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WHAT'S NEW

Reliable Controls

NCH is now a Reliable Controls Authorized Dealer

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of the Iceberg

Leaving town? Shut off the water.

If you plan on being away for a few days, turn off the water supply to the house. This will…

Our PROJECTS

Commercial Rooftop Unit

Lennox Commecial Rooftop Unit

Commercial Rooftop Unit

Frequently Asked QUESTIONS

FAQ

How often do I change my furnace filter?

Standard 1" filters should be changed on average every three months. High capacity 5" filters should be checked after the first 6 months and changed within the year

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Controls

Commercial and Residential grade Thermostats:

  • Lennox
  • Honeywell
  • Nest

Sales & installation

Direct Digital Controls:

  • Reliable Controls Authorized Dealer
  • Siemens Talon VAP

Sales, design, installation, programming, service, preventative maintenance, retrofits

Electric Controls:

  • Tekmar
  • Honeywell
  • Johnson Controls
  • Timers & Relays

Sales, installation, service, retrofits, repairs

HVAC Pneumatics:

  • Retrofits for HVAC pnuematic systems
  • Hybrid DDC/Pnuematic systems

Parts sales, system service, calibrations, retrofits, repairs

Gas Detection:

  • Vulcain (Honeywell)
  • Critical Environmental Technologies (CET)
  • Quatrosense Environmental Ltd. (QEL)
  • Automation Components Inc (ACI)

Parts sales, service, repairs and annual calibration (CO, CO2, NOx, combustibles, etc.)

iHarmony Zoning System

iHarmony Zoning System

The iHarmony® zoning system allows you to change the temperature throughout the house, or change it in specific areas, with just a few taps of the thermostat or even your phone.