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![HVAC services in Markham](https://northwindhvacpro.ca/wp-content/uploads/2024/03/HVAC-services-in-Markham.jpg)

# Markham Furnace and AC Repair & Installation

###  Expert HVAC Services, Furnace, AC, Heat Pump and More!

North Wind HVAC provides HVAC services throughout Markham, Unionville & surrounding areas! We offer same-day repairs and 7 Days a Week appointment availability for all of our HVAC repairs and installations. Call us today!

[![google](https://northwindhvacpro.ca/wp-content/uploads/2023/03/google.png)](https://maps.app.goo.gl/gcoPgxQe9iWgANRq6)

![tssa certified hvac company](https://northwindhvacpro.ca/wp-content/uploads/2025/08/tssa-certified-hvac-company.png)

![North WInd Service Pages Images emergency hvac services markh](https://northwindhvacpro.ca/wp-content/uploads/2025/08/emergency-hvac-services-markham.jpg)

We’re Ready to Help You!

## HVAC Company Serving Markham & Surrounding Areas

North Wind HVAC has been proudly serving homeowners in Markham, Unionville and surrounding areas with top-rated heating and cooling services for multiple years now. As part of the York Region community, we’re committed to providing HVAC solutions that aren’t only high-quality but also affordable.

Here’s what you can expect when you choose us:

- ### FREE In-Home Estimates
- ### Same-Day Furnace & AC Repairs
- ### 7 Days a Week Emergency HVAC Services
- ### Professional Installation of New AC & Furnace Units
- ### Fully Trained, Licensed & Insured Technicians

North Wind HVAC

## Book HVAC Services in Markham

Please select the service you need below to learn more about our repair and installations.

[![emergency ac repair markham](https://northwindhvacpro.ca/wp-content/uploads/2025/08/emergency-ac-repair-markham.jpg)](https://northwindhvacpro.ca/ac-repair/)

### AC Repairs

[![residential ac install markham](https://northwindhvacpro.ca/wp-content/uploads/2025/08/residential-ac-install-markham.jpg)](https://northwindhvacpro.ca/ac-installation/)

### New AC Installations

[![North Wind Location Pages Services mini split ac repair se](https://northwindhvacpro.ca/wp-content/uploads/2025/08/mini-split-ac-repair-services-markham.jpg)](https://northwindhvacpro.ca/ductless-air-conditioning/)

### Ductless AC Services

[![emergency furnace repair markham](https://northwindhvacpro.ca/wp-content/uploads/2025/08/emergency-furnace-repair-markham.jpg)](https://northwindhvacpro.ca/furnace-repair/)

### Furnace Repairs

[![new furnace unit markham](https://northwindhvacpro.ca/wp-content/uploads/2025/08/new-furnace-unit-markham.jpg)](https://northwindhvacpro.ca/furnace-installation/)

### New Furnace Installations

[![hvac duct services markham](https://northwindhvacpro.ca/wp-content/uploads/2025/08/hvac-duct-services-markham.jpg)](https://northwindhvacpro.ca/duct-work/)

### Duct Work

[![emergency heat pump service markham](https://northwindhvacpro.ca/wp-content/uploads/2025/08/emergency-heat-pump-service-markham.jpg)](https://northwindhvacpro.ca/heat-pump-repair/)

### Heat Pump Repairs

[![residential heat pump install markham](https://northwindhvacpro.ca/wp-content/uploads/2025/08/residential-heat-pump-install-markham.jpg)](https://northwindhvacpro.ca/heat-pump-installation/)

### New Heat Pump Installations

[![North Wind Location Pages Services residential humidifier](https://northwindhvacpro.ca/wp-content/uploads/2025/08/residential-humidifier-repair-services-markham.jpg)](https://northwindhvacpro.ca/humidifier-installation-repair-maintenance/)

### Whole Home Humidifiers

[![ventilation system install markham](https://northwindhvacpro.ca/wp-content/uploads/2025/08/ventilation-system-install-markham.jpg)](https://northwindhvacpro.ca/hrv-installation/)

### HRV & ERV Installations

[![new gas line install markham](https://northwindhvacpro.ca/wp-content/uploads/2025/08/new-gas-line-install-markham.jpg)](https://northwindhvacpro.ca/gas-line-installation/)

### Gas Line Installations

[![North Wind Location Pages Services commercial hvac service](https://northwindhvacpro.ca/wp-content/uploads/2025/08/commercial-hvac-services-hvac-markham.jpg)](https://northwindhvacpro.ca/commercial-hvac-service/)

### Commercial HVAC Services

Fast Repairs. Safe Heating. Peace of Mind.

## Book Furnace Repair Services in Markham

Our licensed technicians diagnose the problem accurately the first time, explaining what’s happening, what needs to be repaired, and what your options are before any work begins. No pressure. No hidden fees.

