24/7 HVAC Repair in Toronto & the GTA — Furnace, AC & Heat Pump

Heating and cooling services we connect

If you’re searching for HVAC repair Toronto, 2HVAC helps homeowners across Toronto and the GTA get connected on the same call to an available independent technician for emergency or same-day heating and cooling work, including repair, air conditioner installation, furnace and heat pump installation, and maintenance in Toronto homes, whether the issue is no heat, no cooling, a failing heat pump, or a system you’re planning to replace. When a furnace stops in winter or the AC quits in the middle of humid weather, waiting around on forms can mean more discomfort and more risk; when the work is not immediate, getting multiple estimates also helps compare pricing and services before choosing an HVAC contractor, so the call is answered live 24/7, your issue and postal code are confirmed, and you’re transferred directly to a licensed independent HVAC contractor who quotes the work.

This page is built for homeowners who need help now or are still researching what makes sense before they commit, including typical HVAC repair costs in Toronto, common furnace and AC problems, furnace rental and exit options in Ontario, the 2024 NOSI ban, rent versus buy decisions, rebates and financing listed through Natural Resources Canada and the Ontario Energy Board, technician licensing, emergency no-heat troubleshooting, furnace lifespan and sizing, heat pumps in cold climates, commercial rooftop HVAC, and how the 2HVAC live call-connection service works. Furnaces and air conditioners should be handled by professionals with experience specific to their make and model. Each page explains what usually goes wrong, what to do before the HVAC technician arrives, and what drives the cost across repair, installation, and maintenance, including air conditioner installation where a proper match to the home and existing system affects comfort and performance. Every one ends in the same live call.

• AC repairWarm air, ice on the lines, water on the floor, or a unit that will not start, with air conditioner repair connected live based on the problem you describe.
• AC installationAdding cooling equipment, or replacing a unit that has reached the end of its life, for different Toronto homes including a century home where system fit matters.
• Furnace repairNo heat, short cycling, strange noises, or a furnace that will not start.
• Furnace installationReplacing an old or failed furnace, and choosing what goes in its place.
• Heat pumpInstalling a heat pump, or fixing one that has stopped heating or cooling.
• ThermostatA blank or wrong thermostat, or a smart one that will not control the system.
• Duct cleaningDust from the vents, a smell when the system runs, or post-renovation debris.
• Air qualityDry winter air, summer humidity, dust, stale or stuffy rooms, and indoor air quality concerns, including preparation for Toronto summers and keeping the home comfortable in humid weather.

All heating and cooling services

What usually goes wrong

• No heat at all

  Check the thermostat, the furnace power switch and the breaker before anything else — someone switching the furnace off by mistake is genuinely common. In winter, losing heat often means you need same day furnace repair rather than waiting until the next day. If those are fine, the usual causes are the igniter, the flame sensor, the gas valve or the control board, and the first two are among the cheapest parts in the appliance.

• Short cycling

  The furnace lights, runs briefly, shuts off and starts again a few minutes later. Most often a dirty flame sensor, or a blocked filter overheating the unit and tripping its limit switch. One of the causes is a blocked flue, which makes it a safety matter rather than only a comfort one.

• No cool, or the AC blowing warm

  In summer this is usually low refrigerant from a leak in the home's cooling system, a failed capacitor, or a frozen evaporator coil caused by a blocked filter or weak proper airflow. Refrigerant work requires an ODP certificate under federal regulation — it is not a job for a handyman.

  Checking refrigerant levels helps diagnose weak cooling performance, and verifying refrigerant charge supports system performance and efficiency. Maintenance may also include a refrigerant check and inspection of coils, filters, and electrical connections to keep the air conditioning system efficient.

• Water around the indoor unit in summer

  Almost always the condensate drain: a blocked line or a failed pump backing water up into the pan. Left alone it damages the floor and the furnace beneath it, and it is usually a cheap fix caught early.

• A heat pump that stops heating in deep cold

  Some of this is normal — a heat pump runs a defrost cycle and blows cool briefly while it does. Modern cold-climate heat pumps can still operate effectively to about -15°C and help improve indoor comfort year-round. A dual-fuel setup pairs a heat pump with an existing furnace for colder weather and better winter energy efficiency. What is not normal is the auxiliary heat running constantly, which shows up as a hydro bill the weather does not explain and can also reduce indoor comfort.

• Noise that was not there last winter

  A bang on start-up can be delayed ignition, where gas builds before it lights, and is worth looking at the same day. A screech is usually a blower motor bearing. A rumble after shutdown can be burners not extinguishing cleanly.

