Furnace Installation & Repair
Keep your home warm all winter with expert furnace repair and installation. From emergency calls to routine maintenance, we keep your system safe and efficient.
Learn moreLondon Heating & Cooling keeps homes across London, Ontario and Middlesex County comfortable all year. Furnaces in winter, air conditioning in summer, and steady maintenance in between, handled by one dependable team that knows your system and answers when you call.
London Heating & Cooling is a licensed, insured HVAC company in London, Ontario that handles both heating and cooling for homeowners, from a single repair to a maintenance plan that runs all year.
We built this business on long-term relationships, not one-off calls. Homeowners stay with us because the same team services the furnace they trust us with in January and the air conditioner we tune up in June. You get steady, honest advice, work done right, and someone who already knows your equipment when you pick up the phone.
Backed by our 100% satisfaction guarantee on every job.
Heating, cooling, air quality, and controls, all looked after by the same crew. Whether it is a repair today or a maintenance plan that keeps things running for years, you only need one number.
Keep your home warm all winter with expert furnace repair and installation. From emergency calls to routine maintenance, we keep your system safe and efficient.
Learn moreBeat the heat with reliable AC repair for central and ductless systems, fast diagnostics, tune-ups, and replacements to keep you cool all summer.
Learn moreYear-round, energy-efficient heating and cooling. We help you select, install, and maintain heat pump systems that lower energy costs and boost comfort.
Learn moreRemove dust, allergens, and debris from your ductwork to improve airflow, system efficiency, and the indoor air your family breathes.
Learn moreSmart and programmable thermostat repair and replacement for better temperature control, scheduling, and real energy savings.
Learn moreIdeal for homes without ductwork, targeted, energy-efficient cooling and heating designed precisely around your space.
Learn moreWe believe in transparency, respect, and quality workmanship. Here's what every customer can expect.
We look at the whole picture, heating and cooling together, and explain what we find in plain language. Whether it is a furnace repair, a new AC, or a heat pump, you get a clear recommendation, not a hard sell.
Our technicians show up on time, do the job properly, and leave your home as tidy as they found it, on every furnace, AC, thermostat, or duct job.
The job is the start of the relationship, not the end. With seasonal maintenance and a team that knows your equipment, your system keeps running well for years.
We're proud to be the heating and cooling partner our neighbours trust and recommend.
“The team saved us with an emergency furnace repair in January. Professional, friendly, and they truly cared about our comfort.”
“Best team for HVAC! They helped us choose an energy-efficient AC system without upselling unnecessary equipment.”
“Prompt, polite, and knowledgeable. They handled our heat pump installation with real pride. Highly recommend.”
No matter the make or model, our experts have the tools and experience to handle any furnace, air conditioner, heat pump, or ventilation issue, fast.
Practical advice to help you get the most from your heating and cooling system in London's climate.
London's real seasons push your HVAC system hard. Here's how often you should service your furnace and AC, and why twice a year is the sweet spot.
Read article
Don't wait for the coldest night of the year. Here are the most common warning signs your furnace needs repair before a London winter sets in.
Read article
If your AC runs all day but your home still feels sticky, humidity is likely the culprit. Here's why, and what you can do about it.
Read articleAnswers to the questions London homeowners ask us most.
Both. We are a full-service HVAC company, so the same team looks after your furnace in winter, your air conditioner in summer, and everything in between. One number covers your whole home comfort system.
Yes. Seasonal maintenance is the core of what we do. A spring AC tune-up and a fall furnace check keep your system efficient, catch small problems early, and help your equipment last longer. Many of our customers stay with us year after year for exactly this.
We aim to respond the same day and we prioritise loss of heat or cooling. Because we know our regular customers' systems, we often diagnose the issue faster too.
We give you the honest math. We look at the age of the unit, repair history, efficiency, and what a replacement would actually save you, then lay out the options so you can decide. We will not push a new system you do not need.
In almost all cases, yes. Our technicians work on every major brand of furnace, air conditioner, heat pump, and thermostat, including older and high-efficiency models, so you can keep the system you have running well.
We do. Heat pumps and ductless mini-splits give you efficient heating and cooling from one system, and we help you choose, install, and maintain the right setup for your home and budget.
Yes. Beyond heating and cooling, we handle duct cleaning, ventilation, and smart thermostats, so your whole system works together for cleaner air and steadier comfort.
Every technician on our team is fully licensed, insured, and trained. You get professional, accountable work from people who treat your home with respect.
Yes. We serve London and nearby communities including St. Thomas, Strathroy, Dorchester, Komoka, and the surrounding area.
We do. Heating and cooling problems do not wait for business hours, so we are on call day and night, weekends and holidays included.
We provide fast, reliable HVAC service throughout London and Middlesex County. If you don't see your town listed, give us a call, chances are we cover it.