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If you’re looking for an HVAC contractor in Oshawa, we can help. HomeStars has a selection of Oshawa HVAC companies who are ready and eager to take on your project. Posting your project is easy and free, after which available pros can register their interest. Read reviews and receive and compare multiple quotes all in one place before hiring!

Some of our top rated hvac contractors in Oshawa

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  • Superior Care Home Services Inc takes pride in offering comprehensive heating and cooling services for diverse projects in GTA. With over a decade of experience, our portfolio reflects our commitment to quality work across various industries. We prioritize every project and value open communication for timely completion. Our dedicated representatives ensure transparency and offer a range of financing options, including fananceit financing. Our skilled engineers can assist with any floor plan for your HVAC project, and our referral network is available for additional support if needed. Experience the excellence of Superior Care Home Services Inc for all your heating and cooling needs.

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  • HVAC contractor in Oshawa

    We are an innovative company with professional and trained people Ready to help you! Guaranteed job!

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  • We are a team of fully licensed and experienced electricians, specializing in residential and commercial electrical services. With years of expertise in the field, we provide reliable, efficient, and code-compliant solutions for all your electrical needs. Our Services Include: ✔ EV Charger Installation – Home & commercial EV charging stations ✔ Electrical Service Upgrades – Panel upgrades, fuse box replacements ✔ Potlight Installation – Modern, energy-efficient lighting solutions ✔ Security Camera & Wiring – Enhanced safety with professional installation ✔ Troubleshooting & Repairs – Diagnosing and fixing electrical issues Why Choose Us? ✅ Licensed & Insured – Guaranteed safe and professional work ✅ Residential & Commercial Expertise – From homes to businesses ✅ Quality Workmanship – Attention to detail in every project ✅ Reliable & Punctual – On-time service with clear communication ESA/ ECRA 7016798 Contact Us Today!

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    • Best of the Best 2025
    • Best of Awards 2026

    Maydone HVAC and Appliance Repair is a Professional HVAC and Appliance Repair and Installation Service! Same Day Service offering a free diagnosis with repair! You can get it done fast or schedule a visit in the most suitable time for you. GET $30 off your first Repair with us! Enjoy your valuable time with what matters the most while we are taking care of your appliances.

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  • 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 ​

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  • Hi, i’m Avvy — your go-to expert for smart home and electrical solutions and handy work With years of hands-on experience and a strong focus on customer satisfaction, I specialize in a wide range of technical and electrical services including: Camera installation (CCTV and smart surveillance systems) Wire re-routing and cable management Light fixture installations Ethernet termination & internet switch setup Alarm system repairs and troubleshooting Whether you're upgrading your home network, securing your property, or simply making your space more efficient, I bring professionalism, precision, and a problem-solving mindset to every project. ✔️ Punctual & reliable ✔️ Clean and organized work ✔️ Friendly, clear communication ✔️ Always focused on safety and long-term performance Let’s make your home smarter, safer, and more connected — reach out today to get started!

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    • Best of the Best 2025
    • Best of Awards 2026

