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Senior woman saving energy by dressing warm and adjusting her thermostat.

Thermostat Troubleshooting

November 28, 2018

A thermostat is a heat-activated switch. It has an internal temperature sensor that causes a switch to open or close. This switch completes or disrupts the electrical circuit that runs your heating and cooling system. It gauges the temperature and depending on the season will turn your HVAC on or off to heat or cool…

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Close-up view of blue flames in gas boiler

How Does My Gas Furnace Work?

November 28, 2018

Gas furnaces create heat by burning natural gas. This gas is usually methane combined with other carbon based gasses. The Ignitor The process starts with the ignitor. The ignition source for older furnaces is a pilot light, newer furnaces use an electronic starter. With a pilot light, the regulator supplies a very small bit of…

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Environmental Systems Associates proudly provides HVAC service to Howard County. Visit our service area page for more coverage details, call us at 410-381-7991, or request service online today.