
Some of our top rated water heater installers in Oshawa
Sort by:
- Get in touch
- Best of the Best 2025
- Best of Awards 2026
Heating & Air Conditioning MORE THAN 20 YEARS EXPERIENCE IN Install or replace heating systems, FURNACE REPAIR, FURNACE INSTALLATION, FURNACE REPLACEMENT, HEATING SYSTEM INSTALLATION, .CERTIFIED AND INSURED COMPANY.REPAIR AND SERVICE AND INSTALLATION OF ALL HVAC EQUIPMENT FOR RESIDENTIAL SUCH AS FURNACE,AIR CONDITIONER,BOILER,HOT WATER TANK,TANKLESS WATER HEATER,DUCTLESS AIR CONDITIONER,ROOF TOP UNIT,ALL KIND OF FILTER AND ... ________________________________________ FURNACE,AIR CONDITIONER,AIR CONDITIONING,AIR CONDITION,BOILER,HOT WATER TANK,TANKLESS WATER HEATER,DUCTLESS AIR CONDITIONER,ROOF TOP UNIT,FIRE PLACE REPAIR,ALL KIND OF FILTER and Gas Fireplace Services & Repairs Toronto ... _______________________________________ AMERICAN STANDARS , TRANE,CARRIER,GOODMAN,KEEPRITE,NAVIEN,RINAE,COOLMAN,LENNOX,ARMSTRONG,Lennox, Amana, American Standard, Rheem, Rinnai,Napoleon, Noritz,White Rodgers,Honeywell,Oil or Electirc to Gas conversion., Indoor Air Quality testing. Heating, cooling, furnace, gas fireplace, electric fireplace, air conditioner, A/C, indoor air quality, boiler, hot water tank, tankless water heater, duct cleaning, ductless air conditioner, heat pump, custom duct work, humidifier, thermostats, HRV, ERV, hepa filter, indoor air quality, filters, gas line installation, in floor heating, electronic air cleaner, gas stove, service, maintenance, repair, fix furnace, residential, commercial cooling.
- Get in touch
- Best of the Best 2024
- Best of Awards 2026
We Are All About You Our Mission is - To Make Our Customers Happy & Comfortable In Their Homes. With every service we provide, we ensure quality is delivered within your budget. Blue Ladder Home Improvements is a licensed and insured company with a wealth of knowledge and experience.
- Get in touch
$39 CAD flat rate for diagnostics (including taxes). Free option: Online consultation "Ask me online for free." A physics teacher against the old bureaucracy, results-oriented, and transparent. Get the Professional Quality You Deserve Without the "Big Company" Price Tag! Why pay more for a service call when you can hire an expert who truly understands the science behind your appliances? My name is Sergii, and I bring a unique blend of engineering precision and honest, transparent pricing to every home I visit. As a former high school Physics and Mathematics teacher with 2 years of professional appliance repair experience in Canada, I don’t just "swap parts"—I diagnose the root cause with scientific accuracy. Why Homeowners Choose Me: Affordable & Fair: No hidden fees or corporate markups. You get high-end expertise at a price that respects your family budget. Precision & Skill: From complex circuitry to mechanical fixes, my background in physics ensures the job is done right the first time. Clean & Safe Workspace: As a father of three, I know a functional home is a safe home. I treat your house with the same care and cleanliness I do my own. Honesty Above All: If it’s cheaper to buy a new machine than to fix the old one, I’ll tell you upfront. Stop overpaying for repairs. Choose the sharp mind and skilled hands that guarantee results. Message me today for a quote!
- Get in touch
We are your expert hvac service provider offering the following: 1. Furnace repair, maintenance and installation 2. AC repair, maintenance and installation 3. Water heater/tankless water heater repair and installation 4. BBQ gas lines installation 5. Pool Heater repair 6. Water softener service and installation 7. Boiler service, maintenance and installation For more information, please do not hesitate to contact us.
- Get in touch
At Energy Wave Solutions, we provide reliable hydronic heating and cooling services, plumbing, and complete system installations across the GTA. With certified G2 licensing from TSSA and licensed plumbing expertise, we ensure your home comfort systems run safely and efficiently year-round. What sets us apart? As a company, we bring together specialized and licensed teams in HVAC, electrical, and plumbing, ready to solve your needs quickly and professionally. From hydronic systems and in-floor heating to furnaces, air conditioners, and plumbing repairs, our experts deliver results you can count on. Beyond installation and repair, we also provide consultation and system design for HVAC, electrical, and plumbing projects. Whether you’re planning a new build, upgrading your comfort systems, or optimizing for energy efficiency, we guide you with tailored solutions that fit your space and budget. Our promise is simple: honest pricing, fast response times, and lasting results. Contact us today for a free quote and experience the difference of working with a contractor who truly cares about your comfort and peace of mind.
- Get in touch
- Best of Awards 2026
- Best of Newly Listed 2025
This family business has been around for over three decades, selling, installing, and providing services. We believe in delivering excellence and our core values centered around Integrity and respect which have been part of our company’s success since our founding in 1996. We carry most major brands but mainly deal with Lennox and we also deal with Kenmore, Goodman, York and Carrier. We specialize in Residential and commercial establishments in the GTA . Our products include packaged rooftop units, split systems, Indoor air quality systems, condensing units, fireplaces, pool heaters, Hot water tanks/Tankless and related equipments.
- Get in touch
- Best of Awards 2026
We are a company that will work with you to achieve your goals, nothing is too small or to big, we’ve have designed to completion of projects We’ve hung picture frame and mirrors. We are a team from design to a selected trades and meticulous taste. Thirty years of experience in construction, ready to deliver. Custom is our standard.
