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Condo HVAC Repair in Markham
Markham Centre, Unionville, Thornhill & Highway 7 Corridor

HVAC blowing warm air instead of cold? Hearing rattling or banging from your unit? Condo too hot in summer, too cold in winter? We fix every condo heating and cooling issue in Markham—Markham Centre, Unionville, Thornhill, and the Highway 7 corridor.

Markham's newer condo towers use advanced 4-pipe fan coils and heat pump systems that most general HVAC companies aren't trained on. We work exclusively with condo HVAC and have the parts and expertise to handle Markham's modern building systems.

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Condo HVAC repair Markham - fan coil service
#1 Most Trusted By Property Managers

Markham neighborhoods we serve

Our technicians service condos throughout every corner of Markham. We're familiar with the buildings, the management companies, and the HVAC systems in each area.

Markham Centre Unionville Cornell Berczy Thornhill Cathedraltown Angus Glen Greensborough Wismer Box Grove Highway 7 Corridor Warden & Hwy 7

Also serving: Richmond Hill, Scarborough, North York, Vaughan, Stouffville, and surrounding GTA areas.

Markham neighborhoods map - Hudson HVAC service area

Common condo HVAC issues in Markham

These are the problems Markham condo residents call us about most often. The mix of brand-new towers and established buildings means we see a wide variety of issues.

New-Build Control Failures

Many newer Markham Centre condos use electronic control boards that can fail prematurely. Symptoms include unresponsive thermostats, erratic heating/cooling, or units that won't turn on at all despite power.

Construction Debris Clogs

Condos built in the last few years along Highway 7 frequently have condensate drain lines clogged by drywall dust and construction residue, causing water leaks that surprise new owners.

Seasonal Changeover Issues

Older Thornhill condos with 2-pipe fan coils struggle during seasonal transitions. When the building switches from cooling to heating, stuck actuator valves leave individual units without heat.

ERV Filter Neglect

Most newer Markham condos have ERV ventilation systems with filters that need regular cleaning. Neglected ERV filters reduce fresh air flow, cause musty odors, and strain the unit's motor.

Heat Pump Compressor Noise

Water-source heat pumps in Markham's newer towers can develop compressor or refrigerant issues that produce loud buzzing, clicking, or cycling noises—especially during peak cooling season.

Thermostat Wiring Mismatch

Markham condo owners often try installing consumer smart thermostats designed for furnaces—not fan coils. Incompatible wiring causes system errors, no response, or even component damage.

Why Markham condos trust Hudson

Condo-Only Focus

We exclusively service condominiums. We understand fan coils, heat pumps, and building loops—not residential furnaces or window units.

Modern System Expertise

Markham's new condos use advanced HVAC controls. We're trained on the latest electronic boards, smart thermostats, and ERV systems found in Highway 7 towers.

5.0 Google Rating

705+ reviews from happy condo owners and property managers across the GTA.

24/7 Emergency

No heat in January? Water flooding from your fan coil? We dispatch 24/7 for emergencies across Markham and York Region.

Condo HVAC equipment we repair in Markham

We service all types of in-suite HVAC systems found in Markham condominiums—from established Thornhill towers to the newest Markham Centre highrises.

Fan Coils

2-pipe & 4-pipe systems

Heat Pumps

Water-source WSHP units

PTAC/PTHP

Through-wall units

ERV/HRV

Ventilation systems

Understanding Markham's condo HVAC landscape

Markham's condo clusters along Highway 7 and at Markham Centre primarily use modern HVAC systems—4-pipe fan coils, water-source heat pumps, and ERV ventilation units. These newer systems offer excellent efficiency but require specialized condo HVAC expertise when components fail, especially electronic control boards, refrigerant circuits, and smart thermostat integrations.

Older condo stock in south Markham and Thornhill typically runs on 2-pipe fan coils from the 1990s-2000s era. These systems are simpler but aging—stuck actuator valves, corroded drain pans, and worn blower motors are common repair calls. We carry parts for both system generations and handle repairs across Markham daily.

Markham city - condo HVAC service area

How we handle condo HVAC repairs in Markham

From the moment you call to the final follow-up, here's what to expect when you work with Hudson in Markham.

1
You Call or Book Online

Describe the issue—no heat, water leak, strange noise. We'll ask about your building and unit to prepare the right technician and parts for your Markham condo.

2
On-Site Diagnosis

Our technician arrives, inspects the unit, tests components, and identifies exactly what's wrong. We explain the issue in plain language and provide upfront pricing.

3
Repair & Test

We complete the repair using quality parts, then run the system through heating and cooling cycles to verify everything works properly before leaving.

4
Report & Follow-Up

You receive a detailed digital report with photos documenting the work. Property managers get reports through our Hudson Dashboard platform.

Frequently asked questions about condo HVAC in Markham

Answers to the questions Markham condo owners and residents ask us most.

Condo HVAC repair in Markham typically costs $150-$650 for common issues like thermostat replacement, drain clearing, or minor electrical repairs. More complex work—valve replacements, motor swaps, or refrigerant recharges—ranges from $300-$1000+. Many newer Markham Centre condos use electronic control boards that can affect parts pricing. We always provide upfront pricing before starting any work—no surprises.

