Some of our top rated hvac contractors in Ajax
Sort by:
- Get in touch
AM AIR SYSTEM INC. can help you with your install or replace heating systems, install or replace airconditioning, install or replace floor heating, install or replace gas systems and pipes, install or replace boiler, repair or maintain boiler, repair or maintain floor heating, install or replace radiators, install or replace thermostats, repair or maintain airconditioning, repair or maintain heating system, install or replace ventilation system, install or replace heatpump, repair or maintain heatpump, install or replace cold room, install or repair water heaters, water or fuel tanks & air cleaners and humidifiers request in Richmond Hill and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with AM AIR SYSTEM INC. now to discuss your needs and arrange a quote.
- Get in touch
Heating and Cooling is what we do, but family is at the heart of who we are. For more than 18 years, we haven’t just been your trusted comfort partner; we’ve been the Ashton Family business. Priding ourselves on prompt, professional service, we work hard to give you and your family the value and quality that you deserve. We're proud to be an Amana Premium Dealer! We offer no cost, no pressure in home consultations to answer all of your questions about purchasing new appliances like furnaces, air conditioners, fireplaces and more. You can breathe easy with a detailed duct cleaning service, or talk to a comfort advisor about how you can reduce dust, eliminate cold rooms and save money with the Aeroseal Duct Sealing process that seals your ducts from the inside. Don’t wait days for service, or wait on hold for hours, and enjoy a variety of flexible payment options, including financing, that make doing business with us easy. We even offer monthly maintenance and protection plans for your appliances so you can stop worrying about surprise repair bills. Hey- that’s what family is for, right? Contact us today and let us help you Be More Comfortable.
- Get in touch
With over 6 years of experience, we provide professional HVAC services across Toronto and the GTA, serving both residential and commercial clients. Our expertise includes HVAC systems, ductwork, furnaces, air conditioners, gas appliances, ventilation, and full project management. We also specialize in gas BBQs, brick BBQs, and custom home installations. Whether it’s a new build or a retrofit, we deliver reliable, high-quality solutions tailored to your space and needs.
- Get in touch
Quality B O is a North York based HVAC contractor company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with install or replace heating systems, install or replace air-conditioning, install or replace gas systems and pipes, install or replace boiler, repair or maintain boiler, install or replace radiators, install or replace thermostats, repair or maintain air-conditioning, repair or maintain heating system, install or replace ventilation system, install or replace heat ump, install or repair water heaters, water tanks & air cleaners and humidifiers, message us so we can assist you and arrange a quote.
- Get in touch
- Best of the Best 2025
- Best of Awards 2026
Summit Contractors is a renowned leader in the construction industry, specializing in high-quality renovations. With a remarkable 17-year presence since our establishment in 2005, we take immense pride in our industry-leading position. Our dedication to excellence has been consistently recognized by prestigious organizations, including HomeStars, Houzz, TrustedPros, and the Consumer Choice Award. These accolades serve as a testament to our unwavering commitment to delivering exceptional results and exceeding client expectations. At Summit Contractors, we firmly believe that home renovations should be stress-free and enjoyable experiences for our clients. To achieve this, we have assembled a team of highly skilled and experienced professionals who are passionate about their craft and dedicated to providing exceptional service and quality craftsmanship. From the initial consultation to the final walkthrough, we work closely with our clients, ensuring that every detail of their renovation project is meticulously planned and executed to perfection. No matter the scope or complexity of the project, our team possesses the expertise and knowledge to handle renovations of any size. Whether you seek to update your kitchen, remodel your bathroom, or transform your entire home, we are here to assist you. We pride ourselves on going above and beyond to surpass our clients' expectations, consistently delivering superior craftsmanship and outstanding results. At Summit Contractors, we understand that each client has unique needs and desires. That's why we offer personalized solutions tailored to your specific vision and requirements. Our team combines their expertise with a client-centric approach, actively listening to your ideas and collaborating closely with you throughout the renovation process. We strive to ensure that your dream space becomes a reality, creating an environment that reflects your style and enhances your lifestyle. With our vast experience in the industry, we have cultivated strong relationships with trusted suppliers and subcontractors. These partnerships enable us to access top-notch materials and resources, ensuring the highest quality standards for our projects. Additionally, our commitment to efficient project management ensures timely delivery and effective coordination of all construction activities. Whether you are considering a small-scale renovation or a comprehensive transformation, Summit Contractors is here to turn your vision into reality. Contact us today to embark on a seamless and rewarding renovation journey, backed by a trusted and reputable construction partner.