    About Us For more than a decade, Eco Star Home Services Co. has dedicated itself in providing affordable and reliable home comfort solutions that every family deserves. We are a leading provider of furnaces, air conditioners, water heaters, water treatment systems, IAQ (indoor air quality) products, home insulation, maintenance and protection plans, and other HVAC (Heating, Ventilation and Air Conditioning) related services. At Eco Star, our goal is not simply selling HVAC products to you. We go above and beyond what you would expect from us. To us, your comfort does not only mean cool air for hot days or warm heats for cold days. It also means your experience in working with us is pleasant and satisfying. With this customer-first focus in mind, we carefully source and build up teams consisting of professional sales, experienced technicians and friendly customer services that you can trust and rely on. Our exceptional service has won us A+ BBB (Better Business Bureau) rating, and Best of 2020 Award from HomeStars. Eco Star serves over thousands of customers annually, and we hope to have you as a customer soon! We sincerely welcome you to visit our brand new 15,000sq feet showroom conveniently located off Hwy 404 and 407, where our friendly sales and customer service team will warmly greet you and answer all your questions. Thousands of old and new customers come back to us year after year because of: Our History Now, Then and Always, we will be here for you. Eco Star is not a flash-in-the-pan company. Established in 2008, and over the past 12 years, we have grown into a thriving company with a 5 million insurance coverage, and a brand new 15,000 sq feet showroom based in Markham. Our proudest accomplishment is the large number of long-term customers who year after year put their trust in us. Our Attitude What sets us apart from the competition is that we're passionate about the products and services we provide and quality of support. Quality is a word being used too often. But here, we mean it. At Eco Star, we listen carefully to customers’ needs and provide the solution most suitable for them. We encourage each other to achieve excellence in all endeavours and aren't satisfied until our customers are satisfied. We always welcome and act on your feedback so we can improve every aspect of our business. Our experience To date, we have successfully provided over 15,000 heating, cooling, water heaters, and other related HVAC solutions to customers across the residential and commercial sectors. This extensive experience managing all types of HVAC projects means we will handle every detail and coordinate all aspects so you can rest assured that your project will be completed on time and on budget. And we don’t settle with “good enough”. Our sales and technicians are provided with continuing education opportunities on a regular basis to allow them to stay current with the latest products and technology. Our Support We all know how frustrating it can be to have a problem and not get the support promptly. Our expert team is here to help you and we strive to provide the best customer service possible. To underscore that statement, on top of our standard, office-based support, available from 9 AM to 6 PM, Monday to Sunday, we take support one step further by offering 24/7 customer service! Our One-Stop Service We handle all aspects of your HVAC related needs. We are here to offer you a one-stop service from finding the right product for your HVAC needs, explaining the rebate process, and arranging a Registered Energy Advisor. We take all stress of going through rebate application. Eco Star Home Services is a participating contractor with a wide variety of heating and cooling incentives programs. Receipt of Eligible Rebates Guaranteed! We take care of the complicated stuff so you can take care of your family and work. So, let's get started... Looking for home comfort solutions? Look no further, give us a quick call or simply send us an email to get your HVAC project rolling today. We know you won't be disappointed.

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  • With over 17 years of industry experience, we specialize in high-quality home renovations and flooring solutions. Our expertise covers all types of flooring installation, custom staircases, and complete renovations of kitchens, bathrooms, and basements. We take pride in our attention to detail, skilled workmanship, and commitment to customer satisfaction. Whether it’s a small repair or a complete home makeover, no job is too big or too small—we treat every project with the same level of care. We are WHMIS Certified, Fall Protection Certified, fully insured, and registered with WSIB. Whether you're upgrading a single room or transforming your entire home, we deliver reliable, professional service from start to finish.

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  • HVAC contractor in Oshawa

    Hi, my name is Ashish, and I’m a dedicated plumbing apprentice with over 2.5 years of experience helping homeowners with their plumbing needs. I specialize in drain cleaning, faucet and shower replacements, toilet installations, and all types of plumbing renovations. I can also take care of any plumbing leaks quickly and efficiently. I take pride in doing the job right the first time and making sure my customers are fully satisfied. Whether it’s a repair, renovation, or a new installation, you can count on me for reliable, professional, and affordable service. Looking forward to helping you with your next project!”

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  • Licensed and insured gas technician. Serving the GTA for ten years, for all gas related installs such as furnace, tankless water heater, water heaters, gas lines install, gas stove hook ups, fireplace, red tag removals. Very fair priced, take pride in the work we do.

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  • Mountain Air Home Service is a heating and cooling company registered in Ontario with 9 years of experience. Fully licensed and insured. Good at installing and troubleshooting residential furnaces, ACs, water heaters, humidifiers, ductwork, gas lines and so on.

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  • At The One Interlocking & Landscaping, we specialize in transforming outdoor spaces and offer professional design and construction services. Whether you need durable interlock pavers for your driveway, patio, hardscape backyard, custom-built flower beds, retaining walls,steps or natural stone, we bring expert craftsmanship to every project. Why Choose us ? 🤷 - 16 Years in Business - Competitive price! - Top Quality Work, Your 100% satisfied is guaranteed - Solid Reputation in the industry - 1000+ finished projects to be visited - Numerous satisfied customer feedbacks and 5 🌟🌟🌟🌟🌟 Google reviews Please call or text Chelsea for a free quote today 🤟

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    • Best of the Best 2025
    • Best of Awards 2026

    Megacity Heating and Air Conditioning Ltd is a proud family owned business serving the GTA since 1999. Our HVAC techs are licensed, checked and fully certified so you can feel confident in our expertise. Megacity offers our customers 24 hour emergency service, installation and maintenance on most makes and models including but not limited to Lennox, York, Navien, Fujitsu, Ducane, Rinnai and Goodman. Ask us about our customized protection plans. Customer Service is our #1 Priority!!!

