Connor Air
Serving Your Air Conditioning and
Heating Needs Since 1976!

How does a central heating/cooling system work?

Central heating and central cooling systems are separate things but they are matched to work together.

Central Cooling
The most common central cooling system is a split system, which includes an outdoor cabinet containing a condenser coil and compressor, and an indoor evaporator coil, usually installed in conjunction with your furnace or air handler. The compressor pumps a chemical called refrigerant through the system.

How It Works
Once warm air inside your home blows across the indoor evaporator coil, its heat energy transfers to the refrigerant inside the coil. That transfer, in turn, "cools" the air. The refrigerant is pumped back to the compressor where the cycle begins again. The heat absorbed by the refrigerant is moved outside your home while cooled air is blown inside. Moisture that contributes to humidity is also condensed out of the air.

Your cooling system is usually combined with your central heating system because they share the same ductwork for distributing conditioned air throughout your home.

Central Heating
Central heating systems have a primary heating appliance, such as a furnace, typically located in your basement or garage. All furnaces consist of four main components: 1) burners that deliver and burn fuel, 2) heat exchangers, 3) a blower and 4) a flue that acts as an exhaust for gaseous by-products. Depending on your situation, region and needs, you can choose from heating systems running on either gas or oil as fuel, or a hybrid packaged system that can use both fuel types.

How It Works
Combustion gases are generated by the burners in your furnace and passed through a heat exchanger. Air from your home blows across the heat exchanger to be warmed. It is then blown through a system of ducts to distribute around your home. During warm seasons your heating system works with your central air conditioning. Air is cooled as it's blown over your air conditioning unit's cooling coil, often attached to the air circulating fan of the furnace, and then sent through the same air ducts throughout your home.


I am very satisfied with Connor Air's installation of a brand new Trane's HVAC system in my condo. Jarred, the person who provided the quote, was extremely knowledgeable. Both he and Mary, who worked in the office, were very pleasant/patient/prompt in answering all of my questions. The gentleman who came to install the system, who I was told to be the lead foreman, was very thorough and helpful. Not only he did a fantastic job in the installation, he also took his time to walk me though in great detail the components in the attic and the maintenance that the system requires. I got a total of 5 quotes from 5 different companies. Their quote was the most clear and well-written (which eliminated many of my follow-up questions). Jarred provided options that allowed maximum energy saving with a clear breakdown of the model numbers used in each configuration so there was no doubt as to what I was getting, since I could verify them on the manufacturer's website. Their pricing was reasonable as well compared to the competitors. Unlike other companies, they don't use gimmicks to lure you in (such as "if you sign up now, you'll get 10% off") so I really appreciated that. It has been 2 full months since I've been running the system and I was amazed at how low my electricity bills have been, given that I had it on almost 24/7 during those hot summer days. Overall, the experience was smooth. I felt that I was dealing with an honest company who does good work.
- Monrovia, CA | HVAC Installation
 
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5 / 5 stars


Trane

Trane
We proudly provide heating, cooling & air conditioning products, HVAC service, installation, maintenance and repair to the following cities:
Altadena, Arcadia, Azusa, Baldwin Park, Bradbury, Burbank, City of Commerce, City of Industry, Claremont, Covina, Duarte, El Monte, Flintridge, Glendale, Glendora, Hacienda Heights, Irwindale, La Canada, La Crescenta, La Habra, La Puente, La Verne, Los Angeles, Monrovia, Montebello, Monterey Park, Pasadena, Pico Rivera, Pomona, Rosemead, San Dimas, San Gabriel Valley, San Gabriel, San Marino, Sierra Madre, South El Monte, South Pasadena, Temple City, West Covina, Whittier
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