In Business Since: 2003
Here at Tim Brennan HVAC Service, we know the difference in AC, Heating and Air quality. An  air conditioner cleans, circulates, cools and dehumidifies (removes undesirable moisture from) indoor air. It includes the filter, the air handler and the evaporator coil . Air that travels across the evaporator coil gives up heat (the colder coil absorbs it) and humidity (moisture condenses upon contact with the cold surface of the coil).The cooler, drier air that continues through the air ducts is vented throughout your home to maintain your desired comfort level. Depending on the structure of your home, the ductwork may be above the ceiling or below the floor. The condensing unit: Outdoors, at the condensing unit, an air conditioner releases the heat that was captured indoors. In  the condensing coil, under high pressure, the refrigerant releases its heat very quickly, making the coil itself hot. A fan blows across the coil, cooling its temperature down and transferring the heat to the outside air. The furnace is the most important component of a central heating system. It houses all the working parts. . Furnace is part of a forced-air system. Warm air is forced, or blown, through a system of air ducts to each of the rooms in the office. Office air drawn into the furnace passes through a filter, where dust and other small particles are trapped. A blower unit blows the filtered air through the furnace, and the air absorbs heat/gas heat. If it is a gas furnace, the heat is supplied by the burning of natural gas. A mixture of gas and air flows into the burner and is ignited by the pilot. Combustion occurs, and warm air from the burner flame rises to fill a chamber known as a heat exchanger. The heat exchanger becomes hot. The by-products of combustion pass upward through a venting system and escape through a vent in the roof. If the furnace is electric, heat is generated by an electric heating element. Electric current traveling through the element creates heat. By the heat transfer processes called conduction and convection, heat is transferred into the air stream and flows through the air ducts into the rooms of the business. The thermostat: Whether you heat your office with gas or electricity, a wall thermostat will be installed. This measures room temperature and turns the central heating system off or on as the temperature rises or falls to designated levels.  There are many reasons, some of which were discovered only recently. They include invisible assassins like radon and CO2, as well as gas-emitting chemicals like formaldehyde used in making modern carpeting, drapery, household cleaners, furniture, and building materials. There are also common airborne pollutants such as pollen, viruses, dust and dust mites and damp areas where standing water can breed mold, mildew and other microbes. Much of this problem is attributed to the way modern homes are built, for purposes of energy efficiency, and to be as air-tight as possible. The consequence is that stale air, laced with odors, chemicals, irritants, even miniscule insects, often becomes trapped in modern homes, where it circulates over and over. This can lead to eye irritation, sinus congestion, sneezing, runny nose, stuffiness, colds, flu, headaches, dizziness, outbreaks of allergies and asthma, sore throats, and various other respiratory ailments. So serious and prevalent is this issue that environmentalists have coined a new term for it... IAQ or Indoor Air Quality: Today's homeowners need to become more aware of the importance of IAQ and what they can do about it. Call us and we'll be sure to take care of whatever HVAC needs you have. We do accept Visa and Mastercard.

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• Member of the Chamber of Commerce

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