By Otis 
Long Island’s weather doesn’t play fair — freezing winds in winter, heavy humidity in summer, and everything in between. That’s why your home’s comfort depends on having an HVAC system that performs no matter the season. For more than 25 years, Temperature Control Systems, Inc. has been the go-to team in Ronkonkoma for dependable heating, cooling, and refrigeration solutions. From quick repairs to complete system installations and yearly tune-ups, our technicians make sure your equipment runs smoothly, efficiently, and affordably all year round.
The Ronkonkoma HVAC Team Homeowners Rely On
Since 1999, we’ve completed over 6,000 projects across Suffolk County, serving both residential and commercial customers. Our reputation is built on reliability, professionalism, and precision. Every service call is handled by certified HVAC specialists who take pride in delivering top-quality workmanship and friendly customer service.
From tune-ups to total replacements, we bring the same attention to detail that has made us the go-to HVAC contractor in Ronkonkoma for decades.
Complete HVAC Services Under One Roof
At Temperature Control Systems, we offer a full range of services to keep your system running at its best:
- Air Conditioning Installation & Repair: Stay cool all summer with energy-efficient AC systems designed for Long Island homes.
- Heating Services: From furnace repairs to boiler maintenance, our heating experts ensure your system performs reliably even on the coldest days.
- Commercial Refrigeration: We specialize in walk-in coolers, freezers, and industrial refrigeration units for businesses that depend on precision cooling.
- 24/7 Emergency Service: HVAC issues don’t wait — and neither do we. Our technicians are on call day and night to get your system back up fast.
- Preventive Maintenance Plans: Regular maintenance prevents costly breakdowns and extends your equipment’s lifespan.
Experience, Integrity, and Local Expertise
As a locally owned and operated company, we understand what Long Island weather can do to your system. That’s why we customize every solution based on your home’s layout, insulation, and usage patterns.
Our mission is simple: to keep Ronkonkoma homes comfortable, efficient, and safe — all year long.
We’re not just technicians; we’re your neighbors, committed to improving your indoor comfort with the latest HVAC technology and honest service.
The Benefits of Choosing a Local Ronkonkoma HVAC Contractor
Choosing a local HVAC expert means choosing peace of mind. You’ll enjoy:
- Faster response times — especially during emergencies.
- Personalized service from a team that truly cares.
- Long-term reliability — we’ve served Ronkonkoma for over 25 years.
- Upfront pricing with no hidden surprises.
When you need help, we’re just a phone call away — not a corporate call center.
Get a Free Quote Today
If your system is struggling to keep up with the weather, or your energy bills are rising, it’s time to call the professionals at Temperature Control Systems, Inc.
We’ll inspect your system, identify the issue, and recommend the best solution — all backed by decades of experience and genuine local trust.