Kitchener-Waterloo & the GTA — commercial & institutional
Mechanical insulation, fabricated and installed
Removable jackets, jacketed piping, duct and HVAC insulation, weatherproofing and repairs — for general contractors, property managers and facilities teams.
What we bid and what we install
Seven offerings, taken from PFAFF's own description of its services.
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Mechanical insulation installation
Pipe, duct, vessel and equipment insulation for commercial and institutional mechanical systems.
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Removable insulation jackets
Custom-fabricated, strapped and re-usable covers for valves, flanges and vessel heads that have to be opened for service.
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HVAC insulation
Supply and return ductwork, plenums and air-handling equipment, including vapour-sealed and weatherproofed assemblies.
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Thermal analysis
Thickness and material selection worked against the operating conditions of the system rather than a default specification.
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Moisture and condensation control
Vapour retarders and sealed systems on chilled and below-ambient lines, where a failure shows up as corrosion rather than heat loss.
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Energy audits
Survey of uninsulated and failed insulation on existing plant, with the heat loss quantified.
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Maintenance and repairs
Replacement of damaged, stripped or water-logged insulation and jacketing on systems already in service.
Fabricated in the shop, installed on site
Photographs of PFAFF's own work, captioned by the scope they show.
Affiliations and certifications
The memberships and registrations a general contractor screens on.
ISN Networld
Heat & Frost Insulators
Mechanical Insulation Association of Ontario
Thermal Insulation Association of Canada
Grand Valley Construction Association
National Insulation Association
2023
Avetta Safety Star Award
Awarded to Pfaff Mechanical Insulation Inc. on 15 August 2023.
Materials we install
Based in Kitchener-Waterloo, working across the GTA
PFAFF is headquartered in Kitchener-Waterloo, serves the region directly, and carries work east into the Greater Toronto Area.
- Base
- Kitchener-Waterloo, Ontario
- Service area
- KW region + Greater Toronto Area
- Sectors
- Commercial · institutional · industrial
Tell us what the job is
Call for anything time-sensitive. For drawings, specifications or a scope to price, email is easier.
Request a quote- Phone
- 519-577-5051
- trevpfaff@gmail.com
- Hours
- Monday to Saturday, 9am – 5pm
Sunday closed




