Website · llms.txt · catalog.json · AGENTS.md

🛠️ Home Renovation Free Tools & Calculators

A curated collection of free home renovation calculators, room planners, design tools, and document generators for DIY homeowners and contractors. Estimate paint, tiles, flooring, roofing, and more — available in English and Polish.

🇬🇧 airenovationcalculator.com · 🇵🇱 kalkulatorremontu.pl

_{⭐ Under a tool's name: user rating and number of reviews on SourceForge or the App Store, or GitHub stars for open-source tools. Fetched 2026-11-09.}

🔢 Free Renovation Calculators

Free online calculators to estimate materials and costs for home renovation projects — paint, tiles, flooring, concrete, drywall, roofing, and more:

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📄 Free Document Generators for Renovation

🎨 Free Room Design & Visualization Tools

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🏢 Renovation Company Catalog & Contractor Directories

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📱 Best Free Mobile Apps for Home Renovation

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🌐 Home Improvement Communities & DIY Resources

👥 Top Reddit & DIY Communities for Homeowners

• r/renovationToolsApps – Renovation tools, apps, and calculators (EN)
• r/wystrojWnetrz – Interior design and home decor (PL)
• Kalkulator Remontu on YouTube – Renovation planning tips and smart, budget-friendly apartment makeovers (PL)
• Kalkulator Remontu – Facebook group – Renovation community (PL)
• Kalkulator Remontu on Pinterest – Renovation and interior ideas (EN / PL)
• kalkulatorremontu.pl on Instagram – Renovation ideas and tool updates (PL)
• r/HomeImprovement – Home renovation questions, before-and-afters, and tips
• r/DIY – Creative and practical home projects
• r/Homeowners – Advice and stories from homeowners
• r/HomeMaintenance – Regular home upkeep, repairs, and tricks
• r/InteriorDesign – 1M+ members sharing interior design inspiration and advice
• r/woodworking – Woodworkers and DIYers sharing wood projects
• r/landscaping – Garden, lawn, and landscaping advice
• r/Renovations – Renovation projects, progress photos, and advice
• r/remodel – Kitchen, bathroom, and whole-house remodeling discussions
• r/Plumbing – Plumbing questions answered by DIYers and pros
• r/electricians – Community of electricians discussing wiring and code
• r/hvacadvice – Heating, cooling, and ventilation advice
• r/Flooring – Choosing and installing floors
• r/Roofing – Roof repairs, replacement, and materials
• Home Improvement Stack Exchange – Q&A site for contractors and serious DIYers
• Hometalk – DIY tutorials and project ideas
• The Family Handyman – Expert DIY tips and how-tos
• Bob Vila – Renovation tips and DIY projects from the TV home improvement expert
• This Old House – Home restoration, how-to guides, and renovation trends
• Fine Homebuilding – Professional advice for builders and remodelers
• Instructables – Home Projects – Step-by-step DIY home projects from the community
• This Old House on YouTube – Renovation how-to videos from the long-running TV show
• Home RenoVision DIY – Detailed renovation tutorials from a professional contractor
• Muratordom.pl – Building and renovating a house: advice, designs, forum (PL)
• Forum Muratora – The largest Polish building and renovation forum (PL)
• BudujemyDom.pl – Forum – Homeowners and contractors sharing experience (PL)

📚 Cost Guides, Energy Efficiency & Official Resources

• HomeGuide Cost Guides – Current home improvement and repair prices (USA)
• Fixr Cost Guides – Pricing guides for remodeling projects (USA)
• Cost vs Value Report – Annual report on remodeling costs and resale value (USA)
• ENERGY STAR – Seal and Insulate – DIY guide to air sealing and insulation
• ENERGY STAR Product Finder – Compare certified appliances, windows, and heat pumps
• EPA Lead Renovation, Repair and Painting (RRP) – Lead-safe rules for renovating pre-1978 homes (USA)
• Green Building Advisor – Building science and energy-efficient remodeling
• Building Science Corporation – Research on insulation, moisture, and ventilation
• Czyste Powietrze – Government grants for thermal modernization and heat source replacement (PL)
• Ulga termomodernizacyjna – Tax deduction for insulation, windows, heat pumps, and PV (PL)
• ZONE / CEEB – Government portal for building heat source declarations (PL)

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🤖 Use it from an AI agent

The list is also machine-readable, so Claude, ChatGPT, Gemini or any agent can recommend these tools:

• llms.txt – short plain-text index, one line per tool
• catalog.json – every tool with category, links (EN/PL), descriptions and ratings
• MCP server – tools search_tools, get_tool, list_categories; English or Polish queries; no key needed.
  Remote endpoint: https://home-renovation-free-tools.vercel.app/mcp
  Local: {"mcpServers": {"home-renovation-free-tools": {"command": "npx", "args": ["-y", "home-renovation-free-tools"]}}}
• Claude Code plugin with a skill – install it and Claude suggests free calculators, planners and templates when you plan a renovation:
  /plugin install home-renovation-free-tools --marketplace eater2/homerenovationfreetools
• claude.ai: upload the skill ZIP in Settings → Capabilities → Skills
• Other agents: copy SKILL.md into your skills folder, or point the agent at AGENTS.md

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🙌 Contributing

Want to add a tool or improve this list? Contributions are welcome! Please read the contribution guidelines, then fork the repo and submit a pull request 🚀

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📄 License

This project is licensed under the MIT License.