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ACM Mechanical Inc

HVAC Companies in Oakville, Ontario

Ranked #1 in Oakville | Grade A+

ACM Mechanical Inc

HVAC service for Oakville, Ontario homes and small businesses, including diagnostics, repairs, replacements and seasonal maintenance. Known locally for prompt response and clear explanations.

Why Homeowners Choose This Business

Local Oakville, Ontario technician with a reputation for fast response, thorough diagnostics and straightforward advice. Work areas are kept tidy and systems are explained before and after service so you know what was done and why.


Service Area

Serving Oakville, Ontario and nearby communities in Halton and the west GTA.

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How This Business Compares

A quick local comparison based on review strength, business detail, and local service fit.

  • Ranks among the top local businesses in this market.
  • Performs at or above the local average rating.
  • Shows strong customer satisfaction signals based on review quality and volume.

Trust Signals

Available daily 7:00 AM – 9:00 PM; rapid response for urgent heating, gas and hot water issues.

Services Covered

Renovation Services Supplier Furnace Repair Air Conditioning Repair Maintenance Water heater service Humidifier Installation Installations Gas Line and Venting Repairs HVAC Maintenance Condensation and Drain Fixes Thermostat Replacement Duct and Vent Termination Emergency HVAC Calls Heat Recovery Ventilation AC Installation

Heating and furnace repair and replacement; air conditioning service and installation; water heater diagnosis and replacement; humidifier installation and maintenance; gas line and vent terminations; ventilation and condensation fixes; seasonal tune-ups and safety checks.

Reviews

Customer Reviews

Juliet Enns

Andrew was absolutely amazing to work with. We called with an emergency gas leak in our house and he came over right away and dealt with the issue in an efficient manner. He took care of all the details, paperwork with Enbridge and made s…
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Andrew was absolutely amazing to work with. We called with an emergency gas leak in our house and he came over right away and dealt with the issue in an efficient manner. He took care of all the details, paperwork with Enbridge and made sure that everything was to code. We would highly recommend him and would use his services again anytime. He was AMAZING!

Sid Mistry

Our hot water heater broke down. Andrew came the next day and diagnosed the issue. Very nice guy who gives appropriate advice. Hardworking and quotes are also reasonable. Will definitely reach out to them for future hvac needs.

Antonella Tigerlover

10 stars. Andrew is amazing. He is extremely knowledgeable and professional with any HVAC issues. I needed a new outside termination as I was getting water in my basement from the condensation. I also needed to replace some of the aluminum…
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10 stars. Andrew is amazing. He is extremely knowledgeable and professional with any HVAC issues. I needed a new outside termination as I was getting water in my basement from the condensation. I also needed to replace some of the aluminum pipe . He did an amazing job. He recommended I replace the outside termination with an aluminum one due to my dryer being gas, whereas other HVAC contractors I contacted never did. It’s obvious he truly cares about his customers. I asked him if he could take a look at a few other issues I had and he made amazing recommendations. His fees are very fair. I appreciate the help and insight and I recommend him for all your HVAC needs. Again, thanks so much Andrew!!!

Marie Braz

Andrew came out on the coldest day of the year when my furnace died. He showed me how to get it going manually while I waited for the installation of a new furnace 3 days later. During that installation and beforehand, Andrew answered a mul…
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Andrew came out on the coldest day of the year when my furnace died. He showed me how to get it going manually while I waited for the installation of a new furnace 3 days later. During that installation and beforehand, Andrew answered a multitude of questions I had about what to look for in a new furnace and what I needed to know to make an informed purchase. He stayed in touch during the installation (by a different company) and also afterwards to see if I had any further questions. Would I recommend Andrew and his company? Absolutely.

M Kamala

ACM Mechanical installed my Aprilaire humidifier and premium valve. Andrew was polite and professional. The work was clean, and everything is working well. He explained how to use the system and answered my questions. I’m happy with the ser…
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ACM Mechanical installed my Aprilaire humidifier and premium valve. Andrew was polite and professional. The work was clean, and everything is working well. He explained how to use the system and answered my questions. I’m happy with the service and would recommend ACM Mechanical.

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Special Offers

Emergency Service

Emergency service may be available for urgent issues.

Frequently Asked Questions

What HVAC issues do you handle most often?

Common calls include no-heat furnace problems, air conditioner failures, water heater breakdowns, humidifier installs, and vent or condensation issues. The technician assesses the system, explains the cause, and outlines repair or replacement options before any work proceeds.

Do you offer help with gas leaks or gas appliance venting?

Yes, service includes troubleshooting suspected gas issues and correcting venting or termination problems. Coordination with utility providers can be handled as needed to ensure code compliance and safety.

Can you replace humidifiers or fix indoor humidity problems?

Humidifier installation and maintenance are available, including setup, valve replacements and walkthroughs on how to operate the system. Recommendations focus on proper sizing and placement to improve comfort and protect finishes.

What should I do if my furnace fails on a very cold day?

If it’s safe, turn the system off and on at the switch, check filters and the thermostat, and note any error codes. Call for service promptly; you’ll get guidance on interim steps and a plan for repair or replacement if needed.

Do you provide written estimates before work starts?

Yes, you can expect clear, itemized pricing and an explanation of the recommended work. The technician will review options so you can choose the approach that fits your needs and budget.