HVAC

HVAC

Precision Airflow. Trusted Systems.

Your HVAC system controls the air you breathe, and that means every detail matters - from proper design and equipment selection to clean, precise installation. We take pride in building systems that perform quietly, efficiently, and reliably for years to come.
At Leader Mechanical, we design and install HVAC systems for low-rise residential and custom homes with focus on comfort, efficiency, and longevity. We believe that building beyond code isn't optional - it's essential. A well-designed system doesn't just heat and cool your home; it creates a healthier, more efficient living environment that you can feel every day.
At Leader Mechanical, we bring more than four decades of expertise to the design, installation, and maintenance of HVAC and air distribution systems. Trusted on some of the region’s largest and most complex projects, we know how to deliver systems that perform reliably, efficiently, and sustainably at every scale.
Our HVAC teams are composed of highly skilled tradespeople who combine technical knowledge with a deep respect for craftsmanship. From central plants and large-scale ventilation networks to energy-efficient upgrades, every system we deliver is engineered for performance, safety, and long-term durability. Whether serving a high-rise development, a mid-rise community, or a mission-critical commercial facility, we provide HVAC solutions that set the standard for comfort and reliability.

Projects completed

500+

Years of experience

65

People on the team

200+

We've worked with
some notable developers

Castle Mile

Seatonville

| N/A

Upper Caledon East

Harbor 60 Restaurant

Commercial
| N/A

Oakpointe

New Kleinburg

Florentina Foods Plant

Commercial

Edgewood at Mulberry Meadows

Vaughan Valley Estates

| N/A

Whitby Meadows

Waterdown Meadows

46 homes
| 1 and 3 Story

Villas of Upper Wasaga

| Single Family Home

Mulock Vistas

73 Units
| 3 Storys

Victoria Highlands

223 Homes
| N/A

Timberbank Manors

Westney Place

Encore at Inspiration

The Grove

Creekside at Sharon Village

360 Homes
| N/A

Main Street Seaton

102 Units
| 2/3 Storys

East Preserve

Downsview Park

205 Townhomes
| 3 Storys

Denford Estates

UC Dantonbury

94 Townhomes
| 4 Storys

Mayfield Crown Manor

The Crown of Creditview

Brockton Trails Community

Boxgrove Village

195 Townhomes
| 2/3 Story

Beacon Hill

216 Homes

The Gates of Whitby

| Detached

Dream20

15 Townhomes
| 3 Story

Dreamwood

19 Townhomes
| 2 Storys

Derry Chase

80 Townhomes
| 3 Story

Forest Edge

31 Homes
| 2 Story

Mulberry Meadows

240 units

Pavo Point

| Townhomes

Emerald Forest

150 Homes
| N/A

Milton Trails on the Escarpment

| 2 Story

Infloor Heating at Friday Harbour

Custom Home

Infloor Heating

Custom Home

Inspiration

146 Homes

Hyland Village

273 Homes
| N/A

The Village of Brooklin

U.C. Towns

Canterbury Lawrence Park

174 Units
| 3 Storys

The Gates of Nobleton

197 Single Family Homes
| N/A

Humberwood Heights

138 Suites
| N/A

Richlands

225 Homes
| 2 Storys

Maxx Urban Towns

216 Townhomes
| 3 Storys

Yonge and Soudan

288 units
| 36 storeys

250 Lawrence Ave

174 Units
| 9 Storys

Indigenous Hub, Block 10

441 Units
| 4 and 5 Story

Quay House

463 Suites
| 21 Storys

Burke Condos

501 Units
| 53 Storys

Snowmelt and Hydronic System at BMO Field

Mechanical Room

Custom Home

Infloor Heating/Snowmelt

Custom Home

Mechanical Room

Custom Home

Mechanical Room

Custom Home

Yonge Parc Phase 2

232 Units
| 19 storeys

Capabilities

Capabilities

Highrise

High-rise buildings demand HVAC systems that can deliver consistent comfort and efficiency across hundreds of units and multiple floors. Leader Mechanical designs and installs large-scale heating, cooling, and ventilation systems that are engineered for reliability, energy efficiency, and long-term performance. From central plant design to distribution and air balancing, we ensure high-rise projects meet the most rigorous standards of comfort, safety, and sustainability.

Midrise

Mid-rise developments require HVAC solutions that balance efficiency with scalability. At Leader Mechanical, we design systems tailored to the unique demands of medium-density residential and mixed-use projects. Our team focuses on delivering reliable heating and cooling, proper ventilation, and energy-efficient performance, while coordinating seamlessly with other trades to keep construction on schedule.

Lowrise

For low-rise and multi-unit complexes, Leader Mechanical provides HVAC systems that emphasize practicality, serviceability, and comfort. We design and install solutions that optimize airflow, maintain consistent temperatures, and reduce operating costs — ensuring long-term value for developers and building owners.

Commercial

Commercial spaces require HVAC systems that can handle demanding, high-usage environments without compromising performance. Leader Mechanical provides complete heating, cooling, and ventilation solutions for office buildings, retail spaces, institutional facilities, and more. Our systems are designed for durability, ease of maintenance, and energy efficiency, helping businesses operate smoothly while keeping operating costs under control.

Custom Home

Every custom home deserves a system built specifically for the lifestyle of its residents. Leader Mechanical works with builders and homeowners to design and install HVAC solutions that prioritize comfort, quiet operation, and energy efficiency. From high-end climate control systems to tailored ventilation solutions, we ensure each custom home has the right system for its unique design.

Considering a project with
Leader Mechanical?