A FIELD GUIDE FOR BETTER HOME DECISIONS51 guides 102 calculators51 tool guides 6 languages

PRACTICAL ANSWERS + SIMPLE TOOLS

Your home, explained.
Every decision, calculated.

Diagnose the problem, understand the system, calculate the options and leave with a practical next step.

01Understand02Calculate03Decide
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Cutaway house showing insulation, solar energy, water supply, treatment, heating and wastewater systems.
THE WHOLE HOUSE, CONNECTEDSee how one system changes the next.
51guides102calculators51tool guides6languages

TRY A QUICK ESTIMATE

Start with household water demand.

Change the household size to get a practical first estimate, then open the guide to plan supply and storage.

What daily demand tells you about a well
TRY A QUICK ESTIMATE

Household water demand

Include regular occupants.
Illustrative default: replace with metered use where possible.
Irrigation, treatment backwash or other uses.
Choose your planning scenario; not a universal recommendation.
Estimated daily demand

600 L/day

Illustrative usable storage

600 L

Average volume only. Peak flow, water quality, tank turnover, dead storage and emergency drinking-water needs are separate checks.

START WITH YOUR QUESTION

What are you working on?

01
My house loses heat.

Find the cause, then compare the improvement.

02
I need reliable water.

Check source, yield and treatment in order.

03
I want backup power.

Start with essential loads and autonomy.

04
I am planning buried services.

Connect frost, levels, trench geometry and material quantities.

FIELD TOOL ENCYCLOPEDIA

Tools & meters

Choose an instrument for your question. Learn what to measure, what the result means and when a professional is needed.

Explore tools & meters

NEW PRACTICAL GUIDES

Fresh answers for common home-system decisions.

Start with a clear explanation, then use the linked calculator and keep the assumptions with the result.

Explore all guides

BROWSE BY HOME SYSTEM

Nine connected topics. One practical library.

Open a topic to see its explanations and calculators together, in a useful working order.

Saved resources

YOUR FIELD KIT

Saved resources

Guides, calculators and tool instructions you want to revisit. This list stays on this device.

No saved resources yet. Open a guide, calculator or tool instruction and choose “Save for later”.

YOUR CALCULATION BENCH

Put numbers to the next decision.

All 102 calculators

KNOW WHAT THE NUMBER MEANS

Useful estimates come with their assumptions.

A pipe-depth calculation starts with your local cover requirement. A battery calculation starts with your loads. The guides help you collect the right inputs and understand the limits.

See the frost-depth example