Reliable Ontario HVAC services
Diamond Comfort Solutions provides reliable heating, cooling and custom HVAC services in Barrie and communities throughout Ontario.
Explore our primary HVAC service areas below. Don’t see your location listed? Contact Brett—he would be happy to discuss your project and determine how Diamond Comfort Solutions can help.
Comprehensive Gravenhurst HVAC Services
Clear, honest recommendations
Solutions for homes and cottages
Ontario HVAC Service Areas
Barrie is the primary service area for Diamond Comfort Solutions, but Brett provides HVAC services in communities throughout Simcoe County, Muskoka, York Region and beyond.
As an owner-operated HVAC company, Diamond Comfort Solutions provides personalized service and direct communication from the initial inquiry through to project completion. Brett works with heating systems, air conditioners, heat pumps, hydronics, pipe fitting and custom HVAC construction.
Whether you need equipment repaired, a new system installed or ductwork modified during a renovation, you are encouraged to reach out and discuss your project—even if your location is not specifically listed.
Contact Brett to check service availability in your area.
Brett Horner
Brett’s journey began as a teen at a summer camp in Northern Ontario, where he developed a passion for hands-on work learning how to use tools, build structures, and repair + maintain essential facilities around the site.
Driven by that passion, he pursued formal training in the skilled trades and attended Georgian College in Barrie to earn his HVAC certification. Over the years, he continued to expand his skills and experience by working across Ontario from Toronto to Muskoka, Oshawa to Niagara, and everywhere in between. He developing a strong reputation for quality workmanship, reliability, and attention to detail.
In 2025, he took the next step in his career by launching Diamond Comfort Solutions with the commitment to customer satisfaction on every project, helping homeowners and businesses with dependable, professional service.
Ontario HVAC Services
Not sure if we provide the service you need or cover your location? Contact Brett today! He’ll be happy to answer your questions, discuss your project, and determine how Diamond Comfort Solutions can help.
Heating
Heating-system installation, replacement and repair services to help keep Ontario homes and businesses warm and comfortable throughout the colder months.
Cooling
Dependable air-conditioning and heat-pump installation and repair services designed to provide efficient, comfortable cooling throughout the summer.
Custom Projects
Flexible HVAC solutions for renovations, retrofits and new construction, including equipment relocation, piping changes, ductwork modifications and other mechanical requirements.
Our Commitment to Excellence
At Diamond Comfort Solutions, the goal is to provide dependable HVAC services throughout our Ontario service areas, supported by quality workmanship, clear communication and practical recommendations.
Every customer, property and project has different requirements. Brett takes the time to understand your needs, evaluate the location and scope of the work, and explain whether Diamond Comfort Solutions can provide the right solution.
Whether your project involves a straightforward repair, new equipment or a custom renovation, your inquiry will receive thoughtful and honest consideration.
Why Choose Us
When you need heating and cooling services, choosing an HVAC contractor who provides honest answers can make the process much easier. Diamond Comfort Solutions focuses on dependable workmanship, personalized support and solutions tailored to each property.
As an owner-operated business, Diamond Comfort Solutions allows customers to communicate directly with the person assessing and completing their work. Brett provides straightforward information about the service, project requirements and location availability.
Whether you require heating, cooling, a heat pump, hydronics, pipe fitting or custom mechanical work, you are encouraged to get in touch.
Diamond Comfort Solutions is committed to providing a straightforward experience from your initial inquiry through to project completion. Brett carefully considers your equipment, property, location and project requirements before recommending the next steps.
While Barrie is the primary service area, Diamond Comfort Solutions remains open to projects in communities throughout Ontario. Availability may depend on the distance, timing and scope of the requested work.
Wherever your property is located, you can expect an honest response, clear communication and helpful information about whether Diamond Comfort Solutions can accommodate your project.
Comprehensive HVAC Solutions
Diamond Comfort Solutions provides flexible HVAC services for homes, businesses, cottages, renovations and custom projects throughout its Ontario service areas.
Furnace Repair & Installation
Air Conditioner Installation & Repair
Preventative Maintenance
Emergency HVAC Service
Pipe Fitting
Thermostat Installation
Heat Pump Services
Boiler Services
Hydronic Heating
Ventilation Solutions
Humidity Control Systems
Zoning Systems
Radiant Floor Heating
Commercial HVAC Services
System Upgrades & Replacements
Testimonials
Serving More Than Our Listed Locations
In addition to our featured locations, Diamond Comfort Solutions is open to discussing projects throughout:
- Simcoe County
- Muskoka
- York Region
- Collingwood and surrounding areas
- Toronto and the GTA
- Durham Region
- Niagara Region
- Other Ontario communities
Don’t see your location listed? Contact Brett with your city and a brief description of your project. He would be happy to answer your questions and determine whether Diamond Comfort Solutions can help.
Not Sure If We Serve Your Location?
Not sure if Diamond Comfort Solutions provides the service you need or travels to your community? Contact Brett today. He would be happy to answer your questions, discuss your project and determine how Diamond Comfort Solutions can help.
Include your location, the service you require and a short description of the project when submitting your inquiry.