We don't sweat your pipes. We make sure whoever does is honest.
Whatever you're about to spend thousands on — a renovation, a snow-melt driveway, a heat-pump system, or the AI that runs your office — it shapes your property and your business for decades. It should never be decided on a vendor's word alone. Get an independent expert read before anything is signed.
Every other site sends a truck and a bill. We send clarity, an honest read, and a plan you can trust.
Mark Plumber Inc is a consulting, advisory, and training firm for the plumbing and heating world — offices in the Greater Toronto Area, serving all of Ontario. We do not sell installs, emergency call-outs, pieces, or "free quotes." We sell independence, honesty, expertise, and the adoption of better systems — whether those systems heat a driveway in January or run your business.
Six audiences. One standard — independence.
Homeowners
You're about to spend tens of thousands of dollars. Let a seasoned expert make sure you don't spend twice.
Business & Project Visionaries
Before you commit capital to a project, get an independent expert plan.
Students
Textbooks gave you theory. We give you the actual systems behind the licence.
Technicians
Add the hardest systems to your skillset — and command the wages that follow.
Trade / Business Owners
Your crews are busy. Is your business actually making money at the right work?
The AI-Adoption Buyer
Adopt AI agents like you adopt a heating system — independently, with a plan, for real value.
Advisory, never install.
Quote & Estimate Review
Line-by-line vetting; flag exclusions, padding, code shortcuts, scope gaps.
Pre-Renovation & Pre-Purchase Audits
Full existing-system health review before you commit.
Forensic / Last-Resort Diagnosis
The un-solvable recurring problem, solved by an expert with a real plan.
Trade Mediation
Translate between builder and contractor; broker a fair outcome.
Snow-Melt Radiant Design
Electric + heat-pump sizing, layout and spec — the flagship offer.
AI Adoption Consulting
Discovery, roadmap, harness selection, governance — vendor-neutral.
Why snow-melt radiant?
We're THE Toronto experts for snow-melt radiant heating boilers using alternative energy — electricity and heat pumps — and an authoritative resource on this technology across all of Ontario. It is the proof of depth no generic contractor site credibly owns.
The same independence, applied to your AI future.
We help organizations adopt AI agents and harnesses safely, pragmatically, and with a clear ROI — in exactly the same disciplined way we help them adopt advanced heating systems. No vendor allegiance. No hype.
Three honest steps.
Choose a tier
Intro / Deep-Dive / Project Watchdog
Share what you've got
Quotes, plans, photos — a secure upload
Get your answer
A private booked block, then a written deliverable
A consultation is a booked, paid private block — not a free sales call. See the full process →
Why pay for a quote review?
On a single 20–40k renovation's scope, one questionable line item can pay for the review many times over.
Do you come to my site?
Most work is video-first. Higher-stakes work earns an in-person GTA appointment — you know the mode before you book.
Are you licensed / insured?
Yes — and you can verify every number. We carry errors-and-omissions insurance because you rely on our word.