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Find air conditioning repair pros in Hamilton

When your air conditioning breaks down, it can be stressful trying to find the right pro to fix it. That’s where HomeStars steps in: through our convenient all-in-one platform, we connect you with available pros who are ready to take on your repair project! Compare quotes, read reviews, and make the hire, all in the same place.

A worker uses a wrench to fix joints and copper piping in an air conditioning unit.

Some of our top rated air conditioning repair specialists in Hamilton

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  • Air Conditioning Repair Specialist in Hamilton

    Experienced HVAC professional specializing in residential service and installations. Skilled in furnace and AC diagnostics, electrical troubleshooting, refrigeration handling, and system performance optimization. Operates a fully equipped service van and manages tools, equipment, and business operations independently. Strong understanding of: • Furnace and air conditioning systems • Electrical diagnostics and control wiring • Refrigeration tools and procedures • Job site efficiency and safety Focused on delivering reliable service, practical solutions, and professional workmanship.

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  • Air Conditioning Repair Specialist in Hamilton

    Luka is the founder of Dinamo HVAC, providing residential HVAC services across the Greater Toronto Area. As a licensed and insured gas technician, he built the company around transparency, accurate diagnostics, and fair pricing—without pressure or upselling. Luka focuses on solving the problem rather than pushing unnecessary replacements and takes the time to explain options clearly so clients can make informed decisions. When you work with Luka, you’re dealing directly with the technician responsible for the work, not a salesperson or a middleman. That accountability is central to how Dinamo HVAC operates and is why many clients return for ongoing service and maintenance.

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  • For over 40 years, Oosterveld Heating & Air Conditioning has been the cornerstone of reliable HVAC services in Guelph, Ontario. As a family-owned and operated business, we are committed to ensuring your home's comfort with our extensive range of heating, cooling, and indoor air quality solutions. At Oosterveld, we prioritize homeowners' needs above all else. Our certified HVAC technicians stand ready 24/7, 365 days a year, including weekends, holidays, and after-hours, all at no additional cost to you. Whether you require urgent repairs, routine maintenance, or a new system installation, we guarantee prompt and professional service tailored to your unique requirements. We offer expertise in Lennox-branded home comfort products, providing comprehensive support from product selection to installation and ongoing maintenance. We also offer competitive pricing and flexible financing options for new HVAC installations in Guelph and surrounding communities. Experience the difference with Oosterveld Heating & Air Conditioning and discover true peace of mind in your home's HVAC system. Contact us today to schedule your consultation and receive a free service quote!

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  • Air Conditioning Repair Specialist in Hamilton

    At Top Comfort, we are dedicated to keeping your home comfortable all year round. As a licensed and insured residential HVAC company, we specialize in the installation, repair, and maintenance of furnaces, air conditioners, heat pumps, water heaters, gaslines and ductless systems.

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  • Air Conditioning Repair Specialist in Hamilton

    Dependable Appliance Repair Experts We at Compass Appliance Services Inc or making sure our customers are making a solid investment of your trust, time, and money. We have been faithfully serving customers for over 20 years, providing exceptional services for years, we have built a reputation for being dependable, high-quality services. We're committed to providing our customers with quick turnaround times and top-quality workmanship. Quick, Reliable Service At Compass Appliance Services, we know that your time is valuable. This is why our technicians work around your schedule and not the other way around morning, Afternoon, or Evening? We’ll see you there. Our entire team is committed to your 100% satisfaction, so you can rest easier. Manufacturer’s Warranty Service offers a full manufacturer’s warranty on all parts. The workmanship of our trained technicians is also guaranteed to be of excellent quality. We offer outstanding service that you will want to refer to a friend. We are mainly operating in Toronto, Etobicoke, Mississauga, Brampton, Oakville, North York, Scarborough.

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  • Air Conditioning Repair Specialist in Hamilton

    Hi, I’m Ashley, your local HVAC expert based in Brampton. With over 10 years of hands-on experience, I specialize in installing, repairing, and maintaining high-efficiency air conditioning systems, furnaces, heat pumps, and tankless water heaters. I’m fully licensed, insured, and committed to delivering honest, high-quality work you can rely on. Whether you need a new AC installed fast or want advice on energy-efficient options, I’m here to help — with fair pricing, same-day service (when available), and clean, professional results every time

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  • Air Conditioning Repair Specialist in Hamilton

    Ask yourself when was the last time a technician gave you a print out of your combustion analysis or posted it on your furnace? If you’re not testing your guessing. Equipment these days doesn’t last longer than 10 years and everyone says they don’t make them like they used to… wrong, it’s not installed and commissioned properly, if it was they can last a lifetime. What you get with us is: Combustion Analysis for proper fuel combustion, airflow adjustment and static pressure test, both intake and exhaust piping, testing port on flue pipe, neutralizer, surge protector and proper gas sizing for upgrades to tankless which is imperative to proper operation. Look at any other ad and you won’t see any of the things listed. 1 year full parts and labour warranty followed by manufacturer warranty and free maintenance on your furnace and air conditioner after one year even if your only get one unit. Get it done right because you can never fix the damage done once a unit starts up miscalibrated. We only install top of the line modulating, variable speed furnaces, quietest and most efficient on the market.