### Common Furnace Problems We Repair:

- Furnace blowing cold air
- No heat or weak airflow
- Loud banging, rattling, or humming noises
- Pilot light or ignition issues
- Thermostat not responding
- System constantly turning on and off
- Unexpected spike in energy bills

![furnace repair services markham](https://northwindhvacpro.ca/wp-content/uploads/2026/02/furnace-repair-services-markham.webp)

![ac repair services markham](https://northwindhvacpro.ca/wp-content/uploads/2026/02/ac-repair-services-markham.webp)

Expert Repairs. Efficient Cooling. Comfortable Homes.

## Book AC Repair Services in Markham

Whether it’s a refrigerant issue, electrical fault, compressor problem, or airflow restriction, our technicians will diagnose the issue quickly and provide clear solutions.

### Signs Your AC Needs Repair:

- AC is running but not cooling
- Warm air coming from vents
- Weak airflow
- Unusual noises or smells
- Water is pooling around the unit
- System constantly cycling on and off
- Higher than normal electricity bills

## AC & Furnace Considerations For Markham, Unionville & Surrounding Neighbourhoods

Whether you live in Markham, Unionville, or anywhere surrounding, considering local conditions will help make sure you install the right type and size AC, furnace or heat pump system for you. Let’s go through these considerations to factor in for your home heating and cooling needs:

- **Climate & Plant Hardiness Zone:** Markham is located in Plant Hardiness Zone 6a, where winter temperatures can drop as low as -23.3°C and summers often bring high heat and humidity. You would need a furnace that provides 50–55 BTUs per square foot, paired with an air conditioner or heat pump.
- **Urban Conditions:** As Markham sits within the Greater Toronto Area, homes can face either suburban cold or heat buildup on either side of the extremity. This combination means that installing an energy-efficient furnace and AC is essential.

By considering local climate, you’ll not only choose the right HVAC system for your home but also save money on future repairs and energy costs. North Wind provides **FREE in-home consultations** throughout Markham to help you select the best unit for your home and ensure it meets local requirements.

![heating cooling repair service markham unionville](https://northwindhvacpro.ca/wp-content/uploads/2026/01/heating-cooling-repair-service-markham-unionville.jpg)

[![Central air conditioning repair service unionville](https://northwindhvacpro.ca/wp-content/uploads/2026/01/Central-air-conditioning-repair-service-unionville.jpg)](https://northwindhvacpro.ca/wp-content/uploads/2026/01/Central-air-conditioning-repair-service-unionville.jpg "Central air conditioning repair service unionville")

[![Heating cooling and ventilation services Markham](https://northwindhvacpro.ca/wp-content/uploads/2025/09/Heating-cooling-and-ventilation-services-Markham.jpg)](https://northwindhvacpro.ca/wp-content/uploads/2025/09/Heating-cooling-and-ventilation-services-Markham.jpg)

[![Local furnace repair specialists unionville](https://northwindhvacpro.ca/wp-content/uploads/2026/01/Local-furnace-repair-specialists-unionville.jpg)](https://northwindhvacpro.ca/wp-content/uploads/2026/01/Local-furnace-repair-specialists-unionville.jpg "Local furnace repair specialists unionville")

[![Markham expert HVAC services](https://northwindhvacpro.ca/wp-content/uploads/2025/09/Markham-expert-HVAC-services.jpg)](https://northwindhvacpro.ca/wp-content/uploads/2025/09/Markham-expert-HVAC-services.jpg "Markham expert HVAC services")

[![Markham furnace and AC repair and installation](https://northwindhvacpro.ca/wp-content/uploads/2025/09/Markham-furnace-and-AC-repair-and-installation.jpg)](https://northwindhvacpro.ca/wp-content/uploads/2025/09/Markham-furnace-and-AC-repair-and-installation.jpg "Markham furnace and AC repair and installation")

[![North Wind HVAC Markham](https://northwindhvacpro.ca/wp-content/uploads/2025/09/North-Wind-HVAC-Markham.jpg)](https://northwindhvacpro.ca/wp-content/uploads/2025/09/North-Wind-HVAC-Markham.jpg "North Wind HVAC Markham")

## Local HVAC Technicians in Markham

Need a trusted HVAC company in Markham? Our team is right here in your community, ready to help whenever you need us. From repairs to new installations, our Markham & Unionville HVAC technicians are on call 7 Days a Week to deliver expert service without any delays!

