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HVAC design: comfort, air quality and efficiency
The HVAC design defines heating, ventilation and air conditioning for a building, for comfort and good air quality with the lowest possible consumption. We design and review heating, ventilation and air conditioning systems according to the building, its intended use and the client's goals.
End-to-end HVAC
We develop complete HVAC installation projects for new construction and refurbishment, covering all disciplines.
Heating
Boilers, heat pumps, underfloor heating, radiators, solar thermal systems.
Ventilation
Mechanical ventilation systems, AHUs, heat recovery, car park and kitchen ventilation.
Air conditioning
VRF/VRV systems, chillers, split and multi-split units, chilled-water systems, free-cooling.
Indoor air quality
Sizing of fresh-air flow rates, filtration, CO2 monitoring and humidity control.
Centralised Technical Management
Integration of HVAC systems with remote management and monitoring platforms (BMS).
Energy efficiency
Selection of equipment with high efficiency ratings (EER, COP, SEER), optimisation of air-side and water-side networks.
How we work
From requirements analysis to commissioning, we follow a rigorous, documented methodology.
Requirements gathering and analysis
We meet with the client, architect and other designers to understand the functional programme and the building's constraints.
Thermal calculation and sizing
We calculate thermal loads for each space using dynamic simulation software, then determine flow rates and power, and size the networks.
Design development
We prepare the execution design with all written and drawn documents, including plans, schematic diagrams and technical specifications.
Site support and review
We follow the construction phase, clarify installation queries and verify that execution complies with the design.
Commissioning
We take part in installation acceptance tests, checking flow rates, temperatures, pressures and noise levels.
Regulatory requirements
What you gain with Afazeres Curiosos
Thermal comfort
Each space is sized for real conditions of use, to reduce complaints of cold, heat or poor air flow.
Controlled running costs
Efficient equipment and optimised sizing to avoid oversizing, which increases both investment and consumption.
Regulatory compliance
We identify the regulatory requirements applicable to the scope of the project.
Integrated coordination
We coordinate HVAC with the electrical, telecommunications and fire safety (SCIE) systems in the design, to identify clashes between disciplines.
We also review designs in this discipline produced by other designers. See how design review works →
Frequently asked questions about HVAC design
What is an HVAC design?
It is the discipline design that sizes and draws heating, ventilation and air conditioning systems: equipment, ducts and pipes, air renewal and controls. It starts from the intended use of the building and the client's comfort and energy efficiency goals.
Is an HVAC design mandatory for a house?
It depends on the works and the systems planned. When the municipality requires this discipline for licensing, or when sizeable heating, cooling and ventilation systems are installed, the design is needed. At the start we confirm what your municipality and your works require.
Which HVAC system should I choose for a house?
It depends on insulation, local climate, how rooms are used and the energy available. Heat pumps, underfloor heating, fan coils and mechanical ventilation with heat recovery are common options; the design compares them and recommends the best balance of comfort, cost and consumption.
How much does an HVAC design cost?
It depends on the size and type of building, the scope required and the level of detail. We prepare the proposal after receiving the documents (architecture, intended use and comfort goals), to make sure what we propose fits what you need.
How do I request a proposal or contact you?
You can request a quote or an online consultation in the Client Room, write to geral@afazerescuriosos.pt, call +351 21 145 1077, message us on WhatsApp or book a preliminary call to frame your request.