The MEPF & solar numbers architects ask us for
Space, load and budget figures you need at concept & schematic stage — without waiting on a consultant. Get an instant number, then a precise engineered quote from our team.
★ Architect Essentials
The space-planning & feasibility numbers you reach for first.
MEPF Cost Estimator
Put a credible services budget in your feasibility pitch.
Indicative ₹/sq.ft and total budget for building services.
Concept stageOpen → ★ EssentialAC Tonnage Calculator
Size the AHU / plant room, ODU deck and the load it adds.
Heat-load → cooling tonnage (TR) and a unit configuration.
Concept stageOpen → ★ EssentialWater Demand & Tank
UG + overhead tank volumes — and the terrace load they add.
Daily demand and UG/OH tank sizing per IS 1172.
Concept stageOpen → ★ EssentialFire Water Tank
The statutory UG fire tank you must find space for.
Underground static + terrace fire-water storage per NBC 2016.
Concept stageOpen → ★ EssentialDG Set Sizing
Drives the DG room and electrical-room footprint.
Diesel generator kVA from your connected load.
Schematic stageOpen → ★ EssentialSTP Capacity
Carve out the correct STP footprint early — not later.
Sewage in KLD and the right STP capacity, with reuse.
Concept stageOpen →All calculators by discipline
HVAC
Ventilation / Fresh Air
Exhaust airflow (CMH/CFM) and ACH for basements, kitchens, plant rooms.
Open calculator → HVACDuct Size
Round Ø and rectangular duct size from airflow (CFM) and velocity.
Open calculator → HVACChiller & Cooling Tower
Chiller TR, cooling tower, water flows and power from the cooling load.
Open calculator →Electrical
Transformer Sizing
Distribution transformer kVA from load, diversity and margin.
Open calculator → ElectricalCable Size
Copper/aluminium cable size by voltage drop + current capacity.
Open calculator → ElectricalLighting / Lux
Fixtures and lighting load to hit the right lux level.
Open calculator → ElectricalCEIG Readiness Checker
Whether your HT/substation/DG installation needs Electrical Inspector approval, and how ready your file is.
Open calculator → ElectricalEV Charging Load
Connected load, diversified demand and suggested supply (kVA) from your EV charger mix.
Open calculator → ElectricalPower Factor Correction (kVAr)
Capacitor-bank kVAr and the annual demand-charge saving from a better PF.
Open calculator → ElectricalDG Running Cost & Solar ROI
True ₹/unit of diesel power, annual fuel bill and what rooftop solar could save.
Open calculator →Plumbing
Rainwater Harvesting
Annual harvest, storage and tanker-water savings from your roof.
Open calculator → PlumbingPump Head & Power
Total dynamic head and pump power (HP/kW) from flow and lift.
Open calculator → PlumbingPipe Size
Water pipe diameter (NB) from flow rate and design velocity.
Open calculator →Fire
Fire Pump Room
Pump-room floor area, dimensions and the pump set you need.
Open calculator → FireFire Extinguisher Qty
How many extinguishers and which types, by area and hazard (IS 2190).
Open calculator → FireSprinkler Head Count
Number of sprinkler heads, coverage and spacing by hazard class.
Open calculator → FireFire NOC Requirement Checker
Whether a Fire NOC applies and which systems your building needs (NBC 2016).
Open calculator → FireRefuge Area
High-rise floor refuge area under NBC 2016 Part 4, from occupant load and height.
Open calculator →Solar
Commercial & Industrial Solar EPC
Feasibility, approvals, financing and every solar calculator in one place.
Open calculator → SolarSolar for Home
Price by system size, PM Surya Ghar subsidy, roof needed and payback.
Open calculator → SolarSolar Financial Model
System size, savings, payback, IRR and NPV — every assumption editable.
Open calculator → SolarSolar Panel & Inverter
Panel count, inverter rating, area and yield for a given kW.
Open calculator → SolarSolar Plant Area
Land (acres) or roof area needed for a kW/MW solar plant.
Open calculator → SolarSolar vs Sanctioned Load
Whether your rooftop solar fits your DISCOM sanctioned-load / net-metering cap.
Open calculator → SolarShadow-Free Area Solar
Rooftop solar capacity (kWp), generation and module count from your shadow-free area.
Open calculator → SolarSolar EMI & Cash Flow
Whether the monthly saving covers the EMI — the number that decides financed projects.
Open calculator → SolarSolar CAPEX vs OPEX (PPA)
Own the plant or buy its output? Lifetime rupees, IRR and the crossover year.
Open calculator → SolarDG vs Solar
Diesel against solar on cost per unit — usually the strongest solar case a factory has.
Open calculator → SolarSolar Payback Period
Payback years, ROI and 25-year savings from your bill, tariff and plant cost.
Open calculator → SolarSolar Subsidy (PM Surya Ghar)
Central subsidy for a home rooftop system — slabs, the ₹78,000 cap and how it is paid.
Open calculator → SolarNet Metering Savings
Split savings into self-consumed vs exported units — and what net billing changes.
Open calculator → SolarSolar Generation (kWh)
Annual, monthly and daily units for any plant size, with seasonal highs and lows.
Open calculator → SolarSolar AMC Cost
Annual maintenance cost by plant size and coverage — and the generation it protects.
Open calculator → SolarSolar Battery Storage
Battery bank (kWh) for your backup load and hours — LFP vs lead-acid, with indicative cost.
Open calculator → SolarSolar Roof Load
Dead load (kg/m² and tonnes) a rooftop array adds, by mounting type.
Open calculator → SolarSolar Water Pump
Pump HP to solar array (kWp), panel count and controller — borewell, agri, industrial.
Open calculator → SolarOpen Access Savings
Landed grid tariff vs landed open-access rate — the saving on your consumption.
Open calculator → SolarSolar Carbon Offset
Tonnes of CO₂ avoided per year and over 25 years — ESG-ready, CEA grid factor.
Open calculator →All tools give indicative estimates only — not binding designs or quotations. Final figures follow a site survey and the relevant Indian codes (NBC 2016, IS standards, DISCOM policy).
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