# NAKADI Engineering (ნაკადი ინჟინერია)

> Georgian engineering company specializing in heating, cooling, ventilation (HVAC), water and sewage systems, and fire safety solutions for residential and commercial buildings in Georgia.

NAKADI Engineering (ნაკადი ინჟინერია) is a full-service engineering company based in Tbilisi, Georgia, providing professional HVAC design, installation, consultation, and maintenance services. The website is bilingual (Georgian and English) and includes a public library of free engineering calculators for HVAC professionals.

## Services
- [Consultation](https://nkd.ge/services/consultation): Engineering consultation for HVAC and building systems
- [Heating & Cooling](https://nkd.ge/services/heating-cooling): Design and installation of heating and air-conditioning systems
- [Ventilation](https://nkd.ge/services/ventilation): Mechanical ventilation systems for residential and commercial buildings
- [Plumbing](https://nkd.ge/services/plumbing): Water supply and sewage system design and installation
- [Fire Safety](https://nkd.ge/services/fire-safety): Smoke control, fire suppression, and stair pressurization systems
- [Design](https://nkd.ge/services/design): Complete engineering project design and documentation

## Products
- [Products catalog](https://nkd.ge/products): HVAC equipment, pumps, fittings, and engineering components organized by category

## Engineering Calculators (free, browser-based tools)
- [All calculators](https://nkd.ge/calculators)
- [Heating load](https://nkd.ge/calculators/heating)
- [Cooling load](https://nkd.ge/calculators/cooling)
- [Ventilation](https://nkd.ge/calculators/ventilation)
- [Air exchange (ACH)](https://nkd.ge/calculators/air-exchange)
- [Duct sizing](https://nkd.ge/calculators/duct-size)
- [Duct surface area](https://nkd.ge/calculators/duct-area)
- [Energy consumption](https://nkd.ge/calculators/energy)
- [Pool heating](https://nkd.ge/calculators/pool-heating)
- [Smoke extraction — corridor](https://nkd.ge/calculators/smoke-corridor)
- [Smoke extraction — shaft](https://nkd.ge/calculators/smoke-shaft)
- [Stairwell pressurization](https://nkd.ge/calculators/stair-pressure)
- [Pipe diameter](https://nkd.ge/calculators/pipe-diameter)
- [Water consumption](https://nkd.ge/calculators/water-consumption)
- [Cable size](https://nkd.ge/calculators/cable-size)
- [Circuit breaker selection](https://nkd.ge/calculators/breaker)
- [Expansion tank](https://nkd.ge/calculators/expansion-tank)
- [Circulation pump selection](https://nkd.ge/calculators/circulation-pump)

## Information
- [About](https://nkd.ge/about): Company background, values, and mission
- [Blog](https://nkd.ge/blog): Articles on HVAC, energy efficiency, and engineering best practices
- [Contact](https://nkd.ge/contact): Phone, email, and contact form

## Contact
- Website: https://nkd.ge
- Email: info@nkd.ge
- Location: Tbilisi, Georgia
- Working hours: Monday–Friday 10:00–18:00 (GET)