{"id":7586,"date":"2026-10-03T01:29:03","date_gmt":"2026-10-03T01:29:03","guid":{"rendered":"https:\/\/hachillspa.com\/"},"modified":"2026-10-03T02:26:10","modified_gmt":"2026-10-03T02:26:10","slug":"wood-fired-hot-tub-buying-guide-structure-heat-source-and-site-fit","status":"publish","type":"post","link":"https:\/\/hachillspa.com\/nl\/blog\/wood-fired-hot-tub-buying-guide-structure-heat-source-and-site-fit\/","title":{"rendered":"Koopgids voor houtgestookte hot tubs: structuur, warmtebron en geschiktheid voor de locatie"},"content":{"rendered":"<style>\n.hachill-article{\n  --hc-primary:var(--e-global-color-primary,#35534a);\n  --hc-accent:var(--e-global-color-accent,#8a6a49);\n  --hc-text:#20262d;\n  --hc-muted:#5f6b75;\n  --hc-line:#dfe6e8;\n  --hc-soft:#f2f8f6;\n  --hc-soft-warm:#f8f5f0;\n  --hc-warning:#805f3d;\n  --hc-radius:16px;\n  --hc-container:1180px;\n  max-width:var(--hc-container);\n  margin:0 auto;\n  padding:0 24px;\n  box-sizing:border-box;\n  color:var(--hc-text);\n  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.hachill-article{width:100%!important;max-width:100%!important;}\n  .hachill-table-wrap{max-width:100%!important;overflow-x:auto!important;}\n}\n<\/style>\n<article class=\"hachill-article\">\n<div class=\"hachill-intro\">\n<p>Choosing a <a href=\"https:\/\/hachillspa.com\/products\/wood-fired-hot-tubs\/\">wood-fired hot tub<\/a> is not simply a choice between round and rectangular tubs, or between one stove style and another. A workable configuration has to bring three things together: <strong>the tub structure, the heating and water-circulation architecture, and the actual site where the system will be installed<\/strong>.<\/p>\n<p>A tub that looks suitable from its dimensions alone may become difficult to use once the heater, flue, service area, delivery route, drainage and supporting structure are considered. Likewise, an attractive stove arrangement is not automatically the right choice if it reduces usable bathing space or creates site interfaces the project cannot accommodate.<\/p>\n<p>For a resort, wellness project, distributor or other professional buyer, the practical objective is therefore to narrow the product family before requesting an exact model quotation. Start with what the installation must do, then verify how the tub and heating system fit that job.<\/p>\n<\/p><\/div>\n<section id=\"wft-bg-01\">\n<h2>Start With the Job the Tub Must Do<\/h2>\n<p>Before comparing individual products, define the operating and installation context.<\/p>\n<p>A private outdoor installation, a staffed hospitality property and a distributor selecting products for multiple customer types may all buy equipment from the same broad product family, but they do not necessarily need the same configuration. Site access, operating responsibility, climate exposure, maintenance access and required documentation can change what is practical.<\/p>\n<p>At this stage, useful questions include:<\/p>\n<ul>\n<li>Where will the tub be installed?<\/li>\n<li>How much physical space is available for the tub, heater and service access?<\/li>\n<li>How will the unit reach its final position?<\/li>\n<li>What type of base or supporting structure is planned?<\/li>\n<li>Where can water be drained or managed during maintenance?<\/li>\n<li>What weather and freeze exposure will the installation face?<\/li>\n<li>Who will operate, inspect and maintain the equipment?<\/li>\n<li>Are project drawings, installation documents or destination-specific compliance records required?<\/li>\n<\/ul>\n<p>These questions do not select a model by themselves. They define the conditions against which a model should be checked.<\/p>\n<p>This distinction matters because the visible tub body is only part of the installed system. The final arrangement may also include a wood-fired heater or firebox, water connections, a flue or chimney system, drainage points, optional filtration or pumps, and access space needed for operation and maintenance.<\/p>\n<p>A useful buying process therefore starts with the <strong>installation and operating task<\/strong>, not with a product photograph.<\/p>\n<\/section>\n<section id=\"wft-bg-02\">\n<h2>Separate Tub Structure From the Heating System<\/h2>\n<p>Tub geometry is important, but it should not carry more meaning than it actually has.<\/p>\n<p>Round and rectangular wood-fired hot tubs can create different layout, access and positioning possibilities. The appropriate shape depends on the available site, intended bathing layout, entry arrangement and the way the complete heating system fits around or within the tub.