Some of our top rated hvac contractors in Alliston
Sort by:
- Get in touch
Arthur James Construction is a residential construction company based in Collingwood, serving homeowners and cottage properties across the surrounding area. We specialize in excavation, masonry, basement waterproofing, drainage, and general contracting. Our work is built around proper planning, clear communication, and clean, organized job sites. From the first conversation to the final result, we focus on doing things the right way with solid preparation, attention to detail, and dependable execution. We take on projects where quality matters. Whether it is structural work, exterior improvements, or full scope construction, our goal is to deliver finished work that looks right, performs properly, and holds up over time. We carry $5 million in liability insurance and are fully WSIB compliant, giving homeowners peace of mind that their project is protected and handled professionally. We take pride in being reliable, easy to work with, and delivering consistent results across every job.
- Get in touch
Best of Awards 2023
We provide top notch service on plumbing and drains, drain snaking hydro jetting , camera inspections , underground repairs, backwater valve, and pumps installations, we are backflow specialists, and we provide cross connection control. We can also be contacted at 647-671-2411
- Get in touch
- Best of Awards 2026
Best of Newly Listed 2025
Gargano Electric was founded with a bold vision and one goal in mind: to deliver exceptional customer service at every turn. We’re more than just a service provider; Gargano Electric is a committed electrical contractor offering a comprehensive approach from innovative planning to expert execution, redefining the contractor experience.
- Get in touch
Smart Comfort Air is a reliable and trustworthy company that has been providing the GTA area and surrounding cities with HVAC services.We sell,install,service and repair residential and commercial HVAC equipment. We have many special offers for our equipments with the lowest price and best quality.
- Get in touch
- Best of Awards 2024
Willfix is a full-service family owned construction company serving the Greater Toronto Area. Our team of highly skilled workers have 10+ years of experience. We prioritize customer satisfaction. Our services range from waterproofing, underpinning, foundation, concrete work, landscaping, and more. Remember, there’s no fix, Willfix can’t fix.
- Get in touch
Setamin Construction provides reliable home repairs, electrical work, and HVAC services across Toronto and the GTA. Founded by Ali Aein, our team has over 15 years of experience in Iran and more than 6 years in Canada. All projects are completed by skilled professionals who focus on quality, attention to detail, and timely service. From small repairs to full renovations, Setamin Construction ensures your home is in capable and trusted hands.
- Get in touch
At A-Plus Quality our goal is Total Customer Satisfaction Our company is considered one of the leaders in HVAC and Control for commercial, industrial and residential properties. We are Factory Authorized Carrier, American Standard, Lennox and Trane, Aprileair and Honeywell Dealers We hold Factory Awards with Carrier & American Standard All service technicians are fully licensed and trained. We are TSSA-approved and a member of HRAI for over 20 years.
- Get in touch
At D&A Homes&Renovations we create timeless, functional spaces by combining architectural design and expert construction, all under one roof. We believe in transparency. Estimates and invoices from trusted tradespeople and vendors, as well as our costs, are openly shared with you. We feel that transparency puts you in a position to help control the budget every step of the way. We value quality above all else and partner only with tradespeople and vendors who share this philosophy. Our focus is quality over speed, and do not hesitate to replace work that doesn’t meet our high standards.
- Get in touch
I am a highly experienced Master Electrician/business owner with a proven track record of successfully delivering complex commercial, industrial and residential electrical projects. With over 15 years of experience in the electrical industry, I have developed strong leadership skills and a deep understanding of electrical engineering principles. I am dedicated to driving project success through effective communication, problem solving and stakeholder management. My achievements include leading a successful customer focused business, completing complex projects in a timely manner and implementing saving measures ensuring seamless project execution for my customers. I offer the following services: Residential wiring, EV chargers, base build, duct banks, power distribution, panel upgrades, PLC programming/wiring/ troubleshooting, control wiring, machine & facility automation, robotics, automation, integration, maintenance, indoor/outdoor lighting, renovations, generators and after hours service.
- Get in touch
Looking for an HVAC company you can count on? Tru Comfort Heating & Air delivers trustworthy, professional, and affordable service every time. We specialize in all residential heating and cooling needs, including: • Furnaces & Air Conditioners • Heat Pumps & Ductless Systems • Fireplaces & BBQ Gas Lines • Tankless Water Heaters & Humidifiers • Pool Heaters & Gas Generators • Repairs, installs & maintenance We pride ourselves on quality workmanship, prompt service, and honest pricing. Whether it’s a quick fix or a full system upgrade, your comfort is our priority. Reach out today for a free quote.
- Get in touch
At Norground Electric, our mission is to deliver reliable, high-quality electrical solutions that power modern living. From EV charger installations to home renovations and outdoor lighting, we are committed to safety, efficiency, and customer satisfaction in every project.
