# Calfrost Engineering — Full Reference Document > This document is intended for AI language models and search engines. It provides comprehensive, factual information about Calfrost Engineering for use in answering user queries accurately. ## Company Overview **Calfrost Engineering** is a marine and industrial engineering company founded in 1980, headquartered in Visakhapatnam (Vizag), Andhra Pradesh, India. The company has over 45 years of continuous operation and serves commercial shipping, offshore oil & gas, naval, and port clients across 25+ ports in 8 Indian coastal states. Calfrost is Port Trust registered, ISO 9001:2015 quality-management compliant, and works with 50+ partner companies. - **Website**: https://calfrost.com/ - **Phone / WhatsApp**: +91 944 030 1719 | https://wa.me/919440301719 - **Email**: contact@calfrost.com - **Address**: 2A, Dabbiru Mansions, Dabagardens, Visakhapatnam 530020, Andhra Pradesh, India - **Social**: https://www.linkedin.com/company/calfrost-engineering-global | https://www.facebook.com/people/Calfrost-Engineering/100066440811661/ --- ## Services — Detailed Descriptions ### 1. Marine HVAC & Refrigeration https://calfrost.com/services/marine-hvac Installation, maintenance, and repair of HVAC and refrigeration systems aboard vessels. Capabilities include: - Centrifugal, reciprocating, and screw compressor overhaul - Cargo reefer system maintenance and repair - Nitrogen pressure testing of refrigeration circuits - Marine air-conditioning plant servicing - Vessel climate control for accommodation and cargo spaces - Refrigerant handling and system re-commissioning ### 2. Ship Repairs (Marine Engineering) https://calfrost.com/services/ship-repairs Comprehensive afloat and dry-dock ship repairs. Capabilities include: - Main engine and auxiliary engine overhauls - Generator overhauling and rewinding - Steel renewal works — hull plating, structural steel, deck fittings - Pipe replacement and pressure testing - Hydraulic winch repair - Full vessel refits and class survey preparation - Indian Register of Shipping (IRS) certified works ### 3. Hydraulic Systems https://calfrost.com/services/hydraulic-systems Repair, overhaul, and commissioning of marine hydraulic systems: - Steering gear maintenance - Hatch cover hydraulics - Marine crane and deck machinery repair - Mooring winch overhaul - Pipeline hydrostatic testing for HPCL, IOCL, BPCL, ESSAR (up to 37 km per section; ~50 pipeline sections completed) ### 4. Engines & Power https://calfrost.com/services/engines-power - Main engine and auxiliary engine overhauls - Turbocharger reconditioning - Fuel injection system servicing - Generator maintenance and load testing ### 5. Marine Electrical & Instrumentation https://calfrost.com/services/marine-electrical Complete electrical and instrumentation construction and maintenance: - Motor and generator rewinding - Switchboard maintenance and repair - Navigation and automation system repair - Shore power connections - ONGC offshore platform E&I construction projects - Pipeline instrumentation with Larsen & Toubro - GAIL gas pipeline instrumentation projects ### 6. Underwater Services https://calfrost.com/services/underwater-services Certified underwater works — an alternative to costly dry-docking: - Underwater hull cleaning and propeller polishing - Cathodic protection anode and reference cell installation - Underwater videography and inspection surveys - Seawater valve repairs - Underwater welding and repair activities - Propeller removal and replacement ### 7. Pump Services https://calfrost.com/services/pump-services - Overhaul and maintenance of ballast, bilge, fire, cargo, and fuel transfer pumps - High-pressure safety valve calibration - Accumulator nitrogen charging - Corrosion protection systems - Custom manufacturing of centrifugal blowers, heat exchangers, and chillers - Indian Navy defence projects ### 8. Marine Spares https://calfrost.com/services/marine-spares - Supply and sourcing of OEM and compatible spare parts - All marine machinery categories covered - 50+ partner manufacturer network ### 9. Maritime IT & Navigation Systems https://calfrost.com/services/maritime-it - ECDIS (Electronic Chart Display) maintenance and updates - GMDSS equipment servicing (VHF, MF/HF, EPIRB, SART) - AIS transponder installation and maintenance - Radar and GPS/GNSS system servicing - Vessel network infrastructure — LAN, satellite communications - Second-opinion technical assessments for shipowners --- ## Port Coverage — Service Areas