<\/p>\n<p>Shape alone, however, does not establish usable water volume, filled weight, heating performance or installation suitability. Those conclusions require the data for the exact configuration.<\/p>\n<p>The same discipline applies to materials.<\/p>\n<p>A wood-fired hot tub may use different materials for different functions. The exterior cladding or decorative finish is not necessarily the same material that forms the water-containing vessel. Structural components, liners, joints, insulation, heater components and exterior finishes can each have different exposure conditions and maintenance requirements.<\/p>\n<p>For a buyer, the useful distinction is therefore not simply \u201cwood versus another material.\u201d It is:<\/p>\n<p><strong>Which component performs which job, and is that component suitable for the actual environment in which it will operate?<\/strong><\/p>\n<p>This becomes especially important when evaluating outdoor exposure, moisture, freeze conditions or water chemistry. A material name by itself is not enough to establish universal weather, corrosion or freeze suitability.<\/p>\n<p>The exact product drawing and material information should remain the controlling references for the selected model.<\/p>\n<\/section>\n<section id=\"wft-bg-03\">\n<h2>Treat the Stove, Water Circuit and Flue as One Heating Architecture<\/h2>\n<p>The heater should not be evaluated as an isolated accessory.<\/p>\n<p>A wood-fired hot tub <a href=\"https:\/\/hachillspa.com\/blog\/how-do-wood-burning-hot-tubs-work\/\">transfers heat from combustion into the water<\/a> through a complete system. Depending on the configuration, that system can include an integrated or internal heater arrangement, an external heater, water connections between the heater and tub, a circulation path, and a flue or chimney.<\/p>\n<p>Changing one of these elements can change several others.<\/p>\n<figure class=\"hachill-figure hachill-production-image wp-block-image size-full\">\n<img loading=\"lazy\" src=\"https:\/\/hachillspa.com\/wp-content\/uploads\/2026\/10\/wood-fired-hot-tub-heater-site-layout.webp\" alt=\"Wood-fired hot tub with external stove, circulation pipes and insulated flue\" class=\"wp-image-7611\" width=\"1200\" height=\"900\" loading=\"lazy\" decoding=\"async\" style=\"display:block;width:100%;height:auto;aspect-ratio:4\/3;object-fit:cover;border-radius:12px;\" srcset=\"https:\/\/hachillspa.com\/wp-content\/uploads\/2026\/10\/wood-fired-hot-tub-heater-site-layout.webp 1200w, https:\/\/hachillspa.com\/wp-content\/uploads\/2026\/10\/wood-fired-hot-tub-heater-site-layout-300x225.webp 300w, https:\/\/hachillspa.com\/wp-content\/uploads\/2026\/10\/wood-fired-hot-tub-heater-site-layout-1024x768.webp 1024w, https:\/\/hachillspa.com\/wp-content\/uploads\/2026\/10\/wood-fired-hot-tub-heater-site-layout-768x576.webp 768w, https:\/\/hachillspa.com\/wp-content\/uploads\/2026\/10\/wood-fired-hot-tub-heater-site-layout-16x12.webp 16w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Heater position changes the system layout, water interfaces, usable space and service requirements; the exact arrangement must be checked against the selected model documentation.<\/figcaption><\/figure>\n<h3>Internal and external heater arrangements affect different spaces<\/h3>\n<p>When heating equipment is incorporated into or closely integrated with the tub, part of the overall system occupies space within the tub envelope. That can influence usable bathing layout and service access.<\/p>\n<p>An external heater moves the heating equipment outside the bathing vessel. This can preserve more internal tub space, but it also creates an additional external equipment zone and water connections that must be considered in the site layout.<\/p>\n<p>Neither arrangement is automatically better.<\/p>\n<p>The relevant question is whether the complete configuration fits the intended location while preserving the required bathing space, access, servicing and safe installation interfaces.<\/p>\n<h3>Circulation method is part of the system design<\/h3>\n<p>Some wood-fired heating systems use natural circulation. In this type of arrangement, temperature-related density differences can move water through the heating loop without a circulation pump.<\/p>\n<p>That does not mean every wood-fired hot tub uses natural circulation, nor does it mean any heater and tub can be connected in this way.