Lennox
ENERGY STARLennox ML14KC1
Merit® Series · Single-stage · ENERGY STAR®
14.3+SEER2
Efficiency
14.3+ SEER2
Cooling
Single-stage
Sound
As low as 73 dB
Refrigerant
R-454B
Same-Day AC Service in Vaughan
Air Conditioning Repair in Vaughan
When your AC fails in Woodbridge or Kleinburg during a July heatwave, you need a technician who can reach you today. Megacity HVAC provides same-day AC repair across Vaughan with TSSA-certified techs and honest upfront pricing.
Same-Day AC Repair
Serving Vaughan & the GTA
TSSA Certified Technicians
5.0 Google & HomeStars
Customer Reviews·
5.0 / 5.0 · 104+ Google reviews
Vaughan AC Experts
Air Conditioning Repair Across Vaughan, Done Right Since 1999
Vaughan has transformed over the last 27 years from a semi-rural community into one of the GTA's largest cities, with over 340,000 residents. Woodbridge, Maple, Thornhill, Kleinburg, and Vellore Village all have distinct housing stock — from century homes in Kleinburg's old village to 5,000 sq ft custom estates in Patterson and the condo towers at Vaughan Metropolitan Centre. Every type needs a different AC approach.
Megacity HVAC has serviced Vaughan for over 27 years. Many Woodbridge and Thornhill homes built in the 1970s and 1980s have first or second-generation central AC systems that are at end-of-life now. Newer Maple and Vellore Village subdivisions from the late 1990s and early 2000s are hitting the 20-year mark where replacement is typically cheaper than continued repairs.
Emergency AC repair (24/7)
Same-day diagnostics and repair
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 detection
Condenser and coil service
Smart thermostat setup
24/7 Emergency
Real answer, day or night — no extra fees for evenings or weekends.
Upfront Pricing
A fixed price before any work starts. You approve it first.
Authorized Lennox Dealer
TSSA-certified, background-checked techs and full warranty support.
5.0★ · 250+ Reviews
Top-rated on Google and HomeStars, serving the GTA since 1999.
Equipment We Install
The Air Conditioners We Install in Vaughan
Central AC and ductless systems we install across Vaughan & the GTA — with manufacturer-published efficiency ratings.
York
ENERGY STARYork YXV (Affinity)
Affinity™ · Variable-capacity · ENERGY STAR®
up to 20SEER2
Efficiency
Up to 20 SEER2
Cooling
Variable-capacity
Sound
As low as 53 dBA
Compressor
Lifetime warranty
Mitsubishi Electric
ENERGY STARMitsubishi M-Series (MSZ-GS)
M-Series · Ductless inverter · ENERGY STAR®
up to 28.4SEER2
Efficiency
Up to 28.4 SEER2
Type
Ductless inverter
Sound
From 19 dB(A)
Setup
Single & multi-zone
KeepRite
KeepRite N5A8T
Performance · Two-stage
up to 18SEER2
Efficiency
Up to 18 SEER2
Cooling
Two-stage
Sound
As low as 69 dB
Refrigerant
R-454B
Payne
ENERGY STARPayne PA5S
PA5S · Single-stage · ENERGY STAR®
up to 16.5SEER2
Efficiency
Up to 16.5 SEER2
Cooling
Single-stage
Sound
As low as 73 dB
Sizes
1.5 – 5 tons
Kepler
Kepler Vortex 16
Vortex 16 · Single-stage
13.4SEER2
Efficiency
13.4 SEER2
Cooling
Single-stage
Refrigerant
R-410A
Warranty
10-yr parts + compressor
All specifications are published by the manufacturer. We install and service these systems across Toronto & the GTA.
Our Process
What to Expect From an AC Repair Visit in Vaughan
1
Describe the Problem
Tell us the symptoms over the phone. We dispatch a tech with the right parts.
2
Full AC Diagnostic
Refrigerant pressure, electrical testing, coil inspection, compressor and airflow checks.
3
Upfront Quote
A clear explanation and a fixed repair price. You approve before any work starts.
4
Repair and Verify
We fix it, run a full cooling cycle, check the temperature drop, and clean up.
Diagnostics
AC Problems We Fix Every Day in Vaughan
Most are solved same-day with parts we carry on our trucks.
AC Not Cooling
Low refrigerant, dirty condenser coils, failing compressor, or a frozen evaporator coil.
$150 – $600
AC Blowing Warm Air
Refrigerant leak, compressor issues, thermostat misconfiguration, or a clogged filter restricting airflow.
$100 – $450
Water Leaking from AC
Clogged condensate drain line, frozen evaporator coil, or a cracked drain pan.
$100 – $350
AC Short Cycling
Turning on and off rapidly without completing a cooling cycle. Oversized unit, dirty filter, low refrigerant, or electrical issue.
$100 – $400
Strange AC Noises
Grinding, squealing, buzzing, or banging from the indoor or outdoor unit.
$150 – $500
High Electricity Bills
Older 8 to 10 SEER units use nearly twice the electricity of a modern 16 SEER system.
Tune-up or replacement
Brands We Install
Trusted Equipment Brands We Install & Service
Authorized Lennox Dealer — with experienced installation, repair, and maintenance across our supported HVAC and water-heater brands.
FUJITSU
JOHN WOOD
$0
Down
Trusted Partner
Lease-to-Own Through Enbridge Sustain
Standard air conditioners are not covered by current rebate programs — but as a certified Enbridge Sustain Trusted Partner, we can install a new AC or heat pump in Vaughan with nothing down.
- No upfront cost — $0 down on approved credit
- Maintenance and repairs included for the term
- Predictable, manageable monthly payments
Common Questions
AC Repair Vaughan — FAQ
How much does AC repair cost in Vaughan?
AC repair in Vaughan typically runs $150 to $600. Capacitor and contactor replacements land at $150 to $250. Compressor work, refrigerant leak repairs, and evaporator coil replacements range from $300 to $600. Diagnostic fee is applied to the repair cost if you proceed.
Do you offer same-day AC repair across Vaughan?
Yes. We dispatch same-day to all Vaughan neighbourhoods including Woodbridge, Thornhill, Kleinburg, Maple, Concord, Vellore Village, and Patterson. During peak summer we prioritize no-cooling emergencies. Call (416) 286-5665.
Should I repair or replace my Vaughan home AC?
Replace if your unit is over 10 years old, uses R-22 refrigerant, or a single repair exceeds half the cost of a new system. Many Maple and Woodbridge homes built in the 1990s are at the replacement window now. A new 16 SEER central AC installs for $3,500 to $5,500 and pays back through lower hydro bills.
Do you service larger homes in Kleinburg and Patterson?
Yes. Many estate homes in Kleinburg, Patterson, and upper Woodbridge have 3,000+ sq ft with multi-zone AC configurations, dual systems, or variable-speed equipment. We service a wide range of supported brands and sizes. Larger homes often benefit from two separate AC systems — one per floor — rather than one oversized central unit.
Can you service condo AC in Vaughan Metropolitan Centre?
We service split-system central AC and ductless mini-splits in Vaughan condo buildings. Many newer towers use building-wide systems that the condo corporation maintains — those we cannot service. For individually-owned split or ductless units we provide the same repair and maintenance service we offer detached homes.
Get In Touch
Get a Free AC Estimate in Vaughan
Tell us what your AC is doing and we will get back to you fast. Same-day service available across Vaughan and the GTA — or call and talk to a real person now.
Call 24/7(416) 286-5665
Rated5.0★ on Google & HomeStars