Ductless Mini Splits
In its own words, from its website: Professional HVAC services across Durham Region. Furnace installation, air conditioning, heat pumps, hot water tanks and more. Call David at (416) 508-4585.
Best Heat Pump Installers in Oshawa
Last updated: By HeatPumpIndex Evidence Desk
Ordered on the HeatPumpIndex score, never on payment.
- 40
- 4.8
- 22,737
- 20
Who are the best air conditioning companies in Oshawa?
Ductless Mini SplitsIn its own words, from its website: Joe's Heating serves Durham & Northumberland with HVAC installation, repair, and 24/7 emergency service. Family-owned since 1973. Call (905) 434-6788.
Air ConditioningIn its own words, from its website: Trusted HVAC services in Whitby & Durham Region. Furnace repair, AC installation, heat pumps & more. Call 905-493-4227.
Air ConditioningIn its own words, from its website: Trusted furnace repair, AC & heat pump service across Durham Region - Oshawa, Whitby, Ajax, Courtice & more. Call 905-924-3657.
Air ConditioningIndexed under heat pump repair out of Oshawa. Its own page headings name heat pump work.
Air ConditioningAppears here for heat pump repair in Oshawa. The term "heat pump" appears in its own page headings.
Air Conditioning
Heat Pump InstallationIn its own words, from its website: Local HVAC near you in Durham Region: furnace, AC, heat pump & water heater service from Fortis Heating & Air Conditioning. Call for same-day help.
Air Conditioning
Heat Pump RepairIn its own words, from its website: Elmridge Air Comfort - Your trusted partner for furnace, air conditioner, and water heater installation and repair in Oshawa.
Air Conditioning
Air Conditioning
The remaining 8 air conditioning companies in Oshawa
HeatPumpIndex lists 20 air conditioning companies serving Oshawa, averaging 4.87★ on Google across 3,372 reviews. The current top-ranked pick is Cassar Heating & Air Conditioning at 5★ from 56 reviews.
Who are the best ductless mini split installers in Oshawa?
- Ductless Mini Splits
In its own words, from its website: Professional HVAC services across Durham Region. Furnace installation, air conditioning, heat pumps, hot water tanks and more. Call David at (416) 508-4585.
- Ductless Mini Splits
In its own words, from its website: Joe's Heating serves Durham & Northumberland with HVAC installation, repair, and 24/7 emergency service. Family-owned since 1973. Call (905) 434-6788.
Heat Pump Installation
Ductless Mini SplitsIn its own words, from its website: Furnace and A/C problems? Trusted.
- Air Conditioning
In its own words, from its website: Trusted HVAC services in Whitby & Durham Region. Furnace repair, AC installation, heat pumps & more. Call 905-493-4227.
Heat Pump RepairCarried on this directory for heat pump repair, heat pump installation and ductless mini split work from a base in Oshawa. Their own website names heat pump work, and the company appears on Ontario's Home Renovation Savings register.
Heat Pump InstallationCovers heat pump installation, ductless mini split work and heat pump repair from a base in Oshawa. The company appears on Ontario's Home Renovation Savings register.
Ductless Mini SplitsIn its own words, from its website: Trusted HVAC services in the GTA with transparent pricing, and a community focus. We provide quick and reliable heating, cooling, and ventilation solutions.
Ductless Mini SplitsIn its own words, from its website: For over 20 years, we've been Heating and Cooling Durham Region.
- Heat Pump Installation
In its own words, from its website: Local HVAC near you in Durham Region: furnace, AC, heat pump & water heater service from Fortis Heating & Air Conditioning. Call for same-day help.
Ductless Mini Splits
Heat Pump InstallationIn its own words, from its website: Professional Heating & Cooling / Sheet Metal Services in Durham Region. Active Climate Mechanical is Your Local, Dependable HVAC Contractor!
The remaining 4 ductless mini split installers in Oshawa
HeatPumpIndex lists 16 ductless mini split installers serving Oshawa, averaging 4.88★ on Google across 20,342 reviews. The current top-ranked pick is Cassar Heating & Air Conditioning at 5★ from 56 reviews.
Who are the best heat pump installers in Oshawa?