<\/p>\n<p>The elevation relationship, routing and resistance of the water path are part of the approved system design. Other configurations can use mechanically assisted circulation. The correct arrangement must therefore come from the documentation for the selected heater and tub combination.<\/p>\n<p>This also explains why a buyer should not treat two tubs as equivalent merely because the heater looks similar or the connection openings appear to be the same size.<\/p>\n<p>The complete water path matters.<\/p>\n<h3>Wood-fired does not automatically mean fully off-grid<\/h3>\n<p>The heat source and the complete utility requirement are two different questions.<\/p>\n<p>A naturally circulating wood-fired heating loop can operate without an electrical circulation pump. But the complete product configuration may include other equipment such as filtration, pumps, controls, lighting or accessories that require electrical power.<\/p>\n<p>For that reason, \u201cwood-fired\u201d should not be used as shorthand for \u201crequires no electricity.\u201d<\/p>\n<p>The buyer should instead confirm the electrical requirements of the <strong>complete ordered configuration<\/strong>.<\/p>\n<h3>The flue is also a site interface<\/h3>\n<p>A wood-fired heater produces a combustion exhaust path that must be coordinated with the selected equipment, its instructions and the installation environment.<\/p>\n<p>The flue or chimney is therefore not merely a component to add after the tub has been positioned. Its location can influence where the heater can sit, what surrounds it, how the system can be serviced and whether the planned installation can meet applicable requirements.<\/p>\n<p>Exact chimney configuration, hot-surface separation and combustible clearances are not universal buying-guide numbers. They depend on the selected equipment, its documentation and the requirements that apply at the destination.<\/p>\n<p>This is one reason the stove, water circuit and flue should be reviewed as one architecture rather than three unrelated components.<\/p>\n<h3>What the heating-system label does not tell you<\/h3>\n<p>A description such as \u201cinternal stove,\u201d \u201cexternal stove\u201d or \u201cwood-fired heater\u201d does not by itself tell you:<\/p>\n<ul>\n<li>the usable bathing volume;<\/li>\n<li>the complete installed footprint;<\/li>\n<li>the required circulation arrangement;<\/li>\n<li>whether a pump is used;<\/li>\n<li>the final electrical requirement;<\/li>\n<li>the required service access;<\/li>\n<li>the heating time;<\/li>\n<li>the thermal capacity under the project&#8217;s operating conditions; or<\/li>\n<li>the final flue and installation requirements.<\/li>\n<\/ul>\n<p>Those questions move the buyer from a product-family comparison to exact configuration verification.<\/p>\n<div class=\"hachill-table-wrap\" role=\"region\" aria-label=\"Wood-fired hot tub heating architecture decision table\" tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th>Decision variable<\/th>\n<th>What it can change<\/th>\n<th>What to verify<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tub geometry<\/td>\n<td>Footprint, access and usable layout<\/td>\n<td>Exact model drawing and dimensions<\/td>\n<\/tr>\n<tr>\n<td>Heater position<\/td>\n<td>Bathing space or external equipment area<\/td>\n<td>Approved heater\/tub configuration<\/td>\n<\/tr>\n<tr>\n<td>Circulation architecture<\/td>\n<td>Water routing, connections and possible utility requirements<\/td>\n<td>Current heater\/system instructions<\/td>\n<\/tr>\n<tr>\n<td>Flue arrangement<\/td>\n<td>Placement and surrounding-site constraints<\/td>\n<td>Exact equipment instructions and applicable site requirements<\/td>\n<\/tr>\n<tr>\n<td>Optional equipment<\/td>\n<td>Service space and utilities<\/td>\n<td>Supplied configuration and accessory requirements<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section id=\"wft-bg-04\">\n<h2>Site Fit Can Rule Out an Otherwise Suitable Tub<\/h2>\n<p>A strong product shortlist can still fail at the site.<\/p>\n<p>The correct time to discover that problem is before the quotation is finalized, not after the equipment arrives.<\/p>\n<h3>Delivery and placement come first<\/h3>\n<p>Check how the tub and its separate components will move from the unloading point to the final installation area.<\/p>\n<p>Overall product dimensions are only part of this question. Gates, turns, slopes, landscaping, walls, lifting restrictions, temporary access and the way components are shipped can affect whether a selected configuration can actually be placed.