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Furnace Installation Services

Furnace Installation in Oshawa, ON

High-Efficiency Furnace Installation for Maximum Winter Savings and Reliable Heat

Embrace the forthcoming winter with confidence as Marx Mechanical Heating and Cooling, a respected family-owned business with two decades of experience, stands ready to transform your home into a haven of warmth. Our commitment to excellence and personalized service has made us a trusted name.

Don’t settle for a subpar furnace installation in Oshawa, ON; choose Marx Mechanical Heating and Cooling as your trusted partner. Explore the journey from selecting the ideal furnace to experiencing the comfort of a professionally installed heating system.

Upgrade your outdated system with a high-efficiency furnace and immediately start benefiting from significant reductions in your monthly heating bills. Contact us at (289) 301-0414 or fill out our online form.

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Getting Started in Simple

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Areas We serve

Providing service to Uxbridge, Ontario and other surrounding areas.

  • Ajax
  • Aurora
  • Newmarket
  • Oshawa
  • Pickering
  • Richmond Hill

DIY Dilemmas: The Pros And Cons Of Self-Installation

While the appeal of a DIY project is undeniable, installing a furnace requires advanced knowledge and careful planning. Consider the pros and cons:

If you're unsure whether to attempt a self-installation or hire a professional, weigh the following pros and cons:

  • Cost savings: You may save on installation costs by taking the DIY route, especially if you already possess some relevant experience.
  • Flexibility: Working at your own pace gives you full control over your schedule and timeline.

Consider the following drawbacks before starting a DIY furnace installation:

  • Safety concerns: Mishandling gas lines or electrical components can create serious safety risks for your home and family.
  • Performance issues: Improper installation often leads to reduced efficiency, higher energy bills, and frequent breakdowns, offsetting any initial savings.

If you are weighing the decision to replace an aging furnace, keep in mind that professional furnace installation in Oshawa helps ensure compliance with local safety and efficiency guidelines. In the Oshawa area, certain rebates and incentives are available for upgrading to high-efficiency units. Navigating these programs, while ensuring your new system meets City of Oshawa requirements, can be challenging without the guidance of an experienced team. Our professionals manage permits, scheduling, and technical details, freeing you from the risks commonly associated with do-it-yourself work.

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Make Marx Your First Choice Read Some of Our Five Star Reviews

    "Great service!"

    We have used Marx Mechanical on a number of occasions now and they are always professional and reasonably priced. I would recommend them if you are in the Uxbridge area!

    Kolton K.
    "I would highly recommend Marx Mechanical!"

    Marx Mechanical replaced our old furnace with a new heat pump which has kept our house warm all winter. They worked with us to find the perfect system for our home and our unique needs.

    Serena E.
    "They have earned my trust!"

    I received a quick reply from Marx and they were able to see me even faster than promised.  In my conversations with the repair person, I felt that he knew his stuff and provided a lot of helpful information. I will continue to call on them when needed.

    Dave M.
    "The team at Marx Mechanical did an amazing job with my install."

    They answered all of my questions, gave honest advice, and put in the extra effort to fit my new Daikin air handler into the very limited space that was available.

    Dennis P.
    "Bravo!"

    The Marx Team came to our rescue when our furnace was on the fritz and installed a new one with exceptional installation standards and had us up and running in no time! They are without a doubt the "Go To" HVAC company in the Durham-York Region!

    Brian B.
    "Marx Mechanical staff are courteous and professional!"

    My furnace suddenly died and Marx Mechanical staff rearranged their schedule to be here the next day to replace my furnace (in a snowstorm). All my questions were answered and they even helped me set up the Daikin app on my phone.

    Karen B.
    "Super work!"

    Marx Mechanical Heating and Cooling did a wonderful job in repairing our ductless heat pump system.  I highly recommend the company.

    Leland D.
    "Great team, great products, great experience."

    The systems are exceptional. I wouldn't change a thing about the experience and I would highly recommend Jason and his team at Marx Mechanical for any such work. Solid pros, excellent experience from start to finish!

    Daniel B.
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Frequently Asked Questions

How Long Does a Typical Furnace Installation or Replacement Take?

A straightforward replacement of an existing furnace with a similar model in the same location typically takes a professional crew between four and eight hours to complete. The total duration can vary based on whether minor modifications to the venting, gas lines, or electrical wiring are required to meet current safety codes. If you are upgrading to a high-efficiency model that requires new PVC venting or major ductwork adjustments, the job may extend to a full day. Your HVAC contractor will provide a precise timeline after assessing the complexity of your specific home and existing system.

Can I Install the Furnace Myself?

No, installing a furnace is a highly technical task that should only be performed by a licensed and certified HVAC professional. Improper installation can lead to severe safety hazards, including gas leaks, carbon monoxide poisoning, and electrical fires. Furthermore, a DIY installation will immediately void both the manufacturer's warranty and potentially your homeowner's insurance policy. Professional installation ensures the unit is correctly sized, vented, and optimized for efficiency, guaranteeing safety and compliance with all local codes.

How Do I Know When to Repair or Replace My Furnace?

If your furnace is over 15 years old and experiencing recurring breakdowns, replacement is generally the most economical choice due to its diminishing efficiency. Minor component repairs, such as fixing a simple sensor or ignitor, are usually worthwhile if the unit is newer and under warranty. However, you should seriously consider replacement if the repair cost exceeds 30% to 50% of the price of a new furnace. Strong indicators for replacement also include inconsistent heating throughout the home or an unexplained spike in your winter energy bills.

What Kind of Maintenance Does a Furnace Need?

The most essential maintenance task you can perform is regularly changing or cleaning the air filter, ideally once every one to three months, to ensure proper airflow. Your furnace requires a professional tune-up annually, preferably in the early fall before the heating season begins. This service includes cleaning the burner, checking the heat exchanger for dangerous cracks, and lubricating moving parts to prevent wear and tear. Consistent professional maintenance maximizes efficiency, maintains system safety, and extends the lifespan of the unit.

Trust our certified technicians to accurately size and seamlessly install your new unit for optimal performance and efficiency from day one. Contact us at (289) 301-0414 or fill out our online form.

What Makes Us Different? Benefits of Working with Our Expert Team

  • Local Values - Exceptional Service
    Being family-owned and operated means more than just business to us—it’s about building lasting relationships. We’re proud to serve our community with care, integrity, and quality you can trust.
  • Year-Round Comfort With Our Memberships
    Our membership plans are designed to keep your systems running smoothly all year long. Enjoy exclusive perks like priority service, discounted repairs, and regular maintenance.
  • Team of Highly Experienced HVAC Technicians

    With decades of industry experience, Marx Mechanical Heating and Cooling delivers expert HVAC solutions with precision, reliability, and quality service.

  • Transparent, Upfront Pricing

    We are committed to honesty and transparency in all our services. We offer upfront pricing with no hidden fees -  just clear, fair quotes from an HVAC company you can rely on. 

  • Join the Marx Comfort Club
    Year-round comfort is only a click away! Our membership plans offer priority service, discounted repairs, and more!