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  • 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…

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  • HVAC contractor in Oshawa

    With over 30 years of hands-on experience in the trades, I’ve built a reputation for quality, reliability, and honest work. My background includes a wide range of residential and commercial projects — from HVAC installation and service to general home repairs and renovations. I’ve worked with homeowners, contractors, and businesses, always bringing a strong attention to detail and a commitment to getting the job done right. I’m based in [Your City], and I proudly serve surrounding areas including [List nearby towns or regions]. Whether you’re in the city or a bit outside, I’m willing to travel to ensure my clients get the help they need. My skill set includes: • HVAC installation, maintenance, and troubleshooting • Electrical and plumbing repairs • Appliance installation and service • Home renovations and general carpentry • Diagnosing and solving complex technical issues • Excellent communication and customer service What sets me apart is my dedication to treating every home like it’s my own. I take pride in being dependable, respectful, and transparent with every job — no cutting corners, no surprises. My goal is always to leave my clients feeling confident in the work I’ve done and satisfied with the service they’ve

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4.9

Top rated HVAC contractors

Our HVAC contractors in Oshawa, are rated 4.9 out of 5 based on 195 reviews from homeowners like you.

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What services are offered by HVAC contractors in Oshawa?

Oshawa HVAC companies offer a range of solutions to keep homes and offices comfortable year-round. They provide heating, cooling, and ventilation services to ensure indoor air quality and consistent temperature control, whether for snowy, cold winters or warm, humid summers typical in Oshawa.

Here are some of the most common services offered by HVAC companies in Oshawa:

  • Heating services: Installation, maintenance, and repair of furnaces, boilers, and heat pumps.
  • Air conditioning services: Installation and servicing of central AC and ductless systems.
  • Ventilation services: Various systems that manage seasonal humidity swings, help prevent condensation, and maintain balanced airflow in many Oshawa homes.
  • Indoor air quality solutions: Whole-home humidifiers, dehumidifiers, and air filtration systems to reduce allergens, manage Oshawa’s summer humidity and winter dryness.

It’s easy to get your Oshawa HVAC needs sorted on HomeStars. Just post your project, and local HVAC companies will register their interest. If you prefer, you can visit our directory of HVAC contractors to connect with pros directly.

What makes hiring HVAC contractors in Oshawa unique?

Oshawa HVAC contractors understand the city’s seasonal swings, from cold, snowy winters to hot, humid summers influenced by Lake Ontario. They know how to select and install systems that perform reliably year-round while addressing local building conditions and energy requirements.

  • Winter reliability: Extended cold spells and occasional ice storms can affect performance and efficiency of various kinds of heating systems. It’s important to ensure systems are properly sized and installed for consistent warmth.

  • Humidity management in summer: Oshawa summers can bring high humidity, which may cause indoor discomfort or mould growth. Local HVAC contractors can design and/or install systems that focus on balancing ventilation, dehumidification, and air conditioning.

  • Older home considerations: Many Oshawa homes have older ductwork or building layouts. Adapting installations and developing maintenance strategies helps systems to work efficiently with existing structures.

  • Local permit and code compliance: Significant system upgrades, gas lines, or ductwork modifications may require municipal building permits and inspections. Oshawa HVAC contractors can handle these to ensure work meets local regulations.

Find heating contractors in Oshawa on HomeStars

Finding heating contractors in Oshawa doesn’t have to be hard. HomeStars takes the cold-calling and endless searching out of the process, saving you both time and energy. Just follow these simple steps:

  1. Start by posting your project on HomeStars. Provide a clear description of your HVAC needs and, if possible, include photos to get precise quotes.
  2. Receive interest from available pros, review work history, and read customer feedback for HVAC pros in Oshawa.
  3. Connect with HVAC contractors in Oshawa to discuss your project, request and compare quotes, and ask any questions.
  4. Hire the right pro to get the job done and leave a review based on your experience. Our review system ensures that HVAC pros are rewarded for good work and held accountable for any problems.

When joining HomeStars, pros undergo checks at registration - such as ID documents, company details, certifications for regulated jobs and skill assessments - allowing you to hire with confidence.

Extra peace of mind with the HomeStars Confidence Program

The HomeStars Confidence Program is designed to give you added confidence when hiring through our platform. If your job qualifies under the Program and we determine that a claim meets the Program requirements, HomeStars may cover what you owe the Pro on an eligible job with a quote of up to CAD $10,000, in line with our terms and conditions.

What are the average costs of HVAC services in Oshawa?

