District Air Systems Inc., HVAC contractor in Innisfil and Simcoe County
Heating Services

Furnace Replacement

If your furnace is over 15 years old or the repair cost is more than half of a new system, replacement is usually the smarter call.

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TSSA #000290047
Gas Technician Licensed
HRAI Member
Heating, Refrigeration & AC Institute
WSIB Covered
Workplace Safety Insured
Up to $7,500 in Rebates
Ontario program terms apply
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About our furnace replacement service

Replacing a furnace isn't just about heat, it's about safety, efficiency, and predictable monthly bills. We'll give you an honest recommendation on repair versus replace, and if replacement is the right move, we can often install the next business day.

Replacement season in Simcoe County runs September through November, and by January the good equipment is backordered. The homes we replace most are the mid-efficiency systems still running in Belle Ewart, Churchill, and the older parts of Bradford near the Holland Marsh, where an old mid-efficiency unit burns noticeably more gas than a modern condensing furnace for the same comfort. Those are also the homes where switching to a heat pump or hybrid setup is worth pricing, because that route can qualify for current Ontario rebates and we handle the paperwork.

Rebates: qualifying equipment can draw Ontario incentives and federal financing, and we prepare the paperwork with your quote. See current Ontario HVAC rebates.

What's included

  • Honest repair-vs-replace assessment in writing
  • Next-day installation when heat is out
  • Old equipment removed and recycled at no charge
  • Financing that fits the monthly savings, not the sticker price

How the visit works

  1. 1
    Assess the existing system
    Age, efficiency, heat exchanger condition, and repair history all inform the recommendation.
  2. 2
    Right-size the new unit
    We do not simply match the old BTU rating, homes change.
  3. 3
    Schedule around you
    Emergency replacements can typically be installed within 24 hours.
  4. 4
    Permit, install, inspect
    All work is permitted with the local municipality and inspected by ESA.

Where we provide furnace replacement

Innisfil is home base, and our trucks run the same routes daily across Simcoe County and north York Region.

  • Barrie In Barrie the calls concentrate in the south end, where Painswick, Ardagh and Holly subdivisions are running the original builder furnaces past their fifteenth winter.
  • Bradford West Gwillimbury Bradford and Bond Head homes back onto the Holland Marsh, and the damp cold there is unforgiving on a system that was never balanced for the ductwork it feeds.
  • Essa Angus, Baxter and the CFB Borden housing sit on open ground where wind-driven snow buries side-wall vents, which is the single most common cause of a no-heat lockout out there.
  • East Gwillimbury Holland Landing, Sharon and Queensville have grown fast, so most of what we service there is newer high-efficiency equipment needing commissioning corrections rather than replacement.
  • Springwater Midhurst, Elmvale and the Snow Valley custom builds are in the snowbelt, where a heating system has to hold a design temperature several degrees colder than Barrie's.
  • Newmarket Newmarket's older Gorham and Glenway neighbourhoods still hold plenty of mid-efficiency equipment that is cheaper to replace than to keep feeding gas.
  • Oro-Medonte Many Oro-Medonte and Horseshoe Valley properties are off the gas main entirely, so heating decisions there weigh propane cost against a heat pump conversion.
  • New Tecumseth Alliston, Beeton and Tottenham see steady demand around the Honda plant shift schedule, and we book those calls early morning or evening to suit it.

Need service today? We can be there.

Same-day appointments across Innisfil, Barrie, and Simcoe County, with live dispatch 24/7.