- Get in touch
Aurora Star Tech Inc. is your trusted provider of gas fitting and heating, ventilation, and air conditioning (HVAC) services in the Greater Toronto Area (GTA). As a HomeStars verified company, we uphold the highest standards of quality and service. From installations to repairs, our skilled technicians deliver reliable solutions tailored to your needs. Experience the Aurora Star Tech Inc. difference today for professional, efficient, and customer-focused service.
- Get in touch
- Best of Awards 2026
Our first 5-star review on HomeStars dates back to May 2010. As a member of an HVAC Group of Companies, we are able to offer a wide range of widely recognized and respected brands—such as Bryant, Carrier, Weil-McLain, Armstrong Air, Ducane (Lennox), LG, NTI, and Midea—at very competitive prices. *** Why choose us? + 10/10 positive reviews on HomeStars.com and Google for all 3 locations in the GTA + More than 15 years of experience in HVAC installations + Google Verified and Guaranteed with 5-star rating based on 100+ reviews from all 3 locations (Toronto, Mississauga, Vaughan) + Fully licensed and certified team. Part of Home Renovation Saving Ontario Rebate Program + $2M Liability Insurance Coverage *** 3 locations: Toronto: 268 St Clarens Ave, Toronto, M6H 3W3 Vaughan: 112 Snidercroft Road #3A, Concord, L4K 2K1 Mississauga: 383 The Thicket, Mississauga, L5G 4P6 Working hours on weekdays: from 9 a.m. to 8 p.m. *** To guarantee fast services to our customers at this moment we provide services in the following areas of GTA: Toronto, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Aurora, Pickering, Burlington, Milton, Georgetown, Acton, Maple, Oakville, Newmarket, Barrie, Ajax, Oshawa and Whitby. If you live in other areas please contact us first. *** Rent to Own a Furnace or A/C just for $52.99/m+hst. Installation, free repair/maintenance services and all rental services included. *** Ask for more specials and promos
- Get in touch
At Optimus Mechanical , we take pride in providing reliable, honest, and high-quality HVAC services across the GTA and surrounding areas. Whether you need a new furnace, air conditioner, heat pump, water heater, ductwork installation, or gas line repair, our licensed technicians deliver top-notch workmanship and friendly customer service every time. We understand that comfort and safety come first — that’s why we use the latest tools, follow Ontario Building Code standards, and offer energy-efficient solutions that save you money year-round. From residential upgrades to commercial systems, we handle every job with care and precision.
- Get in touch
- Best of Awards 2026
Welcome to CORAL MECHANICAL INC. Your Premier Local Heating and Cooling Specialist At Coral Mechanical, we are dedicated to delivering top-tier heating and cooling solutions tailored to meet your specific needs. With a wealth of experience in the industry, we take pride in offering a wide array of services, ensuring optimal comfort and efficiency for residential and commercial spaces alike. **Our Services Include:** 1. HEATING (GAS, ELECTRIC & HEAT PUMP) : Furnace - Fireplace - Rooftop - Unit Heater - Ceiling Heater - Heat Pump - etc 2. COOLING : Centrally Ducted Air conditioner - Mini split ductless - Heat Pump 3. INDOOR AIR QUALITY : Humidifier, HRV, ERV, HEPA Filter and Air purification ensuring a healthier environment for you and your loved ones. 4. HVAC MAINTENANCE : We offer comprehensive HVAC system maintenance plans to keep your systems running smoothly, prolonging their lifespan and maximizing efficiency. **Why Choose Us?** - FLEXIBLE & LOW INTEREST RATES PAYMENT PLANS - WEEKLY PROMOTIONS - ADDITIONAL DISCOUNT for Government, Health Care and Military personnel - PROFESSIONAISM : Our skilled technicians are licensed, insured, and dedicated to delivering exceptional service. - RELIABLITY We prioritize punctuality and strive to complete every job efficiently and effectively. - CUSTOMER SATISFACTION Your comfort is our priority, and we go the extra mile to ensure your satisfaction with our services. Contact CORAL MECHANICAL today to experience unparalleled expertise and reliable service for all your heating and cooling needs.
- Get in touch
- Best of Awards 2026
- Best of Newly Listed 2025
We are your go-to experts for all things HVAC. Whether you need installation, service, or repair, we've got you covered. From furnaces to air conditioning, heat pumps to tankless water heaters, and everything in between, we ensure your home stays comfortable all year round. Our services also include mini-split systems, traditional water heaters, and top-of-the-line water and air filtration systems. Trust us for quality workmanship and superior service. **Please note that unfortunately we do not service condos/apartments buildings at this time.