#### Neighbourhoods & Postcodes We Serve In Markham

- Angus Glen – L6C
- Buttonville – L3R
- Cachet – L6C
- Cornell – L6B
- Greensborough – L6E
- Legacy – L6B
- Markham Village – L3P

- Raymerville – L3P
- Rouge Fairways – L3S
- Rouge River Estates – L3S
- Sherwood-Amberglen – L3P
- Thornhill (Markham side) – L3T
- Unionville – L3R
- Victoria Manor-Jennings Gate – L6C

- Village Green-South Unionville – L3R
- Vinegar Hill – L3P
- Wismer – L6E
- Old Markham Village – L3P
- Quantztown – L3P
- German Mills – L3T
- Grandview – L3T

- Milliken Mills East – L3R
- Milliken Mills West – L3R
- Middlefield – L3S
- Box Grove – L6B
- Cedarwood – L3S
- Rouge River – L3S
- Victoria Square – L6C

Quality Brands We Trust

## Brands We Service

[![Lennox logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Lennox-logo.jpg)](https://northwindhvacpro.ca/lennox-ac-furnace-repair/)

[![Carrier logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Carrier-logo.jpg)](https://northwindhvacpro.ca/carrier-ac-furnace-repair/)

[![ADP logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/ADP-logo.jpg)](https://northwindhvacpro.ca/adp-unit-heater-repair/)

[![Trane logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Trane-logo.jpg)](https://northwindhvacpro.ca/trane-ac-furnace-repair/)

[![Google Nest logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Google-Nest-logo.jpg)](https://northwindhvacpro.ca/gnest-thermostat-repair/)

[![Rheem logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Rheem-logo.jpg)](https://northwindhvacpro.ca/rheem-ac-furnace-repair/)

[![Comfortmaker logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Comfortmaker-logo.jpg)](https://northwindhvacpro.ca/comfortmaker-ac-furnace-repair/)

[![York logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/York-logo.jpg)](https://northwindhvacpro.ca/york-ac-furnace-repair/)

[![Goodman logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Goodman-logo.jpg)](https://northwindhvacpro.ca/goodman-ac-furnace-repair/)

[![Honeywell logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Honeywell-logo.jpg)](https://northwindhvacpro.ca/honeywell-thermostat-humidifier-repair/)

[![Bradford White logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Bradford-White-logo.jpg)](https://northwindhvacpro.ca/bradford-white-water-heater-repair/)

[![Aprilaire logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Aprilaire-logo.jpg)](https://northwindhvacpro.ca/aprilaire-thermostat-humidifier-repair/)

[![Reznor logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Reznor-logo.jpg)](https://northwindhvacpro.ca/reznor-furnace-repair/)

[![Noritz logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Noritz-logo.jpg)](https://northwindhvacpro.ca/noritz-tankless-water-heaters-repair/)

[![Mitsubishi Electric logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Mitsubishi-Electric-logo.jpg)](https://northwindhvacpro.ca/mitsubishi-electric-system-repair/)

[![logo amana logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Amana-logo.jpg)](https://northwindhvacpro.ca/amana-ac-furnace-repair/)

[![Keeprite logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Keeprite-logo.jpg)](https://northwindhvacpro.ca/keeprite-ac-furnace-repair/)

[![John Wood logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/John-Wood-logo.jpg)](https://northwindhvacpro.ca/john-wood-tanked-water-heaters-repair/)

[![Tempstar logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Tempstar-logo.jpg)](https://northwindhvacpro.ca/tempstar-ac-furnace-repair/)

[![Ruud logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Ruud-logo.jpg)](https://northwindhvacpro.ca/ruud-ac-furnace-repair/)

[![Excalibur logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Excalibur-logo.jpg)](https://northwindhvacpro.ca/excalibur-ac-furnace-repair/)

[![Giant logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Giant-logo.jpg)](https://northwindhvacpro.ca/giant-tanked-water-heaters-repair/)

[![runtru logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/runtru-logo-logo.png)](https://northwindhvacpro.ca/runtru-ac-furnace-repair/)

[![Ducane logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Ducane-logo.jpg)](https://northwindhvacpro.ca/ducane-ac-furnace-repair/)

[![Bryant logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Bryant-logo.jpg)](https://northwindhvacpro.ca/bryant-ac-furnace-repair/)

[![Daikin logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/Daikin-logo.jpg)](https://northwindhvacpro.ca/daikin-ac-furnace-repair/)

[![AO Smith logo](https://northwindhvacpro.ca/wp-content/uploads/2023/03/AO_Smith-logo.jpg)](https://northwindhvacpro.ca/ao-smith-tanked-water-heaters-repair/)

 Weather Data Source: [sharpweather.com/weather_markham/30_days/](https://sharpweather.com/weather_markham/30_days/)

![decor right top](https://northwindhvacpro.ca/wp-content/uploads/2023/03/decor-right-top.png)

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Get in touch with our experts to book your appointment, today.

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