Our expertise, customer-focused approach, and high-quality solutions have earned us
the trust of industries across the HVAC and fuel storage sectors.









State-of-the-art equipment.
We comply with the strictest regulations.
From installation to maintenance.
Adapted to each industry and need.

More than 30 years offering efficient and reliable systems for the HVAC and Fuel Oil industry. From design to installation and maintenance, we are your strategic partner.
John C. Digertt, Inc. offers:
Manufacturer’s Representation: Representing top manufacturers of pumps, mixers, seals, and process equipment. Learn more on our Manufacturers page.
Custom Metal Fabrication: Services include Water Jet Cutting, Metal Rolling and Forming, and Flanged and Dished Tank Heads using stainless steel, aluminum, and carbon steel.
Pump & Rotating Equipment Repair: Repair of pumps, gearboxes, and blowers both in-shop and on-site.
Inspection Services: Visual and dimensional inspections, remote camera surveys, and 3D modeling for pipelines, tanks, and tunnels. Details available on our Inspection Services page.
Critical Services: Hot Tapping, Leak Detection, Pipeline Flushing, Pipeline Purging and Drying, as well as 24/7 emergency support. Explore our Critical Services offerings.
Fuel Handling & Storage: Fuel Storage Tanks, Fuel Tank Inspection Services, Fuel System Services, Fuel Transfer Pumps and Polishers, Fuel Polishing, Fuel Tank Rentals, and Double Containment Piping Systems.
District Energy Solutions: High-temp and low-temp district energy systems, including Manholes, Manhole Inspection, Carbon Neutral and Green DHC Solutions.
Perma-Pipe
Vexve (Vexve Armatury Group)
PermAlert
Triple Point Labs
Containment Solutions
ConVault
Veeder-Root
Pneumercator
Mass Tank
OmegaFlex
Highland Tank
Modern Welding
EagleHawk
Our capabilities include:
Cutting: Water Jet Cutting for precise and efficient cuts.
Forming: Metal Rolling and Forming Services for both light and heavy metals.
Tank Heads: Flanged and Dished Tank Heads in various materials.
Welding: MIG, TIG, Stick, and Flux Core processes. Materials: Carbon steel, stainless steel, and aluminum.
Explore more on our Metal Fabrication page.
Yes, We offer:
Visual inspections
Dimensional inspections, Internal inspections with remote-controlled cameras
3D pipeline and tank modeling
Details are available on our Inspection Services page.
Yes. Our critical services include:
Hot Tapping (modifications without service interruption)
Leak Detection and Pressure Testing
Pipeline Flushing and Chemical Cleaning
Pipeline Purging and Drying
We are available 24/7 for emergency response. Learn more on our Critical Services page.