Architectural and engineering inspiration for climate
ONTECHNIC / CLIMATE & COMFORT01 — 04

HVAC, Air Conditioning & Ventilation

Heating, cooling and fresh air considered alongside architecture.

ONTECHNIC · COSTA DEL SOLSCROLL ↓
01 / PERSPECTIVE

ONTECHNIC
SCANDINAVIAN ATELIER

Comfort you feel. Systems you barely notice.

Heating, cooling and fresh air considered alongside architecture.

02 / HOW IT CONNECTS

See the whole picture.

Choose a stage to explore how each piece works together.

01 / 03

Define comfort

Room uses, climate expectations and design constraints.

Editorial photographs · illustrative concept
03 / ONTECHNIC · INTERACTIVE ATELIER

Comfort, considered.

Explore an interactive design concept.

Explore three scenarios

Balanced temperature and discreet comfort.

Visual concept only – no connected devices or live data.

03 / IN DETAIL

Every detail shapes the whole.

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Comfort depends on more than choosing an air-conditioning brand. Sound levels, zoning, air movement, controls and maintenance access all matter.

Climate engineering within the design

We help coordinate climate installations for renovation and construction projects, considering the building layout and how rooms will actually be occupied.

  • Air-conditioning and heating system planning
  • Ventilation and ductwork coordination
  • Equipment positioning, service access and acoustic considerations
  • Electrical interfaces, condensate routing and architectural integration
  • Zoning and appropriate smart-control integration

Assess before selecting

Ducted split, multi-split and VRF configurations offer different capabilities and installation requirements. Correct equipment selection depends on calculated loads, project constraints and qualified technical assessment.

Next steps

Share your floor plans, property location and existing HVAC details to discuss feasible options.

Contact Peyman: +34 625 629 326 · WhatsApp · Contact.

Also available in Swedish / related page: Swedish / related.

Air conditioning installation: ducted systems and VRF on the Costa del Sol

Planning air conditioning for a villa, house or apartment in Marbella, Mijas or Fuengirola? The right solution does not begin with a brand or a guessed kilowatt rating. We first review room dimensions, solar gains, insulation, ceiling heights, occupancy and the practical routes for equipment and air distribution.

Ducted air conditioning – discreet comfort across several rooms

A ducted AC unit can be concealed above a suspended ceiling, distributing conditioned air through ducts and supply grilles. Return-air paths must also be considered. The result can be visually discreet, but the design requires space for equipment, ductwork, condensate drainage and maintenance access.

A good ducted installation needs calculated airflow, duct pressure losses, available fan static pressure, acoustic control and balanced distribution. One thermostat does not automatically create independent temperature control in every room; zoning needs appropriate equipment and compatible controls.

VRF and VRV – coordinated climate control for multiple rooms

VRF (Variable Refrigerant Flow) connects compatible indoor units to one or more outdoor units. Depending on the configuration, individual rooms or zones may be controlled separately. VRV is Daikin's name for its system family in this category. Such systems may suit larger houses, villas and multi-zone properties; they are not automatically the best choice for a small apartment.

VRF design requires checks of calculated heating and cooling loads, refrigerant piping lengths, height differences, indoor-unit combinations, controls, service access and manufacturer limits. Heat recovery and simultaneous heating and cooling are available only in configurations specifically designed for those functions.

Split, multi-split, ducted or VRF – which system is right?

A single split unit may be appropriate for one room. Ducted AC can suit multiple rooms when space is available for air distribution. Multi-split or VRF may suit more independently controlled zones. Selection depends on real loads, available space, comfort and noise requirements, future expansion and total project cost.

From site survey to commissioning

We start by reviewing the property and planning equipment locations, electrical supplies, refrigerant piping or ducts, condensate drainage, controls and access. Installation and commissioning should include the required system-specific checks, such as leak testing, evacuation and functional verification where applicable. Refrigerant work must be carried out by appropriately qualified personnel under applicable regulations.

Can ducted AC be installed in an apartment?

It may be possible, but the answer depends on ceiling voids, airflow paths, drainage, outdoor-unit placement and any building or community restrictions. We need to assess the apartment before recommending a system.

Discuss your ducted AC or VRF project ↗

Common technical question

Which air conditioning system is suitable for a villa, house or apartment?

The choice between split, ducted and VRF systems depends on calculated loads, noise limits, available space and installation constraints. Sizing must be based on the actual property.

ONTECHNIC / COSTA DEL SOL

Let’s shape what’s next.

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