Oshawa HVAC Contractors

Heating reliability matters in Oshawa, where frigid winters and humid summers strain older furnaces and AC systems. Finding dependable heating and furnace companies can take time across housing that ranges from established neighborhoods to newer suburban communities.

Top Options for HVAC Companies in Oshawa

Start with a few standout hvac companies in Oshawa and compare reviews, specialization, and local project fit.

Cassar Heating & Air Conditioning Featured
Cassar Heating & Air Conditioning
Oshawa, ON
5.00 (51 reviews)
Featured Pro
Enercare Featured
Enercare
Oshawa, ON
4.90 (9203 reviews)
Featured Pro
Limcan Certified Heating and Air Conditioning Featured
Limcan Certified Heating and Air Conditioning
Oshawa, ON
4.80 (708 reviews)
Featured Pro
Need help choosing?

Help me find a hvac company in Oshawa

Answer a few quick questions and ProsGrade will review your request before matching it to an eligible hvac company in Oshawa.

Get Matched

More Local Options

Compare more established hvac companies in Oshawa with stronger review history, clearer service details, and broader local context.

Active Climate Mechanical
Oshawa, ON
5.00 (48 reviews)
Pro
View Profile
Joe's Heating and Air Conditioning
Bowmanville, ON
4.90 (764 reviews)
Pro
View Profile
LFZ Heating & Cooling
Oshawa, ON
4.90 (175 reviews)
Pro
View Profile
Reliance Heating, Air Conditioning & Plumbing
Oshawa, ON
4.80 (7204 reviews)
Pro
View Profile
Superior HVAC Service
Oshawa, ON
5.00 (52 reviews)
Pro
View Profile
Local Buyer Guide

How to compare HVAC Companies in Oshawa, ON

Start by comparing response times for no-heat calls, diagnostic thoroughness, and clear repair-versus-replacement guidance. In a major east-GTA city like Oshawa, confirm availability during seasonal peaks, warranty terms, and whether contractors properly size equipment for Ontario’s swings. Look for transparent quotes that include permits when required and post-install support.

What to compare first

  • Review average, review count, and whether the feedback looks consistent across enough customers to be meaningful.
  • Service fit for Oshawa, ON customers, including specialties, neighborhoods served, and the kinds of projects the business handles well.
  • Practical trust signals such as years in business, emergency availability, licensing, warranty details, and clear service categories when those details are shown.
  • Whether the listing explains what the business actually does, who it is a strong fit for, and how it compares to other local options beyond a single headline claim.

Other HVAC Companies in Oshawa, ON

Browse more published hvac companies in Oshawa, ON to widen your shortlist and compare local options more carefully.

Max Comfort Heating & Cooling
Oshawa, ON
Score Not Available
View Profile
View Profile
Tracey Refrigeration
Oshawa, ON
Score Not Available
View Profile
Local Price Guide

Typical HVAC Prices in Oshawa

Use these Oshawa, ON HVAC price ranges as rough planning estimates. Final quotes can change with 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 Repair Diagnostic visit and common AC repair $125 - $2,500 CAD Per Visit
AC Replacement Central AC equipment and installation $3,500 - $14,000 CAD Per Project
Furnace Repair Diagnostic visit and furnace repair $150 - $1,800 CAD Per Visit
Furnace Replacement Furnace equipment and installation $3,500 - $12,000 CAD Per Project
Heat Pump Installation Heat pump system equipment and installation $5,000 - $25,000 CAD Per Project
Heat Pump Repair Diagnostic visit and heat pump repair $200 - $2,500 CAD Per Visit
Boiler Repair Diagnostic visit and boiler repair $150 - $1,600 CAD Per Visit
Boiler Replacement Boiler equipment and installation $4,500 - $16,000 CAD Per Project
Thermostat Installation Thermostat replacement and basic setup $150 - $800 CAD Per Project
Duct Cleaning Whole-home duct cleaning visit $250 - $1,100 CAD Per Visit
Ductwork Installation New or replacement ductwork installation $3,000 - $25,000 CAD Per Project
Humidifier Installation Whole-home humidifier installation $400 - $3,000 CAD Per Project
Air Purifier Installation Air purifier or filtration system installation $1,000 - $4,500 CAD Per Project
Annual HVAC Maintenance Seasonal tune-up and inspection visit $125 - $400 CAD Per Visit
Emergency HVAC Service Urgent HVAC diagnostic and repair visit $200 - $1,500 CAD Per Visit

Prices are general estimates only. Contact a local service company for an accurate quote for your home and project. See full HVAC price guide.

Local Market Insights

What homeowners should know before hiring HVAC Companies in Oshawa

These local insights highlight common project needs, area-specific factors, and smart questions to ask before choosing a company.

Most requested

Common Project Types

  • Emergency no-heat diagnostics and repair
  • High-efficiency furnace replacement
  • Air conditioner or heat pump installation
  • Seasonal tune-ups and filter programs
  • Ductwork repairs and airflow balancing
Area-specific

Local Considerations

  • Seasonal swings in Ontario drive peak winter and summer demand
  • Mixed housing stock affects duct sizing and return air needs
  • Permit requirements may apply for new installs or fuel changes
  • Humidity control is key for shoulder seasons and summer comfort
Before you hire

Homeowner Guidance

  • Request a load calculation and written scope for any new system
  • Compare parts and labor warranties, not just equipment brand
  • Ask for itemized quotes showing permits, materials, and disposal
  • Verify maintenance plan terms and priority service during peaks
  • Check availability for emergency service before signing
Home and neighborhood fit

Area Considerations

  • Oshawa’s housing ranges from established neighborhoods to newer suburban communities
  • Major east-GTA location with steady residential demand and active local contractor needs
  • Climate where seasonal conditions can make electrical protection and maintenance more important and exterior upkeep
  • Regional suppliers can impact part lead times during peak seasons

Questions about HVAC Companies in Oshawa, ON

Quick answers for people comparing local businesses on this page.

Start by comparing review quality, review volume, specialties, service area, and the practical details each business shares about the work it handles. On this page, the strongest listings usually make it easier to judge which hvac companies are the best fit for homes and projects in Oshawa, ON, Durham Region.

Businesses near the top usually have stronger review history, clearer service information, and better overall detail for homeowners trying to compare local options quickly. The goal is to surface businesses that are easier to evaluate, not force visitors to dig through thin listings.

Look for strong ratings, enough reviews to show a pattern, clear service details, and a listing that explains what the business actually offers in Oshawa, ON. In this market, homeowners usually want dependable help with heating, cooling, airflow, and overall comfort. Businesses with complete service information, solid review history, and a clear local service focus are usually easier to evaluate.

No. This page includes a broader set of published local listings so you can compare more than one type of option in Oshawa, ON. Some businesses may be highlighted more prominently, but the page is still meant to help you review a wider local field.
City Snapshot

Oshawa, ON

Population
175,383
Region
Ontario
Country
Canada