Boilers · Radiant · Hydronic Heating

Boiler Repair & Replacement in Kitchener-Waterloo

You only think about heat when it stops.

Boiler repair, replacement and hydronic heating (heating your home with hot water instead of hot air) by a TSSA-certified team. We assess the system, size it to the house, and put the price in writing before anything is ordered.

TSSA certifiedLicensed plumbing contractor$5 million liability insurance

Book a free assessment Call for no heat

Wall-mounted boiler installed by Einwechter Plumbing & Heating, Kitchener-Waterloo

SeptemberWarm enough to be without heat for a day. The month a replacement is a planned job.

OctoberFirst cold nights, and the first no-heat calls of the season.

NovemberHeating season proper. The same job, booked under pressure.

Start Here

What Your System Is Telling You

Pick the symptom that sounds familiar. We will show you what it could mean and how we diagnose it.

What you're seeing

Likely cause

A circulation or balancing issue, or a heating system that no longer matches how the house is laid out.

What we check

Flow to the affected room or zone
Air, balancing, and circulator performance
Whether renovations or additions changed the heating load

One room never warms up – boiler repair and replacement, Einwechter Plumbing & Heating, Kitchener-Waterloo

Likely cause

An older unit losing efficiency, or a boiler that is cycling more than it should.

What we check

System age and expected lifespan
Boiler sizing and heat demand
Efficiency loss and short-cycling

The bill keeps climbing – boiler repair and replacement, Einwechter Plumbing & Heating, Kitchener-Waterloo

Likely cause

The failed part may not be the whole problem. Age, surrounding components, and parts availability can start making replacement the better decision.

What we check

What has already been repaired
The condition of the rest of the system
Repair cost, parts availability, and remaining lifespan

You have paid for the same repair twice – boiler repair and replacement, Einwechter Plumbing & Heating, Kitchener-Waterloo

Likely cause

It could be a leaking fitting, pressure issue, condensate problem, or a failure inside the boiler.

What we check

Exactly where the water is coming from
Fittings, valves, pressure, and connections
Condensate components and the boiler itself

Water around the base of the unit – boiler repair and replacement, Einwechter Plumbing & Heating, Kitchener-Waterloo

Likely cause

Air in the system, a circulator (the pump that moves the hot water) beginning to fail, or buildup affecting how water moves through the system.

What we check

Air and system pressure
Circulators and moving components
Flow restrictions, scale, and system condition

New noises – boiler repair and replacement, Einwechter Plumbing & Heating, Kitchener-Waterloo

Likely cause

A loss of heat can come from the controls, ignition, circulation, fuel supply, or another system fault. This one needs to be diagnosed quickly.

What we check

Thermostat and call for heat
Power, controls, ignition, and safety faults
Circulation and whether the boiler is firing properly

No heat at all – boiler repair and replacement, Einwechter Plumbing & Heating, Kitchener-Waterloo

We tell you which one it is. If a repair will get you through the season, we will say so rather than quote a new boiler by default.

Why Sizing Decides Everything

The Right System, Not the Biggest

The most expensive heating mistake is not a brand. It is a boiler sized for a house that does not need it.

Oversized

Short cycles

A boiler that’s too big turns on and off all day, wears out faster, and wastes gas. It reaches temperature fast, shuts off, cools, and fires again. More starts, more wear, and you pay for every one of them.

Sized to the home

Longer, steadier runs

Fewer starts, more even heat through the house, and less of the cycling that shortens a unit's life.

We size on your home's heat load, not on the badge of the unit coming out.

Book a free assessment Call 548-255-2662

What It Costs

Published Where We Can Be, Honest Where We Cannot

What we can price now

All plus HST

Boiler diagnostic$225

Boiler tune-upfrom $350

Radiator or baseboard servicefrom $225

Replacement, supplied and installed

Boilers & combis$8,000 to $16,000+

A simple like-for-like swap can start at $8,000. Moving from a floor-mount to a wall-hung unit can start at $12,500. If significant piping has to move or accessory equipment needs replacing, the job can run $16,000+.

