Some of our top rated hvac contractors in Thornhill, Ontario
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At Alkan Construction, we bring years of hands-on experience and industry expertise to every project we take on. Our team is committed to delivering high-quality construction services with a strong focus on safety, precision, and client satisfaction. From residential developments to commercial builds, Alkan Construction has built a solid reputation for reliability, craftsmanship, and results that stand the test of time. With a deep understanding of the construction process and a passion for excellence, we are proud to be a trusted name in the industry.
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At Calder Contracting, we take pride in delivering high-quality, reliable home improvement services you can trust. We specialize in roofing, siding, eavestroughs, soffit & fascia, and full exterior renovations, along with electrical, plumbing, and general contracting work. Whether it’s a small repair or a full project, we approach every job with attention to detail and a commitment to doing it right the first time. We also offer interior renovation services, including basement finishing, kitchen remodels, bathroom upgrades, full home renovations, and interior & exterior painting, giving homeowners a complete solution for upgrading their space inside and out. What sets us apart is our focus on honest communication, fair pricing, and professional workmanship. We work closely with homeowners to ensure every project meets their expectations, using quality materials and proven methods to ensure long-lasting results. At Calder Contracting, your home is our priority and we stand behind every job we do.
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At A&R Plumbing, we take pride in delivering reliable, high-quality plumbing services you can count on. Whether it’s a small repair or a full system installation, our goal is simple: get the job done right the first time, with no surprises. We specialize in residential plumbing, offering services such as: • Leak detection & repairs • Drain cleaning & clog removal • Sump pump installation & maintenance • Water heater (tank & tankless) services • Pipe repair & repiping • Fixture installations (toilets, faucets, sinks, etc.) • And so many more! With a strong focus on honesty, clear communication, and workmanship, we treat every home as if it were our own. We show up on time, explain the issue clearly, and provide upfront pricing before any work begins. Our team is committed to clean, professional service—no mess left behind, no shortcuts taken. 💧 Why choose us? • Fast, dependable service • Transparent pricing • Quality materials & workmanship • Customer-first approach • Fully committed to your satisfaction Whether you’re dealing with an emergency or planning an upgrade, you can trust A&R Plumbing to deliver lasting results.
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With over 30 years of experience in the electrical contracting industry, Sirrom Electric Enterprise is dedicated to delivering top-quality solutions for both commercial and residential projects. We take pride in completing every job efficiently while adhering to industry standards and Electrical Safety Authority (ESA) regulations. Our expertise includes: • Complete Wiring • Panel Upgrades • Fuse-to-Breaker Panel Conversions • EV Charger Installation • Pot Light Installation • Basement Wiring • Ceiling & Exhaust Fan Replacement • Chandelier Installation Your project is our priority—let’s get it done right the first time!
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Hey! This is a ECOFROST HVAC service inc. This is Jorawar Singh. We are Gas technician certified, we have a license. We provide HVAC services. Furnace installation and repair Water heater installation new and replacement Duct pipe change or install AC installation new and replacement
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Team Sparkies is a professional electrical contracting company committed to safe, reliable, and code-compliant work. We specialize in residential and commercial electrical services, delivering clean installations, clear communication, and dependable results. Every project is handled with attention to detail, respect for your space, and a strong focus on quality and safety.
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At Elite Renovations Plus, we are dedicated to providing reliable, high-quality services for all your home and property needs. With a focus on professionalism and attention to detail, our experienced team is equipped to handle everything from minor repairs to extensive renovations. We take pride in our craftsmanship and commitment to customer satisfaction, ensuring that each project is completed to your expectations. Whether you need interior or exterior services , trust Elite Renovations Plus to keep your space in top condition. Your home is our priority.
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Renovation by Doma Craft— we create perfect interiors for your home and office. Fast, reliable, quality.
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We’re a minority owned family electrical company trying to make change in the industry. Serving the entire GTA, we're your one-stop electrical contractor—specializing in panel upgrades, EV chargers, fire alarms, and large-scale installations for homeowners, businesses, and beyond. Homeowners trust our family-run team to bring comfort, efficiency, and safety under one roof-modernizing your wiring, lighting, and power systems so you can enjoy a smart, secure home, our family-run, fully licensed electricians deliver everything code-compliant, on time, and on budget, so you gain lasting peace of mind and lower energy bills.
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Professional and licensed master electrician More than 10 year experience, Data and low current system Security and control
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Best of Awards 2026
Best of Newly Listed 2024
We are a truly local company focused on serving the Durham Region and surrounding area's since 2011. Our friendly and knowledgeable staff have decades of experience, we employ multiple managers who teach at the local HVAC trades school and are proud to say that we train the competition. At Walchuk Heating and Cooling you will experience top notch service from beginning to end, we provide multiple area's of expertise; from basic furnace and air conditioning needs, to more complicated boiler and radiant flooring systems. We are a proud premier Lennox dealer who offers the highest quality equipment and support. We adhere to all safety protocols, are a proud TSSA member and UA Local 787 Union Employer , all of our technicians are employee's as we don't use sub-contractors. Having trades people who are employed ensures the workmanship is top tier as the workers are held accountable for the work they do. As a dependable, trusted and truly local HVAC provider who provides true peace of mind and accountability for the work we do. Walchuk Heating and Cooling is always available, 24/7 to assist our customers new and existing. Contact us anytime to book a service call, or free in home estimate or to learn more about how we can improve your home comfort today.
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We provide fast and professional residential plumbing Services.No job is too small-here to help with all your plumbing needs. Services We Offer: • Drain cleaning & unclogging • Toilet repair & replacement • Sink, faucet, and shower repairs • Leak detection & pipe repairs
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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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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.
