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Serving Toronto & the GTA Since 1999
24/7 Emergency Service
Enbridge Sustain Trusted Partner
Licensed & Insured · TSSA Certified
5.0 Google · 5.0 HomeStars
Serving Toronto & the GTA Since 1999
24/7 Emergency Service
Enbridge Sustain Trusted Partner
Licensed & Insured · TSSA Certified
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Air conditioning repair in Whitby
Same-Day AC Service in Whitby

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.

Enbridge Sustain Trusted Partner
Same-Day AC Repair
Serving All Whitby Neighbourhoods
TSSA Certified Technicians
5.0 HomeStars (151 Reviews)
Whitby AC Experts

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

Central AC repair and diagnostics
Same-day emergency AC service
Central air conditioning installation
Ductless mini-split installation
Multi-zone ductless systems
AC replacement and removal
Annual AC maintenance and tune-ups
Refrigerant recharge and leak repair
Coil cleaning and inspection
Smart thermostat installation
Diagnostics

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.

$150 – $600

AC Blowing Warm Air

Refrigerant leak, compressor issues, thermostat misconfiguration, or a clogged filter restricting airflow. We check every component on one visit.

$100 – $450

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.

$100 – $350

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.

$100 – $400

Strange AC Noises

Grinding, squealing, buzzing, or banging from the indoor or outdoor unit. Typically a failing fan motor, loose components, or compressor problems.

$150 – $500

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.

Tune-up or replacement
Cooling Options

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

$3,500 – $5,500 installed
Best if your Whitby home has existing ductwork
Cools the whole house evenly through vents
One outdoor unit, one thermostat for simplicity
Lower per-unit cost than multi-zone ductless
SEER ratings from 14 to 21 available
Integrates with your existing furnace system

Ductless Mini-Split

$3,000 – $4,500 per zone
No ductwork needed — ideal for older Port Whitby homes
Zone-by-zone temperature control per room
Heating and cooling in one unit year-round
Whisper-quiet indoor units (as low as 19 dB)
Multi-zone: cool 2 to 5 rooms from one outdoor unit
Quick installation with minimal wall disruption

Not sure which option fits your Whitby home? Free in-home assessments, no obligation.

Get a Free AC Assessment
Local Coverage

AC 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.

Brooklin
Williamsburg
Rolling Acres
Downtown Whitby
Port Whitby
Pringle Creek
Blue Grass Meadows
Rossland Corridor
Enbridge Sustain Partner

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 Rebates
Common Questions

AC 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.

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.

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Our Location

Proudly serving Toronto & the Greater Toronto Area from our East York office since 1999.

Megacity HVAC

Address
885 O'Connor Dr, East York, ON M4B 2S7
Hours
Mon – Sun: 7:00 AM – 11:00 PM
24/7 Emergency Service Available