Diamond Air
HVAC contractor in Richmond Hill, ON.
In Diamond Air's own words
Diamond Air. Professional and affordable HVAC company that provide services on heating and cooling system for residential homes in Richmond Hill. Our category of HVAC services follows as furnace repair, furnace installation, furnace maintenance, air conditioner repair, air conditioner installation, air conditioner maintenance, thermostat & humidifier installation. Our goal is to provide top tier service as it gets quite difficult finding the right & trustworthy company to service your heating and cooling system. Our team will work with you to find the right solution for your budget and home in-terms of repair or installation.
- Trade
- HVAC contractor
- Business address
- 1595 16th Ave #301, Richmond Hill, ON L4B 3N9, Canada
- Telephone
- (905) 392-1546
- Website
- diamond-air.ca
- Hours
-
- Monday7:30 am - 11:30 pm
- Tuesday7:30 am - 11:30 pm
- Wednesday7:30 am - 11:30 pm
- Thursday7:30 am - 11:30 pm
- Friday7:30 am - 11:30 pm
- Saturday7:30 am - 11:30 pm
- Sunday7:30 am - 11:30 pm
From the business's Google listing, checked Oct 2026
- Register
- ON register
Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the provincial licensing body.
Google Reviews
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Diamond Air was amazing they had my ac fixed the same day when I called in the morning! Great service overall, friendly and knowledgeable staff. Highly recommend.
Sadaf K.
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I had a great experience with Diamond air fast service and great price. Very knowledgeable technician, thank you Moe and Diamond air for your quick and efficient ac repair service!
Hooman T.
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I had a fantastic experience with Moe who came late on a Sunday evening to diagnose and repair our a/c unit. He was professional, knowledgeable and courteous. He solved the problem in a very timely and responsive manner during one of the hottest days of the year! 5 Stars!
Derrick M.
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I’m very happy with the ac repair done by Diamond Air, a technician came in reasonable time and had my ac fixed! Very friendly service and great price. I would highly recommend this company to anyone looking for any repairs for ac.
Negi G.
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Moe, thanks for repairing my furnace, you did a great job.
Philip Y.
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I had a great experience with Diamond Air, I had a faulty furnace which they accurately diagnosed and resolved within a fast time Frame to help me in a time of need of my furnace. I wouldn’t recommend them enough. This is the contractor I would trust and try on time and time again. 5 Stars !!!!
Faraz K.
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The best service and execution, will definitely recommend
k M.
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Very satisfied with their ac repair service, In extreme heat wave I was surprised that a technician was still able to come and fix my ac!
Roozbeh P.
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I had great experience with diamond air! Got new AC with them, the installation crew are very friendly, kind and knowledgeable. Highly recommend their service if anyone is in need for ac or furnace.
Minoo M.
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My furnace and AC were in need of upgrade and I had Moe from Diamond Air come in for an estimate. I’m very satisfied with the installation and overall service from him and his team. I highly recommend them for anyone upgrading their furnace or air conditioner!
Rooz T.
About Diamond Air
Residential heating and cooling in Richmond Hill
Diamond Air specializes in residential heating and cooling systems. The company says it provides furnace repair, furnace installation, and furnace maintenance, alongside air conditioner repair, installation, and maintenance. It also handles thermostat and humidifier installations. Diamond Air names several major brands it services, including Rheem, Ruud, Lennox, Armstrong, Carrier, York, Goodman, Amana, and Ducane.
Its technicians offer same day HVAC repair and 24/7 support. For repairs, it provides a warranty on parts and labor. The business has over 10 years of experience in the field. Richmond Hill has average high temperatures of 12.6°C and average lows of 3.2°C, according to Environment Canada normals.
Service reliability and ratings
Reviewers frequently mention the speed of service, specifically noting same day responses for air conditioning repairs during heat waves. Some feedback highlights the professionalism of the technicians and the effectiveness of the furnace diagnostics.
The company operates every day of the week from 7:30 am to 11:30 pm.
Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from Statistics Canada and Environment Canada.
More HVAC contractors in Richmond Hill
About Richmond Hill
| Population | 202,022 (2021) |
|---|---|
| Average yearly snowfall | 150.6 centimetres |
Sources: Statistics Canada, 2021 Census. Environment and Climate Change Canada, Canadian Climate Normals 1981-2010.