Stashluk Plumbing, Heating, Air Conditioning and Generators

Founded in 1948, Stashluk Plumbing, Heating, Air Conditioning and Generators has maintained its headquarters in Summit, New Jersey for three-quarters of a century. The company holds 291 customer reviews with an impressive 4.7-star average, and operates around the clock every day of the week. Serving Summit and surrounding New Jersey communities, the contractor handles both residential and commercial projects across plumbing, heating, cooling, and generator services.

What distinguishes Stashluk from typical HVAC contractors is their dual expertise in generators and indoor comfort systems. The company maintains a Select Generac certification, enabling them to install, repair, and perform annual inspections on home backup generators. Their service portfolio spans from traditional furnace and boiler work to modern ductless mini-split installations and tankless water heaters, giving homeowners a single trusted provider for nearly every house system.

Customer reviews repeatedly name technician Francisco, who resolved a same-day heating emergency on a Sunday by diagnosing a faulty thermostat and installing the homeowners' own smart thermostats at no extra labor cost. Another reviewer, Greg, quickly identified and repaired a furnace issue when a house had no heat during cold weather. The company also maintains a generator maintenance plan that reviewers describe as efficient and reasonably priced, with thorough annual inspections performed by knowledgeable technicians.