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631-353-6960
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631-353-6960

Reliable Residential HVAC Services in Smithtown for Year-Round Comfort

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Residential HVAC

Trusted Residential HVAC Services in Smithtown

Since 1999, Temperature Control Systems has been the go-to provider for residential HVAC services in Smithtown and across Long Island. Whether your home is near the Smithtown Landing Country Club or nestled in a quiet neighborhood, we offer expert heating and cooling solutions tailored to your needs. Our team is committed to ensuring your home remains comfortable, energy-efficient, and safe throughout every season.

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Residential HVAC

Benefits of Residential HVAC Services in Smithtown

Your home deserves a reliable HVAC system that enhances comfort and efficiency. Here’s how our residential HVAC services can help:

  • Energy Efficiency: Lower utility bills with systems designed to optimize energy use.
  • Expert Repairs: Prompt solutions to heating or cooling issues for uninterrupted comfort.
  • Seasonal Maintenance: Prevent breakdowns and extend the lifespan of your HVAC system with regular servicing.
  • Professional Installations: Systems customized to meet the specific requirements of your home.


From central air conditioning to efficient heating systems, our residential HVAC services ensure your home is ready to handle any weather Smithtown has to offer.

Residential HVAC

Air conditioning
services include

  • Testing
  • Cleaning
  • Repair
temperature-and-pressure

Temperature and Pressure

efficiency-and-performance

Efficiency and Performance

safety-controls

Safety Controls

airflow

Airflow

condensate-system

Condensate System

refrigerant-levels

Refrigerant Levels

electrical-components

Electrical Components

mechanical-components

Mechanical Components

system-calibration

System Calibration

documentation

Documentation

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Air Filters

evaporator-and-condenser-coils

Evaporator and Condenser Coils

fan-blades-and-motors

Fan Blades and Motors

condensate-drain-lines

Condensate Drain Lines

ductwork

Ductwork

grilles-and-registers

Grilles and Registers

refrigerant-lines

Refrigerant Lines

outdoor-indoor-units

Outdoor & Indoor Units

thermostat

Thermostat

refrigerant-leaks

Refrigerant Leaks

compressor-issues

Compressor Issues

fan-motor-problems

Fan Motor Problems

thermostat-malfunctions

Thermostat Malfunctions

blower-motor-issues

Blower Motor Issues

capacitor-failures

Capacitor Failures

electrical-problems

Electrical Problems

condenser-coil-problems

Condenser Coil Problems

evaporator-coil-issues

Evaporator Coil Issues

expansion-valve-problems

Expansion Valve Problems

ductwork-issues

Ductwork Issues

heat-exchanger-problems

Heat Exchanger Problems

water-leaks

Water Leaks

control-board-issues

Control Board Issues

airflow-problems

Airflow Problems

Testimonials

Happy customer says
About temperature
control systems inc

I have used Temperature Control at my place of business and for personnel use for over 15 years. Very easy to deal with. Prompt service. Personality says so much about a business and Larry and Alex know how to treat there customers, with a smile and a "no problem we'll take care of it" type of attitude. Would and have recommended them to so many people over the years. Everyone has always been happy.
Steven B
Steven B.
Best AC service around! Alex was able to trouble shoot and repair an intermittent central AC problem at my home quickly and efficiently. He was knowledgable, prompt and professional. He got the part we needed quickly and had us up and running in no time! Highly recommended. Wouldn't use anyone else.
Christine M.
Christine M.
Extremely professional, knowledgeable staff , great pricing, there is nothing that they can’t fix, also, response time is fantastic, they are the only company I’d use!!!
Lucy R.
Lucy R.
this guy saved my life i woke up i thought i was in the amazon my house felt like 100* i called up he was there within the hour and fixed my ac for a reasonable price will deff use again
Antonio A.
Antonio A.
Very professional workers and reasonable prices. Did a great job and left no mess behind! Definitely recommend!
Ginger S.
Ginger S.
Couldn’t have called a better refrigeration company. Very professional and straight forward
Mikeyyy Z
Mikeyyy Z
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HVAC AND REFRIGERATION
FOR THE LONG ISLAND AREA

Get expert residential and commercial HVAC and refrigeration services from our team of knowledgeable professionals.

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We proudly provide service to residential and commercial customers throughout Long Island including Suffolk County and Nassau County.
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Temperature Control Systems

562 Elder Lane
Ronkonkoma, NY 11779

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