Ona HVAC & ElectromechanicalHVAC & Electromechanical

Supply, installation, and maintenance for HVAC systems

Ona HVAC & Electromechanical

Integrated supply, installation, and maintenance solutions for large central AC units, split systems, and electromechanical work across homes, facilities, and commercial projects.

Saudi-wide coverage

Requests routed by city and service type.

Work warranty

Documented service, suitable parts, and follow-up.

Clear pricing

Issue and cost explained before work starts.

Services

From quick repairs to complete maintenance programs

We support homes, villas, offices, retail spaces, and commercial sites with scalable HVAC services.

AC supply and installation

Supply and installation for large central, split, window, and commercial AC systems.

Maintenance and repair

Diagnosis of weak cooling, leaks, noise, and electrical faults.

Cleaning and sanitizing

Filter and unit cleaning to improve airflow and operating efficiency.

Maintenance contracts

Scheduled visits for homes, offices, branches, and facilities.

Central HVAC

Inspection and maintenance for AHUs, ductwork, chillers, and central systems in commercial buildings.

Smart control systems

Control solutions that help manage operation, save energy, and reduce cost.

Large central air handling unit on a building rooftop

Large central units

Supply, installation, and inspection for AHUs and commercial rooftop systems.

Request service
Chiller compressor inside a central HVAC system

Chillers and plant rooms

Compressor, pressure, and control checks for sites that need stable operation.

Request service
Ductwork and piping inside a mechanical room

Duct and mechanical works

Duct, diffuser, piping, and support installation matched to building needs.

Request service

For companies and suppliers

Ready for large projects and global HVAC supplier requirements

We support large central AC units, VRF/VRV systems, ductwork, chillers, air handling units, and operating sites that need organized technical coordination.

CarrierDaikinTraneLennox

Experience supporting global HVAC system requirements without claiming official partnership with the brands shown.

Large central units

AHUs, rooftop units, and chillers handled according to project requirements.

Supplier coordination

Technical understanding of global-brand requirements for supply, installation, and inspection.

Operation and maintenance

Pressure, controls, airflow, ductwork, and performance follow-up for critical sites.

Previous work

Real site photos from central HVAC, duct, and large-unit work

A selection of inspection, installation, and maintenance work across central HVAC systems, ducts, mechanical rooms, and commercial units.

Large central air handling unit on a building rooftop

Central AC unit

Installation and inspection for large commercial units.

Technician inspecting a central HVAC plant

Cooling plant service

Central operation and control equipment inspection.

Chiller compressor inside a central HVAC unit

Chiller compressor

Pressure diagnosis and cooling-circuit service for large systems.

Large industrial fan in an HVAC system

Industrial fan

Fan and ventilation inspection for air movement systems.

Technicians working on rooftop VRF units

Rooftop VRF installation

Copper piping and outdoor unit connection work.

Mechanical piping and ductwork in a service room

Mechanical piping

Duct, pipe, and support coordination in service rooms.

Air ductwork in a parking basement

Basement ductwork

Air duct and ventilation outlet work in indoor parking areas.

Technician on scaffolding checking ceiling air diffusers

Air diffuser balancing

Diffuser inspection and indoor airflow balancing.

Galvanized ductwork in an outdoor corridor

Duct fabrication

Galvanized duct preparation and installation in tight corridors.

Technician measuring pressure on a large outdoor AC unit

Rooftop diagnostics

Pressure checks and diagnostics for large outdoor units.

Metal air duct connected to a central AC unit

Fresh air duct

Duct preparation and connection for central airflow.

Concealed linear AC grille in a modern kitchen

Concealed indoor AC

Linear grille finishing for concealed indoor air conditioning.

National coverage

Serving all regions of Saudi Arabia

Requests are coordinated by city and service type, helping customers reach the right team or next available appointment.

Current service scope

All regions of Saudi Arabia

Riyadh and Central Region

Home, office, and facility services with clear scheduling.

Jeddah, Makkah, Madinah

Installation, cleaning, and maintenance across the Western Region.

Eastern, Southern, Northern KSA

Request intake and visit coordination by city availability.

Ona team members wearing safety vests on site

Team

Field team familiar with large-site requirements

Technicians and supervisors who handle site procedures, safety, inspection, and work documentation in a way that suits companies and projects.

We coordinate the work on site from inspection to handover, with attention to safety, site cleanliness, and technical notes.

Technical supervision for duct and central-unit work

Coordination suited to companies and suppliers

Testing and commissioning before handover

Why Ona

A more professional experience than a simple service visit

We focus on diagnosis, cost clarity, clean execution, and after-service guidance so customers can make confident decisions.

Specialized team

Experience across split, window, central, and commercial systems.

Clear decision

Diagnosis and solution explained before implementation.

After-service guidance

Care instructions that help maintain performance.

Professional coordination

Better request details mean faster service decisions.

Issues we solve

Warning signs you should not ignore

Early inspection often reduces repair cost and protects major AC components.

Water leakage

Drain cleaning and insulation checks to reduce recurrence.

Weak cooling

Filters, condenser, compressor, and refrigerant levels checked.

Refrigerant leaks

Leak detection, pressure testing, and recharge if required.

Unusual noise

Fan, vibration, and mounting issues inspected.

High energy use

Cleaning and tuning parts that affect efficiency.

Repeated breakdowns

Root-cause diagnosis instead of temporary fixes.

Sectors

HVAC support tailored to each site type

Homes, offices, and commercial locations need different service priorities.

Homes and villas

Daily comfort, cleaner air, and pre-summer maintenance.

Offices and companies

Less downtime and better environments for teams and clients.

Schools and hospitals

Reliable service for sites that need stable operation.

Warehouses and facilities

Cooling and service support for larger operational spaces.

Hotels and projects

Integrated central HVAC solutions for multi-zone properties.

Restaurants and retail

Practical response for locations that depend on continuous cooling.

Process

Organized service from the first contact

A clear workflow helps customers know what happens before the technician arrives.

01

Request intake

We receive the city, AC type, and issue by phone or WhatsApp.

02

Service path

We determine whether the case needs a visit, consultation, or contract.

03

Execution and follow-up

Service is completed with testing and care guidance.

FAQ

Quick answers before booking

Common questions about AC service and maintenance in Saudi Arabia.

Does Ona serve all regions of Saudi Arabia?

Yes. We receive requests from across KSA and coordinate the next step based on city, service type, and availability.

How can I improve AC energy efficiency?

Clean filters regularly, set temperature between 24 and 26 degrees, and schedule maintenance before peak summer.

What are signs my AC needs service?

Weak cooling, unpleasant smells, unusual noises, water leakage, or a noticeable increase in electricity usage.

Do you offer maintenance contracts?

Yes. We provide periodic plans for homes, offices, facilities, and branches based on unit count and system type.

Can I book on WhatsApp?

Yes. Send your city, AC type, issue description, and a photo of the unit if possible.

Contact

Ready to serve you across KSA

Send your city and AC issue on WhatsApp or call directly for the next step.

Direct call

050 871 8423

WhatsApp

050 871 8423

Email

info@ona-cooling.com

Service coverage

All regions of Saudi Arabia

For faster follow-up

Send your city, AC type, issue description, and a photo of the unit if possible. We will help coordinate the right next step.

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