Some of our top rated air conditioning repair specialists in Mississauga
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We have established ourselves as an efficient and professional heating and air conditioning company with over 35 years experience in the HVAC field. We are a licensed residential and commercial gas, refrigeration and air condition company with training in many manufactured furnace air condition, boiler, ductless and tankless etc. A & A Heating has also helped provide practical training for young people through Technical Colleges in Ontario. We provide free quotes and you can visit our showroom at 22 Steinway blvd Unit 20 by appointment only!
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TrueFlow HVAC Services provides HVAC maintenance, system cleaning, and diagnostic support for residential and light commercial clients across the GTA. Our focus is on improving comfort, efficiency, and reliability through preventative care, detailed inspections, and timely troubleshooting. We help identify and address small issues early to prevent larger, more costly problems down the line. While we specialize in routine maintenance and system performance optimization, we are also available to assist with a wide range of heating and cooling service needs. Our work includes furnace and air conditioning maintenance, airflow and system checks, cleaning of key components, and general HVAC diagnostics for both residential and light commercial systems. At TrueFlow HVAC Services, we prioritize honest service, clear communication, and dependable workmanship. Our goal is to build long-term trust with clients by delivering consistent, reliable service and practical solutions that keep systems running safely and efficiently year-round.
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Alderwood Mechanical is a trusted HVAC company focused on delivering high-quality heating, cooling, and mechanical services with honesty, precision, and long-term value. We specialize in furnace installations, air conditioning systems, boiler services, water heaters, tankless systems, heat pumps, ductwork, maintenance plans, and emergency repairs for residential and commercial properties. Our philosophy is simple: customers should only pay for what they truly need. We believe in ownership over rentals, transparent pricing over hidden fees, and building long-term relationships through reliable service and expert workmanship. At Alderwood Mechanical, we combine modern solutions with old-school integrity. From routine maintenance to full system upgrades, our goal is to provide comfort, efficiency, and peace of mind with every job. We take pride in clean work, fast response times, and delivering an experience that feels professional, trustworthy, and built to last. HVAC Services Furnace Installation & Repair Air Conditioning Installation & Repair Boiler Services Heat Pump Installation & Service Rooftop Unit (RTU) Service Ductwork & Ventilation Gas Line Installation Indoor Air Quality Solutions Emergency Repair And more
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🏗️ Welcome to Unity Mechanical Group— Your All-in-One Construction & Trades Group, we bring your vision to life with precision, reliability, and craftsmanship. As a full-service General Contracting company, we specialize in delivering seamless construction solutions—from ground-up builds to renovations and everything in between. But we don’t stop there. 💡 Electrical ❄️ HVAC 🚿 Plumbing We’re proud to offer expert-level services in HVAC, Electrical, and Plumbing, making us your one-stop shop for residential, commercial, and industrial projects. Whether it’s installing high-efficiency heating and cooling systems, wiring a new facility, or ensuring flawless plumbing infrastructure, our certified technicians and skilled tradespeople handle it all with unmatched professionalism. 🔧 Why Choose Us? • Licensed & insured professionals • Transparent pricing & timelines • Quality workmanship backed by warranties • Personalized service tailored to your project needs From blueprint to final inspection, we’re committed to excellence, safety, and customer satisfaction. Let us take the stress out of your next project—because when you work with Unity, you’re not just hiring a contractor, you’re partnering with a team that cares!
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Best of Awards 2026
Property Clinic Inc. | The GTA Gold Standard for Precision Maintenance Property Clinic Inc. (P.C.I.) is an engineering-led contractor providing high-precision electrical, plumbing, and HVAC services across Toronto and the GTA. Powered by Licensed Master Electricians and Licensed Master Plumbers, we deliver commercial-grade technical discipline for luxury homes, high-rise condos, and complex heritage properties. A HomeStars Gold Member and 2026 Best of Award recipient, we serve discerning clients who prioritize safety, regulatory compliance, and lasting quality over cheap, high-turnover work. Core Services: Electrical (ESA/ECRA): 200A panel upgrades, EV chargers, smart-home & fan-coil controls. Plumbing: High-rise condo systems, luxury fixtures & critical leak prevention. HVAC: Hydronic heating, specialized fan-coil units & high-efficiency climate systems. We navigate strict OESC safety codes and condo board rules with complete ease. Quality is the best investment—let us provide the mastery your property deserves.
