Our certified heating technicians diagnose and repair all boiler brands and models. From Navien and Weil-McLain to Burnham, Lochinvar, Buderus, Viessmann, Triangle Tube, and more, we have the need-to-know expertise to restore your heating quickly.
We understand boiler failures during Alberta winters create urgent situations. Our emergency boiler repair service provides same-day response for critical heating failures, ensuring your family’s safety and comfort.
You receive clear diagnostic assessments and detailed repair quotes before work begins. No hidden fees. When researching “how much does boiler repair cost,” we provide honest answers with upfront pricing.
Our comprehensive diagnostic process identifies root causes, not just symptoms. We assess heat exchangers, gas valves, circulators, expansion tanks, zone controls, and safety systems to ensure lasting repairs.
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Randy RobinsonTrustindex verifies that the original source of the review is Google.
Always excellent work and service done on time with no surprises.Posted on Google![]()
Danalee WispinskiTrustindex verifies that the original source of the review is Google.
Our AC tech was phenomenal. He phoned to asked if it was ok for him to show up a bit earlier which I was thrilled with as it was 29C. He was so polite and patient. The issue was fixed quickly. I would not hesitate to recommend Sherwood Mechanical to anyone.Posted on Google![]()
Brandy McNishTrustindex verifies that the original source of the review is Google.
Highly recommend Sherwood Mechanical! We recently had them install a tankless water heater in our crawlspace, and the experience was top notch from start to finish. Communication was clear and thorough throughout the entire process from both Sandy and the installation team.Posted on Google![]()
Angela MorrisonTrustindex verifies that the original source of the review is Google.
Every process from the quote to installation and follow up has been professional and seamless. When they initially came out for the quote, they took time to explain all of the different options and ways to improve our furnace situation. Jackson was here on time, did an excellent job and was patient with questions. Great experience from start to finish, with very good pricing. Would highly recommend!Posted on Google![]()
AndrewTrustindex verifies that the original source of the review is Google.
They installed a new sump pump, tankless hot water and a water softener at my residence. They had a 3 man crew and finished it in one day. They were professional, organized and clean. I was happy with the work they performed.Posted on Google![]()
Patricia TetzlaffTrustindex verifies that the original source of the review is Google.
This company has the business ethics that is incredible. They are top notch in knowledge and expertise. Everything is explained in detail so you have a clear understanding of pricing. Sending a picture of the service technician to expect is an added layer of safety. What class!Posted on Google![]()
Gerald GuenetteTrustindex verifies that the original source of the review is Google.
Peter is very friendly and out going. He will make sure everything is good and your happy before he is done. Nathan and Jackson did the installation. They were very friendly and knowledgeable what was suppose to take a day and a half took only one day. Very happy with the equipment installed the compressor is very quiet would recommend anyone to talk to Sherwood Mechanical. Peter was right on point with this service call and got everything up and running like a clock.Posted on Google![]()
Brenda MillanTrustindex verifies that the original source of the review is Google.
Our furnace quit and was in discussions with Sandy. He was able to juggle some appts. around next day and got in first call. Nathan came out. Very professional. Identified pressure switch needing replacement. Had to go for part. Back in timely fashion. Great job! Very satisfied. Thank you.Posted on Google![]()
Karen KostTrustindex verifies that the original source of the review is Google.
Quick to schedule appointment. Great knowledge of HRV systems and took the time to teach me how to clean the system. So greatful!!

Our certified heating technicians perform thorough diagnostics using advanced testing equipment. We assess heat exchangers, gas valves, ignition systems, circulators, expansion tanks, pressure relief valves, zone controls, venting systems, and safety controls.
We identify underlying issues causing your boiler problems, not just surface symptoms. This diagnostic approach prevents recurring failures and ensures cost-effective repairs.
You receive clear explanations of problems found, repair options available, and transparent pricing for all work. We help you make informed decisions about your boiler system.

Technicians repair heat exchanger leaks, gas valves, ignition systems, pumps, tanks, and vents to restore safe, efficient heating operation.
We use OEM and quality parts for reliable repairs, ensuring durability and compliance with manufacturer and mechanical standards.
We thoroughly test heating, pressure, temperature, gas combustion, circulation, and safety systems to ensure proper operation after repairs.
All boiler repairs include warranty coverage on parts and labour, providing peace of mind and protection for your investment.
We follow up to ensure your boiler continues operating properly after repair service.

Complete loss of heating indicates gas valve failure, ignition problems, or circulator issues. Our technicians diagnose and repair heating system failures quickly to restore warmth.

Inadequate heat suggests circulator problems, air in system, or heat exchanger issues. We restore proper heating capacity and temperature control throughout your home.

Low or high pressure indicates expansion tank failure, pressure relief valve issues, or system leaks. We repair pressure control systems for safe, reliable operation.
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Banging, kettling, or gurgling sounds indicate air in system, scale buildup, or circulator problems requiring immediate attention. We diagnose and repair noise issues.

Leaking boilers risk property damage and indicate heat exchanger corrosion or fitting failures. We repair leaks and prevent water damage to your home.

Gas boilers with ignition issues require immediate attention for safety and proper operation. We repair gas controls and ignition systems quickly.
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When your boiler fails, every hour without heat threatens your family’s safety and comfort during Alberta’s harsh winters. Contact Sherwood Mechanical Services for fast, reliable boiler repair near you.
We prioritize boilers that have stopped heating, especially in cold weather. Many repairs, such as purging air, replacing an expansion tank or an igniter, are done on the first visit. If a brand-specific part has to be ordered, we tell you how long it will take and help keep the home safe meanwhile.
It depends on the part that failed and the boiler brand. Small fixes like purging air or replacing a relief valve cost far less than a circulator pump, control board or heat exchanger. We diagnose the problem first and give you an upfront price before starting.
Consider replacement if the boiler is over 15–20 years old, has a leaking heat exchanger or needs frequent repairs. Multiply its age by the repair cost: over $5,000 usually means replacement is better value. Newer boilers with a single failed part are usually worth repairing.
Yes. We repair all major residential boiler brands, not only the NTI boilers we install. That includes hydronic systems with in-floor heating, baseboards and radiators. Our technicians check the whole system, including pumps, valves and controls, because the boiler itself isn’t always the problem.
Common causes are low system pressure, air in the lines, a failed circulator pump or zone valve, ignition faults, blocked venting and failed controls. Annual boiler service catches many of these early, keeps efficiency up and checks safety controls before the heating season.
Yes. If your boiler stops heating, call (780) 449-5322 and we’ll prioritize your home. If you smell gas, leave the house and call ATCO Gas’s 24-hour emergency line at 1-800-511-3447 or 911 from outside. While you wait, don’t try to relight a boiler that keeps locking out.




