Whittaker Mechanical
Call now (416) 875-3365

Residential & commercial · quality & professional

Your year-round heating and cooling specialists.

Whittaker Mechanical installs, repairs, and maintains furnaces, heat pumps, central air systems, rooftop units (RTUs), boilers, and hot water tanks across Milton, ON and the surrounding area — reliable, professional service you can count on.

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5yrs
Serving Milton, ON & area
5/5
Average rating on Google
Fast
Emergency response, most areas
Quality Installation
Professional installation focused on proper setup, reliable operation, and long-term performance.

How a service call runs

Same four steps whether it's a summer no-cool emergency or a scheduled fall tune-up.

01

Call or book online

Tell us what's going on — we'll get a technician lined up fast.

02

Diagnose on site

A professional technician inspects the system and walks you through what's actually wrong.

03

Upfront quote

Flat-rate pricing before any work starts — no surprises on the invoice.

04

Fix & test

Repair or install completed and the system tested through a full cycle before we leave.

About Whittaker Mechanical

Honest work, done right.

At Whittaker Mechanical, we provide reliable, honest, and professional heating, ventilation, and air conditioning services for residential and commercial customers. Whether you need repairs, maintenance, troubleshooting, or new equipment installation, we're committed to delivering quality workmanship and dependable service every time. We take pride in clear communication, fair pricing, and treating every home and business with respect. Our goal is to keep your heating and cooling systems running efficiently, helping you stay comfortable year-round. Contact Whittaker Mechanical today for prompt, reliable service you can trust.

What we service

Full-system work on both sides of the thermostat — from a whistling duct to a whole-house heat pump changeover.

01

Furnace repair & install

Gas and electric furnaces — diagnostics, part replacement, and full installs with load-calculated sizing.

Heating
02

Central air & AC

Repairs, refrigerant service, and new central air installs sized to your home, not the unit we have on the truck.

Cooling
03

Heat pumps

Cold-climate heat pump installs and tune-ups — one system covering both winter heat and summer cooling.

Heating + Cooling
04

Preventive maintenance

Scheduled inspections and seasonal tune-ups that catch a failing capacitor or a cracked heat exchanger before it becomes an unplanned shutdown.

Maintenance
05

Commercial service

Diagnostics and repair for rooftop units, split systems, and commercial heating and cooling equipment — fast turnaround to keep your business comfortable and open.

Commercial
06

Emergency services

No-heat and no-cool calls prioritized — a technician dispatched the same day in most areas.

Emergency

From the neighborhood

★★★★★

"Would definitely recommend Whittaker Mechanical. Service was exceptional and everything was explained well. Worker arrived on time and gave an accurate estimate of time needed. Will for sure reach out again if needed."

Bradley D'Gama · Google review
★★★★★

"Really happy with the service from Whittaker Mechanical. They were professional, friendly, and showed up when they said they would. Everything was explained clearly, and the work was done properly."

Julian Goze · Google review
★★★★★

"Great experience working with this contractor. Professional, reliable, and the work was completed on time with excellent attention to detail. Would definitely recommend!"

Winston Thai · Google review

Service area

Milton, ON & nearby

  • Milton
  • Waterloo
  • Kitchener
  • Cambridge
  • Oakville
  • Burlington
  • Georgetown
  • Campbellville
  • Acton
  • Mississauga
  • Brampton

Get on the schedule

Heat out? Air not cooling?

Tell us your address and what's happening — most calls in our service area get a same-day technician.

Call (416) 875-3365 Email us

Request service

Get a free estimate

Tell us what's going on and a Whittaker Mechanical technician will get back to you fast — no obligation, no pressure.

  • Quality, professional service
  • Upfront, flat-rate pricing
  • Same-day service, most areas

Prefer to talk? Call (416) 875-3365 directly.