What we offer

HVAC Installation

JH Kelly installs traditional sheet metal HVAC systems that provide clean, conditioned air on a large scale to commercial owners in additon to VRF and Split System units.

HVAC Services:

  • Sheet metal duct work
  • VAV and air outlets
  • Duct insulation
  • Airside testing and balancing
  • Dampers
  • Fans & Fan Maintenance
  • Functional louvers
  • Custom HVAC sheet metal projects
  • Prefabricated duct systems


HVAC Installation:

With in-house engineering, JH Kelly acts as Prime Mechanical contractor to design, build and install:

  • Split and VRF systems
  • CRAC Data Cooling Systems
  • High, Medium, and Low Pressure rectangular, round and oval ducted systems
  • Grills, registers, diffusers and fans
What we offer

Sheet Metal Design

JH Kelly provides sheet metal design of fabricated square, oval and round ducted systems. Our facility footprint and new equipment can support large volume productions.

Sheet Metal Services:

  • Aluminum
  • Stainless steel
  • Black iron
  • Galvanized
  • Chutes / Guards / Hoods / Ducts / Panels
  • Custom fabrication
  • Flashing
  • Round and Rectangular fittings
  • Stands


Sheet Metal Installation:

We also have experience with special needs areas such as:

  • Separate duct systems for isolation rooms in hospitals or manufacturing areas
  • Heavy-duty exhaust for restaurant kitchens
  • Precision temperature control for computer rooms, food processing and semiconductor facilities
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HVAC Preventive / Maintenance Plans:

JH Kelly’s HVAC Service Group, Portland Mechanical Contractors, offer preventive maintenance agreements to ensure your equipment is properly maintained throughout the year. This minimizes equipment failure, lowers energy consumption, increases equipment life, and improves indoor air quality.

What we offer

  • Priority response time for maintenance contract customers
  • Assigned technicians
  • 24 hour / 365 days a year guaranteed service

Featured Projects

Over the years, clients and contractors have partnered with JH Kelly to solve their biggest challenges. Our portfolio is a reflection of our company, our integrity, and our commitment to delivering the optimal solution.

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