DH Plumbing & Heating

Company Facts

DH Plumbing & Heating at a Glance

By the numbers

Google rating

4.9out of 5

Customer reviews

115on Google

In business

11years

Rating and review count pulled from Google on September 27, 2026. Years counted from 2015.

What We Like

• 4.9 rating from 115 reviews on its Google Business Profile, read September 27, 2026
• Published hours show 24 hours a day, seven days a week
• Service range spans plumbing and heating, including boilers and gas lines
• Backflow prevention testing offered, useful for commercial and multi-unit compliance
• Online service request form as well as phone booking
• Trading since 2015, per its own website

Things to Consider

• Licensing, insurance and upfront pricing are the company's own claims and worth verifying before booking
• After-hours and weekend call-out rates are not published, so ask for the premium up front
• No detail published on large scale commercial mechanical work or trenchless sewer replacement

Google rating

4.9

Based on 115 Google reviews

Review data updated September 27, 2026

View on Google Maps →

Rating Distribution

• 5 stars97%
• 4 stars2%
• 1 star1%

Frozen supply lines, spring thaw flooding and aging cast iron drains make up a good share of the plumbing work in this city, and the service list here reads like it was written by someone who deals with all three. Emergency call-outs sit at the front of the business, with burst pipes and severe blockages named specifically. Behind that sits the more ordinary side of the trade: leaking faucets, toilet repairs, fixture swaps for a bathroom renovation, and the water heater that finally gives out in the middle of a cold snap. The company also carries heating work, which matters in Ottawa because so many older homes in the core run hydronic boilers rather than forced air, and a plumber who can service a boiler saves you coordinating two trades.

On the drain side, the offering includes clogged drain clearing and sewer camera inspection. That combination is the one worth asking about before you book anyone. A cable or jetter will open a line, but a camera tells you whether the blockage was grease, roots from a mature silver maple, or a joint that has dropped in a clay lateral. In neighbourhoods like the Glebe, Old Ottawa South and parts of Westboro, where laterals can be decades old, that distinction is the difference between a hundred dollar rod-out and a dig. Ask whether the camera run is included, charged separately, or credited against repair work.

Backflow prevention is listed as a service, and the site references the City of Ottawa's mandatory backflow prevention program. For commercial properties, multi-unit buildings and some irrigation setups, annual testing and reporting is a compliance matter rather than a nice-to-have, so a contractor who already does that testing is useful to a property manager. Gas line installation and repair also appears on the list, covering appliance hookups and heating connections. Gas work in Ontario requires certified technicians, and the company describes its people as licensed and insured; that is its own claim, so ask to see the certificate numbers and the insurance before work starts, as you would with any contractor.

What dh plumbing heating looks like day to day, judging from how the site is set up, is a small to mid-sized outfit that leans on a booking form for scheduling. Service requests go through an online form rather than only by phone, which suits people who would rather type out the problem than explain it twice. Upfront pricing is stated as a core practice, meaning a quoted figure before the wrench comes out. Worth pinning down in the conversation: whether there is a diagnostic or trip fee, whether it is waived if you proceed, and how after-hours rates differ from a weekday morning. Overnight and weekend work almost always costs more in this trade, and an honest shop will tell you the premium before dispatch.

The reception has been consistently good. A 4.9 average from 115 reviews on the Google Business Profile, read on September 27, 2026, is a strong number, and 115 reviews is enough of a sample that a handful of glowing entries from friends would not move it much. Trading since 2015, per its own website, puts roughly a decade behind the name, which is long enough to have handled a few bad winters.

Who it suits: homeowners in Kanata, Nepean, Barrhaven and the Orleans side who want a single contractor for a middle-of-the-night emergency and then the planned replacement that follows, plus small commercial clients who need routine maintenance and backflow compliance. Who it may suit less well: anyone needing a large scale commercial mechanical project, full trenchless sewer replacement, or a major HVAC furnace and air conditioning install, none of which are described in detail on the site. If your job is a full repipe or a septic system, confirm scope on the phone first.

Compared with the larger Ottawa franchises, dh plumbing heating is a smaller local operation, which usually means you speak to someone closer to the work and get less rigid pricing structure, with the trade-off that a busy week can stretch scheduling for non-urgent jobs. Against a one-truck independent, the broader service list and the 24 hour availability are the advantages. Get the quote in writing, ask what warranty covers parts against labour, and confirm that permits, where a water heater or gas line needs one, are being pulled by the contractor and not left to you.

About This Business Profile

Last reviewed

September 2026

Profile last updated

September 27, 2026

Google review data updated

September 27, 2026

Reviewed by

Dana Whitfield, Senior editor, home services

Sources checked

Google Business Profile, Company website

Sponsorship status

No commercial relationship