HVAC Contractor in Dubai, UAE
We start with the property, not the equipment. Match your need to the right service, then send a clear enquiry for a clear quote.
7+
Years in UAE Market
250+
Projects Completed
300+
Happy Clients
24/7
Support
Why Dubai HVAC Projects Go Wrong
One bedroom in your Dubai villa stays warm by late afternoon even with the AC running. Maybe you want concealed ductwork that keeps the ceiling clean, or you manage a building where HVAC work has to happen around tenants and daily operations.
Too many projects start with a tonnage guess or an equipment pick before anyone looks at room layout, zones, duct routes and how the building is actually used. The result: a unit sized wrong, ductwork that misses the hot rooms, and a quote that changes once site work begins.
That is why Annex Star starts with the property. Across 250+ completed projects, switching from equipment-first to layout-first is what produced clear quotes. We serve residential and commercial properties with HVAC installation and maintenance, VRF/VRV, custom GI/PI duct fabrication, commercial ventilation, chilled-water systems and annual maintenance agreements.
Key Takeaways
HVAC Services for Dubai Homes, Buildings and Businesses
Each service answers a different kind of enquiry. Start from the property, the rooms and how you use them. The equipment follows.
Villas, apartments & offices
AC Installation
Central AC conditions a whole property from one plant. VRF/VRV cools zones independently. Split units work room by room, and package units sit on a roof or plant deck. The property decides which fits.
Fabricated in-house
Custom GI & PI Ductwork
GI ducts are galvanized iron, insulated on site, strong and shaped to large custom routes. PI ducts are factory pre-insulated, lighter and faster to install. Fabrication, insulation and air balancing belong in one coordinated scope.
Clean ceilings
Private-Villa Concealed AC
Concealed units and neat ductwork that keep the interior clean, with access panels for filters and coils planned into the ceiling detail from day one, not cut in afterwards.
Independent zones
VRF / VRV Multi-Zone
One outdoor unit serves many indoor units. Inverter compressors modulate to what each space needs. Higher initial cost and specialised servicing are real trade-offs, so layout and room use must justify it.
Medium to large buildings
Chilled-Water & Commercial HVAC
Cooled water runs through pipes to air handling and fan coil units. Suited to towers, warehouses and plants, with plant-room, ventilation and phasing planned around an active building.
Planned & urgent support
Annual Maintenance Agreements
Planned support goes through the agreement conversation. An urgent issue goes straight to the call line, with 24/7 support through the same route.
Pro tip: raise VRF/VRV when independent zone cooling is the priority, and let the layout, room use and a site assessment decide whether it fits.
What to Prepare Before Contacting Annex Star
This checklist keeps the first conversation useful. The selector below is enquiry guidance, not a final design. A site assessment may still be needed to confirm the right system.
AC Tonnage Calculator
A rough first figure only. It cannot see duct runs, ceiling voids, solar gain on a west-facing wall, or how a family uses its rooms. An engineered load calculation and a site assessment turn it into a properly scoped quote.
Find the Right Service for Your Property
If your situation spans two rows, mention both when you enquire.
| Property or need | Relevant service | Useful enquiry details | Next step |
|---|---|---|---|
| Villa owner planning concealed AC and neat ductwork | Private-villa AC, GI/PI duct fabrication | Villa location, floor plan, ceiling type, rooms to conceal, timing | Share drawings or photos and request a site assessment |
| Villa, office or building needing independently cooled zones | VRF/VRV systems | Property type, floor plan, areas to control separately, existing system | Describe the zones you want independent |
| Complex layout needing custom air distribution | Custom GI/PI ductwork, commercial ventilation | Layout drawings, duct route constraints, ceiling void space | Send the drawing or equipment schedule |
| Apartment or office seeking a new AC system | Split and package units, central AC | Property size, current system, outdoor unit access, preference | Share photos and ask which options fit |
| Medium-to-large building or plant considering central cooling | Central AC and chilled-water systems | Building type, floors, plant room space, cooling zones | Request a site assessment |
| Tower, warehouse, retail or industrial facility | Commercial HVAC and ventilation | Facility use, floor area, occupancy, ventilation needs | Explain the use and ask about scope |
| Planned ongoing system support | Annual maintenance agreements | Property type, number of AC units, maintenance history, contract length | Ask about coverage and a scheduled check |
| Uneven cooling or weak airflow | Central AC, VRF/VRV and ductwork review | Which rooms are warm or weak, when, existing system | Request a site assessment before any quote |
A Clear Quote and Enquiry Journey
A clear quote arrives as a written scope, so you can read exactly what you are approving before you approve it.
Share your details
Property type, location, the system or issue, project stage and any drawings or photos.
We review
Annex Star identifies whether a project conversation or a site assessment is the right next move.
Receive a written quote
Scope, assumptions, exclusions and separately priced options, all in writing.
Approve the scope
You review and approve before anything is scheduled. No work starts before you approve.
Comparing two quotes?
Compare line by line before you compare the total.
Credentials and Standards
Over 7 years in the UAE market, 250+ projects completed, 300+ clients served and 100% Dubai Standards compliance. Installations are checked against the 2021 Dubai Building Code (Indoor Environment and Villas parts) and the CIBSE Design Guide for Dubai.
100% Satisfaction Guarantee
Upfront quotes with no hidden fees, backed by a 100% satisfaction guarantee. Every written scope names what is included and what is excluded.
Frequently Asked Questions
What HVAC services does Annex Star offer in Dubai?
Annex Star covers HVAC installation, VRF systems, custom GI and PI duct fabrication, commercial ventilation, central AC, VRF/VRV, split and package units, private-villa AC and duct installation, chilled-water systems, commercial HVAC, and annual maintenance agreements.
Can Annex Star install concealed AC and ductwork in a private villa?
Yes. Private-villa AC and duct installation covers concealed units and neat ductwork, so the cooling stays hidden behind a clean ceiling. Share the property location, a floor plan or photos, and the rooms or zones you want cooled.
Does the AC tonnage calculator determine the final system design?
No. The calculator is an initial enquiry aid, not a final design. Layout, room use, ventilation, duct routes and desired zones can all change the right system. Use it to start the conversation, then ask for a site assessment before any equipment is selected.
Does Annex Star provide VRF/VRV and chilled-water systems?
Yes. VRF/VRV supports independently cooled zones from a single outdoor unit. Chilled-water systems circulate cooled water through pipes to remove heat, which suits medium-to-large buildings and industrial plants. Tell us the building type and the zones you want to control.
Does Annex Star offer annual maintenance agreements and 24/7 support?
Yes. Call +971 56-380-5964 and describe the property, the system and the support need.
What should I include in an HVAC enquiry?
Property type and location, the existing system if known, the service or issue, project stage, affected rooms or zones, and any drawings or photos. Commercial clients should also add equipment schedules and site constraints.
Where is Annex Star Technical Services located?
Office 801, Latifa Tower - Sheikh Zayed Rd - Trade Center First - Dubai - United Arab Emirates. Email info.annexstar@gmail.com or call +971 56-380-5964.