Some of our top rated hvac contractors in Thornhill, Ontario
Sort by:
- Get in touch
Boiler Works Mechanical is a trusted hydronic heating contractor with over 20 years of combined experience serving homeowners, builders, and property managers. We specialize in boilers, snowmelt driveway systems, radiant in-floor heating, and iFLOW hydronic furnaces, delivering reliable comfort and safety all year long. We proudly serve clients within 300 kilometers of Toronto, reaching Hamilton in the west, Kingston in the east, and Barrie in the north. Our licensed and experienced team provides expert solutions for both residential and commercial projects. Our expertise includes high-efficiency condensing boilers, custom hydronic system design, precise installations, repairs, and ongoing maintenance. We use proven methods, high-quality materials, and careful attention to detail to ensure peak performance and long-term value. Homeowners and builders choose Boiler Works Mechanical for our clear communication, dependable service, and commitment to doing the job right. We believe that professional installation and proper maintenance are essential for energy efficiency, safety, and lasting comfort.
- Get in touch
GTA Heating & A/C INC. is a trusted, Vaughan-based HVAC contractor specializing in gas and electric fireplaces, heat pump, water heater, tankless, boiler and in-floor heating, furnaces, air conditioners, BBQs, Air cleaner, humidifier, and refrigeration systems. Our mission is to deliver top-quality service and expert workmanship to every customer. Whether you need help installing or replacing a heating system, air conditioning unit, boiler, floor heating, gas lines, or thermostats—or if you're looking to repair or maintain any of these systems—we’re here to help. If you’re planning a new project or need a repair, just send us a message. We’ll be happy to assist and provide you with a detailed quote.
- Get in touch
Best of Awards 2026
Hoerner Heating & Plumbing is a locally-owned and operated business specializing in Plumbing, Hydronic heating, Drains, Furnaces, Heat Pumps and Air conditioning. Our expert team understands the importance of plumbing, heating, air conditioning, and drains. Our team is equipped with the knowledge to determine the best solution for your specific needs. We are trained professionals that excel in installing and maintaining hydronic heating systems, drains, plumbing, and heat pumps(air conditioning) offering you optimal comfort and energy efficiency. Count on us for top quality service in reliable hydronic heating that delivers exceptional warm-throughout your home. We are a fully insured and licensed Toronto plumbing and heating company. Hoerner Heating & Plumbing At Hoerner, there is an operator on Duty 24/7, so you will always speak with a live customer service person to communicate any of your issues with frozen pipe repairs, sump pump repairs, toilet repairs, faucet repair, drain repair, and any other emergencies. At Hoerner, the technician provides an upfront price option or options at your home before the work begins for work such as water heater install, heat pump/air conditioning install, drain install, and repipe install before they begin. At Hoerner, our trucks are well-stocked with plumbing and heating parts, often we can do it all with just one service call for a boiler repairs, water heater repairs, and radiator repairs. When Hoerner visits your home, we clean up after all our work like we were never there. Drain digs and Boiler installs require extensive clean up. Why we value the work we perform. Service and installation create a valuable role in increasing the value of the homes. The performance of all the equipment, and fixtures in the home creates a better quality of life.
- HVAC contractor in Thornhill, OntarioGet in touch
- Best of Awards 2021
We are open to serve you during the COVID-19. Fully prepared, COVID-19 ready and committed to serve you while your health and safety remain our top priority. **** We are reputable plumbing, waterproofing and underpinning company that offers top services and affordable prices that help you save money and guarantee quality results. We guarantee you Peace of Mind. We are family based business that works on independent basis therefore we are able to compete in prices and offer our customers non-beatable quotes. No high prices, no aggressive sales, no commission based contractors, and no pressure – it is our policy. Our company is an expert in all areas of plumbing (residential, high-end commercial & industrial), waterproofing (exterior & interior waterproofing), all foundation repairs, drain repairs, underpinning and basement lowering. Our wide range of services includes thorough diagnostics, camera inspections & no dig technologies – air lining pipe bursting, which save your landscape and provide clean results. If you require free estimate simply give us a call and our licensed technician will discuss your needs, work within your budget and offer an effective solution. Our job speaks for itself. Once you call us you will be worries free. Call today 647-408-3262 or 647-297-6947 We run our business with integrity and treat our customers with respect. We GUARANTEE YOU PEACE OF MIND at a fraction of the cost.
