132 Cartwright Ave, North York ON
Mon–Sat 8am–7pm · Sun 9am–5pm
Ductless / mini-split · Toronto & GTA
Ductless air conditioners
installed across Toronto & the GTA
Ductless earns its place in the rooms ductwork never reached — additions, converted attics, third floors and solid-brick houses where running ducts would mean opening walls.
TSSA-licensed installers
Single & multi-zone systems
Heat-pump capable models
Serving Toronto & the GTA
At a glance
System typeDuctless mini-split
ZonesSingle & multi-zone
ModesCooling & heat pump
Best forHomes without ducts
CoverageToronto & GTA
Shop baseNorth York
1,000+
Clients served
TSSA
Certified team
7 days
A week support
GTA-wide
Service coverage
20+ yrs
Climate experience
Ductless cooling & heating
What is a ductless air conditioner?
It is not the right answer everywhere. In a house with sound ductwork already in place, a central system is usually simpler and less visible. Ductless wins where there is no duct path, where one room is persistently out of step with the rest, or where zoning matters more than a single set-point.
The design decisions are head placement and zoning. A unit put where the wiring was convenient rather than where the air needs to move will underperform for years, and one outdoor unit serving too many heads leaves every room slightly disappointing at once.
Most systems we install heat as well as cool, which changes the arithmetic for a room that was always too warm in August and too cold in January. It is worth planning both jobs at the same time.
What matters most for ductless mini-split systems in the GTA
Right sizing, licensed gas/refrigeration work, and commissioning beat the cheapest sticker price. We verify airflow, safety devices, condensate paths, and controls so your system does not fail the first extreme week of the season. Ask us about dual-fuel, zoning, and rebate-eligible models during your quote.
Rebates may apply to cold-climate ductless heat pumps
Qualifying heat-pump mini-splits can unlock Enbridge or federal incentives. We flag eligible models on your quote — view GTA rebate programs.
Ideal ductless applications
- Homes without usable ducts or with limited trunk capacity
- Basement suites, attics, and sunrooms that overheat or stay cold
- Room additions and garage conversions
- Offices or retail bays needing zone control
- Supplemental cooling for upper floors
- Quiet bedroom comfort without whole-home AC noise
- Rentals needing efficient room-level control
- Heat-pump upgrades with existing furnace backup
Mini-split flow
How a ductless install is planned
Quiet heads, clean drains, and outdoor units that match real room loads.
Room survey
Sun, insulation, use
Head placement
Comfort + aesthetics
Line-set route
Short, tidy, code
Electrical
Dedicated circuit
Vacuum & charge
Leak-free start
Owner training
Filters & modes
Our ductless services
Everything your ductless system needs
From single-head installs to multi-zone heat-pump systems — sized for Toronto humidity and winter extremes.
Single-zone install
One outdoor unit + one indoor head for a primary room, suite, or addition — clean line-set routing and quiet mounts.
Request a consultation →Multi-zone design
Multiple indoor heads on one outdoor chassis with proper capacity matching so rooms do not starve each other.
Request a consultation →Heat-pump ductless
Cold-climate models that cool in summer and heat efficiently through shoulder seasons and many winter days.
Request a consultation →Electrical & drain
Dedicated circuits, disconnects, and condensate solutions that meet code and protect finishes.
Request a consultation →Service & repair
Diagnostics for no-cool, iced coils, communication errors, and outdoor fan or compressor faults.
Request a consultation →Maintenance
Filter cleaning, coil service, and seasonal checks that keep SEER2/HSPF2 performance on track.
Request a consultation →No ducts
Room-by-room comfort in homes ductwork can never reach
Ductless earns its place in additions, third floors, and solid-brick houses — not everywhere.
No ductwork needed
Cooling for the rooms the ducts never reached
Additions, converted attics, condos and back rooms that were always too warm — without opening up walls.
See if ductless fitsWhy Toronto Air Systems
Why choose Toronto Air Systems for ductless
Mini-splits fail when they are undersized, poorly drained, or installed with sloppy line sets. We treat ductless like any other Ontario HVAC system — load, code, and commissioning.