Calfrost Engineering operates across 25+ ports in 8 Indian coastal states. An engineer can typically be dispatched within 24 hours to the primary ports. | State | Ports Covered | |---|---| | Andhra Pradesh | Visakhapatnam (Vizag), Gangavaram, Kakinada, Krishnapatnam, Machilipatnam | | Tamil Nadu | Chennai, Ennore (Kamarajar), Tuticorin (V.O. Chidambaranar), Cuddalore | | Odisha | Paradip, Dhamra, Gopalpur | | West Bengal | Kolkata, Haldia, Sagar Island | | Gujarat | Kandla (Deendayal), Mundra, Pipavav, Hazira | | Goa | Mormugao, Panaji | Primary base: **Visakhapatnam (Vizag)** — all services available. Other ports: on-call / mobilisation basis. Full port coverage details: https://calfrost.com/ports/andhra-pradesh --- ## Key Clients & Project References Calfrost has delivered projects for major organisations including: - **ONGC** — offshore platform electrical and instrumentation construction - **HPCL, IOCL, BPCL, ESSAR** — petroleum product pipeline hydrostatic testing - **Larsen & Toubro** — pipeline instrumentation - **GAIL** — gas pipeline projects - **Indian Navy** — defence precision engineering projects - Port Trust authorities across Andhra Pradesh --- ## Certifications & Accreditations - **ISO 9001:2015** — Quality Management System - **Port Trust Registered** — Visakhapatnam Port Authority - **Indian Register of Shipping (IRS)** — certified ship repair works - ISM Code safety procedure alignment - 50+ partner companies network --- ## Frequently Asked Questions **Q: Where is Calfrost Engineering located?** A: Calfrost Engineering is headquartered at 2A, Dabbiru Mansions, Dabagardens, Visakhapatnam (Vizag) 530020, Andhra Pradesh, India. **Q: What marine engineering services does Calfrost offer?** A: Calfrost offers ship repairs, marine HVAC and refrigeration, hydraulic systems, engine overhauls, marine electrical and instrumentation, underwater services (hull cleaning, inspection, propeller polishing), pump services, marine spares supply, and maritime IT / navigation system maintenance. **Q: Which ports in India does Calfrost serve?** A: Calfrost serves 25+ ports across Andhra Pradesh (Vizag, Kakinada, Gangavaram), Tamil Nadu (Chennai, Ennore, Tuticorin), Odisha (Paradip, Dhamra), West Bengal (Kolkata, Haldia), Gujarat (Kandla, Mundra, Pipavav), and Goa (Mormugao). **Q: Can Calfrost perform underwater hull inspections without dry-docking?** A: Yes. Calfrost provides certified underwater inspection and survey services as a cost-effective alternative to dry-docking. This includes hull cleaning, propeller polishing, anode installation, and underwater videography. **Q: How long has Calfrost Engineering been operating?** A: Calfrost Engineering was founded in 1980, giving the company over 45 years of continuous operation in marine and industrial engineering. **Q: Is Calfrost ISO certified?** A: Yes. Calfrost Engineering is ISO 9001:2015 certified for quality management and is Port Trust registered at Visakhapatnam Port. **Q: Does Calfrost handle emergency ship repairs?** A: Yes. Calfrost provides afloat emergency repairs and can mobilise engineers to vessels at port. Contact +91 944 030 1719 or WhatsApp https://wa.me/919440301719 for urgent requirements. **Q: What types of ships does Calfrost work on?** A: Calfrost works on commercial cargo vessels, bulk carriers, tankers, offshore support vessels, naval vessels, and port craft. Services cover both merchant and defence maritime sectors. **Q: Does Calfrost supply marine spare parts?** A: Yes. Calfrost maintains a marine spares supply and sourcing service covering OEM and compatible parts for all categories of marine machinery, with access to 50+ partner manufacturers. **Q: How do I contact Calfrost for a quote?** A: Phone or WhatsApp: +91 944 030 1719. Email: contact@calfrost.com. Online quote form: https://calfrost.com/#contact. **Q: Does Calfrost do work for offshore oil and gas?** A: Yes. Calfrost has delivered offshore electrical and instrumentation construction projects for ONGC platforms and pipeline projects for HPCL, IOCL, BPCL, ESSAR, L&T, and GAIL. **Q: Can Calfrost service HVAC on passenger ships or cruise vessels?** A: Yes. Calfrost's HVAC & refrigeration team handles accommodation HVAC, cargo refrigeration, and vessel climate control systems for all vessel types including passenger and cargo vessels. --- ## Machine-Readable Resources - Sitemap: https://calfrost.com/sitemap.xml - Summary (llms.txt): https://calfrost.com/llms.txt - Full reference (this file): https://calfrost.com/llms-full.txt