Radiant in-floor heating loops installed by Einwechter Plumbing & Heating, Kitchener-Waterloo — Quoted after the assessment
Radiant in-floor heating

Radiant is priced from the floor area, the build-up, and what is already there. A per-square-foot number quoted before anyone has seen the floor is a guess, and we would rather give you a real one after the assessment.

Your exact number for any of this comes from the free assessment and a written quote, and nothing is ordered before you have approved it.

Book the assessment Call 548-255-2662

Our Projects

Real Work. Real Results.

What was there, what replaced it, and why

North Waterloo

Old floor boiler swapped for a wall-hung one

Installed: Navien NHB-150, wall mounted

Was thereA floor-mount Viessmann at the end of its life, and the piping around it in poor shape

What changedFloor space back, and the near-boiler piping cleaned up while the room was open.

Kitchener

Leaking combi boiler replaced, not patched

Installed: Navien NCB-240/130H

Was thereCalled in to service a combi boiler and found gas leaking in the heat exchanger

What changedNot a repair anyone should make. We said so, and replaced it.

New Hamburg

A boiler so old it had to be cut out

Installed: Navien NHB-110HB

Was thereA boiler old enough that it had to be cut apart to get it out of the building

What changedThe removal was most of the job. The install was the straightforward part.

What Customers Say

Judged on the Work

4.8

From Google reviews of local work across plumbing, heating and water treatment.

Read our Google reviews

Communication

“Clear, friendly, and professional as he managed the project.”

Brad P. · mechanical room upgrade

Showing up

“Quick to respond, honest, friendly, efficient, caring and do not over-charge!”

Carol W · Google review

The work itself

“Called for a heating issue that needed to be fixed right away and received prompt and great service.”

Albert and Lydia · heating repair

Over time

“Always reliable and trustworthy.”

Leah A · drain diagnosis

One Team

The Heating and the Plumbing Around It

A boiler swap is a plumbing job with a gas licence attached. Because we hold both, the piping, the water connections and the gas work are one crew and one number, from the assessment to the final test.

TSSA certifiedOne-year workmanship guaranteeOften complete in one to two days

The Einwechter Plumbing & Heating team, Kitchener-Waterloo

FAQ

Frequently Asked Questions

1Should I repair or replace my boiler?

It depends on the age, the repair history and the efficiency. The assessment gives you a straight recommendation, not an automatic replacement.

2How much does a boiler replacement cost?

A simple like-for-like boiler or combi swap can start at $8,000 plus HST. Moving from a floor-mount to a wall-hung unit can start at $12,500, and jobs with significant repiping or new accessory equipment can run $16,000+. Your assessment shows you where yours lands before anything is ordered.

3How long does a boiler install take?

It depends on the system. Many are able to be completed in one to two days. You get a timeline with your written quote.

4Is the assessment free?

Yes.

5How do you size a boiler?

We base it on your home's heat load, not just the size of the old unit, during the assessment.

6Can you fix uneven heating?

Often yes. Uneven heat can be a sizing, circulation or system issue, which the assessment identifies.

7Do you offer emergency no-heat service?

Call the no-heat line and we will tell you the earliest we can get to you. We are not a 24/7 service.

8Do you install radiant floor heating?

Yes, radiant in-floor heating is one of the systems we install.

9Is a combi boiler right for me?

A combi heats your home and makes your hot water from one unit, which suits homes short on space. The assessment tells you whether it fits yours.

10Do you service my brand of boiler?

We work on most makes. Call us with your model and we will confirm.

11Do you handle permits?

Where the work needs a permit, we handle it and the inspection.

12What does a tune-up include?

We inspect, clean and test the system, and flag anything that needs attention.

We do not offer 24/7 emergency service. Our team works scheduled hours, Monday to Friday, 7am to 5pm. Call the no-heat line and we will tell you the earliest we can get to you.