Yes, we service all condos along Markham's Highway 7 corridor—from Warden Avenue east through Kennedy, McCowan, and beyond. This is one of Markham's fastest-growing condo zones, with new towers from developers like Times Group, Remington, and Ideal. Our technicians are familiar with the HVAC systems in these buildings and are frequently in the area servicing units.

It depends on the building's age and location. Newer condos in Markham Centre and along Highway 7 (built 2015+) typically have 4-pipe fan coil systems or water-source heat pumps with modern electronic controls and dedicated ERV ventilation. Older condos in south Markham and Thornhill often have 2-pipe fan coils that switch between heating and cooling seasonally. We service every type and carry parts for both generations.

Yes. While newer condos have modern systems, they're not problem-free. Common issues in Markham's new builds include: construction debris clogging condensate drains (drywall dust, paint residue), improperly commissioned electronic controls, defective actuator valves from initial installation, neglected ERV filters reducing air quality, and thermostat programming errors. Builder warranties on mechanical components typically expire after 1-2 years, leaving owners responsible for repairs.

Yes, we provide 24/7 emergency HVAC service throughout Markham. Common emergencies include no heat during winter (dangerous for pipes and residents), active water leaks from fan coils (can damage your unit and neighbours below), and complete system failures during extreme weather. We typically respond within 2-4 hours for emergencies in Markham. Call (437) 448-0640 any time—day or night.

Fan coil leaks are usually caused by: clogged condensate drains (the #1 cause—especially common in new Markham builds where construction debris blocks lines), failed condensate pumps, cracked or corroded drain pans (more common in older Thornhill condos), or pipe fitting issues. This is an urgent repair—turn off the unit immediately and call us. Water damage can affect units below and compound quickly.

It depends on your condo's declaration and bylaws. Generally, in-suite HVAC equipment (fan coils, heat pumps, thermostats) is the unit owner's responsibility, while building systems like water loops, risers, and main panels are the corporation's. Newer Markham condos sometimes have different arrangements outlined in the declaration—check with your property manager. We provide detailed documentation for any warranty or insurance claims.

Yes, we work with many property management companies serving Markham condos, including Del Property Management, Crossbridge, FirstService Residential, and ICC. We offer building-wide maintenance contracts, priority scheduling for contract buildings, and detailed digital reporting through our Hudson Dashboard platform—giving managers real-time visibility into unit-level HVAC status across their Markham portfolio.

We cover all of Markham including Markham Centre, Unionville, Cornell, Berczy, Thornhill (south Markham), Cathedraltown, Angus Glen, Greensborough, Wismer, Box Grove, and the entire Highway 7 corridor. We also serve neighbouring areas like Richmond Hill, Scarborough, North York, Stouffville, and the wider GTA.

It depends on your system. Popular smart thermostats (Nest, Ecobee) are designed for residential furnaces, not condo fan coils or heat pumps. Condo systems use different wiring and control voltages—installing an incompatible thermostat can cause errors or even damage components. We assess your specific Markham condo unit and recommend a compatible smart thermostat, then install it properly so it works reliably with your fan coil or heat pump.

Older Markham condos (Thornhill area, 1990s-2000s) typically use 2-pipe fan coils—simpler systems where the building switches between hot and chilled water seasonally. You can't heat while the building is in cooling mode. Newer condos (Markham Centre, Highway 7, 2015+) use 4-pipe fan coils or water-source heat pumps that provide independent heating and cooling year-round, plus dedicated ERV ventilation systems. Both have distinct repair needs—we carry parts and expertise for both.

We recommend annual maintenance for all condo HVAC systems. This includes cleaning coils, clearing drain pans, checking electrical connections, lubricating motors, and testing thermostats. For newer Markham condos with ERV systems, the ERV filters and heat recovery cores should also be cleaned annually—neglecting them leads to poor air quality and increased energy use. Many Markham condo corporations schedule building-wide annual maintenance with us.

Consider replacement if: the unit is 15+ years old, repairs cost more than 50% of replacement, you're experiencing frequent breakdowns, or parts are discontinued. Many Thornhill-area condos built in the 1990s are now at the age where fan coil replacement is often more economical than repeated repairs. Fan coils typically last 15-25 years; heat pumps 12-18 years. We provide honest assessments—we won't push a replacement when a repair makes more sense.

We provide a 1-year warranty on parts and labor for most repairs. If the same issue recurs within the warranty period, we fix it at no additional cost. Manufacturer parts may carry longer warranties. We provide detailed documentation of all work performed—useful for your records, insurance claims, or providing to your Markham condo's property management.

Absolutely. We understand that many Markham condo residents work from home—Markham has a large tech professional population. Most condo HVAC repairs take 30 minutes to 2 hours. We schedule at your convenience, work efficiently, keep noise to a minimum, and clean up thoroughly. For longer repairs, we'll let you know the timeline in advance so you can plan around it.

Need condo HVAC repair in Markham?

From Markham Centre to Unionville, Highway 7 to Thornhill—we're here to fix your condo's HVAC. Call us or request a service visit online.

(437) 448-0640 Request Service

Markham's trusted condo HVAC repair experts

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