{"id":42765,"date":"2026-01-30T11:38:36","date_gmt":"2026-01-30T11:38:36","guid":{"rendered":"https:\/\/alquiconfort.com\/?p=42765"},"modified":"2026-01-30T11:38:39","modified_gmt":"2026-01-30T11:38:39","slug":"que-caldera-necesito-guia-practica-para-elegir-tu-caldera-pro-g-mixplus-con-alquiconfort","status":"publish","type":"post","link":"https:\/\/alquiconfort.com\/en\/que-caldera-necesito-guia-practica-para-elegir-tu-caldera-pro-g-mixplus-con-alquiconfort\/","title":{"rendered":"Which boiler do I need? A practical guide to choosing your PRO-G MIXPLUS boiler with AlquiConfort"},"content":{"rendered":"

If your boiler stops working, makes unusual noises, fails to maintain the water temperature, or your consumption increases, it\u2019s usually not \u201cbad luck\u201d: it\u2019s a clear sign that your system is no longer efficient or reliable. At AlquiConfort, we use PRO-G Holanda MIXPLUS condensing boilers<\/a> because they deliver what a home needs today: consistent comfort, strong performance, and cost control with no surprises.<\/p>\n\n\n\n

Below is a straightforward guide (without unnecessary technical jargon) to determine which boiler you need and which PRO-G MIXPLUS model<\/strong> is the best fit for you.<\/p>\n\n\n\n

<\/p>\n\n\n\n

1. First things first: why a condensing boiler?<\/strong><\/h2>\n\n\n\n

In existing homes, a condensing boiler<\/a><\/strong> is generally the most efficient and convenient option<\/strong>, as it reduces energy consumption<\/strong> compared to older technologies and recovers heat from the combustion gases<\/strong>. In addition, the PRO-G MIXPLUS range features premix condensing technology, designed to deliver high seasonal efficiency<\/strong> (Class A) and comply with ErP requirements.<\/p>\n\n\n\n

Outcome for you: greater comfort with lower energy consumption<\/strong>, plus a future-ready technological base that supports modulating controls and outdoor sensors, depending on the installation.<\/p>\n\n\n\n

<\/p>\n\n\n\n

2. The 5 questions that truly define which boiler you need<\/strong><\/h2>\n\n\n\n
    \n
  1. How many m\u00b2 is the home, and how well insulated is it?<\/strong>
    <\/strong> Insulation is key: a well-insulated home typically needs less heating power.
    <\/li>\n\n\n\n
  2. How many people live in the home?<\/strong>
    <\/strong> The more hot water (DHW) is used (showers, kitchen), the higher the comfort demand.
    <\/li>\n\n\n\n
  3. How many bathrooms, and how many water outlets are used at the same time?<\/strong>
    <\/strong> If there are simultaneous showers, choosing the right model becomes critical.
    <\/li>\n\n\n\n
  4. Priority: heating, hot water, or a balance of both?<\/strong>
    <\/strong> In Spain, the main \u201cpain point\u201d is often DHW: when someone opens a tap and the shower temperature drops.
    <\/li>\n<\/ol>\n\n\n\n

    Natural gas or LPG, and what is the flue system like?<\/strong>
    <\/strong> This affects configuration and feasibility. The MIXPLUS allows the gas type to be selected via settings, but it must always be validated by an installer.<\/p>\n\n\n\n

    <\/p>\n\n\n\n

    3. Which PRO-G MIXPLUS model you need (quick guide)<\/strong><\/h2>\n\n\n\n

    AlquiConfort offers 4 PRO-G Holanda MIXPLUS versions<\/strong>, all condensing models designed for different home profiles.<\/p>\n\n\n\n

    Think of it this way: the more bathrooms you have and the more people using hot water at the same time, the more \u201cpowerful\u201d the boiler needs to be<\/strong> so the shower doesn\u2019t lose temperature.<\/p>\n\n\n\n

    ✅ MIXPLUS 24<\/strong><\/h3>\n\n\n\n

    Best for:<\/strong> apartments and small homes, 1 bathroom<\/strong>, standard usage.
    Typical example:<\/strong> 1\u20132 people, one shower at a time.<\/p>\n\n\n\n

    ✅ MIXPLUS 28<\/strong><\/h3>\n\n\n\n

    Best for:<\/strong> medium-sized homes, 1 bathroom (or 2 if they\u2019re not used at the same time)<\/strong>, families.
    Typical example:<\/strong> 3\u20134 people, with a noticeable boost in hot water comfort.<\/p>\n\n\n\n

    ✅ MIXPLUS 35<\/strong><\/h3>\n\n\n\n

    Best for:<\/strong> medium to large homes with 2 bathrooms<\/strong> and higher demand.
    Typical example:<\/strong> a shower and the kitchen tap running at the same time, or several showers back-to-back.<\/p>\n\n\n\n

    ✅ MIXPLUS 40<\/strong><\/h3>\n\n\n\n

    Best for:<\/strong> large homes, multiple bathrooms<\/strong>, or high simultaneous usage<\/strong>.
    Typical example:<\/strong> two people showering at the same time without the temperature dropping.<\/p>\n\n\n\n

    <\/p>\n\n\n\n

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    CALCULATE WHICH BOILER YOU NEED HERE<\/a><\/div>\n<\/div>\n\n\n\n

    <\/p>\n\n\n\n

    4. Renting vs buying: the smart choice for your situation<\/strong><\/h2>\n\n\n\n

    This is where AlquiConfort changes the game compared to the traditional purchase model.<\/p>\n\n\n\n

    If you want zero friction and zero surprises: \u201call-in\u201d rental<\/strong><\/h3>\n\n\n\n

    The rental model is designed so you pay a fixed monthly fee<\/strong> and don\u2019t have to worry about anything else:<\/p>\n\n\n\n