Some of our top rated air conditioning repair specialists in Sheffield, Ontario
Sort by:
- Get in touch
At CMS Heating & Cooling, we specialize in a full range of HVAC, refrigeration, and mechanical services for both residential and commercial clients across Southern Ontario. With nearly a decade of industry experience, we are committed to delivering exceptional service, superior workmanship, and long-lasting solutions tailored to our customers' needs. As a family-owned business, we bring our core values into everything we do. Honesty, integrity, and respect are at the heart of every customer interaction, ensuring a professional and trustworthy experience. We understand that your home and business are the foundation of your daily life, and our mission is to provide reliable, high-quality service that keeps your spaces comfortable and efficient year-round. CMS Heating & Cooling – Our family, helping yours.
- Get in touch
We provide reliable residential heating and cooling services with a focus on quality workmanship and customer satisfaction. We specialize in furnace, air conditioner, heat pump, thermostat, humidifier, HRV, and indoor air quality installations, repairs, and maintenance. We offer honest pricing, timely service, and dependable solutions to keep your home comfortable year-round.
- Get in touch
At Atlas comfort systems, we specialize in heating,cooling indoor air quality, and whole home water filtration
- Get in touch
Best of Newly Listed 2025
At Ultimate Gas Services, we are dedicated to delivering reliable, high-quality HVAC, gas fitting, and air conditioning solutions. As fully licensed and certified technicians, we proudly serve Burlington, Oakville, Hamilton, and Milton, offering expert installation, maintenance, and repair services tailored to both residential and commercial needs. Whether you're dealing with a heating system or cooling unit, our skilled professionals provide safe, efficient, and timely service—every time. Book a request at ultimategasservices
- Get in touch
CNA Enterprises Inc. provides professional HVAC, gas, home repair and renovation services throughout Hamilton and surrounding areas. Owner-operated by a licensed 313A Refrigeration and Air Conditioning Mechanic and G2 Gas Technician, CNA delivers dependable workmanship, honest recommendations and clear communication from start to finish. Services include air-conditioning and heating installation and repair, ductless heat pumps, gas appliances and piping, thermostats, ventilation, maintenance, troubleshooting, minor renovations and general home repairs. Every job is completed carefully, cleanly and with attention to long-term reliability. Whether you need an HVAC service call, new equipment installation or help completing repairs around your home, CNA Enterprises Inc. is committed to providing practical solutions and professional results.
- Air Conditioning Repair Specialist in Sheffield, OntarioGet in touch
We have a team of highly professional and experienced HVAC technicians. Our services include installations, repairs, and maintenance of furnaces and air conditioning systems.
- Air Conditioning Repair Specialist in Sheffield, OntarioGet in touch
Best of Awards 2020
Boonstra Heating and Air Conditioning has been a trusted provider of HVAC services in the Hamilton area since 1961. With over 50,000 homes serviced, we have perfected our customer service to ensure your satisfaction. Our HVAC services cover all aspects of home comfort, from heating and cooling to indoor air quality, plumbing, drains, and water heaters. Whether you need installation, repair, or maintenance, our experienced technicians are here to assist you. At Boonstra Heating and Air Conditioning, we understand the importance of prompt service, especially during emergencies. That's why we offer 24/7 HVAC repair services with no extra charges, even on holidays. Our goal is to provide you with top-notch service without the added stress of extra fees. Additionally, we offer financing options to make home HVAC upgrades more affordable. Whether you're looking to save on a new furnace and AC combo or invest in a UV air purifier for cleaner air, we have cost-saving solutions for your home comfort needs. Our service areas extend beyond Hamilton to include Burlington, Brantford, Kitchener, Oakville, Cambridge, Guelph, and more. Experience the Boonstra advantage and enjoy peace of mind knowing that your home comfort is in good hands. Contact us today for all your HVAC needs, from installation to repair and maintenance!
- Get in touch
DRM Projects is a full-service general and electrical contracting company based in Toronto, Ontario. We specialize in residential, commercial, and light industrial construction and renovation projects, offering end-to-end solutions from planning and project management to high-quality execution. With a strong foundation in electrical contracting and a growing portfolio of full-scale construction work, we bring technical expertise, attention to detail, and a commitment to client satisfaction to every job. Whether it’s a full commercial fit-out, a custom home renovation, or specialized electrical installations, DRM Projects delivers professional, code-compliant, and cost-effective solutions. We’re fully licensed and insured, and we work closely with clients, engineers, and inspectors to ensure every project meets both your vision and Ontario’s building codes. Our team is known for reliability, clear communication, and getting the job done right—the first time.
