Custom HVAC Design & Build for Your Unique Property
Get a perfectly tailored HVAC system designed specifically for your property’s unique requirements, layout, and comfort goals.
Custom HVAC Design & Build Services for Auckland, Northland & Waikato
Every property is unique, and one-size-fits-all HVAC solutions rarely deliver optimal comfort and efficiency. Sona Air specialises in custom HVAC design and build projects, creating systems tailored to your specific property, requirements, and goals.
From initial concept through to final installation and commissioning, we work collaboratively with you to design a system that delivers the comfort, efficiency, and reliability you expect. Our IQP-registered technicians combine technical expertise with creative problem-solving to deliver exceptional results.
We specialise in both wood-burning and gas fireplace installations, handling everything from initial design consultation through to final installation and ongoing maintenance. Our experienced technicians ensure your fireplace operates safely, efficiently, and reliably.
Our Design & Build Solutions

Custom HVAC Design
We conduct thorough property assessments, analyse your heating and cooling requirements, and design customised HVAC solutions optimised for your specific needs. Our designs balance comfort, efficiency, and budget.

Multi-Zone Systems
For properties requiring different temperatures in different areas, we design and install multi-zone systems that provide independent control and optimal comfort throughout your property.

Integration with Existing Systems
We design new HVAC systems that integrate seamlessly with existing building infrastructure, minimising disruption and maximising efficiency.

Energy-Efficient Design
Our designs prioritise energy efficiency through proper system sizing, smart controls, and strategic equipment placement. We help you understand the long-term energy savings of optimised design.

Full Installation & Commissioning
Our technicians execute the design with precision, conduct comprehensive testing, and commission your system to ensure it performs exactly as designed.
Premium HVAC services for homes, businesses, and developers across Auckland, Northland, and Waikato, delivered with craftsmanship, reliability, and care.
5.0
Google Rating
Rated 5.0 stars on Google by our satisfied customers for professional service, quality workmanship, and exceptional customer care.
IQP Registered
Our IQP Registration demonstrates our commitment to professional excellence, industry compliance, and the highest standards of safety and quality in all our work.
Environmentally Conscious
We are committed to sustainable practices, using energy-efficient solutions and eco-friendly products to reduce environmental impact while ensuring reliable performance for your home or business.
As Industry Experts - This is how We Deliver Superior Installation Results and Guarantee
Selecting a heat pump is a long-term investment in the comfort of your property. Choose wisely to avoid a decade of discomfort, inefficiency, and high energy costs.
Servicing the Auckland, Northland and Waikato areas, Sona Air has a forward-thinking approach to the industry. We contract to supply and install, service and maintain all makes and models of HVACR to keep them running for years to come.
Our quality of work is our best value to you. It is second to none and by choosing us you are guaranteed a perfectly executed job, on time and on budget.
At Sona Air we have an affordable solution for all our customers.
Why a Professional Installation Matters
Servicing the Auckland, Northland and Waikato areas, Sona Air has a forward-thinking approach to the industry. We contract to supply and install, service and maintain all makes and models of HVACR to keep them running for years to come.
Our quality of work is our best value to you. It is second to none and by choosing us you are guaranteed a perfectly executed job, on time and on budget.
At Sona Air we have an affordable solution for all our customers.
Get Perfect Climate Control Solution for Your Home or Office
Servicing the Auckland, Northland and Waikato areas, Sona Air has a forward-thinking approach to the industry. We contract to supply and install, service and maintain all makes and models of HVACR to keep them running for years to come.
Our quality of work is our best value to you. It is second to none and by choosing us you are guaranteed a perfectly executed job, on time and on budget.
At Sona Air we have an affordable solution for all our customers.
Providing HVAC solutions and comfort for every home and business in New Zealand.
Why Choose Sona Air for Design & Build?
Design Expertise
Our team combines technical knowledge with creative problem-solving to design systems that deliver optimal comfort and efficiency.
Collaborative Approach
We work closely with you throughout the design process, ensuring your vision and requirements are reflected in the final system.
Quality Execution
Our IQP-registered technicians execute designs with precision, ensuring the installed system performs exactly as designed.
Long-Term Performance
We provide comprehensive support to ensure your custom system delivers the comfort and efficiency benefits you expect for years to come.
Our Design & Build Process
1
Comprehensive Assessment
We conduct detailed property assessments, analyse your comfort requirements, and discuss your goals and budget priorities.
2
Custom Design Development
Based on your requirements, we develop a customised HVAC design optimised for your property. We present design options and discuss trade-offs between comfort, efficiency, and cost.
3
Professional Installation & Commissioning
Our technicians install your custom system with precision, conduct thorough testing, and commission the system to ensure optimal performance.
Servicing the Auckland, Northland and Waikato areas, Sona Air has a forward-thinking approach to the industry. We contract to supply and install, service and maintain all makes and models of HVACR to keep them running for years to come.
Our Partners
Frequently asked questions
More Questions ?
Why should I invest in custom HVAC design instead of a standard system?
Custom design ensures your system is optimised for your specific property, requirements, and goals. Standard systems often over-size or under-size for your needs, resulting in poor comfort, wasted energy, or inadequate performance. Custom design delivers superior comfort and efficiency.
How long does the design and build process take?
Timeline depends on project complexity. Simple projects may take 2-4 weeks from design to installation. Complex commercial projects may take 2-3 months. We provide detailed timelines during the initial consultation.
Can you design systems for renovation projects?
Yes. We specialise in designing HVAC systems for renovation projects, integrating new systems with existing building infrastructure whilst minimising disruption.
How much does custom HVAC design cost?
Design costs depend on project complexity. We provide transparent quotes upfront. Many clients find that the improved comfort and efficiency justify the design investment many times over.
Are you fully qualified and accredited?
Yes, our engineers hold IQP Registration, demonstrating expertise and commitment to professional standards in the HVAC industry. We maintain the highest levels of competency and safety in all our work.