<\/p>\n<p>If site access is difficult, the buyer should verify the delivery form and installation sequence for the exact model rather than assume that a dimension shown on a product page represents the required access envelope.<\/p>\n<h3>The base must be checked against the operating installation<\/h3>\n<p>An empty tub does not represent the complete installed load.<\/p>\n<p>Water, the vessel, heating equipment, occupants and other supplied components contribute to the operating installation. The buyer should therefore obtain the relevant water-volume and filled-load information for the selected configuration and give that information to the party responsible for approving the support structure.<\/p>\n<p>A deck, platform, slab or other foundation should not be approved from a generic wood-fired-hot-tub rule.<\/p>\n<h3>Drainage should be part of the site plan<\/h3>\n<p>Water must be considered during filling, draining, cleaning and maintenance.<\/p>\n<p>Where that water can go depends on the site, local requirements and the product arrangement. Drainage should therefore be considered alongside the tub position, not treated as a maintenance detail that can always be solved later.<\/p>\n<p>The same principle applies to the surrounding walking area: a project team should understand where routine water handling occurs and how it interacts with access, structures and equipment.<\/p>\n<h3>Combustion and service space affect placement<\/h3>\n<p>The preferred location for the bathing vessel is not necessarily the correct location for the complete wood-fired system.<\/p>\n<p>The heater needs an installation position consistent with its instructions. The flue must be coordinated with the surroundings. Fuel handling and routine operation require access. Components that require inspection or maintenance need to remain reachable.<\/p>\n<p>A site plan should therefore show more than the outline of the tub.<\/p>\n<p>It should account for the complete operating envelope.<\/p>\n<h3>Cold climates add another verification layer<\/h3>\n<p>Freeze exposure can affect water-filled equipment and associated piping or accessories. The correct response depends on the selected product, water circuit, operating plan and manufacturer&#8217;s instructions.<\/p>\n<p>A buying guide can establish the question, but it cannot provide a universal freeze-protection procedure for every wood-fired hot tub.<\/p>\n<p>For a cold-climate project, ask how the exact configuration is intended to be operated, drained or protected when freezing conditions are possible, and confirm those requirements before the site and utilities are finalized.<\/p>\n<div class=\"hachill-callout\">\n<p><strong>Installation and safety boundary:<\/strong> This guide is a product-selection framework, not an approved structural, combustion or chimney design. Final support conditions, heater and flue installation, hot-surface or combustible clearances, drainage arrangements and local approvals must be checked against the exact product documentation and requirements applicable to the installation location.<\/p>\n<\/div>\n<\/section>\n<section id=\"wft-bg-05\">\n<h2>Match Structure, Heating Architecture and Site as a Single Decision<\/h2>\n<p>The most useful buying decisions appear when the three groups of variables are considered together.<\/p>\n<p>Suppose a buyer prefers a particular tub shape because it fits the available landscape. That is a useful starting point, but the heater arrangement may change the real footprint. An external heater could require additional space beside the tub. An integrated arrangement might reduce external equipment space while changing usable space within the tub.<\/p>\n<p>Likewise, a tub may physically fit the available area, but the site may not provide a suitable route for delivery or adequate access for the heater and flue. A configuration that works well in a spacious ground-level installation might be unsuitable for a confined deck or courtyard unless the supporting structure and installation interfaces are resolved.<\/p>\n<p>This is why specification should be treated as an interaction problem.<\/p>\n<p>A practical sequence is:<\/p>\n<ol>\n<li><strong>Define the installation task.<\/strong> Establish site, use, access, climate and operating responsibility.<\/li>\n<li><strong>Choose a structural route.<\/strong> Determine which geometry and physical arrangement can fit the space.<\/li>\n<li><strong>Identify the heating architecture.