Best Quality

Design Quality, Energy Efficiency & Overall Performance
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Commercial HVAC Solutions in Ottawa and Across Ontario

For over four decades, Longhill Energy has become known for its “niche” specialty products in Ottawa and across Ontario. Our commercial HVAC solutions offer advantages in design quality, energy efficiency, as well as overall performance.

Quality Partnerships, Efficient HVAC Products and Reliable Service

We have built an exclusive network of trusted product partners: We partner with reputed global brands to sell and support innovative products in the mechanical heating, ventilation and air conditioning space. Over the years, we have grown to represent nearly thirty world-class manufacturers, with exclusive partnerships in several cases.

Our teams and solutions are completely ROI focused: We pride ourselves on our ability to offer solutions to some of the most challenging building designs, by working closely with consulting engineers, contractors, and owners. Our teams focus on providing clients excellent ROI, based on efficiency, effectiveness, and overall cost of ownership.

We offer technical and application support for a number of commercial HVAC components:

For more information on our extensive range of products and unparalleled customer service and support, call us toll-free at 1-800-461-4558 or contact us online. Our qualified technicians look forward to understanding your requirements and providing appropriate solutions.

Who We Serve

Our Commitment to You

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Building Owner

Heating and cooling solutions to meet your building’s architectural design and air handling challenges, while minimizing energy consumption.  

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Trusted partners for your HVAC installation and upgrade projects—industry leading products and solutions, turnkey system designs, technical expertise.

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Design Engineer

From retrofits to new installations, we work with you to develop real-world solutions that achieve your sustainable HVAC design and operation goals.

Longhill Energy has unparalleled access to many of the world’s leading HVAC manufacturers and their unique technologies.


Our News


Longhill Energy will Welcome Three New Partners to the Company’s Leadership in the New Year

LG Multi V 5 VRF Systems – Advanced Technology Features & Benefits

Longhill Energy Launches New Website