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Top Options for HVAC Companies in Markham
Start with a few standout hvac companies in Markham and compare reviews, specialization, and local project fit.
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Compare more established hvac companies in Markham with stronger review history, clearer service details, and broader local context.
How to compare HVAC Companies in Markham, ON
Start by comparing contractor experience with both older furnaces and newer high-efficiency systems common across York Region. Look for clear diagnostics and proper load calculations for replacements, along with transparent quotes that separate equipment, labour, and any duct or control upgrades. Ask about tune-up plans tailored to Ontario’s seasonal swings, where maintenance timing matters.
What to compare first
- Review average, review count, and consistency across customer feedback.
- Service specialties, neighborhoods served, and experience with your project.
- Licensing, warranty details, and emergency availability when shown.
- Clear business details that help you compare local options.
Other HVAC Companies in Markham, ON
Browse more published hvac companies in Markham, ON to widen your shortlist and compare local options more carefully.
Typical HVAC Prices in Markham
Use these local price ranges as rough planning estimates. Final quotes depend on project scope, access, materials, permits, timing, and company pricing.
Quick pricing notes
- Use these as planning ranges, not final quotes.
- Ask what labor, materials, permits, cleanup, and timing include.
- Compare the same project scope with two or three local companies.
| Service | Typical Estimated Cost |
|---|---|
| AC RepairInstalled project | $125 - $2,500 CADPer Project |
| AC ReplacementInstalled project | $3,500 - $14,000 CADPer Project |
| Furnace RepairInstalled project | $150 - $1,800 CADPer Project |
| Furnace ReplacementInstalled project | $3,500 - $12,000 CADPer Project |
| Heat Pump InstallationInstalled project | $5,000 - $25,000 CADPer Project |
| Heat Pump RepairInstalled project | $200 - $2,500 CADPer Project |
| Boiler RepairInstalled project | $150 - $1,600 CADPer Project |
| Boiler ReplacementInstalled project | $4,500 - $16,000 CADPer Project |
| Thermostat InstallationInstalled project | $150 - $800 CADPer Project |
| Duct CleaningInstalled project | $250 - $1,100 CADPer Project |
| Ductwork InstallationInstalled project | $3,000 - $25,000 CADPer Project |
| Humidifier InstallationInstalled project | $400 - $3,000 CADPer Project |
| Air Purifier InstallationInstalled project | $1,000 - $4,500 CADPer Project |
| Annual HVAC MaintenanceInstalled project | $125 - $400 CADPer Visit |
| Emergency HVAC ServiceEmergency diagnostic and repair visit | $200 - $1,500 CADPer Visit |
Prices are general estimates only. Contact a local service company for an accurate quote for your home and project. See full price guide.
What homeowners should know before hiring HVAC Companies in Markham
These local insights highlight common project needs, area-specific factors, and smart questions to ask before choosing a company.
Common Project Types
- Emergency no-heat diagnostics and repair
- High-efficiency furnace replacement with load calculation
- AC or heat pump installation for summer humidity control
- Duct sealing and airflow balancing in mixed-age homes
- Thermostat and zoning upgrades for multi-level comfort
Local Considerations
- Ontario seasonal swings affect sizing, refrigerant charge, and airflow balance
- Mixed housing ages in Markham require flexible retrofit approaches
- Peak demand during cold snaps and heatwaves can extend lead times
- Energy efficiency incentives may change seasonally or by program
- Humidity control is important for comfort during GTA summers
Homeowner Guidance
- Request a written quote separating equipment, labour, and any duct or control work
- Ask for a Manual J–style load calculation before replacements
- Verify warranty terms and what parts/labour are covered
- Schedule pre-season tune-ups to avoid peak-season delays
- Confirm availability of parts for your system’s make and model
Area Considerations
- Markham’s housing ranges from established neighbourhoods to newer suburban communities
- York Region climate means both heating reliability and summer cooling capacity matter
- Access and space for equipment may vary between older basements and newer utility rooms
- Noise considerations for outdoor units in denser subdivisions
- Plan installations around seasonal weather to avoid downtime
Questions about HVAC Companies in Markham, ON
Quick answers to help you compare local businesses on this page.







