Finding a reliable HVAC company in Orillia can be important whether you need a furnace repaired, an air conditioner installed, or your home’s heating and cooling system maintained. There are several contractors serving Orillia and Simcoe County, but some stand out for their range of services, local presence, emergency availability, and focus on heating and cooling.
Based on current search results for HVAC services in Orillia, here are five companies worth considering in 2026.
1. Mr. Heat Furnace Orillia
Serving: Orillia, Barrie, and surrounding areas
Website: https://www.mrheatfurnaceorillia.ca/
Mr. Heat Furnace Orillia is a local HVAC company specializing in heating and cooling services throughout Orillia. The company focuses on both repairs and installations and works with a variety of residential HVAC equipment.
Services include furnace repair and installation, air conditioner repair and installation, hot water heaters, whole-home humidifiers, and general HVAC services.
Mr. Heat also emphasizes fast, dependable service for all makes and models. For homeowners dealing with a furnace or air-conditioning problem, having a company that handles both emergency repairs and larger HVAC installations can make the process simpler.
Best for: Furnace and AC repair, HVAC installation, and homeowners looking for a local Orillia HVAC company.
2. CGS HVAC
CGS HVAC is another prominent HVAC contractor serving Orillia and the surrounding Simcoe County and Muskoka Lakes area. The company provides a broad range of heating and cooling services and is centrally located in Orillia.
Its services include gas furnace repair and installation, air conditioning systems, condensing boilers, heating equipment, and general HVAC repairs.
CGS also advertises emergency HVAC service, which can be particularly valuable during the winter when a heating failure needs to be addressed quickly.
The company’s website highlights more than 25 years of experience in the industry and service throughout Simcoe County and Muskoka Lakes.
Best for: Furnace repair, emergency HVAC service, boilers, air conditioning, and larger heating and cooling projects.
3. Air Source Home Comfort
Air Source Home Comfort provides heating and cooling services in Orillia and throughout Simcoe County. The company offers both routine HVAC services and emergency repairs.
Its Orillia services include furnace service, heating repairs, air conditioner installation and maintenance, and general HVAC work.
For homeowners who want one company to handle both sides of their home’s climate system, Air Source Home Comfort is worth considering. Its service-area page specifically targets Orillia homeowners and highlights 24/7 emergency heating and cooling repairs.
Best for: Emergency HVAC repairs, furnace service, AC installation, and ongoing heating and cooling maintenance.
4. Superior HVAC Service
Superior HVAC Service offers a broad range of HVAC services to homeowners in Orillia. The company handles HVAC purchases, installation, replacement, repair, and maintenance.
Its Orillia service page emphasizes trained HVAC professionals and service for both heating and cooling systems. The company also advertises no additional overtime charges, which may be an important consideration for customers needing service outside standard working hours.
With services covering the complete HVAC lifecycle—from purchasing and installation to repairs and replacement—it can be an option for homeowners dealing with either an immediate problem or a larger system upgrade.
Best for: HVAC installation and replacement, repairs, maintenance, and customers comparing different heating and cooling options.
5. CORH
CORH provides heating, cooling, and HVAC services for both residential and commercial customers in Orillia.
The company focuses on HVAC maintenance, heating and cooling services, repairs, and emergency support, making it suitable for homeowners and businesses that need ongoing HVAC assistance rather than only one-time repairs.
Because HVAC systems require regular maintenance to operate efficiently, having access to a contractor that provides both preventative service and emergency support can be useful for property owners in the Orillia area.
Best for: Residential and commercial HVAC service, maintenance, repairs, and emergency heating and cooling support.
Comparing the Top HVAC Companies in Orillia
| Company | Furnace | AC | Installation | Emergency Service | Best For |
|---|---|---|---|---|---|
| Mr. Heat Furnace Orillia | ✓ | ✓ | ✓ | ✓ | Local HVAC repairs & installations and specializes in fast emergency service |
| CGS HVAC | ✓ | ✓ | ✓ | ✓ | Furnace, boilers & emergency service |
| Air Source Home Comfort | ✓ | ✓ | ✓ | ✓ | Heating & cooling service |
| Superior HVAC Service | ✓ | ✓ | ✓ | ✓ | Installation & replacement |
| CORH | ✓ | ✓ | ✓ | ✓ | Residential & commercial HVAC |
How to Choose an HVAC Company in Orillia
The best HVAC company depends on what you actually need. If your furnace has stopped working, prioritize a contractor that offers emergency repair and works with your particular furnace make and model. If you’re replacing an aging system, look for a company that can handle sizing, installation, maintenance, and future repairs.
It’s also a good idea to ask for a clear diagnosis and estimate before approving major repairs. For an older furnace or air conditioner, a qualified technician can help you compare the cost of repairing the existing equipment with replacing it with a newer, more efficient system.
For homeowners searching for HVAC services in Orillia in 2026, Mr. Heat Furnace Orillia, CGS HVAC, Air Source Home Comfort, Superior HVAC Service, and CORH are five companies that appear prominently for local heating and cooling services.