
Air Conditioning Repair in Whitby
When your AC dies mid-heatwave in Brooklin or Williamsburg, you need someone in Durham who can get there today. Megacity HVAC provides same-day AC repair across Whitby with TSSA-certified technicians, upfront pricing, and 27 years of experience.

Reliable Air Conditioning Service Across Whitby
Whitby has grown fast over the last two decades. What started as a small lakeside town is now a sprawling Durham community with over 130,000 residents across Brooklin, Williamsburg, Rolling Acres, Pringle Creek, and the original downtown core. That growth means a huge mix of housing stock — from pre-war cottages in Port Whitby to 3,500 sq ft executive homes in Brooklin — and every one of them needs a different approach to cooling.
Megacity HVAC has serviced Whitby homes for over 25 years. Our technicians know that the newer Brooklin subdivisions tend to have 14 to 16 SEER central AC systems that are now 10 to 15 years old — right at the replacement window. The older homes in Downtown Whitby and Port Whitby often lack ductwork entirely, making ductless mini-splits the better cooling answer. We diagnose, repair, and advise with that local context built in.
Our service trucks carry the most common parts on every visit: capacitors, contactors, fan motors, refrigerant, thermostats, and drain pans. That means most AC repairs in Whitby are completed on the first visit without the delay of ordering parts. We diagnose the issue, explain the fix in plain language, give you a firm price, and get your cooling running again — typically in one to two hours.
When repair is no longer the right investment, we install new central AC and ductless systems from Lennox, Carrier, Trane, Ducane, and Daikin. As an Authorized Lennox Dealer and certified Enbridge Sustain Trusted Partner, we offer competitive pricing, extended warranties, and handle all rebate paperwork so you get every dollar you're entitled to.
AC Services
Common AC Problems in Whitby Homes
We diagnose and repair these daily during cooling season across Brooklin, Williamsburg, Downtown Whitby, and Port Whitby.
AC Not Cooling
Low refrigerant, dirty condenser coils, failing compressor, or a frozen evaporator coil. Common in Brooklin and Rolling Acres homes where outdoor units sit in full sun.
AC Blowing Warm Air
Refrigerant leak, compressor issues, thermostat misconfiguration, or a clogged filter restricting airflow. We check every component on one visit.
Water Leaking from AC
Clogged condensate drain line, frozen evaporator coil, or a cracked drain pan. Especially common in older Port Whitby and Downtown homes.
AC Short Cycling
Turning on and off rapidly without completing a cooling cycle. Usually caused by an oversized unit, dirty filter, low refrigerant, or an electrical issue.
Strange AC Noises
Grinding, squealing, buzzing, or banging from the indoor or outdoor unit. Typically a failing fan motor, loose components, or compressor problems.
High Electricity Bills
If your hydro bill spikes every summer despite normal usage, your AC is losing efficiency. Older 8 to 10 SEER units use nearly twice the electricity of a modern 16 SEER system.
Central Air vs Ductless: Which Is Right for Your Whitby Home?
The right system depends on your home's ductwork, budget, and how you use your space. We help you choose during a free in-home assessment.
Central Air Conditioning
Ductless Mini-Split
Not sure which option fits your Whitby home? Free in-home assessments, no obligation.
Get a Free AC AssessmentAC Repair Across All Whitby Neighbourhoods
From Brooklin to Port Whitby, we service every corner of Durham. We know the housing stock, the common issues, and the fastest routes to reach you.
Whitby Homeowners — Save on Your New AC
As a certified Enbridge Sustain partner, we help Whitby homeowners access rebates on qualifying high-efficiency cooling equipment. We handle all the paperwork so you don't have to.
Learn About RebatesAC Repair Whitby — FAQ
How much does AC repair cost in Whitby?
AC repair in Whitby typically runs $150 to $600 depending on the issue. Capacitor and contactor replacements land at $150 to $250. Refrigerant leak repairs, compressor work, and evaporator coil replacements range from $300 to $600. We provide upfront pricing after diagnosis and apply the diagnostic fee to the repair cost if you proceed.
Do you offer same-day AC repair across Whitby?
Yes. We dispatch same-day to all Whitby neighbourhoods including Brooklin, Williamsburg, Rolling Acres, Downtown Whitby, Port Whitby, Pringle Creek, and Blue Grass Meadows. During peak summer we prioritize no-cooling emergencies. Call (416) 286-5665 and a TSSA-certified technician is usually at your door within a few hours.
Should I repair or replace my Whitby home AC?
Replacement is typically the right call if your unit is over 10 years old, runs on R-22 refrigerant (banned and expensive to source), or if a single repair exceeds half the price of a new system. Many Whitby homes built in the 1990s and 2000s are now hitting that replacement window. A new 16 SEER central AC installs for $3,500 to $5,500 and pays back quickly through lower hydro bills.
How do Whitby summers affect AC systems?
Whitby summers are less humid than downtown Toronto but often hotter during heat waves, and outdoor condensers in newer Brooklin subdivisions sit in exposed, full-sun backyards. That combination accelerates wear on compressors and refrigerant seals. An annual maintenance tune-up catches small problems before they leave you without cooling on a 32°C Saturday.
Do you service ductless mini-splits in older Whitby homes?
Yes. Many pre-1990 homes in Downtown Whitby and Port Whitby lack ductwork, and ductless mini-splits are the most practical cooling solution. We repair and install single-zone and multi-zone systems from Lennox, Daikin, and Mitsubishi. Single-zone installations start at $3,000 and multi-zone configurations can cool 2 to 5 rooms from one outdoor unit.
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Our HVAC Services
AC Broken in Whitby? Call Us Today
Same-day AC repair, transparent pricing, and 27+ years of experience. Call now or request a free estimate online.

