Fast, reliable furnace repair, air conditioning, and water heater service in Markham. Local technicians, upfront pricing, and 24hr emergency response — no surprises.
Markham is in east York Region between Richmond Hill and Pickering, with established residential neighbourhoods around Unionville and newer subdivisions further north.
Full-service HVAC solutions for homeowners in Markham — from emergency repairs to complete system installs.
Same-day furnace repair in Markham for all makes and models. We restore your heat fast.
Book a repairHigh-efficiency furnace installs in Markham with upfront pricing and clean workmanship.
Get a quoteFast AC repair and energy-efficient installation for Markham homeowners.
Request ServiceTank and tankless water heater repair and installation in Markham — same day available.
Request Service24hr emergency heating and cooling repair in Markham. We're on call when you need us most.
Call nowAnnual tune-ups in Markham to prevent breakdowns and keep your system running efficiently.
Book a tune-upWe're a local team serving Markham with fast, honest HVAC service. No call centres, no upselling — just reliable work at upfront prices.
Call (437) 999-4242 any time, day or night, across the GTA.
Proudly serving Markham and the Greater Toronto Area. Stop by or call us — we're always happy to help.
Common questions from Markham homeowners about heating, cooling, and water heater service.
Markham is a 407 run for our local team. Most Markham calls get same-day service. Call (437) 999-4242.
Yes. We work on furnaces, AC, and water heaters across Markham, including Unionville's older detached homes.
Yes. We size tankless water heaters and handle the gas line, venting, and wall-mount work.
Yes, 24 hours.
Olu HVAC serves Markham. Call (437) 999-4242 or email service@oluhvac.ca for any of the services below.
Olu HVAC Mississauga is open 24 hours. Call us, email us, or send a message.