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Mark and his team were very considerate and professional! They took great care to explain what was going on even though we were completely new to how boilers worked. Our previous contractors would only fix up a part or other and the boiler would break down again after two weeks. Mark looked at the boiler and knew what needed to be done. Will definitely be reaching out to DHL mechanical for any future work!

Mark and crew did a full replacement of my heating system. The work was done in a professional manner with no cost overruns. The work that was done looks fantastic, but more importantly, works extremely well! I had them add a hot water tap outside earlier this year and it’s great. They always make time for repeat customers and clean up everything when the work is complete. I would highly recommend this company.

We’ve used Mark and DHL for a number of years for routine maintenance and he was our first call when the whole system was ready for replacement (2 furnaces + A/C). The mech room in our 1960’s home is very tight and Mark and his team solved it like a puzzle; replacing the jumble of older equipment with a modern “wall of machinery”. This job spanned all the trades; HVAC, plumbing, electrical, and even some woodworking to create a custom cold air return cover on our main floor. The team put down lots of protective material on the flooring, cleaned up after every day’s work, is very respectful of not damaging your home and left everything completely clean. When you want something done well, DHL is highly recommended for complex projects such as this.

Mark and his team have been doing work for me since 2018. It took me a while to find a team that actually understands boilers and hydronic heating systems, and DHL is it. They've done great work maintaining my system and recently installing a new condensing, high efficiency boiler. They do great work - very professional, respectful of your home, neat and tidy, friendly and pleasant, and always happy to explain what needs done and why. Highly recommended.

Mark and his team really came through for us. Our old cast iron boiler needed replaced, and we were in the middle of Calgary’s cold snap. The boiler that was shipped to us came damaged, so Mark gave us a high-efficiency stainless steel boiler at no extra cost to us. They worked long hours to get our system up and running, and kept the worksite tidy at all times. We would highly recommend DHL Mechanical to anyone!

Professional, honest, respectful! I highly recommend! They took extreme care to protect my home. They worked as a team and I barely knew they were there. Easy to communicate with and I will be calling them for all of our mechanical needs from now on.

DHL did a great job fixing our in floor heating and replacing our boiler. They arrived as scheduled and worked hard until the job was done. We recommend DHL for any mechanical work.