What does fireplace installation cost in Ajax?

A gas insert in Ajax runs $3,200 to $4,800 installed. Direct-vent units on a new wall are $4,200 to $7,200, and electric units start near $900.

Is the permit included?

Yes. Gas work is done by TSSA-certified technicians and permits are included in the written quote where the municipality requires one.

How long does the install take?

A standard insert is a single day. Feature walls and new venting runs take two to three days.

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Gas, electric and insert installation with permits and commissioning. See real fireplace installation prices in Ajax in under 60 seconds.

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Typical fireplace installation prices in Ajax
Job type	Typical price
Electric insertUnit, circuit, finishing	$900 – $2,600
Gas insert into existing openingLiner, gas, commissioning	$3,200 – $4,800
Direct-vent gas on a new wallFraming, venting, permit	$4,200 – $7,200

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Licensed, insured, WETT & TSSA certified · 4.9★ from 743 GTA reviews

What Ajax homeowners say

Solid work, arrived late once
One late arrival due to traffic, but they called ahead. The installation quality itself was excellent and the flame calibration is perfect.

Katherine L. · 2026-01-06

Honest advice on sizing
I wanted a bigger unit. They explained why it would overheat the room and recommended a smaller model — and were right.

Ravi S. · 2026-01-19

Fixed a bad previous install
Another company left the vent termination too close to a window. Diamond re-routed it to code and documented the correction.

Stefan G. · 2026-03-16

Clear commissioning paperwork
Gas pressure, spillage test, CO reading — all recorded and handed over. No other quote even mentioned commissioning.

Colin M. · 2025-11-22

Fireplace Installation pricing questions

What does fireplace installation cost in Ajax?: A gas insert in Ajax runs $3,200 to $4,800 installed. Direct-vent units on a new wall are $4,200 to $7,200, and electric units start near $900.
Is the permit included?: Yes. Gas work is done by TSSA-certified technicians and permits are included in the written quote where the municipality requires one.
How long does the install take?: A standard insert is a single day. Feature walls and new venting runs take two to three days.

Price another job

Gas Fireplace Repair in AjaxPilot, ignition, valve and blower faults diagnosed and fixed on the first visit.Fireplace Service & Maintenance in AjaxAnnual clean, safety test and flame calibration with a commissioning sheet.

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Fireplace Installation Cost in Ajax — Get Your Price Instantly

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