PROVEN SOLUTIONS
FOR DISTRICT HEATING
cooling & fuel systems
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.
we've done one thing
Reliably in every job>
Our expertise, customer-focused approach, and high-quality solutions have earned us
the trust of industries across the HVAC and fuel storage sectors.






30+ YEARS OF
INDUSTRY LEADING
EXPERTISE.
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.
Comprehensive Heating,
Cooling & Fuel Storage Solutions

metal fabrication
- Water Jet Cutting
- langed and Dished Tank Heads
- Metal Rolling and Forming Services


critical services
- Hot Tapping
- Leak Detection
- Pipeline Flushing
- Pipeline Purging and Drying

Why Choose Digertt?
Our commitment to quality, safety, and efficiency ensures that every project meets the highest industry standards. From initial design to long-term maintenance, we provide end-to-end support to keep your operations running smoothly and efficiently.
SAFETY GUARANTEE
We comply with the strictest regulations.
PROVEN EFFICIENCY
State-of-the-art
equipment.
CUSTOMIZED SOLUTIONS
Adapted to each industry and need.
ONGOING SUPPORT
From installation to maintenance.
ABOUT THE INDUSTRY

Digertt Now Utilizes the RV-MAX 360 Inspection Camera for Superior Service
At John C. Digertt, Inc., we are committed to providing our clients with the most advanced and effective inspection services available. We are pleased to announce that we are now using the revolutionary RV-MAX..
July 19, 2024
The historic Yale Sterling Power Plant is undergoing a significant modernization project aimed at improving efficiency and ensuring long-term operation....
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The historic Yale Sterling Power Plant is undergoing a significant upgrade project to ensure continued efficiency, reliability, and sustainability in...
DO YOU HAVE ANY QUESTIONS?
common inquiries to help you better understand our
services, solutions, and processes.
What services does John C. Digertt, Inc. provide?
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, and 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.
Which manufacturers does the company represent?
John C. Digertt, Inc. represents:
Gorman-Rupp Pumps
Cornell Pump Company
Warren Rupp, Inc. (Sandpiper, Versamatic)
Pulsafeeder
Richter Chemie-Technik GmbH
Gorman-Rupp Industries (GRI)
Netzsch Pumps North America, LLC
Hayward Gordon
Sharpe Mixers
John Crane (Mechanical Seals)
For a full list, visit our Manufacturers page.
What types of metal fabrication services are available?
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.
Does John C. Digertt, Inc. provide inspection services?
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.
What are critical services, and does the company offer them?
Yes. Our critical services include:
Hot Tapping (modifications without service interruption)
Leak Detection and pressure testing
Pipeline Flushing and chemical cleaning
We are available 24/7 for emergency response. Learn more on our Critical Services page.
Where is John C. Digertt, Inc. located, and how can I contact them?
Address: 9 Commerce Circle, Durham, CT 06422
Phone: 860-349-0468
Fax: 860-349-1421
Email: digertt@gmail.com
Website: https://digertt.com
Contact Form: Available on the Request a Quote page
NEED EXPERT SOLUTIONS?
CONTACT US TODAY!
Whether you’re looking for district heating and cooling systems, reliable fuel
handling services, or custom metal fabrication, we’ve got the expertise you need.