The costs of HVAC services in Oshawa vary based on the type of system, the work required, and whether it’s an emergency or after-hours service. Hourly rates typically range from $85 to $140 during regular business hours, while emergency or weekend service can nearly double the cost.

Here are some typical costs for common HVAC services in Oshawa:

  • Furnace installation: about $4,000 – $7,000 for a high‑efficiency gas furnace installed.

  • Air conditioner installation: generally $4,000 – $7,000 for a central AC system.

  • Heat pump installation: around $4,200 – $7,800, with ductless systems on the lower end and larger capacity units on the higher end.

  • Ventilation services: duct cleaning often ranges from $300 – $600, while installing an HRV or ERV system can cost approximately $1,800 - $4,500 depending on home size and ductwork requirements.

  • Heating system maintenance or inspection: routine service visits, including filter changes and system checks, usually cost about $90 - $275.

For more detailed information on costs to expect, our guide to heating and cooling costs in Oshawa should help.

HomeStars Tip: We suggest that you clarify with your Oshawa heating contractor what’s included in their estimate, and that you request everything be detailed in a written quote. This supports transparency and avoids misunderstandings.

What to ask an HVAC company in Oshawa before hiring?

Before hiring an HVAC company in Oshawa, it helps to ask key questions to ensure the work is safe, compliant, and suited to your home’s needs.

Are you licensed and insured in Oshawa?

Most HVAC work, especially gas, boiler, or high-capacity heating systems, requires pros to be licensed. Ask your preferred HVAC contractors in Oshawa for proof of licences and liability insurance to protect yourself in case of accidents or damage.

Will you handle permits and inspections if required?

Many HVAC installations in Oshawa, such as furnace replacements, gas lines, or boiler systems, require permits and inspections under provincial and municipal regulations. Confirming that your preferred Oshawa HVAC contractor will manage permits and inspections helps ensure the work meets local codes and safety standards.

What types of HVAC systems do you work on?

Some Oshawa HVAC contractors specialize in furnaces, boilers, air conditioning, or heat pumps. Confirm they have experience with your system type to ensure proper installation or repair.

Do you offer maintenance or service plans?

Regular maintenance improves efficiency and extends system life. Check if your Oshawa HVAC contractor offers annual inspections, filter changes, or seasonal tune-ups as part of a service plan.

What system do you recommend for the most cost‑efficient heating in typical Oshawa homes?

Oshawa’s mix of older and newer houses means energy use can vary widely. Asking this helps you understand whether a heat pump, high‑efficiency furnace, or hybrid setup offers the best long‑term operating cost for your specific property.

How will you tailor airflow and ductwork for energy efficiency in my home?

Many Oshawa homes have uneven heating or airflow due to legacy duct layouts or room additions. This question checks whether the contractor plans to optimize ducts, zoning, or dampers to reduce wasted energy and improve comfort.

FAQ: Common questions about HVAC services in Oshawa

Can an Oshawa heating contractor help me decide which system is best for my home?

Yes. Oshawa HVAC contractors understand the city’s cold winters, humid summers, and typical home layouts. They can recommend the right furnace, heat pump, or hybrid system for your property, and you can easily connect with local HVAC contractors in Oshawa through HomeStars.

How can HVAC systems handle humidity near Lake Ontario in Oshawa?

Homes near Lake Ontario can experience higher summer humidity and rapid temperature changes. Oshawa HVAC contractors can size systems appropriately and recommend dehumidification or ventilation solutions to maintain comfort and protect indoor air quality.

What HVAC solutions work for older homes with limited attic or crawl space access in Oshawa?

Many older Oshawa homes have tight spaces or outdated ductwork, which can complicate upgrades. HVAC contractors can suggest ductless systems, compact units, or other retrofit options that improve heating and cooling without requiring extensive structural changes.

Do Oshawa HVAC contractors offer energy audits?

Some Oshawa HVAC contractors provide home energy assessments to identify ways to improve efficiency and reduce heating and cooling costs. These audits often consider Oshawa’s cold winter temperatures, humid summers, and building characteristics, recommending insulation, ventilation, or system upgrades tailored to local conditions. On HomeStars, you can easily find Oshawa-based HVAC contractors for audits that focus on heating and cooling, or you can find home inspectors near you for a full home audit.

Can HVAC companies in remove old equipment?

Many Oshawa HVAC companies include removal and disposal of old units as part of installation services. They ensure that outdated furnaces, boilers, or heat pumps are safely transported and disposed of according to Ontario’s environmental regulations. Confirm with your Oshawa HVAC contractor in advance whether removal is included in their services.

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