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  • Air Conditioning Repair Specialist in Hamilton

    Beyond HVAC is a residential heating and air conditioning company operating in the Greater Toronto Area (GTA). To us, each project we undertake is more than just another HVAC job. We use only top-quality brands and materials and take genuine pride in the quality of our work and attention to detail. Our technicians are licensed and certified by the Technical Standards & Safety Authority (TSSA) and Skilled Trades Ontario (STO). We want our customers to be 100% satisfied with our services and to offer them peace of mind with warranties lasting up to 10 years, depending on the project. Integrity is the foundation of our business, and earning our customers’ trust is essential to our success. We understand that and do all we can to protect that trust and build long-term relationships with everyone we serve.

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  • Air Conditioning Repair Specialist in Hamilton

    At Maple Leaf Home Solutions, we may be a newer company—just 1 year in business—but our team brings over 15 years of hands-on experience in the HVAC industry. We’ve worked on a wide range of residential and commercial projects, from simple home furnace repairs to full heating and cooling system installations in large buildings. We proudly serve Mississauga and surrounding areas, offering reliable and efficient HVAC solutions tailored to your needs. Our expertise includes heating and cooling system installation, maintenance, repairs, ductwork, and energy-efficient upgrades. What sets us apart is our commitment to quality, honesty, and customer satisfaction. We treat every home like it’s our own, and we never cut corners. With deep knowledge of HVAC systems, industry certifications, and a true passion for the trade, we make sure the job is done right the first time. Choose us for your next HVAC project and experience friendly service, expert advice, and dependable results. We’re not just here to fix a problem—we’re here to build trust and keep your home comfortable year-round.

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  • Air Conditioning Repair Specialist in Hamilton

    professional install AC/Furnace/Gas works/Heat pump/Air Handler/In-floor heating/Snow melt/Ductless mini split

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  • Air Conditioning Repair Specialist in Hamilton

    From leaks to blockages, BOS Plumbing & Drains keeps your home flowing smoothly 💧 Same-day plumbing, 24/7 emergency service, and customer-focused care you can always count on.

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  • Air Conditioning Repair Specialist in Hamilton

    We deliver best work and complete the job for full satisfaction.

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  • Air Conditioning Repair Specialist in Hamilton

    Transform your bathroom into a modern, functional, and beautiful space with our professional washroom renovation services. We specialize in complete bathroom remodeling, including demolition, drywall, tiling, waterproofing, vanity installation, flooring, lighting, painting, and custom finishes. Our team is committed to delivering high-quality workmanship, attention to detail, and reliable service for every project—whether it’s a small upgrade or a full luxury renovation. We work closely with homeowners to create stylish and practical bathrooms that match their vision and budget. Serving homeowners across Ontario, we take pride in completing projects on time, maintaining clean workspaces, and ensuring customer satisfaction from start to finish.

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  • Air Conditioning Repair Specialist in Hamilton

    We specialize in reliable, high-quality HVAC services for residential and commercial customers. From installation and maintenance to repairs and emergency service, our certified technicians are committed to keeping your home or business comfortable year-round. We work with all major heating and cooling systems, including furnaces, air conditioners, heat pumps, and ventilation systems. Whether you need a seasonal tune-up, a system upgrade, or fast repairs, we deliver efficient solutions tailored to your needs and budget. Customer satisfaction is our top priority. We pride ourselves on honest pricing, prompt service, and expert workmanship you can depend on. Services include: • Furnace installation & repair • Air conditioning installation & repair • HVAC system maintenance & tune-ups • Heat pumps & ductless systems • Indoor air quality solutions • Emergency HVAC services

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  • Air Conditioning Repair Specialist in Hamilton

    We at Kewal building systems specialize in all your HVAC needs ranging from furnace, AC, water heater to gas ovens , gas dryers, gas BBQs and more. Please do call us to get our expert opinion on all your service or installation needs. We run a schedule so that we can help our customers all 7 days of the week not just through the week but the weekends as well.

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  • Air Conditioning Repair Specialist in Hamilton

    At BnT Mechanical Systems, we specialize in providing reliable heating, ventilation, and air conditioning services across Ontario. We are committed to delivering quality, reliable, cost-efficient solutions and great customer service. Services Include: - Commercial & Residential HVAC Solutions - Custom Duct Work & Installation - Refrigeration Services - Gas Line Services - etc. Whether it's upgrading HVAC systems, servicing commercial kitchens, or ensuring efficient refrigeration, our skilled professionals are here to get the job done right.

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4.6

Top rated Air Conditioning Repair Specialists

Our Air Conditioning Repair Specialists in Hamilton, are rated 4.6 out of 5 based on 9 reviews from homeowners like you.

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What services are available for air conditioning repair in Hamilton?