- Get in touch
Moral Maintenance Corp can help you with your install or replace water supply and drainage, unclog drain , install or repair faucets, repair toilet or toilet flush, install or repair bathroom fixtures, stop leakage, build or renovate well, clean or maintain septic tank or grease trap, install, replace or repair sewer main, install or replace drainage system, install or repair water heaters & install or replace garbage disposal request in Toronto and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with Moral Maintenance Corp now to discuss your needs and arrange a quote.
- Get in touch
Skyline Mechanical Contracting provides HVAC installation and repair for homes and businesses across the GTA air conditioning, furnace installs, and ductwork. With years of hands-on experience on residential and commercial projects, we deliver honest assessments, clear quotes, and reliable, on-time work. Licensed and insured. Whether it's a new AC before summer or a furnace repair before winter, we get it done right the first time.
- Get in touch
Scarborough-based HVAC and refrigeration experts serving all of Ontario with affordable, reliable service.
- Get in touch
Golden Team Construction Inc is a family-owned and operated business with a long history of serving our community. Our company was founded on the belief that every construction project should be completed with the highest level of quality and craftsmanship. Today, we remain committed to that vision, delivering exceptional results for our clients. Our team is made up of experienced professionals with a passion for construction. Whether you’re working with our architects, builders, or contractors, you can expect a high level of expertise and commitment to your project. We take pride in our work and are dedicated to building the future together with you. When it comes to taking care of your construction project, leave the hard work to us! We provide affordable services for properties across GTA. Our professional team handle everything from new design to full operation or renovations. Golden Team Construction Inc, will turn your construction dreams into reality. Our company is dedicated to providing expert construction services for both residential and commercial properties. With years of experience in the industry, our team is committed to delivering high-quality workmanship, excellent customer service, and a commitment to exceeding your expectations. We believe in building more than just structures; we build relationships with our clients. Contact us today to learn more about how we can help turn your construction dreams into reality. At Golden Team Construction Inc, we offer a wide range of construction services to meet your needs. Whether you’re looking to remodel your home, build a new one, enhance your outdoor space, or construct a commercial property, we have the experience and expertise to get the job done right! Our landscaping experts will transform your outdoor spaces into beautiful and functional oasis. From garden design to hardscaping, we’ll help you create a space that meets your needs and reflects your style.
- Get in touch
PK Heating & Cooling Inc. is a trusted HVAC company serving Toronto and the Greater Toronto Area since 2010. We specialize in the installation, maintenance, and repair of furnaces, air conditioners, boilers, water heaters, tankless systems, and custom ductwork for both residential and commercial clients. Fully licensed and TSSA certified, we are committed to delivering high-quality workmanship and exceptional customer service. Our services come with a 10-year parts and 1-year labor warranty, ensuring peace of mind for our clients. Whether it's a new installation or routine maintenance, we're here to keep your indoor environment comfortable year-round.
- Get in touch
Avita HVAC is a TSSA-certified G1/G2 Gas Technician and fully insured, incorporated company serving the GTA. With over 15 years of international expertise in mechanical trades, we specialize in high-quality heating and gas solutions. Core Competencies Experience: Our lead technician brings advanced knowledge in system design, blueprint reading, and flawless project execution—ensuring we tackle complex jobs that others can't. Services: Installation, repair, and annual maintenance for Furnaces, Tankless Water Heaters, A/C units, and gas piping. We work on all major residential and light commercial brands. Skills: Expertise in advanced diagnostics, high-efficiency equipment, and strict adherence to the Ontario Gas Code. Why Choose Avita HVAC? We offer a unique combination of extensive experience and local, reliable service. We guarantee transparent, up-front pricing and prioritize your family’s safety. We proudly service Toronto (North York, Etobicoke, Scarborough), Vaughan, Richmond Hill, Mississauga, and Markham. Contact us today for safe, expert service and a free quote!
- Get in touch
- Best of the Best 2025
- Best of Awards 2026
Welcome to Empower Home Comfort. We pride ourselves on being a one-stop-shop that is able to meet all of our client’s needs. Our goal is to provide the highest quality design and installation services, on schedule, and on budget along with outstanding customer service. We understand that time and cost are crucial so we strive to go above and beyond our client’s expectations.
- Get in touch
InnoGreen Solutions operates as an Ontario-based residential mechanical and building science partner, providing whole-home infrastructure upgrades across the Greater Toronto Area, Golden Horseshoe, Niagara Region, and Cottage Country. Engineered specifically for the demands of the Canadian climate, the firm manages the multi-disciplinary requirements of modern residential properties—spanning high-efficiency climate control, domestic water systems, building envelope optimization, and energy program administration. The company’s technical scope encompasses the installation of cold-climate heat pumps, high-efficiency gas furnaces, central air conditioning, multi-zone ductless mini-splits, tankless water heaters, hybrid heat pump tanks, whole-home water filtration, blown-in attic insulation, and precision air-sealing. Rather than relying on guesswork, InnoGreen Solutions utilizes an assessment-first methodology to evaluate a property's true thermal load, pairing clear, itemized proposals with seamless navigation of energy advisor assessments, provincial rebates, and financing options. TSSA contractor - 313D - 2M Liability Insurance - WSIB - All technicians G or G2 certified. Background Checked.
- Get in touch
A have worked in construction/renovations for over 10years,Am flexible i can work anywhere in the GTA.Am a hardworking with strong organizational skills. Ready to work with the team and achieve company goal.