TSSA-licensed technicians
Every technician who works on your equipment holds current Ontario gas and/or refrigeration credentials — no uncertified subcontractors.
Built for Toronto winters & summers
We size and install equipment for real GTA climate extremes, not brochure averages from milder markets.
Transparent pricing
Detailed written quotes with equipment specs, labour, and warranty terms. No bait-and-switch or surprise change orders.
Multi-brand expertise
We service and install major HVAC brands, so recommendations fit your home — not a single manufacturer quota.
How it works
Our ductless process
From first call to commissioned equipment, you always know the next step, the timeline, and what is included.
01
Consultation
Tell us about your home or building, symptoms, and goals — by phone or online form.
02
On-site assessment
A licensed technician evaluates your existing ductless system, ductwork, and load requirements.
03
Written quote
You receive clear options, pricing, timelines, and rebate notes — no vague estimates.
04
Installation or repair
Our TSSA-licensed team completes the work to code with minimal disruption.
05
Follow-up support
We walk you through operation, warranty, and ongoing maintenance recommendations.
Brands we work with
Ductless brands we install & service
We select the brand and series that fit your rooms, noise preferences, and electrical capacity — then stand behind the install.
Where we work
Ductless installation across the GTA
Residential and light-commercial ductless installs from North York across Toronto and neighbouring municipalities.
Toronto
All neighbourhoods & districts
North York
Our home base
Mississauga
West GTA residential & commercial
Brampton
Full HVAC coverage
Vaughan
Including Woodbridge & Concord
Markham
East GTA homes & businesses
Richmond Hill
Residential & mixed-use
Scarborough
East Toronto
Etobicoke
West Toronto
Oakville
Halton Region
Pickering & Ajax
Durham Region
Whitby & Oshawa
East GTA
Client reviews
What clients say about our ductless installs
Our 1920s house had no ducts upstairs. They put two quiet heads in and the second floor finally sleeps cool in July.
East York
Basement suite mini-split with heat pump — clean install, drain done right, and they walked us through filters.
North York landlord
Multi-zone for home office and living room. Capacity matching was spot on — no short cycling.
Markham
FAQ
Ductless FAQ — Toronto
How much does a ductless AC cost in Toronto?
A quality single-zone install typically ranges from roughly $4,000–$8,000+ CAD depending on brand, capacity, and line-set length. Multi-zone systems scale with head count and outdoor size. We quote after a site visit.
Can ductless systems heat as well as cool?
Yes — cold-climate heat-pump mini-splits heat efficiently in shoulder seasons and many winter days. Extreme deep freezes may still need furnace backup; we design dual-fuel strategies when needed.
Do I need ducts for a mini-split?
No. That is the point of ductless. You need outdoor space, an electrical circuit, a refrigerant line path, and a condensate drain plan.
Are ductless units noisy?
Modern indoor heads are very quiet on low fan. Outdoor units are comparable to other heat pumps. We discuss placement to keep bedrooms and neighbours comfortable.
How long does installation take?
Many single-zone installs finish in one day. Multi-zone or complex line routes may take one to two days. We confirm timeline in the written quote.
Do rebates apply to ductless heat pumps?
Often yes for qualifying cold-climate models. We check current Enbridge and federal programs and note eligibility on your proposal.
Do you service existing ductless brands?
Yes. Call 647 953-4252 with your model numbers. We diagnose communication faults, iced coils, and outdoor failures across major brands.
How much does ductless mini-split systems cost in Toronto?
Cost depends on equipment capacity, brand, duct or piping complexity, electrical/gas upgrades, and whether you repair or replace. We provide written quotes after a site assessment so you can compare options fairly. Call 647 953-4252 for a visit.
Do you serve my area in the GTA?
Yes. We are based in North York at 132 Cartwright Ave and regularly serve Toronto, Mississauga, Vaughan, Markham, Scarborough, Etobicoke, Brampton, and nearby communities.
Are your technicians licensed?
Yes. Gas and refrigeration work is performed by TSSA-licensed technicians. We follow Ontario code practice for venting, refrigerant handling, electrical disconnects, and condensate management.
Ready for ductless comfort in Toronto?
Book a room survey and written quote. Call 647 953-4252 or request a visit online.