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Heating, cooling, and ventilation in Ottawa.

HVAC installation, repair, and maintenance for homes, businesses, and construction projects.

Comfort at home. Reliable systems at work.

DT Hamilton Mechanical works on heating, cooling, and ventilation systems across the Ottawa area. We help with everything from a repair visit to planning HVAC for a new build.

Technician working on an outdoor HVAC unitLiving space with wall-mounted air conditioning

The work we do

Explore the kinds of systems and spaces we service, from home equipment to commercial mechanical systems.

HVAC services for your property

  • Heating & cooling

    Installation and repair for furnaces, air conditioning, and heat pumps.

  • Ventilation & ductwork

    Duct installation, sealing, and repair for homes and commercial buildings.

  • Maintenance

    Routine service for heating, cooling, and ventilation equipment.

  • Commercial HVAC

    Service for rooftop units, air handlers, and other building systems.

  • New construction

    HVAC system design and installation based on your project requirements.

  • Indoor air quality

    Options for filtration, ventilation, and humidity control.

Common questions

What to know before reaching out.

Tell us what you need.

Share your location, equipment, and the work you need help with.

Open the quote form

Prefer to call?

Talk to us about the service or project you have in mind.

613-293-5790