Open Monday-Friday: 8am-5pm
16700 Sideroad 17A, Sunderland, ON L0C 1H0

CUSTOM FABRICATION SERVICES
** Don't Pay Until 2026 on Qualifying Systems **
Harold Heating & Cooling offers premier custom fabrication services tailored to meet the unique HVAC needs of both residential and commercial clients. With precision engineering and expert craftsmanship, our custom fabrication solutions ensure that every aspect of your HVAC system is optimized for efficiency, performance, and fit.


Ductwork Customization
Our expert ductwork customization service is at the core of our custom fabrication capabilities. Proper ductwork design is crucial for maintaining optimal airflow and energy efficiency within any HVAC system. Our team utilizes advanced technology and materials to create ductwork tailored to the specific layout and needs of your building. By ensuring a perfect fit and minimizing leaks, we significantly improve the efficiency of your HVAC system, leading to enhanced comfort, better air quality, and lower energy bills. Our customized solutions are ideal for both new constructions and renovations, adapting seamlessly to the unique challenges of each project.
Specialized HVAC Components
Beyond standard ductwork, our fabrication services extend to a wide array of specialized HVAC components. From custom-made plenums that distribute air more evenly throughout your space to bespoke fittings that ensure tight connections and reduce air leakage, we cater to a variety of needs. We work with various materials and specifications to produce components that meet the exact needs of your HVAC system, ensuring enhanced performance and longevity. This attention to detail and customization allows for a highly efficient system tailored to the specific demands of your environment.
Energy-Efficient Solutions
Our commitment to sustainability drives us to focus on energy-efficient solutions in all our custom fabrication projects. By optimizing the design and material selection for ductwork and other components, we aim to improve the overall efficiency of your HVAC system. This includes creating designs that facilitate smoother airflow, using materials with better insulation properties, and engineering solutions that reduce the need for excessive heating or cooling. These energy-efficient customizations not only contribute to a more sustainable environment but also result in significant cost savings on utility bills over the lifetime of your system.
Collaborative Design Process
We believe in the power of collaboration to achieve the best possible outcomes for your HVAC projects. Our design process involves close consultation with clients, architects, and contractors to ensure that every aspect of the custom fabrication is aligned with the project's overall goals and requirements. This collaborative approach allows us to identify and address potential challenges early, integrate seamlessly with other building systems, and deliver custom solutions that are both functional and aesthetically pleasing. We aim to create HVAC solutions that perfectly complement your space, providing optimal performance and efficiency.
Work with Harold Heating & Cooling



Choosing Harold Heating & Cooling for your custom fabrication needs means partnering with a team that brings unmatched expertise and a dedication to quality. Our state-of-the-art fabrication facility, combined with our experienced technicians, allows us to tackle projects of any size and complexity, delivering results that exceed expectations.

Elevate Your HVAC System with Custom Solutions
Don't settle for one-size-fits-all when it comes to your HVAC system. Custom fabrication services from Harold Heating & Cooling offer the precision, efficiency, and performance your project demands. Whether you're upgrading an existing system or designing a new one from scratch, our custom solutions are designed to meet your specific needs.
Contact us today to discuss your custom fabrication requirements and discover how Harold Heating & Cooling can help you achieve the perfect HVAC solution for your space.