- Ductless Mini Splits
In its own words, from its website: Professional HVAC services across Durham Region. Furnace installation, air conditioning, heat pumps, hot water tanks and more. Call David at (416) 508-4585.
- Heat Pump Installation
- Ductless Mini Splits
In its own words, from its website: Furnace and A/C problems? Trusted.
- Air Conditioning
In its own words, from its website: Trusted HVAC services in Whitby & Durham Region. Furnace repair, AC installation, heat pumps & more. Call 905-493-4227.
- Heat Pump Repair
Carried on this directory for heat pump repair, heat pump installation and ductless mini split work from a base in Oshawa. Their own website names heat pump work, and the company appears on Ontario's Home Renovation Savings register.
- Heat Pump Installation
Covers heat pump installation, ductless mini split work and heat pump repair from a base in Oshawa. The company appears on Ontario's Home Renovation Savings register.
- Ductless Mini Splits
In its own words, from its website: For over 20 years, we've been Heating and Cooling Durham Region.
- Heat Pump Installation
In its own words, from its website: Local HVAC near you in Durham Region: furnace, AC, heat pump & water heater service from Fortis Heating & Air Conditioning. Call for same-day help.
- Ductless Mini Splits
- Heat Pump Installation
In its own words, from its website: Professional Heating & Cooling / Sheet Metal Services in Durham Region. Active Climate Mechanical is Your Local, Dependable HVAC Contractor!
Heat Pump InstallationIndexed under heat pump installation and geothermal heat pump work out of Oshawa. The term "geothermal heat pump" appears in its own website copy.
- SAir Conditioning
Indexed under heat pump installation out of Oshawa. Its own page headings name heat pump work.
The remaining 1 heat pump installer in Oshawa
HeatPumpIndex lists 13 heat pump installers serving Oshawa, averaging 4.85★ on Google across 19,418 reviews. The current top-ranked pick is Cassar Heating & Air Conditioning at 5★ from 56 reviews.
Who are the best heat pump repair companies in Oshawa?
- Ductless Mini Splits
In its own words, from its website: Joe's Heating serves Durham & Northumberland with HVAC installation, repair, and 24/7 emergency service. Family-owned since 1973. Call (905) 434-6788.
- Heat Pump Installation
- Heat Pump Repair
Carried on this directory for heat pump repair, heat pump installation and ductless mini split work from a base in Oshawa. Their own website names heat pump work, and the company appears on Ontario's Home Renovation Savings register.
- Heat Pump Installation
Covers heat pump installation, ductless mini split work and heat pump repair from a base in Oshawa. The company appears on Ontario's Home Renovation Savings register.
- Air Conditioning
Indexed under heat pump repair out of Oshawa. Its own page headings name heat pump work.
- Air Conditioning
Appears here for heat pump repair in Oshawa. The term "heat pump" appears in its own page headings.
- Heat Pump Repair
In its own words, from its website: Elmridge Air Comfort - Your trusted partner for furnace, air conditioner, and water heater installation and repair in Oshawa.
Ductless Mini SplitsIn its own words, from its website: Energy-efficient heating and cooling services in Oshawa and GTA. Furnace, boilers, AC, heat pumps, and indoor air solutions with expert installation.
Heat Pump RepairIn its own words, from its website: Same-day furnace repair and A/C service in Oshawa, Whitby & Ajax. Call (905) 555-0199.
Heat Pump RepairIn its own words, from its website: Pure Mechanical Inc. offers industry leading commercial and industrial HVAC services in Durham Region and across the GTA, including Oshawa, Whitby, and more.
Heat Pump Repair
HeatPumpIndex lists 11 heat pump repair companies serving Oshawa, averaging 4.87★ on Google across 19,431 reviews. The current top-ranked pick is Joe's Heating and Air Conditioning at 4.9★ from 845 reviews.
Who are the best geothermal heat pump installers in Oshawa?
- Heat Pump Installation
Indexed under heat pump installation and geothermal heat pump work out of Oshawa. The term "geothermal heat pump" appears in its own website copy.
HeatPumpIndex lists 1 geothermal heat pump installer serving Oshawa, averaging 4.9★ on Google across 54 reviews. The current top-ranked pick is Superior Plumbing & Heating of Oshawa at 4.9★ from 54 reviews.