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Best of the Best 2022- Best of Awards 2022
AW Mechanical handles heating and air conditioning with over 30 years of experience. Ask for Tony. Servicing all makes and models in the GTA. Servicing both residential and commercial. At your service! Some of the services that we offer are, FURNACES,AIR-CONDITIONERS,HUMIDIFIERS,THERMOSTATS, FILTERS,COMMERCIAL REFRIGERATION, HOT WATER TANKS, GAS PIPING, UNIT HEATERS (COMMERCIAL), DUCTLESS AIR CONDITIONERS
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"Reliable and detail-oriented handyman specializing in general home repairs and electrical upgrades. Whether you need light fixtures replaced, outlets updated, smart home devices installed, or everyday household maintenance tackled, I prioritize safety, efficiency, and clean work. Proudly helping local homeowners check off their to-do lists with quality results they can trust!"
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Wasim is a Mississauga based Handyman, Carpenter, Cabinet maker & Kitchen Renovation Company in addition to HVAC certified. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with assemble or disassemble furniture & build furniture, message us so we can assist you and arrange a quote.
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- 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.
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DRM Projects is a full-service general and electrical contracting company based in Toronto, Ontario. We specialize in residential, commercial, and light industrial construction and renovation projects, offering end-to-end solutions from planning and project management to high-quality execution. With a strong foundation in electrical contracting and a growing portfolio of full-scale construction work, we bring technical expertise, attention to detail, and a commitment to client satisfaction to every job. Whether it’s a full commercial fit-out, a custom home renovation, or specialized electrical installations, DRM Projects delivers professional, code-compliant, and cost-effective solutions. We’re fully licensed and insured, and we work closely with clients, engineers, and inspectors to ensure every project meets both your vision and Ontario’s building codes. Our team is known for reliability, clear communication, and getting the job done right—the first time.
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Deetay can help you with your install garden or outdoor lighting, install sprinkler system, yard design / landscaping, pave outdoor and garden, install fence, build pergola, gazebo or garden house, yard maintenance, install or renovate swimming pool, install or maintain pond, lay lawn or sow grass, level or excavate soil, install or replace water fountain, landscape curbing, winter services and snow removal, brick and stone flatwork repair & soil, sand, mulch, or rock delivery request in Mississauga and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with Deetay now to discuss your needs and arrange a quote.
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Installation & service of Furnace AC Water Heater Heat Pump Roof Top Unit Gas lines Duct work
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CERTIFIED LOCAL COMPANY IN BRAMPTON FOR HEATING AND COOLING Nutech Air System is your local expert available 24/7 for your home comfort and safety. We are certified and registered heating, ventilation & air conditioning professional company and serving quality service in Brampton, Toronto, Mississauga, Vaughan, Caledon, Bolton, Richmond Hill, Markham and all around GTA for last fifteen years. Our certified team is dedicated to provide efficient & professional service to keep your home at comfort. Our certified and reliable service technicians are experts in tune-up, maintenance, repair and installation of all trusted brand furnaces, air conditioners, air handlers and inside air quality equipment’s such as Carrier, Goodman, Keeprite, Trane, Lennox, Rinnai, York, Rheem for energy efficiency. Our skilled professionals just minutes away, whether you’re in need of a furnace repair in the middle of a blizzard or our air conditioning services throughout the summer. WHY NUTECH? Nutech Air System is HRAI member, WSIB insured, TSSA certified and available 24/7 whenever you need and provides professional repairs of all makes and models of heating and cooling systems, we do it all. We also offer rebate and energy benefit and various solutions to lower your heating and cooling expenses without losing your comfort. In addition, all of our work is 100% guarantee for a full year. That’s why we say “Value and Reliable Service” Guaranteed. WE RENT WATER HEATERS
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Ask yourself when was the last time a technician gave you a print out of your combustion analysis or posted it on your furnace? If you’re not testing your guessing. Equipment these days doesn’t last longer than 10 years and everyone says they don’t make them like they used to… wrong, it’s not installed and commissioned properly, if it was they can last a lifetime. What you get with us is: Combustion Analysis for proper fuel combustion, airflow adjustment and static pressure test, both intake and exhaust piping, testing port on flue pipe, neutralizer, surge protector and proper gas sizing for upgrades to tankless which is imperative to proper operation. Look at any other ad and you won’t see any of the things listed. 1 year full parts and labour warranty followed by manufacturer warranty and free maintenance on your furnace and air conditioner after one year even if your only get one unit. Get it done right because you can never fix the damage done once a unit starts up miscalibrated. We only install top of the line modulating, variable speed furnaces, quietest and most efficient on the market.
