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Separate pricing engine
Geometry, formulas, constraints, catalogue and prices are separated and unit-tested. Money is computed in whole bani — no rounding drift.
SITEHUB TECHNOLOGY SHOWROOM
Air Conditioner Size Calculator
Required capacity by volume, sun exposure, people and appliances, 7–24k BTU class, inverter, line and installation.
Interactive calculators and configurators for your business
SiteHub builds price calculators, 2D/3D configurators, automated estimating and ordering tools. Below are 12 working demos: change parameters, rotate models and see the estimate without signing up.
- 12working demos
- 3Dparametric models
- 0contact details to see a result
Air Conditioner Size Calculator — calculation method
Enter the room size and how many people and devices are in it — the calculator applies the volume-and-sun method and picks the right nominal class, with installation and line. AC shops can link it straight to catalogue models.
- Q = S × h × q, where q = 30 / 35 / 40 W/m³ by sun exposure.
- Add 0.1 kW per person and ≈ 0.2 kW per computer or TV.
- The nominal class ≥ 95% of the need is chosen (1 kW ≈ 3,412 BTU/h).
Demo prices are illustrative and configured for your company. SiteHub builds calculators like this for websites.
What does 9,000 BTU mean?
It is the nominal cooling capacity, about 2.6 kW, usually suitable for 20–26 m² in normal conditions.
Is an inverter unit worth it?
An inverter modulates smoothly, uses less energy and runs quieter; it costs more upfront.
Pick a tool and test it
Every demo is a separate mini-app with its own address. Prices are demo values: SiteHub builds software, it does not sell these products.
01NEWCalc
Solar Panel Calculator
From monthly use and the roof: kWp, number of panels, inverter, battery, yearly output, savings and payback. Try the demo 02NEW2DFence & Gate Calculator
Posts, rails, profiled sheet, pickets, 3D mesh or timber, foundation, swing or sliding gate, wicket and automation. Try the demo 03NEWCalcHeat Pump & Insulation Calculator
Heat load, yearly demand, gas or electric cost vs a heat pump, insulation option, savings and payback. Try the demo 04NEWCalcAir Conditioner Size Calculator
Required capacity by volume, sun exposure, people and appliances, 7–24k BTU class, inverter, line and installation. Try the demo 053D3D Roof Calculator
Gable, hip or shed roof built in 3D from real dimensions. Inclined-area maths, trims, gutters and labour. Try the demo 062DFacade Calculator
Multiple walls, windows and doors dragged on the drawing. Insulation, adhesive, mesh, primer and decorative plaster by consumption norms. Try the demo 072DAMK Panel Calculator
Decorative panels at real scale: series, colour, laying pattern. Panel and pack count, adhesive, corners, installation. Try the demo 083D3D Furniture Configurator
Parametric wardrobe: width, sections, shelves, drawers, rail, hinged or sliding doors, decors and handles. Model and price come from the same parts list. Try the demo 093D3D Shower Configurator
Fixed panel, niche door, corner or sliding enclosure. 6/8/10 mm glass, millimetre sizes with fitting gaps, hardware and door animation. Try the demo 10CalcRenovation Calculator
Estimate by category: demolition, floors, walls, ceilings, electrics, plumbing and extras. Standard vs. extended comparison and generated plan. Try the demo 11ShopProduct & Price Configurator
Custom window or balcony door: profile, colours, glazing, openings, hardware. Demo cart with several configurations, ready for OpenCart or WooCommerce. Try the demo 12APIOnline Booking System
Service, specialist, free day and time in real time. Booking, cancellation and server-side double-booking protection — on a demo salon. Try the demoNot pictures — a calculation engine
3D from the same data
The wardrobe model is built from the parts list the price is computed from. Change the width and both model and estimate change.
Integration with your site
Requests to CRM or Telegram, products to OpenCart or WooCommerce, prices from the admin. No React, no heavy dependencies.
Frequently asked questions
Are the demo prices your prices?
No. SiteHub builds software and does not sell roofing, furniture or glass. Demo prices, norms and materials are configurable demo values; in your project they come from your catalogue and price list.
Can I change prices and rules without a developer?
Yes. Materials, prices and norms live in a separate configuration that we connect to your admin panel in the project.
Does it work with OpenCart or WooCommerce?
Yes. The configurator passes the product with chosen options and the final price is recalculated on the shop server.
Must a visitor leave a phone number to see the result?
No. The result and estimate are visible immediately. A request is a separate, voluntary step and the configuration is attached automatically.
Does the 3D work on phones?
Yes, on WebGL-capable devices. The scene loads only when a demo opens, renders on demand and frees memory on close. Without WebGL the calculation stays available.
SITEHUB
Need a tool like this on your site?
Describe what your customer should calculate or configure — we will propose architecture, timeline and cost.
