G R E E N T E C H

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Air balancing and TAB services in Ottawa — GreenTech Air Balancing technician measuring a diffuser

Independent testing and balancing, based in Ottawa

GreenTech Air Balancing is an independent HVAC Testing, Adjusting & Balancing (TAB) firm based in Kanata, Ottawa. We measure, adjust and document airflow and water flow in commercial, institutional and industrial buildings across the city — Kanata, Nepean, Barrhaven, Stittsville, Orléans, Gloucester, Vanier, the Glebe, Westboro and downtown — and in Eastern Ontario (Arnprior, Renfrew, Pembroke, Cornwall, Kingston, Brockville). Because we do not sell or install equipment, our reports are impartial, and they are written the way Ottawa consulting engineers and general contractors expect: measured vs design, percentage of design for every terminal, fan and pump, deficiencies and limitations.

Ottawa projects we have balanced include an Amazon distribution centre, the Rideau Centre, Carleton University, the University of Ottawa, La Cité College, a Walmart Supercentre and Ottawa International Airport terminal facilities. We work for mechanical and general contractors on new construction and tenant fit-outs (Division 23 05 93), for consulting engineers who need a third-party TAB report, for dental and medical clinics preparing an OHP inspection, for restaurants with kitchen hood and make-up air problems, and for property managers with comfort complaints in existing buildings.

Air & Water Balancing (TAB)
Supply, return and exhaust airflow in CFM and L/s, VAV and diffuser balancing, static pressure, fan data; hydronic balancing in GPM and L/s with balancing valves, pumps and coils. Detailed TAB report, English or French.
Clinic Ventilation (ACH), Kitchen Hoods, Duct Leakage
Room-by-room ACH and pressure relationships for Ottawa clinics (CSA Z317.2, OHP inspections), restaurant hood and make-up air balancing, SMACNA duct leakage testing and pre-readings before renovation.
Specialized Testing & IAQ
Fume hood testing (ASHRAE 110) for laboratories, building pressure and containment verification, indoor air quality measurements (CO2, ventilation rate, humidity, particulates).
Mechanical & General Contractors
Final TAB and closeout reports on new construction, renovations and fit-outs across Ottawa; pre-readings and duct leakage quoted as separate items so the scope stays clear.
Consulting Engineers & Building Owners
Third-party verification that systems deliver design airflow and water flow, with the data engineers need for commissioning, LEED documentation and troubleshooting.
Clinics, Restaurants & Property Managers
Ventilation reports for OHP inspections, kitchen exhaust and make-up air problems, hot and cold complaints, doors that slam, odours — measured and fixed with the mechanical contractor.
1. Send Us the Drawings or the Problem
Mechanical drawings and specifications, an equipment or room list, or simply a description of the symptom. We reply with a quotation, usually within one business day.
2. One Site Visit (Most Projects)
We measure and balance with calibrated instruments following AABC/NEBB procedures, coordinate adjustments with your contractor and note every deficiency.
3. A Report You Can Hand Over
Measured vs design values, % of design, fan and pump data, ACH where applicable, deficiencies and limitations — ready for the engineer, the inspector or the landlord.

Air balancing in Ottawa — frequently asked questions

All of Ottawa — Kanata, Nepean, Barrhaven, Stittsville, Orléans, Gloucester, Vanier, Westboro, the Glebe, downtown and the surrounding townships — plus Arnprior, Renfrew, Pembroke, Cornwall, Kingston and Brockville. We also serve Gatineau and the Outaouais in French.

Yes. GreenTech Air Balancing does not sell, install or repair HVAC equipment. We test, adjust and document; corrective work is performed by your mechanical contractor, which keeps our reports impartial.

Our reports follow AABC/NEBB TAB procedures and show measured vs design values with the percentage of design for every terminal, fan and pump, fan performance data, deficiencies and limitations. Send us the specification and we will confirm any project-specific requirement before quoting.

For most projects we can schedule within a few days, and urgent inspections or openings are accommodated whenever the schedule allows. Quotations are usually returned within one business day.

Yes — room-by-room airflow, air changes per hour and pressure relationships with reference to CSA Z317.2, in the format typically requested for Out-of-Hospital Premises inspections in Ontario.

Need air balancing in Ottawa?

Call (613) 263-7916 or send us the drawings — quotation usually within one business day. Based in Kanata, on site anywhere in Ottawa and Eastern Ontario.

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About GreenTech Air Balancing - Our Process and Expertise
How We Work

How To Work With
GreenTech Air Balancing

Professional HVAC Balancing Service 1
System Assessment & Technical Review

We begin with a detailed review of the HVAC systems to understand design intent, current operating conditions, and performance gaps. Our team evaluates airflow, waterflow, static pressure, and control sequences to establish an accurate baseline before any adjustments are made.

Professional HVAC Balancing Service 2
Precision Testing & Field Measurements

Using industry-standard TAB instruments, we perform precise field measurements across the entire system — diffusers, grilles, VAV boxes, terminal units, hydronic loops, and mechanical equipment. Each measurement follows recognized balancing procedures to ensure repeatable and reliable results.

Professional HVAC Balancing Service 3
Final Balancing, Compliance & Documentation

Once optimal performance is achieved, we compile a comprehensive report including measured data, compliance verification, system observations, and corrective recommendations. Our documentation is structured for engineers, consultants, and facility managers to support long-term building efficiency.