United Supply

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About United Supply
United Supply operates as a trade-only HVAC supply house in North Plainfield, New Jersey, serving contractors across the region with heating and cooling equipment, parts, and accessories. The location holds a 4.0-star rating from 14 customer reviews, with operating hours Monday through Friday from 7:30 AM to 5 PM. As a distributor, United Supply focuses on providing professional HVAC technicians with the components needed for installations, repairs, and maintenance work.
The company stocks a comprehensive selection of HVAC equipment ranging from 13 SEER2 to 19 SEER2 air conditioning units, including heat pump condensers, air handlers, and furnaces in single-stage, two-stage, and modulating configurations. Their inventory extends to mini-split systems, zone dampers, water heaters including tankless options, and various HVAC accessories such as condenser pads, covers, sound blankets, and refrigerant products. This breadth of inventory allows contractors to source multiple product categories from a single supplier.
Customer reviews highlight varying experiences at this location. One reviewer, J, praised Madeline at the North Plainfield branch for resolving an issue with patience and creating a fantastic solution, describing the customer service as exceptional. Tony Huggins recounted being initially transferred because he was not a licensed plumber, but after contacting management about his dire circumstances with no heat, a team member went out of his way to locate the needed gas furnace part. Other reviewers, including David Blackwood and Jennifer Vogel, specifically mentioned the staff treating customers like family and being knowledgeable and professional to work with.
What Customers Say
Of 8 reviewers who left detailed feedback, 5 awarded 5-star ratings praising staff helpfulness and product knowledge. Three 1-star reviews cited rude interactions and poor customer service, with one contractor noting a 25-minute hold before being hung up on. Positive reviews frequently mention specific staff members like Madeline and management-level assistance, while negative reviews focus on frontline customer service attitude.
Working Hours
| SundayToday | Closed |
| Monday | 7:30 AM–5 PM |
| Tuesday | 7:30 AM–5 PM |
| Wednesday | 7:30 AM–5 PM |
| Thursday | 7:30 AM–5 PM |
| Friday | 7:30 AM–5 PM |
| Saturday | Closed |
Services
Air Conditioning Units
Residential and commercial AC units ranging from 13 SEER2 to 19 SEER2 efficiency ratings.
Furnaces
Furnace options including single-stage, two-stage, modulating, and oil-fired models.
Heat Pump Systems
Heat pump condensers available in multiple SEER2 ratings from 14 to 19.
Mini-Split Systems
Mini-split indoor and outdoor units for zoned heating and cooling applications.
Boilers
Boiler equipment for residential and commercial heating systems.
Air Handlers
Multi-position air handlers for flexible installation configurations.
Water Heaters
Water heaters including electric, gas, and tankless options.
HVAC Parts and Accessories
Supplies including condenser pads, covers, sound blankets, refrigerant, and related accessories.