Business Details
50+ Years
experience
Emergency
services
Open 24/7
always available
Trusted HVAC Services in Hazle Township Since 1972
Founded in 1972, S J Kowalski, Inc. has established itself as a trusted leader in heating, ventilation, air conditioning, and plumbing services for residential and light commercial clients. Our family-owned business combines decades of hands-on experience with factory-trained expertise in cutting-edge systems from industry leaders like Trane, Mitsubishi, and Navien. We prioritize preventative maintenance and 24/7 emergency service to ensure client comfort and system longevity.As the area's only Trane Comfort Specialist and Mitsubishi Diamond Contractor, we deliver high-efficiency solutions tailored to reduce energy costs while maintaining safety and reliability. Our commitment to community is reflected in our A+ BBB rating, local chamber membership, and customer-centric approach that emphasizes transparency, personalized service, and long-term relationships.
Services
Furnace Repair
Boiler Services
Heat Pump Installation
Plumbing
HVAC Maintenance
Details
- Year established: 1972
Highlights and features
- 50+ years of local HVAC expertise since 1972
- 24/7 emergency repair services available
- Factory-trained technicians for major brands
- Financing options through Wells Fargo Service Finance
- 100% satisfaction guarantee on all work
Associations and certifications
- Trane Comfort Specialist
- Mitsubishi Diamond Contractor
- Better Business Bureau A+ Rating
What people say
Prompt service
Professional technicians
Reliable solutions
24/7 availability
Energy savings
Services
Furnace Repair
Our certified technicians provide comprehensive furnace repair services for all makes and models, including Trane and Williamson systems. We address issues like ignition failures, airflow problems, and carbon monoxide leaks while ensuring safety and efficiency. Regular maintenance reduces breakdowns and extends system lifespan.
Boiler Services
Specializing in Navien boiler installations, repairs, and maintenance, we optimize heating performance for residential and commercial properties. Our services include pre-season checkups, emergency repairs, and radiant heating system design to improve comfort and energy efficiency.
Heat Pump Installation
We offer Trane heat pump installation and repair services for year-round temperature control. Our experts ensure proper sizing and installation to maximize energy savings while providing reliable heating and cooling performance for homes and businesses.
Plumbing
Our licensed plumbers handle water heater installations, pipe repairs, and whole-home plumbing solutions. We service traditional tank and tankless systems while addressing leaks, water quality, and pressure issues to maintain efficient household operations.
HVAC Maintenance
Preventative HVAC maintenance plans include comprehensive inspections, filter replacements, and system tune-ups. Our Comfort Club ensures optimal performance of heating and cooling equipment, reducing energy costs and emergency repair risks through regular professional care.
Questions
What HVAC services do you offer?
We provide furnace repair, boiler installation, heat pump services, plumbing, and 24/7 emergency HVAC support for residential and commercial clients.
Are you available for emergencies?
Yes, our team offers 24/7 emergency repair services for heating, cooling, and plumbing issues.
Do you offer financing options?
Yes, we partner with Wells Fargo Service Finance to provide flexible payment solutions for HVAC upgrades.
How often should HVAC systems be maintained?
We recommend biannual maintenance - once before heating season and once before cooling season.
What brands do you service?
We work with Trane, Mitsubishi, Navien, Rinnai, Honeywell, and Triangle Tube equipment.
Do you have a referral program?
Yes, our referral program offers $100 account credit for successful service referrals.
