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    9 trabajos encontrados

    Necesito sustituir mi inversor actual por un inversor híbrido solar y dejarlo funcionando junto a un banco de baterías de entre 5 y 10 kWh. El trabajo incluye, además, mejorar el tablero eléctrico existente. Alcance principal • Retirar el inversor instalado y colocar el nuevo inversor híbrido solar. • Conectar y configurar las baterías (capacidad total dentro del rango indicado) asegurando una gestión eficiente de carga y descarga. • Actualizar los componentes antiguos del tablero: breakers, cableado o rieles que ya no cumplan normativa. • Incorporar un sistema tipo isla para que la instalación pueda funcionar de forma autónoma en caso de corte de red. • Verificar protecciones, puesta a tierra y correc...

    $293 - $878
    Local
    $293 - $878
    0 ofertas

    I am seeking a simple and visually clear site analysis for two buildings. The goal is to compare their environmental performance based on fundamental spatial and climatic factors, without the use of complex simulations. The analysis should be presented through two illustrative images (one for each building) and include the following aspects: Building Orientation: Identify the primary façade direction (North, South, East, or West) and briefly explain its impact on environmental performance. Solar Exposure: Assess how sunlight is distributed across each façade throughout the day (morning and afternoon) and across seasons. Highlight areas of potential overheating as well as zones with beneficial solar gain. Sun Path Consideration: Provide a simple explanation of how the sun&rs...

    $23 Average bid
    $23 Oferta promedio
    9 ofertas

    I need a steady, reliable source of 100 % pure white cotton waste—factory off-cuts that have not been shredded. These scraps will be used solely for recycling, so they must be absolutely cotton-only, free from blends, prints, finishes, or coloured stitching. Please share: • available quantity (in kg / tons) • type of cotton material • location • expected pricing Material can be in various forms, such as: • factory cutting scraps • production waste • surplus fabric pieces • leftover rolls / dead stock • muslin, poplin, cambric, voile, and other pure cotton fabrics Quantity requirement: • Preferred quantity: at least 1 ton • Lower quantities are also acceptable for initial sourcing Pricing: The price will depend on...

    $30 Average bid
    $30 Oferta promedio
    3 ofertas

    , a Central-America–based NGO championing zero-waste practices across the globe. To keep our voice consistent and bilingual, we need a proactive assistant who is perfectly comfortable switching between English and Spanish while juggling two core areas: • Social Media & Content - Draft, translate, and schedule engaging posts for Facebook, Instagram, and LinkedIn. - Tailor direct outreach messages that resonate with NGOs, government agencies, corporate sustainability teams, and thought-leaders. • Inbox & Community Care - Monitor our main email account, reply to routine questions, and escalate anything strategic - Maintain a warm, supportive tone that reflects our zero-waste mission. Posts go out on the agreed schedule, outreach messages are sent w...

    $4 / hr Average bid
    $4 / hr Oferta promedio
    35 ofertas

    I'm looking for a high-quality air purifier designed specifically to remove allergens. It will be used in a large room at home. Ideal skills and experience: - Knowledge of air purification technology - Experience with allergen removal efficiency - Ability to assess and recommend suitable models for large areas - Understanding of noise levels and energy consumption

    $84 Average bid
    $84 Oferta promedio
    4 ofertas

    I need an academically rigorous, plagiarism-free research paper that will strengthen my college applications. The subject field is business, economics, sustainability —once we start, we can agree on a topic that showcases critical thinking at a high-school-senior level. Key parameters • Follow Harvard referencing throughout, ending with a correctly formatted Bibliography (no footnotes; standard author-date citations inside the text). • Include a dedicated Methodology section that explains how evidence, data, or literary sources were gathered and analysed. • Tone and depth must be strong enough to impress admissions officers yet still sound authentic for a high-school author. • Final work must clear Turnitin or an equivalent plagiarism-detection tool. Only...

    $57 Average bid
    $57 Oferta promedio
    25 ofertas

    I need a Florida-licensed environmental professional—someone who already holds an active DEP number—to review and sign off on the environmental portion of a residential building-permit application we are submitting in Tallahassee. The scope is straightforward: confirm the application meets current Florida Department of Environmental Protection requirements, flag any gaps, and provide the signed DEP reviewer’s statement (digital seal or hard copy, whichever county accepts). No site-specific concerns such as wetlands, endangered species, or soil contamination have been identified, so the task centers on documentation accuracy rather than field work. Please be ready to: • Examine the complete permit packet (PDF, approx. 40 pages) • Annotate or comment whe...

    $107 Average bid
    $107 Oferta promedio
    12 ofertas

    I have sketched out an initiative centered on the Environment and now need help turning it into a clear, actionable programme. My overarching goal is simple yet ambitious: “Remove all bullshut.” The source of pollution I want to tackle? The “Bad people” who generate and enable it. Here is what I’m expecting from you: • Analyse my raw concept and translate it into a structured action plan that identifies concrete objectives, key stakeholders and measurable outcomes. • Outline practical strategies—legislative, educational, community-driven or technological—that neutralise the negative impact caused by these “Bad people.” • Provide a realistic timeline, resource list and risk assessment, showing how each phase contribu...

    $390 Average bid
    $390 Oferta promedio
    32 ofertas

    I need proactive lead generators who can introduce me to companies that want environmental declarations or impact studies. My first target is industrial clients in France, especially in the lighting / luminaires sector, but I am equally interested in any international firm that needs Life Cycle Assessment, carbon footprint analysis, or eco-design support. Here is what matters: • Focus your outreach on businesses likely to require PEP Ecopassport documentation, often because of RE2020 or similar tender and compliance pressures. • When you find a prospect, warm-introduce me or arrange a call so I can close the deal; you receive 5 % of every signed contract. A typical 10-day engagement brings about €2 200 in revenue, so you earn roughly €110 for that one client. &bull...

    $408 Average bid
    $408 Oferta promedio
    17 ofertas

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