Whether for a central air system, a ductless setup, or otherwise, there are pros who can help you with several kinds of AC repairs in Hamilton. The air conditioning repair service you’ll need will depend on your air conditioning setup and the specific repair.

Here are some of the most common services carried out by pros who offer AC repairs in Hamilton:

  • Refrigerant leak detection and recharge: Identifying and sealing leaks, then restoring refrigerant levels to keep your system cooling effectively
  • Compressor repair and replacement: Diagnosing and fixing compressor issues, which are among the most common causes of a system that runs but fails to cool
  • Electrical and thermostat repairs: Fixing faulty wiring, capacitors, contactors, or thermostats that prevent your system from starting or running properly

No matter your air conditioning needs, it’s easy to find someone who can help in Hamilton. Just post your project on HomeStars now, and available contractors in your area can register their interest!

What are the average costs of air conditioning repair in Hamilton?

When budgeting for air conditioning repair in Hamilton, costs can range from under $200 for minor electrical fixes to over $2,500 for a compressor replacement. What you'll pay depends largely on the type of repair, the age of your system, and whether parts need to be ordered.

Typical costs for common air conditioning repair services in Hamilton:

  • Refrigerant leak detection and recharge: between $200 and $500, though older units using phased-out refrigerants can push costs higher
  • Costs for AC compressor repair and replacement: repairs generally range from $1,000 to $2,500 depending on the unit size and whether parts are covered under warranty
  • Electrical and thermostat repairs: typically fall between $150 and $400 for most electrical components, while thermostat replacement generally runs $150 to $300
  • Emergency repairs: several models are used to calculate emergency or after-hours surcharges but generally range from around $75 to $350 depending on the repair

HomeStars tip: To ensure you get the most accurate costs for Hamilton, make sure to get everything written down in an itemized quote. This avoids misunderstandings and supports transparency and clear communication for both you and the contractor.

How to find services for air conditioning repairs in Hamilton with HomeStars

Finding an available pro to help with AC repairs in Hamilton can be time-consuming and stressful. Leave it to HomeStars to make it easier for you! We connect you with available and eager AC repair pros ready to take on your project. To get started, just follow these simple steps:

  1. Start by posting your project. Provide a clear description of your air conditioning repair needs and, if possible, include photos to get precise quotes.
  2. Receive offers from available pros, review work history, and read customer feedback for AC repairs in Hamilton.
  3. Connect with AC repair pros in Hamilton to discuss your project, request and compare quotes, and ask any questions.
  4. Hire the right pro to get the job done and leave a review based on your experience.

HomeStars tip: Once your project is done, make sure to leave a review. Our review system ensures that pros are rewarded for good work and held accountable for any problems.

Pros on HomeStars undergo checks at registration – such as ID documents, company details, and certifications for regulated jobs and skill assessments – allowing you to hire with confidence.

Extra peace of mind with the HomeStars Confidence Program

The HomeStars Confidence Program is designed to give you added confidence when hiring through our platform. If your job qualifies under the Program and we determine that a claim meets the Program requirements, HomeStars may cover what you owe the Pro on an eligible job with a quote of up to CAD $10,000, in line with our terms and conditions.

FAQ: Common questions about air conditioning repair services in Hamilton

Are air conditioning repair pros in Hamilton insured and licensed?

In Hamilton, AC repair pros should hold a valid HVAC licence and carry both liability insurance and workers' compensation coverage. This is especially important for any work involving refrigerants, which are regulated under federal law. Before committing to a pro, ask for proof of both, and don't skip this step just because the repair seems minor.

Do air conditioning repair pros in Hamilton need a permit?

For most repair work in Hamilton, a permit isn't required. However, if the repair involves replacing a major component like a compressor, or any work that touches refrigerant lines or electrical systems, some municipalities may require one. Your pro should know the local rules and flag this upfront if it applies to your job.

How do I know if my air conditioner needs a repair or full replacement?

A good rule of thumb is to weigh the cost of the repair against the age of your unit. If your system is more than 10 to 15 years old and the repair costs more than half the price of a new unit, replacement is often the better investment.

Recurring breakdowns, rising energy bills, and uneven cooling are all signs that your system may be nearing the end of its life. If you're unsure, post your job on HomeStars to get quotes from air conditioning pros in Hamilton who can assess your system and help you make the call. You can also check out our guide to central air conditioner costs if you ultimately need a full replacement.

Can an air conditioning repair pro in Hamilton also handle my heating needs?

In most cases, yes. Air conditioning repair pros in Hamilton are often HVAC contractors who are just as comfortable working on your heating system as your cooling one. If you need someone to handle both, HVAC contractors in Hamilton on HomeStars are a good place to start, as many pros offer full heating and cooling services under one roof.

You can also take a look at our guide to heating and cooling costs to get a sense of what a combined project might run you.

Do air conditioning repair pros in Hamilton handle cleanup after the job?

For most repair calls in Hamilton, there isn't much to clean up, but a good pro should leave your space the way they found it. If a major component is being replaced, confirm upfront whether old parts and packaging are included in the removal or if there's an additional disposal fee.

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