Wiehler Mechanical Ltd

Now led by John and Eric Wiehler, the company blends family legacy with modern mechanical expertise.

Delivers full‑service plumbing, heating, air conditioning, hydronic heat and hot water systems across custom homes and commercial builds.

Specializes in custom homes, commercial projects and production housing, working closely with high‑end builders and developers.

Known for 24/7 emergency service, COR‑certified safety standards.

Typical projects range from boutique custom residences to multi‑unit commercial sites, with a focus on precision and quality.

Maintains standout status in Calgary’s mechanical trades through longevity, family stewardship and technical rigor.

We treat our customers like family and consistently provide outstanding service.

COR

certified commitment to the highest health and safety standards in all projects.

Collaborative team environment—almost everyone works together as a team, super high moral on every job.

Prioritize energy‑efficient, sustainable HVAC systems for lower long‑term costs and environmental impact.

Commitment to sustainable installations in production housing developments.

Encourage preventative maintenance to improve energy efficiency and reduce utility bills.