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Locally Owned & Operated Since 1985

All Work Is Guaranteed

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Emergency Service Available

Locally Owned & Operated Since 1985

All Work Is Guaranteed

Same-Day Estimates

Request Lorem Epsom

Hero Request Form

Sudden Service with a Smile!

Commercial HVAC Solutions
South Plainfield, NJ and Somerset County, NJ

Emergency Service Available

Locally Owned & Operated Since 1985

All Work Is Guaranteed

Same-Day Estimates

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Dependable Commercial Heating, Cooling, and Plumbing Services for Your Business

RupCoe Plumbing, Heating & Air Conditioning Inc has been delivering accurate HVAC and plumbing solutions to commercial properties since 1985. As a family-owned and locally-operated company serving Middlesex, Somerset, Hunterdon, Essex, Union, Morris, Mercer & Monmouth counties, we understand how important it is to maintain comfortable, functional environments for your business operations.


Our licensed, insured, and background-checked technicians arrive on time with fully stocked service vehicles, ensuring first-visit repairs whenever possible. We offer fixed-rate pricing with honest upfront quotes, 24/7 emergency service, and flexible financing options to keep your systems running smoothly. Ready to protect your commercial investment? Contact us to schedule service or learn about our Comfort Club Membership Program for priority scheduling and same-day service.

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$50 OFF

Any Plumbing Service

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.

RupCoe Plumbing, Heating & Air Conditioning Inc. logo with gray pipe and red text

$500 OFF

Any Complete Heating Replacement System

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.

RupCoe Plumbing, Heating & Air Conditioning Inc. logo with gray pipe and red text

$50 OFF

Any Heating Tune-Up

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.

RupCoe Plumbing, Heating & Air Conditioning Inc. logo with gray pipe and red text

$50 OFF

Any Drain Cleaning + Free Camera Inspection

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.

RupCoe Plumbing, Heating & Air Conditioning Inc has been delivering accurate HVAC and plumbing solutions to commercial properties since 1985. As a family-owned and locally-operated company serving Middlesex, Somerset, Hunterdon, Essex, Union, Morris, Mercer & Monmouth counties, we understand how important it is to maintain comfortable, functional environments for your business operations.


Our licensed, insured, and background-checked technicians arrive on time with fully stocked service vehicles, ensuring first-visit repairs whenever possible. We offer fixed-rate pricing with honest upfront quotes, 24/7 emergency service, and flexible financing options to keep your systems running smoothly. Ready to protect your commercial investment? Contact us to schedule service or learn about our Comfort Club Membership Program for priority scheduling and same-day service.

Three outdoor air-conditioning units on concrete pads against a brick wall

Why Choose RupCoe for Your Plumbing, Heating and 

Air Conditioning Service in South Plainfield, NJ

We stand behind every service call with licensed, insured, and background-checked technicians who arrive on time in fully stocked vehicles ready to complete repairs on the first visit. Our fixed-rate pricing means no surprises, and with 24/7 emergency service available, we're here when you need us most.

Over 40 Years in Business

Money-Saving Offers

Trustworthy and Honest


Privately Owned and Operated


We'll Beat Any Written Estimate


We Service Any Brand


Commercial AC Repair and Installation
Keep your business cool and productive with our comprehensive commercial air conditioning services serving Middlesex, Somerset, Hunterdon, Essex, Union, Morris, Mercer & Monmouth counties. From emergency repairs to complete system installations, our Trane Certified technicians deliver reliable cooling solutions backed by manufacturer warranties and over 41 years of industry experience.
Commercial Air Duct Cleaning and Repairs
Improve indoor air quality and system efficiency with professional air duct cleaning and repair services. Our technicians identify and resolve duct issues that can compromise comfort, increase energy costs, and affect employee health throughout your commercial facility.
Commercial Boiler Services
Count on our boiler installation and repair specialists to maintain consistent heating in your commercial space. We service all makes and models, providing fast response times and accurate diagnostics to minimize downtime and protect your business operations.
Commercial Burst Pipe Services
Water damage from burst pipes requires immediate attention to protect your property and minimize business interruption. Our 24/7 emergency service ensures rapid response, and we assist with insurance claims to make the restoration process as smooth as possible.
Commercial Furnace Repair and Installation
Maintain a warm, comfortable work environment with our furnace installation and repair services for commercial properties. Our technicians provide honest assessments and efficient solutions, backed by our guarantee on all work performed.
Commercial Heat Pump Services
Heat pumps offer efficient year-round climate control for commercial buildings. We install, repair, and maintain heat pump systems that deliver reliable heating and cooling while helping you save money on energy costs.
Commercial Heating Repair and Installation
Our comprehensive commercial heating services ensure your facility remains comfortable throughout the coldest months. From routine maintenance to complete system replacements, we provide solutions sized and designed specifically for your business needs.
Commercial Radiant Heating Repair
Radiant heating systems provide efficient, even warmth for commercial spaces. Our technicians have the specialized knowledge to diagnose and repair radiant heating issues, restoring comfort and efficiency to your facility.
Commercial Sewer and Drain Clog Clearing
Clogged drains and sewer lines can disrupt business operations and create unsanitary conditions. We provide fast, effective drain clearing services using professional equipment to restore proper flow and prevent recurring problems.
Commercial Water Heater Repair and Installation
Reliable hot water is essential for many commercial operations. As an authorized Rinnai dealer, we install and service water heaters of all types and sizes, ensuring your business has the hot water capacity it needs when it needs it.
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Here's what our satisfied customers are saying...

At RupCoe Plumbing, Heating & Air Conditioning Inc, we take pride in providing exceptional residential and commercial HVAC and plumbing services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of RupCoe Plumbing, Heating & Air Conditioning Inc and let others know what you think.

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