Mechanical Engineering
High-performing systems are the key to enhancing building and infrastructure functionality, comfort, and sustainability. Our expertise spans heating, cooling, ventilation, plumbing, and automation, ensuring efficient and resilient solutions tailored to each project’s unique demands.
With a focus on energy efficiency and system reliability, we work across commercial, industrial, institutional, municipal, and residential sectors to deliver designs that support long-term performance and minimize capital and operating costs. Whether upgrading an existing system or developing a new one, we can help create smarter, more efficient buildings.

Optimized Systems for Higher Performance
Our mechanical engineers work to maximize efficiency, enhance indoor environments, and ensure long-term building functionality through well-integrated, innovative system solutions.

Heating, Ventilation & Air Conditioning
A well-designed climate control system enhances occupant comfort, air quality, and operational efficiency.
- Heating, ventilation & air conditioning (HVAC)
- Humidification & dehumidification systems
- Industrial ventilation
- Toxic gas monitoring & exhaust systems
- Fire protection
Plumbing & Fire Protection Engineering
Effective water management is key to maintaining safe and efficient building operations.
- Domestic water & backflow prevention
- Sanitary drainage & venting
- Pumping system design & optimization
- Fire protection & sprinkler systems
- Process water
Energy Optimization
We integrate automation and energy-saving strategies to improve system performance and reduce environmental impact:
- Building automation & control systems
- Building energy & water conservation
- Equipment condition assessments, reviews & evaluation
- Decaroboniztion & Net Zero implementation
Explore Mechanical Projects
Why Tatham?
With over 35 years of experience and six offices across Ontario, our team is committed to enhancing our communities, one project at a time.
We prioritize building strong relationships with our clients, ensuring clear communication and a shared vision throughout every stage of the project
Connect With Our Team

Nathan Williams, P.Eng.
Manager - Mechanical