What HVAC repair Toronto costs

HVAC repair Toronto pricing is not something we set, and we are not paid by you — the technician you are connected to quotes before starting. These are the published market ranges, so you know roughly what to expect before the phone is answered and can make a better money decision; average furnace repair costs in Toronto often fall between $100 and $1,000 depending on labour and parts.

A cracked heat exchanger is the one fault that ends the conversation: the furnace is red-tagged and shut off by law, and replaced rather than repaired, because repeated breakdowns can turn into costly repairs.

What can wait until morning, and what cannot

After-hours rates commonly run 50–100% above standard, so it is worth knowing which side of the line you are on before you dial; 24/7 emergency HVAC service is available in Toronto when it cannot wait.

Do not wait if you smell gas, if a carbon monoxide alarm has sounded, if the breaker trips again after one reset, or if you can see soot or scorching around the unit. Gas and CO are not comfort problems, and the first step for both is to leave the building before calling anyone.

Do not wait either if the house is dropping toward freezing, or if anyone at home is elderly, unwell or very young. Below about −15°C the pipes in outside walls become the more urgent problem, and a burst pipe costs far more than an after-hours call-out.

Everything else usually keeps. A furnace that is running but noisy, an AC that is weak rather than dead, a thermostat behaving oddly — those are morning jobs, and a good technician will tell you the same rather than take the premium. Regular maintenance helps avoid costly breakdowns and supports energy savings in the first place.

Why call 2hvac.ca

• Licensing required for gas and refrigerant work

  Every technician in our network agrees in writing to be part of a team of licensed, insured, licensed technicians, with the fully licensed licences and insurance Ontario requires, including valid liability insurance and WSIB coverage to protect your property during HVAC work: technicians must be certified by the Technical Standards and Safety Authority in Ontario for anything touching a furnace, a gas line or a gas water heater, and hold Environment Canada ODS certification for handling refrigerant. Ask for the number before work starts. Verifying mandatory licensing and insurance is a basic screening step when choosing HVAC technicians. A real technician expects the question, and so do expert technicians, because those qualifications support safe, effective repairs. Before approving work, ask whether replacement parts and labour are covered by a warranty, so you have clear expectations and a standard for customer satisfaction tied to safe, reliable work.

• 24/7, including the coldest nights

  The line is answered around the clock, every day of the year. A furnace fails at 2 a.m. in February more often than at 2 p.m. in June, which is exactly why the number does not go to voicemail. If nobody in your area is free at that moment, you are told so on the call rather than left waiting.

• No forms in an emergency

  When the house is dropping below freezing you should not be typing. Tap the number, talk, and get connected. The online request is for work that can wait, a seasonal tune-up or a system you are planning to replace, and it ends in the same live connection; contact us for planned replacement work or tune-ups, and a new HVAC system can be rented or bought. Some HVAC contractors can also help you access rebates that reduce installation costs. You can also ask for a free quote for planned replacement or installation work. Rentals often include maintenance services, but rental contracts can be hard to exit and may limit your choice of equipment, while buying usually means a larger upfront cost but can bring long-term energy-bill savings.

• An Ontario company

  2hvac.ca is run by PatchLead (1001689754 Ontario Inc.). Your details go to one technician, the one you are connected to, and are never sold on to a list of buyers. Our privacy policy and terms are published at real addresses on this site.

Before you choose among HVAC contractors, check independent reviews, community feedback, and the company’s local reputation in Toronto and North York for warning signs. Local contractors may provide better service than large national chains because they usually know the area, housing stock, and service conditions better.

Emergency guides

Plain steps for the minutes before a technician arrives: what to switch off, what to check yourself, and when to call Enbridge before anyone else.

• No Heat? Emergency Furnace Repair Toronto — What to Do Right NowFor emergency furnace repair in Toronto, check four things before anything else: the thermostat is set to heat and above room temperature, the furnace power switch is on, the breaker has not tripped, and the filter is not blocked.
• Gas Smell Furnace Toronto: Leave First, Then CallIf you smell gas near your furnace in Toronto, leave the building now without switching anything on or off, and call Enbridge Gas at 1-866-763-5427 from outside; if the smell is strong or you hear hissing, call 911 as well.
• AC Leaking Water Toronto: What to Do Right NowTurn the cooling off at the thermostat straight away if your AC is leaking water in Toronto, then contain the water and keep it away from anything electrical.
• Furnace Turning On and Off Every Few Minutes? (Toronto)A furnace that lights, runs for a minute or two and shuts off is either overheating or failing to prove its flame, and the most common cause is a filter so blocked the furnace cannot move air through itself.

All emergency guides