Diamond Building Solutions is a trusted HVAC contractor based in Toronto, Ontario.
We specialize in condo heating and cooling systems including fan coil units, heat pumps, and ductless splits. Our mission is to deliver efficient, reliable service with long-term comfort in mind.
At Diamond Building Solutions, we’re more than just an HVAC company. Based in Toronto, we specialize in condo HVAC systems, including fan coil units, ductless splits, and heat pumps. With over 10 years of experience, our mission is to deliver reliable service, fast turnaround times, and total comfort.
We proudly stand behind every job we do. If you’re not completely satisfied, we’ll do everything we can to make it right. We’re committed to quality, transparency, and long-term trust.
All of our HVAC technicians are fully licensed, WSIB-covered, and certified to work on residential and condo units. We follow Ontario code requirements and work safely and professionally every time.
We offer same-day or next-day response for most calls in the GTA. Whether you're dealing with no heat, no A/C, or a leaking fan coil — we show up on time and fix it right.
We know the challenges of working in high-rise buildings. From tight service windows to noise restrictions — we specialize in condo fan coil units, ductless splits, and heat pumps with minimal disruption.
No upsells. No hidden fees. You get an honest quote, detailed explanation, and our satisfaction guarantee — or we’ll come back and make it right.
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Your Trusted HVAC Experts
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