Too hot? Too cold? We make it Optimal.
Heating, cooling and hot water for homes and light commercial buildings across the GTA, Cambridge, Kitchener and Guelph. Owner-operated by Raj, TSSA registered, and typically on site within about three hours.
From −30° winters to +35° summers, you stay at 21°.
Four promises. Zero runaround.
You shouldn't have to chase anyone for heat in January or cool air in July. Here's what you get every time.
Fast response when it fails
No heat overnight? AC out before the long weekend? Call and you will typically have Raj on site within about three hours.
Fixed on the first visit
Our goal is to diagnose and resolve it in one trip, to industry standards and code. A residential diagnostic is $95, and it is credited back against the repair once you approve the work.
Services every brand
Goodman, Amana, Carrier, York, Mitsubishi, KeepRite and Bradford White — whatever is in your basement or on your roof, it gets serviced.
Financing through Financeit
Financeit offers 3 months with no payment and no interest on approved credit, so a surprise breakdown does not have to be paid all at once.
Every brand we service.
Optimal Climate Air services every leading make and model. These are the brands most often found in homes and light commercial buildings across the GTA.
Dependable furnaces, air conditioners and heat pumps at a price that makes sense for Ontario homes.
Residential and light commercial comfort systems, serviced and installed.
+ more
Whatever's in your basement or on your roof, we've worked on it.
Every degree of comfort, under one roof.
Repair, service, installation, replacement and maintenance — for the gear that keeps your home or building comfortable year-round.
Air conditioning
Repair, tune-ups, new installs and replacements.
Furnaces
Fast repairs, seasonal service and high-efficiency replacements.
Heat pumps
One efficient system that heats in winter and cools in summer.
Ductless mini-splits
Room-by-room comfort for additions, condos and no-duct homes.
Water heaters
Tank and tankless repair and replacement — hot showers, back fast.
Rooftop units
Installs, crane lifts and maintenance for RTUs and commercial heat.
From the basement to the rooftop.
One licensed owner-operator, the same standards, whether it's a family furnace or a crane-lifted rooftop unit for your storefront, office or plaza. Scheduled maintenance keeps tenants comfortable and surprises off your desk.
- Restaurants Make-up air, rooftop units and kitchen exhaust interaction
- Property managers Multi-unit scheduling with one point of contact
- Warehouses Unit heaters, large-volume airflow and freeze protection
- Plazas & storefronts Per-tenant rooftop units and shared service corridors
- Dental & medical offices Stable temperature and filtration for treatment rooms
- 1 Site walk and assessment Raj walks the property, logs each unit, its age and its condition, and flags what needs attention first.
- 2 Written scope and pricing You get the findings and the options in writing, with pricing, before anything is scheduled.
- 3 Scheduled around your hours Work is booked outside service hours or trading hours wherever the job allows, so your tenants and customers are not disrupted.
Comfort back in three easy steps.
Book online or call
Pick a time that works, or call (519) 496-2022. Urgent calls are typically on site within about three hours.
We show up on time
A trained tech arrives, finds the problem and walks you through the options and the price before any work starts.
Comfort, restored
We aim to get it done on the first visit, clean up after ourselves, and leave you with a system that runs right.
Fix it today. Pay in 3 months.
Three months with no payment and no interest through Financeit, on approved credit. Get the furnace, AC or water heater you need now and spread the cost out later.
The work is backed in writing.
- 90-day warranty on repair labour
- 10 years parts and 10 years labour on new system installs
- Callbacks within 30 days of a repair are free
“Worth the call.”
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Great service. On time, communicated all details. Understood what I was paying for, very professional. Worth the call!
Kishan S. -
Exceptional service and business owner is very knowledgeable. They get the job done quickly and efficiently.
Olivia C. -
Effortlessly installed a commercial heater in a timely manner — definitely will be using this company again!!
Roshan B. -
Very professional. Punctual, respectful, and knowledgeable.
Ravi S. -
Excellent service, very professional and would highly recommend using them for all your HVAC needs.
Michael M. -
Very reliable and friendly. Great service. Would recommend anyone to use this company.
Arun P. -
Professional dealings from start to finish. I highly recommend using Optimal Climate Air Inc.
Mr M. -
Would recommend the knowledge of work and efficiency.
Bigm0n B.
Serving the GTA and Waterloo Region.
Serving Mississauga, the GTA and the Waterloo Region, including Cambridge, Kitchener and Guelph. Not sure if you're in range? Call — if we can get there, we will.
See every area we coverProblems? Don't delay.
Book online in a minute, or call Raj directly. Urgent calls are typically on site within about three hours.