National Comfort Institute
Home And Building
Indoor Comfort Center


Choose An NCI Certified Contractor

NCI is one of the leading suppliers of home comfort training. Through our copywrited methodology we guide HVAC contractors to diagnose and repair your home or office comfort problems. NCI has trained and certified over 6000 HVAC contractors across the United States. We strongly recommend you choose an NCI certified contractor to diagnose your home or office HVAC comfort related projects.


Home Owners and
Building Owners

Why You Can Trust An NCI-Certified Heating and Air Conditioning or Plumbing Contractor

Welcome to National Comfort Institute Online. On this site you will find information that will help you learn more about your home comfort system and the people who install and service heating and air conditioning systems.

We encourage you to stop and do some research to help insure your investment in your home comfort system gives you the maximum value, comfort, safety and energy efficiency.

True Home Comfort and Energy Efficiency
flowhood testingRather than just "quoting" new equipment, a National Comfort Institute-certified contractor will test your entire heating and air conditioning system with sophisticated test instruments, and offer the best solutions for your home comfort system

Unrivaled Service and Maintenance
Your equipment is only one component of your heating and air conditioning system. An NCI-certified service technician has the training and the tools to diagnose problems with your comfort system beyond just the indoor or outdoor equipment. He tests to make sure the "whole" system is working properly.

static pressure testingMeasured Performance
An NCI certified contractor has taken extensive training and has invested in the tools to make sure your comfort system is working as comfortably, efficiently and safely as possible. Some contractors may say they're doing these things, but unless they give you written reports with information about air flow, system pressures, temperatures, carbon monoxide and combustion efficiency, they're simply guessing that your existing or new system works properly.

Customized Comfort Solutions
An NCI Performance-Based Contractor™ will take the time to discuss comfort issues and concerns and design or redesign a comfort system to suit your specific lifestyle and needs.

TSI AnalyzerDocumented Results
By measuring and documenting your new system's performance after the installation an NCI Performance-Based Contractor™ makes sure it's fine tuned to make the most of your energy costs while delivering the best possible comfort level it can.

Unparalleled Safety and Peace of Mind
An NCI-Certified Carbon Monoxide/Combustion Analyst can test to make sure all combustion appliances including furnaces, boilers, water heaters, stoves, ovens, dryers, and fireplaces are operating as safely and efficiently as they can. He does this with the latest techniques and test instruments that leave nothing to chance.

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