Mechanical systems, installed with precision.
Furnaces, Air conditioners, Heat pumps, Water heaters, and Commercial HVAC systems — professionally designed, installed, and serviced throughout the Greater Toronto Area and surrounding areas in Ontario. Whether it's a family home or a large commercial facility, we bring the same commitment to quality, reliability, and craftsmanship.
Built to hold the heat when winter doesn't quit.
A furnace isn't a luxury — it's a necessity, and the difference between a house and a home when winter sets in. We size to load, install it right, and leave you with a system you can count on every cold night.
- High-efficiency gas furnaces96%+ AFUE
- Cold-climate heat pumps-25°C rated
- Boiler & radiant systemsCustom
- Fireplace installationTSSA-stamped
- Gas line installationAll sizes / types
- 24/7 emergency serviceGTA-wide
Cool air, delivered quietly.
A well-sized AC runs less, lasts longer, and doesn't sound like a jet. We size to load — not to a sales target — and balance airflow so every room hits temperature.
- Central air conditioning14 to 20+ SEER
- Cold-climate heat pumpsHeat & cool
- Ductless mini-split systemsMulti-zone
- Refrigerant repair & rechargeR-410A · R-32
- Maintenance contractsAnnual
Hot water, endlessly — or efficiently stored.
Tankless gives you on-demand hot water that never runs out, with a smaller footprint and lower gas bills. Tank still wins on simultaneous demand and lower install cost. We help you pick the right one and install it like it'll be there for two decades.
- Tankless water heatersNavien · Rinnai
- Tank water heaters40, 50, 75 gal
- Power-vent & direct-ventAll configs
- Recirculation pumpsInstant hot
- Gas line upsize for tankless1/2" – 3/4"
- Annual descaling & serviceHard water
Kitchens designed to meet NFPA 96 standards.
Commercial kitchen mechanical work has a higher bar than residential. Hood velocity, make-up air balance, gas line sizing, fire-suppression integration — they all have to work together to NFPA 96. We pull permits, do the math, and stamp the work.
- Type I & II stainless hoodsCustom fab
- Gas line install & certificationTSSA
- Vulcan, Garland, Wolf connectionsAll brands
- Make-up air unitsBalanced
- Fire-suppression integrationNFPA 96
- Annual hood cleaning & certStamped
A complete mechanical practice — from residential comfort to commercial infrastructure.
Heating, cooling & water
Furnaces, AC, heat pumps, and water heaters for homes and small commercial — installed, repaired, and maintained.
Rooftop & building systems
Commercial RTUs, make-up air, and ventilation — installation, replacement, and scheduled service across the GTA.
Commercial kitchen gas
Gas line installation and appliance hook-ups for restaurants, certified to TSSA standards and inspection-ready.
Exhaust hoods & make-up air
Type I & II hood systems engineered, balanced, and built to NFPA 96 — our highest-value specialty.
How a mechanical job should actually run.
Site visit
We come out, measure, and look at what's actually there — not a phone quote. You get a real assessment.
Specification
Right-sized equipment, a clear scope, and a fixed quote. No surprises bolted on halfway through.
Install
Clean, code-compliant work done by licensed techs. We protect the space and leave it tidy.
Stand behind it
Warranty-backed, with service after the install. If something's off, we come back and make it right.
Heating, cooling & commercial mechanical across Toronto, Mississauga & Brampton.
Furnace Installation & Repair
High-efficiency gas furnace installation, replacement, and repair across the GTA. Same-day diagnostics on no-heat calls through the winter.
Air Conditioning & Cooling
Central AC and ductless mini-split installation, plus seasonal tune-ups and refrigerant service to keep systems running efficiently.
Heat Pump Installation
Cold-climate and dual-fuel heat pumps for year-round comfort and lower energy bills — sized and installed for Ontario winters.
Tankless & Tank Water Heaters
On-demand tankless systems and conventional tanks, with full gas and venting work handled to TSSA standards.
Commercial Rooftop Units (RTU)
RTU installation, replacement, and preventative maintenance for retail, office, and industrial buildings throughout the GTA.
Kitchen Gas & Exhaust Hoods
Commercial gas appliance hook-ups, Type I & II exhaust hoods, and make-up air — engineered and certified to NFPA 96.
