Calgary Boiler Services — Repair, Installation & Everything In Between
From emergency repairs at 2 AM to planned high-efficiency installations, DHL Mechanical handles every aspect of boiler and hydronic heating service for Calgary homes and businesses. One focus. Nearly 30 years of experience.
Specialized Boiler Services for Every Situation
Each service is delivered by technicians who work exclusively on boiler and hydronic heating systems — not generalists who dabble.
Boiler Repair
Fast, accurate diagnostics and repair for all residential and commercial boiler makes and models. We carry common parts for IBC, NTI, Viessmann, Navien, and other major brands on every truck — so most repairs are completed in a single visit.
- Same-day emergency dispatch
- All major brands serviced
- Flat-rate pricing — approved before work begins
- 24/7 after-hours availability
Boiler Installation
New high-efficiency boiler installations individually sized for Calgary's extreme winters. Every installation includes a full heat-loss assessment, properly sized venting, gas piping, a magnetic dirt filter, and all required permits. We don't upsell — we size the system to match your home.
- Custom heat-loss calculation for every home
- All permits, venting, and gas work included
- AFUE 95%+ condensing units standard
- Old system removal and disposal
Radiant Floor Heating
In-floor hydronic heating delivers the most comfortable, even heat distribution of any system. DHL Mechanical designs, installs, and services radiant floor systems for new construction, renovations, and retrofits — from single-zone bathrooms to whole-house multi-zone configurations.
- New construction and retrofit installs
- Multi-zone design with individual room control
- Glycol system maintenance and pH testing
- Air lock purging and actuator replacement
Combi Boilers
Combination boilers deliver heating and hot water from a single compact unit — no separate hot water tank required. Ideal for Calgary condos, townhouses, and smaller homes where space is at a premium. We properly size combi units to handle Calgary's near-freezing groundwater temperatures.
- Space-saving — no separate hot water tank
- On-demand hot water + central heating
- Properly sized for Calgary's cold groundwater
- Navien, IBC, Viessmann models available
Commercial Boiler Services
Scheduled maintenance programs, emergency repair, and full system upgrades for commercial buildings, multi-unit residential properties, and institutional facilities. DHL Mechanical keeps commercial heating systems operating reliably through Calgary's extended heating season.
- Preventive maintenance contracts
- Emergency repair with priority dispatch
- Multi-unit and multi-boiler systems
- Detailed service reports for property managers
Tankless Water Heating
On-demand hot water systems eliminate standby heat loss and deliver unlimited hot water. DHL Mechanical professionally sizes, installs, and services tankless water heaters to ensure consistent performance — even through Calgary's coldest months when incoming water temperatures drop to near freezing.
- Unlimited hot water on demand
- Eliminates standby energy loss
- Professional sizing for Calgary water temps
- Annual descaling and maintenance
Additional Boiler & Heating Services
Beyond our core offerings, DHL Mechanical provides specialized services for every boiler-related need.
Boiler Inspection
Comprehensive system assessment to evaluate boiler condition, efficiency, and remaining lifespan.
Annual Maintenance
Scheduled cleaning, combustion analysis, and safety checks to maintain warranty and efficiency.
Pool & Hot Tub Boilers
Repair and installation of swimming pool and hot tub heating boilers. Extend your season.
Boiler Controls & Thermostats
Programmable thermostat installation, zone valve replacement, and heating control upgrades.
From First Call to Finished Job
Whether it's a repair or a full installation, here's what to expect when you call DHL Mechanical.
Call or Request a Quote
Reach us by phone or through our online form. For emergencies, you speak directly with a technician — not an answering service.
Assessment & Diagnosis
We evaluate your system, identify the issue (or size a new installation), and provide a flat-rate quote for your approval before any work begins.
Expert Execution
Licensed boiler specialists complete the work to manufacturer standards, with all permits, safety checks, and testing included.
Follow-Up & Support
We walk you through the completed work, answer questions, and schedule your next annual maintenance to keep the system running at peak performance.
Boiler Brands We Service and Install
Don't see your brand? We service all makes and models. Call us.
Boiler Service Across Calgary & Surrounding Communities
DHL Mechanical provides every service listed on this page throughout Calgary and the surrounding area.
Surrounding Communities: Airdrie, Cochrane, Okotoks, Chestermere, Langdon, Strathmore, High River, and Bragg Creek.