
Independent consulting services for HVAC Design & Testing

HRAI Certificates in:
- Residential Heat Loss and Duct Design
- Residential Ventilation Installation & Design
- Potable Water Heating System (Combo) Design
- Residential HVAC System Commissioning
- Small Commercial HVAC Design
Ontario Ministry of Housing Qualifications for:
- House
- HVAC House
- Small Buildings
- Building Services
Experince
Dara Bowser has more than 40 years experience in the Energy, Comfort, Environmental and Air Quality Aspects of buildings. During his career Dara has worked with Consulting Engineers, Mechanical Contractors, Manufacturers Ventilation equipment as well as Manufacturers of oil, gas and electric heating equipment.
Insurance
Bowser Technical Inc carries errors and omissions insurance.
Design
We provide complete analysis & design services for new and existing buildings:
-
- Heat Loss & Gain
- Duct Design
- Ventilation Design
- Piping Design (Hydronic/Infloor)
Testing and Inspection
- Code-Compliance Review
- Air-flow testing and balancing
- Combustion Spillage Testing
- Depressurization Testing
- Air-tightness testing (Blower Door/Infiltrometer)
- Data-logging of the most environmental parameters
HVAC System Blueprinting
Some Clients Include:
- Municipal Governments
- Energy Utilities
- Ontario Home Builders Association
- Insurance Companies
- Canada Mortgage & Housing
- Natural Resources Canada

If the existing HVAC system just isn’t working right & “seat of the pants” adjustments aren’t working, the solution may be HVAC System Blueprinting . This is a process which is designed to bring the existing system up to its best possible operating capability and involves:
- Calculating actual heating & cooling requirements for each room/zone.
- Measuring the actual airflow and heating/cooling delivery to each room/zone.
- Adjusting the system to deliver as closely as possible the correct amount of heating/cooling in each zone.
We Are Independent
It often seems that when it comes to HVAC systems, all of the “experts” are contractors, utility representatives, or manufacturer’s representatives. For smaller HVAC systems the services of a mechanical engineer may be costly.
At Bowser Technical, we are independent, that is to say; we do not sell or install anything except our services , nor do we receive commissions from anyone who does. We routinely work for owners, contractors, utilities, manufacturers, government and non-government agencies without conflict of interest.
Who can use our Services?
We assist Home & Building Owners with
- HVAC System Blueprinting
Mechanical Contractors & Builders use us for:
- heat-loss & gain calculations
- duct design
- ventilation design
- airflow testing & balancing

Municipal Inspection Department may use our services for code compliance review of proposed or existing systems.
We are members of:
- Brantford Home Builder’s Association
- Ontario Home Builder’s Association
- Heating Refrigeration and Air Conditioning Association of Canada
- Ontario Building Officials Association
- Association of Architechtural Technologists of Ontario
- Canadian Home Builders Association
- American Society of Heating, Refrigeration & Air Conditioning Engineers
- Canadian Standards Association
Please Note: | The scope of our practice is limited to Residential & Small Commercial (Ontario Building Code part 9) buildings. For other classes of buildings we will work in conjunction with an appropriately qualified Professional. |
Copyright @2021
Tel & Fax: (855) 756-9116
Email: office@bowsertech.com