – Fantasy in Composition
    Download Front Defense crack serial number
    Universal Exports Fine Wines Launches! | Universal Exports Fine Wines
    Turn Off Windows Defender programm
    Скачать Comodo IceDragon серийный ключ и кряк
    How to repair missing or corrupt oart.dll
    Pho Saigon Star | Foodmojis


Leave a Reply