Describe your job with details to view a tailored list of pros.
Post your job

Some of our top rated hvac contractors in Thornhill, Ontario

1095 Results

Sort by:

  • HVAC contractor in Thornhill, Ontario

    Professionalism and Commitment is our trait. With years of experience in business we leave no issue unaddressed making it sure that the customer call us again for referrals.

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    Thank you for visiting our profile! At J-Z Plumbing, we provide complete plumbing and drain services. We have a team of highly skilled professionals who focus on quality work and maximum customer satisfaction. Contact us for any inquiries and we ensure to provide the best advice, quality and price! 647 607-4878 info@jzplumbing.ca

    Get in touch
  • Need a HVAC contractor? Macroklima Heating & Cooling can help you. We pride ourselves on the quality work that we deliver to each and every client. Contact us to talk about your job and get a quote.

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    Alcona Home Services provides dependable home repair and maintenance solutions with a strong focus on professional plumbing services. Based in Innisfil, we help homeowners with everything from leaks and clogged drains to fixture upgrades, rough-ins, water heater work, and full plumbing installations. Our goal is simple: deliver high-quality workmanship, clear communication, and trustworthy service on every project. We treat your home like our own and take pride in offering efficient, long-lasting solutions.

    Get in touch
    • Best of Awards 2026

    EverReady Electrical is a premier provider of residential and light commercial electrical services, proudly serving homeowners, contractors, and property managers throughout Durham and the surrounding areas. Built on a foundation of integrity, precision, and accountability, we are committed to delivering electrical solutions that meet the highest standards of safety, performance, and reliability. Our team consists of fully licensed and insured electricians who bring extensive field experience and technical expertise to every project. Each member is carefully selected not only for their skill, but for their professionalism, attention to detail, and commitment to excellence. From initial assessment to project completion, we ensure every aspect of our work is executed efficiently, safely, and in full compliance with all applicable codes and regulations. At EverReady Electrical, we understand that quality workmanship begins with quality materials. That’s why we use only premium-grade products and proven installation methods to deliver durable, long-lasting results. Whether we are supporting a large-scale renovation or responding to a service call, our clients can expect consistent communication, organized job sites, and dependable timelines. To see the quality of our work and hear directly from our satisfied clients, please visit the links below: Client Video Testimonials: https://tinyurl.cx/IFYzl Completed Projects & Photos: https://tinyurl.cx/dOVlH Our Services Include: Complete residential and commercial wiring Electrical panel upgrades, replacements, and installations Custom lighting solutions, including pot lights and exterior lighting EV charger installations Renovation and new circuit installations Electrical troubleshooting, diagnostics, and repairs Knob and tube wiring replacement 24/7 emergency electrical services We recognize the importance of responsiveness in our industry. Our team is available around the clock to address urgent issues, and we strive to provide prompt scheduling and, whenever possible, same-day service to minimize disruption to your home or project. EverReady Electrical is dedicated to building long-term relationships through honest communication, dependable service, and consistently exceptional results. When you partner with us, you can be confident that your electrical work is in capable, professional hands.

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    Start Your Next Project with Green Crew Contracting At Green Crew Contracting Inc., we believe every outdoor indoor space has the potential to become something extraordinary. Whether you’re envisioning a luxurious patio, a sparkling pool, or a complete backyard transformation, we’re here to bring your dream to life with precision, creativity, and unparalleled craftsmanship. Book your project today and begin planning tomorrow with the guidance of our expert team. Specializing in landscaping, softscaping, hardscaping, outdoor kitchens, pools, renovations, and more, we tailor every design to suit your lifestyle and needs. From detailed planning to flawless execution, we focus on delivering results that exceed expectations. Schedule your complimentary in-home consultation and discover how Green Crew Contracting can elevate your property. We provide honest, professional advice with no pressure or obligation, ensuring a seamless and enjoyable experience from start to finish. Why Choose Green Crew Contracting? • Impeccable Workmanship • Commitment to Customer Satisfaction • On-Time Project Delivery • Innovative and Creative Designs Transform your outdoor space into a functional and breathtaking retreat. Let’s get started today!

    Get in touch
  • HVAC contractor in Thornhill, Ontario
    • Best of Awards 2025

    We specialize in commercial renovations and home improvement, offering a comprehensive range of high-quality services, including but not limited to: ✔ Commercial & Residential Renovations ✔ Kitchen Cabinetry & Countertops (Quartz, Granite, Marble) ✔ Basement Finishing & Bathroom Remodeling ✔ Flooring, Tiling & Painting ✔ Windows & Doors Installation ✔ Additions, Electrical & Plumbing ✔ Decks, Fences & Foundation Repair ✔ Insulation & Commercial Fit-Ups ✔ Restoration & Landscaping ✔ Interlocking & Driveway Paving ✔ Wallpaper & Commercial Carpet Installation ✔ Custom Wall Units & Closets Whether you’re a homeowner or a property/condominium management company looking for reliable service, premium materials, and high-quality finishes, Built Wright Inc. is here to meet all your renovation needs.