<\/strong> Confirm heater position, circulation method and flue interface.<\/li>\n<li><strong>Check the full installation envelope.<\/strong> Include equipment, connections, working access and service space.<\/li>\n<li><strong>Verify support and water-management inputs.<\/strong> Obtain model-specific operating water volume, filled-load and drainage information where applicable.<\/li>\n<li><strong>Confirm destination requirements.<\/strong> Review the exact product instructions and relevant project or local requirements.<\/li>\n<li><strong>Only then select the exact model and request a comparable quotation.<\/strong><\/li>\n<\/ol>\n<p>The sequence matters because each step can change the choices available in the next one.<\/p>\n<div class=\"hachill-table-wrap\" role=\"region\" aria-label=\"Wood-fired hot tub site-fit decision table\" tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th>If this is the project constraint&#8230;<\/th>\n<th>Investigate this next<\/th>\n<th>Do not assume&#8230;<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Very limited footprint<\/td>\n<td>Tub geometry plus complete heater\/service envelope<\/td>\n<td>Tub dimensions alone equal installed footprint<\/td>\n<\/tr>\n<tr>\n<td>Maximum usable bathing space is important<\/td>\n<td>Heater position and internal layout<\/td>\n<td>External or internal is universally better<\/td>\n<\/tr>\n<tr>\n<td>Electrical service is limited<\/td>\n<td>Complete heating, filtration and accessory configuration<\/td>\n<td>Wood-fired automatically means no electricity<\/td>\n<\/tr>\n<tr>\n<td>Installation is on a deck or elevated structure<\/td>\n<td>Model-specific operating load and structural review<\/td>\n<td>Empty product weight is enough<\/td>\n<\/tr>\n<tr>\n<td>Cold-weather exposure is significant<\/td>\n<td>Water circuit, drainage and freeze-management instructions<\/td>\n<td>Any outdoor tub is automatically freeze-proof<\/td>\n<\/tr>\n<tr>\n<td>Flue routing is constrained<\/td>\n<td>Exact stove\/flue instructions and site requirements<\/td>\n<td>A generic chimney layout applies to every model<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>This comparison is more useful than a generic list of pros and cons because it ties each product characteristic to the condition that makes it important.<\/p>\n<\/section>\n<section id=\"wft-bg-06\">\n<h2>Verify the Configuration Before You Request a Quote<\/h2>\n<p>A useful RFQ should allow the supplier and project team to evaluate the same installation, rather than quote visually similar products under different assumptions.<\/p>\n<p>Before requesting a model-specific quotation, prepare the information that can materially affect configuration.<\/p>\n<h3>Project and site information<\/h3>\n<p>Provide, where relevant:<\/p>\n<ul>\n<li>intended venue or use;<\/li>\n<li>project location and destination market;<\/li>\n<li>available installation footprint;<\/li>\n<li>access and delivery constraints;<\/li>\n<li>surrounding structures or placement limitations;<\/li>\n<li>base or supporting-structure context;<\/li>\n<li>drainage context;<\/li>\n<li>expected weather and freeze exposure.<\/li>\n<\/ul>\n<h3>Product and system preferences<\/h3>\n<p>If already known, identify:<\/p>\n<ul>\n<li>preferred Round or Rectangular format;<\/li>\n<li>important dimensional or bathing-layout constraints;<\/li>\n<li>preferred heater position;<\/li>\n<li>whether a particular circulation arrangement is required;<\/li>\n<li>filtration, pumping or other auxiliary equipment requirements;<\/li>\n<li>documentation or drawing requirements.<\/li>\n<\/ul>\n<p>These should be described as project inputs, not assumptions that the selected model can necessarily satisfy them.<\/p>\n<h3>Documents to verify before order<\/h3>\n<p>The final product selection should be checked against the <a href=\"https:\/\/hachillspa.com\/blog\/wood-fired-hot-tub-safety-documentation-buyers-should-require\/\">documentation for the actual configuration<\/a>. Depending on the project, this can include:<\/p>\n<ul>\n<li>current product drawings;<\/li>\n<li>exact model and configuration identification;<\/li>\n<li>heater or firebox documentation;<\/li>\n<li>water-circuit and connection information;<\/li>\n<li>operating water-volume or filled-load information where required;<\/li>\n<li>flue or chimney documentation;<\/li>\n<li>electrical requirements for supplied accessories;<\/li>\n<li>installation instructions;<\/li>\n<li>applicable product or destination documentation required by the project.