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Same-day HVAC · Mississauga + GTA

The GTA HVAC tech you call whenReliance says Thursday.

Heating, cooling, plumbing, and gas lines — residential, commercial, and restaurant. Senior licensed technician, same-day service, no rental contracts. Serving Mississauga, Toronto, and the GTA — plus up to two hours out.

Fixed pricing in writing Senior licensed tech — BSc., Certified HVAC Technician Same-day across the GTA
  • TSSA F/S F/S-7864-0125
  • Licensed Technician Fully Insured
  • BSc. Certified Technician
  • Open 24/7 Mississauga + GTA

Who we serve

Residential, commercial, and restaurant.

Most HVAC shops only do houses. We do houses, offices, and — uniquely — restaurants. Rooftop units, walk-ins, kitchen exhaust, make-up air, grease traps, gas line build-outs. Health-inspection-ready work.

  • Residential

    Single-family homes, townhomes, and condos across the GTA.

  • Commercial

    Offices, retail, warehouses, and multi-unit buildings — light to mid-size.

  • Restaurant

    Restaurant rooftop units, walk-ins, freezers, kitchen exhaust, make-up air, and commercial hot water. Health-inspection-ready work.

Why Universal Air

The middle ground the big names don't offer.

The GTA HVAC market is split: national brands rent you equipment you'll never own, and the long tail of indies can't give you response times or warranty transparency. We're the third option — an owner-operator with the responsiveness of an indie and the accountability of a brand.

Own your equipment

We install furnaces and water heaters to own — not 15-year rentals that quietly cost you two-to-three times the price. If you're in a rental contract, we'll help you get out.

Senior tech every call

You get the owner or a senior licensed technician — not an apprentice on a training job. One person stays with your job from quote to commissioning.

Same-day response

No-heat and no-cool calls get triaged to the front of the day. Most GTA-core calls run 2–4 hours door-to-door, with a real ETA before we dispatch.

Owner & Lead Technician

Param Sidhu

BSc., Certified HVAC Technician

TSSA F/S

F/S-7864-0125

25+ years on the tools

Who you're calling

An owner who answers the phone.

Universal Air Systems is owner-operated by Param Sidhu — BSc. engineer and certified HVAC technician. Every install, service call, and restaurant job is personally quoted and executed. No call centres. No commissioned salespeople.

"If I wouldn't put it in my own home, I'm not installing it in yours. Most problems in this trade come from cutting the wrong corner — and I don't cut any."
— Param Sidhu, Owner & Lead Technician
  • Every job personally quoted
  • Fixed pricing before work starts
  • Warranty in writing on every invoice
  • Rebate paperwork handled end-to-end

Real jobs, real outcomes

Three real jobs beat a thousand anonymous testimonials.

Most HVAC sites run a wall of unverifiable five-stars. We'd rather show you one job in detail.

View on Google 4.3 average · verified reviews
Oakville · Furnace Repair

Furnace died the day before a blizzard. Back online by 4pm.

Family of five, thermostat reading 12°C. Senior tech diagnosed a failed inducer motor, had the part on the truck, back to 21°C in under three hours — with the repair cost credited against a new install estimate.

See this service
Mississauga · Heat Pumps

Got out of a $48/month Reliance rental; heat pump installed and rebated.

Homeowner was four years into a 15-year furnace rental. We ran the buyout math, showed her she'd save $7,600 over the remaining term, installed a cold-climate heat pump with Greener Homes + HER+ paperwork filed on her behalf.

See this service
Brampton · Commercial HVAC

Restaurant rooftop down during dinner rush. Service before last reservation.

Indian restaurant, Friday evening, kitchen RTU compressor seized. We had a loaner condenser on the truck within 45 minutes, kept service running while we sourced the replacement, swapped it out before open on Saturday.

See this service

Service area

Mississauga and the GTA, plus two hours out.

Greater Toronto Area and up to 2 hours out — London, Kitchener, Barrie, Kingston, Niagara.

Rebates & financing

Stack the rebates. Skip the paperwork.

Most Ontario homeowners qualify for thousands in rebates on high-efficiency installs — Canada Greener Homes Grant, Enbridge HER+, and manufacturer rebates. We handle the application paperwork so you see the net cost, not the sticker.

  • Canada Greener Homes Grant

    Up to $5,000

    Heat pumps, insulation, windows, and eligible envelope upgrades.

  • Enbridge HER+

    Up to $10,000

    Stackable retrofits — heat pumps, tankless, insulation, air-sealing.

  • Manufacturer financing

    0% available

    Carrier, Lennox, and Trane partner financing on approved credit.

FAQ

Questions we get a lot.

Do you charge for a quote?
No — replacement and install quotes are free. For diagnostic calls on a broken system, there's a flat service-call fee disclosed before we drive out. If you approve the repair, it's credited to the job.
How fast can you actually get here?
Most GTA-core calls get same-day service, with a real ETA before we dispatch. No-heat and no-cool calls during cold snaps or heat waves get triaged to the front of the day.
Why shouldn't I just rent from Reliance or Enercare?
Over 15 years, rental programs typically cost two to three times as much as owning the same equipment — and the rental contract follows the house if you sell. We install to own, help you get out of existing rentals, and handle all rebate paperwork.
Do you work on every brand?
Yes — Lennox, Carrier, Trane, Goodman, York, Amana, Rheem, Bryant, and most others. We stock common failure parts on the truck.
Are you licensed and insured?
Yes. TSSA F/S F/S-7864-0125, HRAI member, fully insured. Owner is Param Sidhu (BSc., Certified HVAC Technician). Licence numbers printed on every invoice.
Do you handle restaurant or commercial work?
Yes — restaurant kitchens, rooftop units, walk-ins, commercial hot water, and gas line build-outs are a significant part of what we do. Health-inspection-ready work, permit coordination, and after-hours scheduling to avoid service disruption.

Open 24/7

Ready when you are.

Most GTA calls get same-day service. Pick up the phone or drop your postal code — we'll call you back with a real ETA.

Mississauga, ON · Greater Toronto Area and up to 2 hours out — London, Kitchener, Barrie, Kingston, Niagara.

Call (416) 258-2460 24/7