- Get in touch
Specialize in Residential, Commercial, Industrial Heating and Cooling systems. Single Owner and Operator results in fair prices. Fully licensed TSSA Certified
- Get in touch
We are a Roofing company who has more than 10 years experience in Ontario, affordable price with high quality, 30 years warranty for materials and labor maintenance. Service: Roof replacement, Roof repairing, Roof extension, etc…
- 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 the Best 2025- Best of Awards 2026
Our newly renovated showroom in midtown Toronto, offers gas, electric, wood and gel fireplaces in traditional and modern styles, bringing your home a sense of relaxation, comfort, warmth and beauty. These exquisitely designed and quality manufactured fireplaces are offered at competitive prices. Our Toronto fireplace specialists also offer free professional in-home consultations to help determine the right solution for you. Wood or cast stone mantel, book cases or cabinets, we do it. You want to fix your masonry fireplace, drop a liner, come to us, we take care of you. Refacing the fireplace ? You're at the right place.
- Get in touch
We are a reliable and detail-oriented service provider with a strong focus on quality and customer satisfaction. With several years of hands-on experience, we take pride in delivering professional results on time and within budget. We believe in clear communication, honesty, and respect for our clients’ homes. Our goal is to make the process easy and stress-free while exceeding expectations. Contact us today for a free estimate — we’ll be happy to help.
- Get in touch
- Best of Awards 2024
*Professional *Reliable* Reasonable Prices* Evergrow is a family owned and operated business specializing in Landscape Construction & Property Maintenance. We pride ourselves in our customer satisfaction, professionalism, and honesty. All of our work is warrantied and guaranteed. Price is beatable compare to other companies! Free evaluation, High quality, 5 years warranty. Please call for consultation. interlocking paver driveways and walkways -custom decks, pergolas and fences -interlock and wood repair work -deck and driveways rehabilitation services -natural stone work -foundation repair services SERVICES Interlocking Retaining Walls Re-Sodding Landscape Design Excavation & Trenching Equipment Rentals Foundation Repairs Snow Removal STYLES Services for residential and commercial buildings Landscape Design Interlocking SPECIALITIES Specializing in Residential, Commercial 1. Paving, renovation, cleaning, maintenance, cement 2. Fence service, Fence Installation, Fence Repair, Fence Painting, Fence Pressure Washing 3. Decks,Wooden platform fence, old wooden platform fence cleaning, brush oil, plant flowers and trees, replace the lawn. 5. Garage floor renovation, maintenance, cement engineering.
- Get in touch
I have been working with my father for 10+ years installing tiles, natural stone, hardwood, vinyl flooring and full bathroom renovations.
- Get in touch
We provide quality service to ensure that your heating and cooling system always stays in good condition. Services Incude: Air Conditioning, Gas Furnaces, Tankless Water Heaters,Pool Heater, Gas Boilers. Electric to Gas. Service Areas: Toronto Kingston Mississauga Niagara Region Markham Peterborough Scarborough new market
- Get in touch
Welcome to HH Comfort Air. We're a Trusted Heating and Cooling HVAC Contractor and are based in Richmond Hill, Ontario. We provides complete HVAC Installation and maintenance services. Our contractors are experienced professionals, highly skilled, licensed and insured, fast & friendly and we have no hidden fees. Contact us today to schedule your appointment.
- Get in touch
- Best of the Best 2025
- Best of Awards 2026
Canadian Rooter is your local-Canadian-family owned business! Servicing Toronto & the GTA (radius of 80 km) , we specialize in all major UNDERGROUND and minor plumbing and drain projects, basement waterproofing. We offer Exceptional customer service, outstanding work quality and warranty. We offer free estimates with no obligations related to all underground projects. We view all problems as obstacles and will leave you with a piece of mind! We do All household plumbing service calls by Appointment ONLY Services we provide: * Drain Cleaning * Camera Inspection * Drain Installation * Drain Power-flushing * Home Plumbing Inspection * Lead Pipe Removal and improve water pressure * Basement Waterproofing * Plumbing Installation & repairs * Bathroom Renovation *Watermain Break Repairs * Catch basin cleaning and repairs * Grease Trap Installation * Back Water Valve Installation and Rebate process * Sump Pump and Back up sump pump installation * Roof Drains * Heated Floor * Heated Driveways * Swimming pool demolition and backfill Specialize in All underground plumbing, drain & waterproofing repairs.
- Get in touch
We offer full plumbing and gas service, maintenance and installations. Gas appliance maintenance, repair and installations. New construction, renovations, repair and maintenance
