Business Details
50+ Years
experience
Trusted HVAC Equipment & Supplies in New Jersey
Since 1919, Dunphey Smith has been committed to delivering quality HVAC products and exceptional service to customers across New Jersey. Our Union location, established over a century ago, and our Manasquan branch, serving the Jersey Shore since 1973, reflect our dedication to providing reliable heating, cooling, and ventilation solutions. We partner with clients to offer trusted brand names and support their long-term success through expert guidance and premium equipment.Our mission remains unchanged: supplying durable products that save time and money while maintaining unsurpassed personal service. With two strategically located facilities, we ensure convenient access to HVACR equipment, thermostats, indoor air quality systems, and general supplies tailored to residential and commercial needs.
Services
HVAC Equipment
Air Distribution
Thermostats
Indoor Air Quality
General Supplies
Condensate Pumps
Duct Insulation
Fire Dampers
Mini Split Systems
Ventilation Products
Details
- Year established: 1919
Highlights and features
- Over 100 years of excellence in HVAC supply
- Partnership approach with customers
- Offering top brand names in heating and cooling
- Two convenient New Jersey locations
- Weekend hours for customer convenience
Services
HVAC Equipment
We distribute comprehensive HVAC systems including furnaces, air conditioners, and heat pumps from leading manufacturers. Our inventory supports residential and commercial applications with energy-efficient solutions. Products undergo rigorous quality checks to ensure long-term reliability and performance.
Indoor Air Quality
Our IAQ solutions feature advanced air cleaners, humidifiers, and ventilation systems to improve building air quality. We offer products from trusted brands like Trion and RGF Environmental. Solutions address allergens, humidity control, and ventilation requirements for healthier environments.
Condensate Pumps
We supply reliable condensate removal systems including Little Giant pumps for residential and commercial HVAC applications. Products include primary and emergency pump systems with alarm features. Our inventory ensures proper drainage solutions for various installation scenarios.
Duct Insulation
Our duct insulation products include fiberglass liners and wrap solutions from Certainteed and Knauf. These materials improve energy efficiency while meeting fire safety standards. We provide technical guidance for proper installation and code compliance.
Fire Dampers
We offer fire damper solutions including models from Aire Technologies and Lloyd Industries. Our products meet critical safety codes for commercial buildings. Technical support ensures proper selection and installation for fire-rated wall and floor applications.
Questions
How long has Dunphey-Smith Supply been in business?
Our Union location has served customers since 1919, with the Manasquan branch opening in 1973. We celebrate over 100 years of HVAC industry experience.
What HVAC product brands do you carry?
We stock products from leading manufacturers including Honeywell, Lennox, Noritz, Ecobee, and Trion. Our inventory covers heating, cooling, ventilation, and IAQ systems.
Do you have weekend business hours?
Yes, our Union location is open Saturday mornings from 7:00 AM to 10:00 AM for customer convenience.
What areas do you serve?
We primarily serve New Jersey customers with two locations in Union and Manasquan. Our distribution network supports both residential and commercial projects statewide.
Do you offer technical support for product installations?
Yes, our experienced team provides technical guidance for proper product selection, installation, and code compliance across all our HVAC equipment lines.