- Get in touch
- Best of the Best 2025
- Best of Awards 2025
Having launched in 2013, and since weathered numerous provincial policy and regulatory changes that have threatened the industry, Polaron has endured as the largest residential solar company in Canada—with over 12,500+ installs across the nation. Operating locally in British Columbia, Alberta, Ontario, Nova Scotia, and PEI, we offer all-inclusive packages that include design, financial planning, installation, and professional maintenance. Our dedicated team works tirelessly to ensure that each step of the process gets completed with care and precision. You get the best quality solar panel system as well as maximum savings, thanks to our innovative program that makes solar more affordable than ever.
- Get in touch
Kersey Mechanical has a fully qualified team of plumbers. With a fully qualified owner that also holds a cross connection specialist licence with over 14 years of commercial, industrial and residential experience. We ensure you that your project or problem will be done to code, and on time in a mannerly fashion.
- Get in touch
- Best of Newly Listed 2025
At Forever Precious Tile & Marble we turn spaces into stunning works of art with our custom tile and marble installations. With a focus on innovative design, expert craftsmanship, and sustainable practices, we bring your vision to life with precision and care. Whether transforming homes or commercial spaces, our commitment to quality ensures lasting beauty in every project. Service Area:Brampton, Concord, Etobicoke, Markham, Mississauga, Newmarket, North York, Oakville, Richmond Hill, Scarborough, Thornhill, Toronto, Unionville, Vaughan, Woodbridge
- Get in touch
- Best of Awards 2019
A Plus Air Systems was established in 1990 as a complete solution to commercial and residential heating, ventilation, and air conditioning needs. A Plus Air Systems is currently one of the largest authorized Trane Dealers in Ontario, and have been serving our customers with high quality Trane products. We install and service our furnaces, air conditioners, heat pumps, air cleaners, boilers, tankless water heaters and backup gas generators in Great Toronto Area, Mississauga, Oakville, Burlington, Hamilton, and Niagara Falls.
- Get in touch
ACI specializes in premium interior renovations, combining elegance, precision, and craftsmanship. We create bespoke spaces with innovative design and high-quality finishes, ensuring seamless execution and attention to detail. Elevate your home or business with our expertise and commitment to excellence.
- Get in touch
- Best of Awards 2026
MMS HVAC Heating & Cooling Services is your go-to for all your residential and commercial heating and cooling needs. Whether you’re looking for repair, maintenance, or installation services, our team of experienced technicians will provide you with personalized, professional services. Get the comfort you need and the quality you deserve.
- Get in touch
As an innovative, creative new home builder, JII FINE HOMES has redefined the experience of luxury home living for families who dream only the best. The company’s President, Jim has been actively involved for 20 years in all facets of marketing residential, multi-residential and commercial properties. Noting a lack of high-quality homes being built for discerning clients who wanted something above the ordinary, Jim has raised the bar when it comes to the creation of custom-designed luxury residences exuding architectural excellence and inspiring, spacious interiors. JII Home Improvement is committed to creating your dream home. From something cozy, economic, and yet good looking with luxurious qualities to two story houses and large mansions, we will build it for you. Our teams of reputable builders and craftsmen turn your dream home to a reality. A place to build and have good memories for generations! We know what you need to obtain a building permit for your property. Our knowledge and know how will ensure your peace of mind. For clients who already own a property but have not begun the design process, JII can help you design your dream home. Distinctive architectural plans, each with leading edge technologies and exquisite features are synonymous with JII FINE HOMES. Trust JII to build your next home or major renovation. JII renovations and additions can include architectural and interior design, obtaining all municipal approvals and scheduling contractors and trades to ensure a seamless transformation from old to new.