<\/li>\n<\/ul>\n<p>A product-family description is useful for narrowing the field. It is not a replacement for this configuration-level verification.<\/p>\n<h3>A practical pre-RFQ check<\/h3>\n<p>Before moving forward, the buyer should be able to answer four questions:<\/p>\n<p><strong>Does the complete system physically fit?<\/strong><br \/>\nInclude the bathing vessel, heater, connections, flue and service area.<\/p>\n<p><strong>Can the site support and service it?<\/strong><br \/>\nConfirm the operating-load basis, drainage, access and maintenance interfaces.<\/p>\n<p><strong>Does the heating architecture match the project?<\/strong><br \/>\nVerify the actual heater position, circulation method and auxiliary utility requirements.<\/p>\n<p><strong>Do we have the information needed to approve the exact configuration?<\/strong><br \/>\nUse current drawings, manuals and applicable project or destination requirements rather than assumptions from a similar model.<\/p>\n<p>If any of these remain unresolved, the correct next step is usually to collect the missing project or model information before treating the product selection as final.<\/p>\n<\/section>\n<section class=\"hachill-faq\" id=\"wood-fired-hot-tub-faq\">\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"hachill-faq-item\">\n<h3>Do all wood-fired hot tubs work without electricity?<\/h3>\n<p>No. Some wood-fired heating loops can circulate water naturally without an electric circulation pump, but that does not determine the electrical requirement of the complete product. Filtration, pumps, lighting, controls or other accessories may require power. Confirm the complete ordered configuration rather than assuming that \u201cwood-fired\u201d means fully off-grid.<\/p>\n<\/div>\n<div class=\"hachill-faq-item\">\n<h3>Is an internal or external wood-fired heater better?<\/h3>\n<p>Neither arrangement is universally better. An integrated or internal heater can reduce the amount of external heating equipment, but it may use space within the tub envelope. An external heater can preserve more bathing space while requiring an additional equipment area, water connections and service access. The better arrangement depends on the actual tub, site and operating requirements.<\/p>\n<\/div>\n<div class=\"hachill-faq-item\">\n<h3>What should be checked for a cold-climate installation?<\/h3>\n<p>Confirm the selected product&#8217;s water circuit, drainage arrangement, freeze-management requirements and operating instructions for the expected climate. Do not assume that an outdoor wood-fired hot tub is automatically suitable for freezing conditions or apply a generic winterization procedure to every configuration.<\/p>\n<\/div>\n<\/section>\n<section class=\"hachill-cta\" id=\"prepare-site-configuration\">\n<h2>Prepare the Site and Configuration Before Comparing Quotes<\/h2>\n<p>For a project buyer, the most useful quotation starts with a clearly defined installation.<\/p>\n<p>Provide the intended use, destination, available footprint, delivery constraints, base and drainage context, climate exposure, preferred tub format and any known heater or accessory requirements. Where project approval depends on specific drawings or documentation, identify those requirements at the same time.<\/p>\n<p>HACHILL can then review the request against the applicable product and configuration information. Final suitability, performance, documentation scope and installation requirements remain subject to the selected model and project conditions.<\/p>\n<p><a class=\"hachill-btn\" href=\"https:\/\/hachillspa.com\/request-quote\/\">Send Your Site and Configuration Requirements<\/a><\/p>\n<\/section>\n<\/article>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Article\",\n      \"headline\": \"Wood-Fired Hot Tub Buying Guide: Structure, Heat Source and Site Fit\",\n      \"description\": \"Compare wood-fired hot tub structure, heater layout, circulation, site access, support, drainage and climate inputs before requesting a model-specific quote.\",\n      \"url\": \"https:\/\/hachillspa.com\/blog\/wood-fired-hot-tub-buying-guide-structure-heat-source-and-site-fit\/\"\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Do all wood-fired hot tubs work without electricity?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"No. Some wood-fired heating loops can circulate water naturally without an electric circulation pump, but that does not determine the electrical requirement of the complete product. 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