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Claim This BusinessS. J. Kowalski HVAC has served Hazle Township and the greater Wilkes-Barre area since 1983, delivering heating and cooling solutions to homeowners across northeastern Pennsylvania. The company maintains an A+ rating with the Better Business Bureau and has accumulated 207 customer reviews averaging 4.6 stars, a testament to four decades of consistent service. Their team handles furnace and boiler installations, air conditioning replacement, heat pump systems, and ductless mini-splits for residential properties. Emergency service is available around the clock, every day of the week, ensuring residents never face prolonged periods without heating or cooling.
What distinguishes S. J. Kowalski from regional competitors is their in-house ability to handle complex geothermal system work, including removal of outdated ground-loop installations and integration with domestic hot water systems, a specialized capability rarely found in residential HVAC companies. They partner with Wells Fargo and Service Finance to offer flexible financing options, making replacement investments more accessible for homeowners. The company stocks HVAC filters for customer self-service and provides an online bill pay system for existing service agreement holders. Their showroom displays current equipment models, allowing homeowners to see systems before committing to installation.
4 of 5 sampled reviewers mention specific technician names, Nick Bruce, Ryan, Nate, and Jake, indicating a small, consistent team that customers recognize and request by name. 3 reviewers specifically cite emergency or urgent situation response, with one highlighting a same-day return visit to resolve a recurring issue.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Diagnosing malfunctioning furnaces, component repair, and full furnace installation with new equipment options.
AC tune-ups, refrigerant maintenance, repair diagnostics, and new air conditioner installation for residential cooling.
Installation and servicing of traditional and ductless mini-split heat pump systems for year-round climate control.
Ground-loop system installation, maintenance, removal of outdated systems, and domestic water integration services.
Boiler installation, repair, and maintenance for residential heating applications.
Water conditioning, tank and tankless water heater services, well pump work, and basic plumbing repairs.
Whole-house or zone-specific mini-split installations for custom climate zoning without ductwork.