- Get in touch
- Best of Awards 2021
Aviv Plumbing Inc. is a homegrown, owner-operated plumbing company based in Concord, Ontario, serving homeowners, property managers, and businesses across the Greater Toronto Area — including Toronto, Vaughan, Richmond Hill, Thornhill, Woodbridge, Maple, Mississauga, and Brampton. We're a local team, not a franchise or call centre, and we've built our reputation one job at a time right here in the communities we serve. Our licensed plumbers provide a full range of residential and commercial plumbing services across the GTA. We repair and replace leaky faucets, running toilets, clogged drains, burst pipes, and sewer backups. We handle water heater installation and replacement — including tankless water heaters — along with sump pump installation, backwater valve installation, and shut-off valve replacement. Our team installs and services kitchen and bathroom fixtures including sinks, faucets, toilets, bathtubs, and showers. We also connect and service dishwashers, washing machines, and other plumbing appliances throughout the home. For homeowners looking to prevent costly water damage, Aviv Plumbing is a certified Moen Flo installer, providing smart leak detection and automatic water shut-off systems that monitor your home's plumbing 24/7. On the commercial side, we partner with landlords, property managers, and business owners across the GTA to deliver responsive, professional plumbing service that keeps properties running and tenants satisfied. When you call Aviv Plumbing, you're getting a licensed, insured, owner-operated team that shows up on time, communicates clearly, and gets the job done right — the first time.
- Get in touch
At HVAC ASAP, we understand that comfort isn’t just a luxury—it’s a necessity. Whether it’s the chill of a Canadian winter or the sweltering heat of summer, your HVAC system plays a critical role in keeping your home or business safe, comfortable, and energy-efficient. That’s where we come in. As a full-service heating, ventilation, and air conditioning company, HVAC ASAP is committed to delivering fast, reliable, and high-quality HVAC solutions across the Greater Toronto Area, including Aurora, Newmarket, Markham, Vaughan, and beyond. Our name says it all—ASAP means we respond quickly, diagnose problems efficiently, and deliver lasting results without delay. When HVAC issues arise, we know there’s no time to waste. That’s why our team of licensed, insured, and highly experienced technicians is always ready to jump into action, offering 24/7 emergency services, as well as scheduled maintenance, installations, and upgrades tailored to your specific needs. But we’re more than just a fast fix—we’re a trusted partner you can count on. HVAC ASAP believes in doing the job right the first time. We never cut corners, and we never push services or products you don’t need. Our transparent approach and focus on long-term customer satisfaction have earned us a solid reputation as one of the GTA’s most dependable HVAC providers. Whether you need a quick furnace repair, a brand-new air conditioner installation, or a full overhaul of your home’s ventilation system, our team brings the skills, tools, and experience to get it done right. We service all major makes and models, and we stay up to date with the latest HVAC technologies—so whether you’re going green with a high-efficiency upgrade or integrating smart thermostats for better control, we’ve got you covered.
- Get in touch
- Best of Newly Listed 2025
Best Quality. Best price. On time HERE IS THE LIST OF SERVICES PROVIDED BY CANPARSCONSTRUCTION • General Contracting Services • Flooring Hardwood, Tile, Laminate and Carpet • HVAC - Plumbing • Home Additions • Kitchen Remodeling • Bathroom Upgrade - Basement Renovations • Light Fixtures Installation - Home Painting • Electrical Service Upgrade etc. Contact us today at 647 989 2460
- Get in touch
- Best of Awards 2026
- Best of Newly Listed 2022
Green Heating and Air Inc is a professional Heating, Ventilation, and Air Conditioning company. We are committed to the highest standards in maintenance, repairs, and installations for residential homes and commercial spaces in Ontario. We offer Furnace Repairs, and Heating and Cooling Repairs in GTA. Green Heating and Air Inc is a licensed and registered heating and air conditioning company that has been professionally serving Brampton, Mississauga, Caledon, Bolton, Oakville, Woodbridge, Vaughan, Maple, Richmond Hill, Markham, and Toronto. Qur Products all meet our high-quality standards from trusted brand names. We promote Trane, Rheem, Keeprite, Neapolitan, Goodman, Panasonic, Mitsubishi, LG, Rinnai, Noritz, Navien, Viessman, Triangle Tube, Honeywell, Emerson, Nest, Vanee and Weil McLain brands for the best quality and energy efficiency.
