Cold-climate heat pumps

Heat pump installation & service
across Toronto & the GTA

A heat pump can heat a Toronto house through a real winter — but only if the model is rated for it, the electrical service can carry it, and someone has thought about the coldest day rather than the average one.

Get a heat pump quote Call 647 953-4252
Cold-climate equipment focus
Ducted & multi-zone ductless
Hybrid / dual-fuel designs
Licensed GTA installers
Why it matters
Cold-climate models rated for real Ontario winters, not brochure averages
Hybrid gas backup available for deep-cold design days
One outdoor unit handles both heating and cooling
Load-aware sizing avoids short-cycling and comfort complaints
1,000+
Clients served
TSSA
Certified team
7 days
A week support
GTA-wide
Service coverage
20+ yrs
Climate experience
Electrified comfort

Heat pumps that earn their keep in Toronto winters

The question is never whether heat pumps work in cold weather. Cold-climate models plainly do. The question is what happens on your design day, and whether the system is planned to meet it on its own or hand over to gas backup when the outdoor temperature falls past a point you agreed in advance.

Before anything is ordered we check the electrical panel. A heat pump that needs a service upgrade nobody mentioned turns a straightforward installation into a much larger project, and that is a conversation to have at quoting stage rather than on install day.

Sizing matters more here than on a furnace. An oversized heat pump short-cycles, never settles, and gives up much of the efficiency it was bought for — so we calculate the load rather than matching whatever was there before.

What matters most for heat pump installation 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.
Heat pump rebates & incentives
Cold-climate heat pumps frequently qualify for federal, provincial, or utility support when models and installs meet criteria. Start with our rebates & incentives overview, then we confirm eligibility against your proposed equipment.
Is a heat pump right for you?
  • You want heating and cooling from one system
  • Ducts exist — or you need room-by-room ductless zones
  • Electrical panel can support compressor amperage (or upgrade planned)
  • You are open to hybrid gas backup for deep cold
  • Outdoor unit placement has clearance and neighbour-friendly noise path
  • Current furnace or AC is due for replacement anyway
  • Interest in lowering fossil fuel use without sacrificing comfort
  • Addition or basement suite needs independent climate control
Heat pump design

How cold-climate heat pumps get specified

Capacity at design temperature matters more than brochure COP numbers.

Design temp load
Toronto winter sizing
Ducted or ductless
Layout decision
Backup plan
Furnace or strip heat
Electrical service
Panel capacity check
Install & charge
Line set best practice
Controls setup
Dual-fuel logic
Heat pump services

Installation, repair & hybrid heat pump solutions

From first load conversation to commissioned controls — residential and light commercial.

Cold-climate ducted installs
Heat pumps matched to existing or new air handlers with proper line sets, condensate, and airflow verification.
Request a consultation →
Ductless single & multi-zone
Wall, floor, and ceiling cassettes for homes where ducts are impractical — balanced refrigerant charges included.
Request a consultation →
Hybrid / dual-fuel systems
Heat pump plus gas furnace or boiler with intelligent switchover so deep cold stays affordable and comfortable.
Request a consultation →
Repair & maintenance
Defrost faults, reversing valves, sensors, fans, and leak checks — plus seasonal cleanings that protect efficiency.
Request a consultation →
Electrical & panel coordination
We flag breaker, disconnect, and service upgrades early so the mechanical install is not delayed mid-project.
Discuss your electrical path →
Controls & zoning
Thermostats, wireless remotes, and app-connected controls configured for Toronto use patterns.
Compare heating technologies →

Rebates

Heat pumps are the system rebate programs are aimed at

Where a program applies, we check your eligibility and handle the paperwork as part of the job.

Check eligibility
Why Toronto Air Systems

Why Toronto Air Systems for heat pumps

Local crews, licensed workmanship, and recommendations built around how Toronto buildings actually heat and cool — not generic scripts.

Cold-climate first
We prioritize equipment with published low-ambient capacity and honest backup strategies for GTA extremes.
Licensed refrigerant & gas work
Heat pump installs involve refrigeration practices; hybrids add gas — our team covers both credential paths.
Transparent dual-fuel math
We show when the heat pump should run versus when gas backup is cheaper — so bills match expectations.
Placement & noise planning
Outdoor units are located for service access, snow clearance, and neighbour-friendly sound levels.
How it works

How a heat pump project runs

From first call to commissioned equipment, you always know the next step, the timeline, and what is included.

Consultation
Tell us about your home or building, symptoms, and goals — by phone or online form.
On-site assessment
A licensed technician evaluates your existing heat pump, ductwork, and load requirements.
Written quote
You receive clear options, pricing, timelines, and rebate notes — no vague estimates.
Installation or repair
Our TSSA-licensed team completes the work to code with minimal disruption.
Follow-up support
We walk you through operation, warranty, and ongoing maintenance recommendations.
Brands we work with

Heat pump brands we install & service

Brand choice follows your home's layout, electrical service, and cold-climate performance needs.

Where we work

Heat pumps installed across the GTA

Toronto, North York, Mississauga, Vaughan, Markham, and surrounding communities.

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

Heat pump projects our clients talk about

They sized a cold-climate ducted heat pump with furnace backup. Last February we stayed warm and our hydro/gas mix made sense — exactly as they modelled.
K. Thompson
Etobicoke
Three ductless heads for our third-floor addition. Quiet indoors, tidy line-hide, and they trained us on defrost so we were not alarmed by steam in winter.
P. Alvarez
East York
Previous quote ignored our 100A panel. Toronto Air Systems flagged the upgrade first, coordinated timing, and the heat pump install went smoothly afterward.
D. Lee
Markham
FAQ

Heat pump FAQ — Greater Toronto Area

Yes — when you choose cold-climate models and plan backup heat for design-day extremes. Standard “southern” heat pumps struggle; we do not install those as primary heat here.
Ducted suits homes with usable ductwork and whole-home goals. Ductless shines for additions, heritage homes, and room-by-room control. Many projects mix both.
A heat pump handles mild and moderate cold; a gas furnace or boiler takes over in deep cold or when utility rates favour gas. Controls automate the switchover.
Sometimes. Compressor amperage plus other loads can exceed older 60A or crowded 100A panels. We assess early so electrical work can be sequenced correctly.
Modern cold-climate units are quieter than older condensers, but placement still matters. We avoid bedroom windows and tight side yards when possible.
Often yes for homes ready to electrify heating. Some clients keep gas backup. Cooling capacity is built in — one outdoor unit for both seasons.
No rebate is guaranteed until program rules and your install match. We help you navigate current options via our rebates page and your quote notes.
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.
Yes. We are based in North York at 132 Cartwright Ave and regularly serve Toronto, Mississauga, Vaughan, Markham, Scarborough, Etobicoke, Brampton, and nearby communities.
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.

Plan a heat pump that fits Toronto weather

Request a site assessment — ducted, ductless, or hybrid — from Toronto Air Systems.

Get a heat pump quote Call 647 953-4252