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

COMMERCIAL HVAC SERVICES
** Don't Pay Until 2026 on Qualifying Systems **
Harold Heating & Cooling offers a comprehensive suite of HVAC services tailored to meet the unique needs of commercial clients. Our expert team is equipped to deliver top-tier heating, cooling, and air quality solutions to businesses of all sizes. We also carry an extensive range of Carrier products. From installation and maintenance to repair and custom fabrication, we ensure your commercial space remains comfortable, energy-efficient, and healthy throughout the year.


Heating Solutions
Keep your commercial premises warm and welcoming during the cold months with our specialized heating services. We offer a variety of heating systems, including high-efficiency furnaces, boilers, and heat pumps tailored to your specific commercial needs. Our team is skilled in designing and installing heating solutions that provide consistent, comfortable temperatures across your entire space, ensuring energy efficiency and cost-effectiveness. Regular maintenance and timely repairs extend the life of your heating system, reducing downtime and saving on operational costs.
Cooling Solutions
Our cooling solutions are designed to offer relief from the summer heat, ensuring your commercial property remains a cool haven. We provide comprehensive services for a variety of air conditioning systems, including centralized units for larger spaces and ductless mini-splits for targeted cooling. Our experts work with you to identify the most effective cooling strategy, balancing efficiency with performance to keep your space comfortable and energy bills low. From initial installation to ongoing maintenance and repairs, we ensure your cooling system performs at its best.
Indoor Air Quality
Indoor air quality is crucial for a healthy and productive commercial environment. Our air quality services include state-of-the-art air purifiers and filtration systems that remove pollutants, allergens, and pathogens from the air. We also offer humidity control solutions to maintain the ideal moisture level, preventing mould growth and ensuring comfort. Enhancing indoor air quality can improve health and increase employee and customer satisfaction, contributing to a more pleasant and productive workplace.
Geothermal Systems
Leverage the power of the earth with our geothermal heating and cooling solutions. Ideal for commercial properties looking for sustainable, long-term energy savings, geothermal systems use underground temperatures to provide efficient heating in the winter and cooling in the summer. Our team specializes in installing and maintaining these systems, offering a green alternative that significantly reduces energy costs and minimizes environmental impact.
Custom Fabrication
Unique commercial spaces require customized HVAC solutions. Our custom fabrication services ensure that every component of your HVAC system, from ductwork to specialized fittings, is precisely engineered to fit your space. Custom fabrication allows for optimized airflow, enhanced system efficiency, and a perfect fit within your commercial property, ensuring that your HVAC system meets your specific needs without compromise.

Partner with Harold Heating & Cooling for Your Commercial HVAC Needs
At Harold Heating & Cooling, we understand the importance of a reliable, efficient HVAC system for your business. Our comprehensive commercial HVAC services are designed to meet your needs, ensuring a comfortable, healthy, and productive environment for everyone in your commercial space.
Contact us today to explore our commercial HVAC solutions and find out how we can help elevate your business environment.