X Mechanical Inc. provides licensed HVAC and mechanical contracting across Toronto, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, Burlington, Milton, Caledon, King City, and Kleinburg. From furnace and air conditioning installation in GTA homes to commercial rooftop units, restaurant gas lines, and NFPA 96 kitchen exhaust hood systems, our work is built to code and built to last. Call 437 333 5202 for 24/7 emergency service or a free estimate.
Recent installs, repairs & commercial builds.
What our customers say.
I had a great experience with X Mechanical Inc! Their team was professional, knowledgeable, and genuinely cared about doing the job right. From start to finish, the service was excellent.
Google ReviewI recently had X Mechanical install my tankless water heater, and I couldn't be happier with the experience. From start to finish, their team was professional, punctual, and really knew their craft.
Google ReviewCalled X Mechanical Inc. for an HVAC issue and they were great to deal with. They showed up on time, figured out the issue quickly, and the price was fair. Everything's been working perfectly since.
Google ReviewAmazing service. Super friendly, honest, and hardworking team. They went above and beyond to make sure everything was done right. It's hard to find people you can trust, but these guys delivered.
Google ReviewGreat experience! We had a heat pump and furnace installed, and the team was professional, efficient, and easy to work with. Everything was done on time and the system works perfectly. Highly recommend!
Google ReviewReally happy with the service! They fixed our air conditioner quickly and made the whole process easy and stress-free. Friendly team and everything is running perfectly now.
Google ReviewGot a quote that felt too high?
Before you commit to a major repair or replacement, get a no-charge second opinion from a licensed technician. We'll review the diagnosis, give you a straight answer, and an honest quote — no pressure, no obligation.
HVAC tips worth knowing.
Change filters regularly
A clogged filter is the number-one cause of weak airflow and overworked equipment. Check monthly, replace every 1–3 months.
Smart thermostat savings
A programmable or smart thermostat can cut 10–15% off heating and cooling costs by easing back when you're out or asleep.
Keep the condenser clear
Give your outdoor AC unit two feet of clearance. Leaves, grass, and debris choke airflow and shorten its life.
Use your ceiling fans
Counter-clockwise in summer pushes cool air down; you can raise the thermostat a few degrees and feel the same.
Seal leaky ductwork
Up to 30% of conditioned air can leak from bad ducts. Sealing return and supply runs is one of the best efficiency upgrades.
Book seasonal tune-ups
Inspect before each peak — spring for AC, fall for the furnace. Catching small issues early beats an emergency call in July.
Maintenance contract
Bi-annual inspections prevent the unscheduled downtime that costs you customers. A tune-up is a fraction of an emergency callout.
Program your thermostats
Scale back automatically after closing. A few degrees of overnight setback across 365 days is real money saved.
Train your staff
Constant manual overrides fight the system and waste energy. One quick walkthrough saves you for years.
Upgrade aging equipment
Over ten years old and standard efficiency? Energy-Star replacements often pay for themselves through savings and rebates.
Use zoning systems
Offices vs. warehouse, kitchen vs. dining — zoning lets each area run independently so you stop conditioning empty space.
Watch your kitchen exhaust
Hood filters need weekly cleaning and full duct cleaning twice a year. Beyond fire code, a clogged system spikes every utility bill.
The $5,000 rule
Multiply the unit's age by the repair cost. Over $5,000? It's almost always smarter to replace than repair.
Age matters
Furnaces last 15–20 years; AC condensers 10–15. Past that and breaking down twice a year, you're throwing good money after bad.
Bills creeping up?
If energy bills climb without a rate change, your equipment is losing efficiency. New equipment can pay for itself faster than you'd expect.
These tips are general guidance — every system is different. Not sure what yours needs? Give us a call and we'll take a look. No charge for honest advice.
Operating hours.
- Monday7:00 AM — 5:00 PM
- Tuesday7:00 AM — 5:00 PM
- Wednesday7:00 AM — 5:00 PM
- Thursday7:00 AM — 5:00 PM
- Friday7:00 AM — 5:00 PM
- Saturday8:00 AM — 5:00 PM
- Sunday by appointmentClosed — call for emergencies
Reach us anytime.
During business hours we usually answer on the first ring. After hours, leave a message and we'll get back first thing the next morning.
Working across the Greater Toronto Area.
Questions, answered.
Need it warmer, cooler, or fixed?
Tell us what's going on.
Free estimates, same-day service when possible, fully insured. Fill in the form and we'll get back to you the same business day — usually within an hour during working hours.