Who are the best heat pump water heater installers in Oshawa?
- Ductless Mini Splits
In its own words, from its website: For over 20 years, we've been Heating and Cooling Durham Region.
HeatPumpIndex lists 1 heat pump water heater installer serving Oshawa, averaging 4.9★ on Google across 590 reviews. The current top-ranked pick is Ashton Heating & Cooling at 4.9★ from 590 reviews.
How do heat pump services compare across Oshawa?
A summary of every heat pump service category HeatPumpIndex tracks in Oshawa: how many companies are listed, their average Google rating, and the typical GTA price range for that service. Open a category below for the full ranked shortlist.
| Category | Listed pros | Avg Google rating | Typical price range |
|---|---|---|---|
| Air Conditioning | 20 | 4.87★ | $3,500–$8,500 per project (CAD) |
| Ductless Mini Splits | 16 | 4.88★ | $3,000–$4,500 per project (CAD) |
| Heat Pump Installation | 13 | 4.85★ | $5,000–$12,000 per project (CAD) |
| Heat Pump Repair | 11 | 4.87★ | $80–$150 per visit (CAD) |
| Geothermal Heat Pumps | 1 | 4.9★ | $20,000–$50,000 per project (CAD) |
| Heat Pump Water Heaters | 1 | 4.9★ | $5,800–$7,500 per project (CAD) |
Which nearby areas can I also compare?
Oshawa sits near several other Greater Toronto Area areas covered on HeatPumpIndex. If your project is close to a boundary, it is worth comparing pros in these neighbouring areas too.
Before you sign anything, read the questions to ask air conditioning companies.
Every heating and cooling business we list in Oshawa
- Active Climate Mechanical
- Aire One East | Whitby Furnace Repair, Heat Pump Installation & AC Services
- Ashton Heating & Cooling
- Boyle Energy Solutions
- Cassar Heating & Air Conditioning
- Climate Experts Heating & Cooling Inc.
- Comfy Life Heating & Cooling
- Cullen Heating and Air Conditioning Inc.
- Daly Home Comfort
- Elmridge Air Comfort
- Enercare
- Fortis Heating & Air Conditioning
- HTS Oshawa
- HVAC Now Oshawa
- Infiniti Home Comfort
- Joe's Heating and Air Conditioning
- KDM Gas
- LFZ Heating & Cooling
- Limcan Certified Heating and Air Conditioning
- Max Comfort Heating & Cooling
- Max Mechanical - Heating & Air Conditioning
- Mica Energy Solutions Inc.
- Modern Home Energy Inc. Residential/Commercial Heating & Cooling
- North Lake Mechanical
- Ontario Smart Heating & Cooling Inc
- Oshawa Furnace and A/C Repair
- Oshawa HVAC
- PC Mechanical Services
- Pure Mechanical Group Inc.
- Reher Air Ltd
- Reliance Heating, Air Conditioning & Plumbing
- Right Price HVAC
- Sentinel Heating & Cooling
- South Service Heating & Air Conditioning Inc.
- Stacks Heating and Air
- Superior HVAC Service
- Superior Plumbing & Heating of Oshawa
- Taunton Trades Ltd
- Tracey Home Comfort
- True North Home Comfort
What Oshawa homeowners ask before buying a heat pump
How many heat pump installers serve Oshawa?
- HeatPumpIndex's August 2026 dataset lists 40 heat pump and HVAC companies serving Oshawa, rated 4.8★ on Google as a group. Most of them, 20, sit under Air Conditioning. We recommend comparing at least three quotes before hiring.
Which heat pump service scores highest in Oshawa?
- Ductless Mini Splits companies in Oshawa average 4.9★ across 16 rated businesses, the highest of any category HeatPumpIndex tracks in this area. Ratings come from Google reviews, and HeatPumpIndex weighs review volume as well as stars.
What does air conditioning installation cost in Oshawa before the rebate?
- According to Imperial Heating (Toronto, 2026 guide), new air conditioner installed, toronto (all system types) runs $3,500 to $8,500 per project (CAD) across the GTA. Add 13% HST. See the air conditioning cost guide on HeatPumpIndex for the full breakdown of what changes the price in Oshawa.