- Get in touch
Delta Air Systems has been in the business of improving the quality of the environment in homes and businesses since the 1950's. Our approach has always been to listen first --fully understanding your needs makes it simple to develop practical and cost effective solutions. We service what we sell and sell only what we service. That's why we deal only with the top brand names in the industry. Established manufacturers with products that are certified, tested and approved. Delta Air Systems has passed the Lennox Quality Dealer Standards Program. It is a commitment to excellence through top quality customer service consistent in all participating independent dealers. Our services includes: Furnaces, Air Conditioners, Heat Pumps, HRV/ERVs, Air Filtration, Geothermal, Residential Drain Water Heat Recovery systems, hot water tanks, tankless water heaters, tubeheaters, garage heater, space heaters, fireplaces, thermostats, duct cleaning, ductwork, chimney liners, ductless mini split, Hepa filter,IAQ, filters, AC, water softeners, electronic air cleaners, Ecobee thermostats,honeywell ,dehumidifiers, humidifiers, boilers, UV lights,. We also service Aprilaire, Carrier, York, Monitor, Trane, Lennox, Goodman, Amana, Coleman, Bryant, Payne, Reliance, Rheem, Rudd, Heil, Keeprite, Luxaire, Ducane, Kozy, Town & Country, Montigo, Viessmann, Larrs, American Standard, heating & air conditioning issues are our specialty. Install, service, and maintenance plans for red flagged furnaces, air systems, hvac, heating, cooling, furnace, air conditioner, cracked heat exchange, fireplaces, etc.
- Get in touch
“Lifeair by Reno One Inc. Delivering expert HVAC solutions with a focus on quality, affordability, and customer satisfaction. Our certified technicians ensure reliable, efficient service tailored to your needs. Your comfort is our priority!” TSSA CERTIFIED AND INSURED
- Get in touch
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.
- Get in touch
G2 (Gas license) 313D (Air Conditioning mechanic) 308R (Residential sheet metal). Experience unparalleled comfort with our state-of-the-art residential HVAC solutions. ACS HVAC delivers cutting-edge technology for optimal energy efficiency, improved indoor air quality, and year-round comfort in your home.
- Air Conditioning Repair Specialist in Sheffield, OntarioGet in touch
Over 27 years experience in renovation in area burlington do new bathrooms,kitchen,basement, addiction, we are craftsman in carpenter jobs,painting plaster drywall, we use the best material to provided the best result we make yge job right in the first place that's why we are in the market all these years
- Air Conditioning Repair Specialist in Sheffield, OntarioGet in touch
Richard Falle (the founder) has the highest standard for project management. He has worked in the construction field for over 20 years doing both residential and commercial renovations. When you hire Modern Touch Renovations Inc, you’re hiring a dedicated project manager that will hand pick the perfect team of fully licensed professionals in their trade, specifically for your project. Through the years, Richard managed and worked on the most difficult and high precision jobs which were outside the normal scope of construction. Richard has managed and collaborated on projects with the Brian Baeumler approved community. He has also been chosen for projects following The Mike Holmes Inspection Show and jobs for The Property Brothers. He has also managed projects for Home Depot, Rona, and Lowe’s. Richard’s goal is to take Modern Touch Renovations Inc. to the very top while focused on client happiness, to make every project a success. Keeping homeowners safe, satisfied and educated when it comes to home renovations is also a top priority. With our client software, you will have full access to every detail of your renovation throughout the whole process. You can access timelines, daily logs, photos and files instantly. You can also message the team with any questions that may come up. This allows us to keep you informed through every aspect of your project whether you’re standing in the room or not. Richard and his team are very open minded to new and unique ideas. So, give us a call. We look forward to working together.
- Get in touch
NEED SERVICE FAST? Precision. Punctuality. Commitment to excellence. Service Repair Sales Licensed and insured HVAC contractor serving Hamilton, Burlington, Oakville, and surrounding areas. All your commercial and residential needs. WE HAVE YOU COVERED We have the know-how to tackle everything from the smallest of repairs to large-scale projects. No matter the size of the job. We always work hard to ensure our clients are completely satisfied with our work. Call to schedule an initial consultation today.
- Air Conditioning Repair Specialist in Sheffield, OntarioGet in touch
At Darrick Davidson Heating, Cooling & Duct Cleaning, our mission is simple: deliver honest, professional service that homeowners can trust. Since 2010, we’ve been committed to helping families stay comfortable with high-quality heating, cooling, indoor air quality, water heating, and duct cleaning services. We believe every homeowner deserves clear communication, expert workmanship, and recommendations based on what’s best for their home—not what’s best for a sales quota. Our technicians take the time to educate customers, explain their options, and complete every job with attention to detail. Our Vision To become Ontario’s most trusted home comfort company by creating exceptional customer experiences, investing in our people, embracing innovation, and setting the standard for quality, integrity, and professionalism in the HVAC industry. Our Core Values * Honesty – We provide straightforward advice and transparent pricing. * Integrity – We do the right thing, even when no one is watching. * Fairness – We treat every customer, employee, and supplier with respect and fairness. * Respect – We value people’s homes, their time, and their trust. What Makes Us Different * Licensed, trained, and professional technicians. * Upfront pricing with no pressure or hidden surprises. * High-quality products from trusted manufacturers. * A focus on long-term relationships rather than one-time transactions. * Commitment to continuous training and the latest technology. * We stand behind our workmanship and strive to exceed expectations on every visit. Our goal isn’t just to repair or replace equipment—it’s to build customers for life. When you choose Darrick Davidson Heating, Cooling & Duct Cleaning, you’re choosing a team that genuinely cares about your comfort, your home, and your experience. Your Gonna Love These people