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    Proaire Systems Inc. can help you with your install or replace heating systems, install or replace airconditioning, install or replace solar pv panels, repair or maintain solar pv panels, 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, install solar water heater, repair or maintain heatpump, repair solar water heater, install or replace mist-generating system, install or replace cold room, install or replace whirlpool, spa and wellness, energy audit, clean air ducts & vents, install or repair water heaters, water or fuel tanks & air cleaners and humidifiers request in Ajax and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with Proaire Systems Inc. now to discuss your needs and arrange a quote.

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    Certified and skilled HVAC and Gas technician. Operating under DreBuilt Pro Solutions we have the right solutions for your needs from big to small and start to finish. Specializing in HVAC-R & Gas DreBuilt Pro Solutions also provides many other services including residential home renovations and repairs from bathrooms to basements to kitchens as well as maintenance and repairs.

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    Transform Your Home with contractors13– GTA’s Trusted Renovation Experts! ✨ Looking to upgrade your home? Need a reliable team to get the job done quickly and professionally? Look no further! Contractors 13 is a GTA-based residential renovation company that brings beauty and functionality to every space we renovate. Whether you're updating a single room or renovating your entire home, our expert team delivers top-notch craftsmanship with a focus on speed, precision, and customer satisfaction. Our Services Include: Kitchen Renovations – Modernize your space with custom cabinetry, countertops, and stylish finishes. Bathroom Upgrades – From sleek designs to full remodels, we create spa-like retreats. Basement Finishing – Turn your basement into a functional living space, rental unit, or entertainment hub. Separate entrance, egress windows for legal basement unit. Flooring & Painting – Vinyl, tile, laminate, or fresh paint—we do it all! Doors, Windows & Trim Work – Enhance your home's aesthetics and energy efficiency. ️ General Home Improvements – No project is too big or

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    I am jouneyman mason with over fifty years experience in all types of masonry. I am a designer of custom stone work as well as being able to build fireplaces from scratch. I have been working in the GTA and northern Ontario for custom builders and have a highly experienced crew . I am fully insured and willing to travel for the right customer .

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    Our mission is to provide high-quality HVAC solutions rooted in technical excellence, integrity, and a strong commitment to customer care. As a growing and trusted leader in the industry, we focus on delivering dependable service, building lasting relationships, and continuously improving to meet the evolving needs of the communities we serve. We take pride in doing the job right, every time — with professionalism our clients can count on.

    Get in touch
  • HVAC contractor in Thornhill, Ontario
    • Best of Awards 2026

    For professional work done right the first time call EMMONS ELECTRIC. We are fully insured and a registered ACP Contractor with the ELECTRICAL SAFETY AUTHORITY. All new wiring installed by Emmons Electric is guaranteed to be done by qualified technicians, inspected and approved by ESA. Trusted for Over 20 Years Emmons Electric Inc. is a local company operating out of Oshawa, Ontario, Canada; serving Whitby, Bowmanville, Courtice, Oshawa, Ajax, Pickering, Newcastle and other cities in the eastern GTA. Owner/Operator Brad Emmons has been working as an electrician for 30 years, is a licensed Master Electrician and is certified by the ECRA. Trust the team of electricians at Emmons Electric because of our years of experience, knowledge and great service. Emmons Electric Inc. is a proven and time tested electrician with over 30 years experience, we are a company you can depend on. New construction, renovations, and additions, we do it all! Call Emmons Electric or browse our site for more information about our electricians in Bowmanville, Courtice, Whitby, Ajax, Oshawa, Pickering and surrounding areas. Our Services Residential Emmons Electric Inc. is a proven and time tested electrician with over 30 years experience from Pickering to Bowmanville, we are a company you can depend on for your home. Commercial and Industrial Each of our electricians is fully trained in installation techniques and codes to ensure a safe and trouble-free installation. We want to make sure that you receive the best possible installation and products Energy-efficient lighting Emmons Electric has a vast menu of services including innovative design and expert installation of a wide variety of exterior lighting fixtures.

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    General Contracting

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    20 years experience. Working on contract of services offering warranty and insurance. Services offering but not limited: 1. All concrete works, repairs/revitalisation and from scratch ( porches, stairs, patio, backyard, driveway, separate entrance retaining wall, foundation etc) 2. Epoxy flooring, industrial commercial and private. 3. Waterproofing 4. Swimming pools 5. Masssonry 6. Drywall, taping, mudding, plaster, painting. Industrial, commercial, residential, minor repairs etc

    Get in touch
  • HVAC contractor in Thornhill, Ontario

    I am an experienced HVAC technician looking to help clients solve any issues.

    Get in touch