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What does HVAC stand for?
While the Energy Center usually tries to avoid the use of acronyms, HVAC is in common use in the heating and cooling industry. It stands for "heating, ventilation and air conditioning," three functions often combined into one system in today's modern homes and buildings. Warmed or cooled or dehumidified air flows through a series of tubes - called ducts - to be distributed to all the rooms of your house. A central HVAC system is the most quiet and convenient way to cool an entire home.

Unless you live in an amazingly temperate climate, the HVAC system in your home uses more energy and drains more energy dollars than any other system in your home. Typically, 44 percent of your utility bill goes for heating and cooling.

Like many other appliances, HVAC systems have improved in energy efficiency in the last decade. As a result, you can save money and increase your comfort by properly maintaining and upgrading your HVAC equipment.

What air conditioner should I buy?
Lot of times people state they want an air conditioner under $1000 for a house that is 1500 sq ft. This is always the worst way to go about buying an air conditioner. Firstly you need to determine the right size Btu's for your room. Every room is different in many ways. Keys is to buy the right size, which is exmplained in our next article. Once you know your btu's for each room(s) you can choose the split system based on features, SEER and package deals. Depending on what your needs are, there are various different types of air conditioners, from various different brands. Hence once you have the required information, figuring out what air conditioner to get is the easy part.

What are central air conditioners?
The typical central air conditioning system is a split system, with an outdoor air conditioning, or "compressor bearing unit" and an indoor coil, which is usually installed on top of the furnace in the home.

Using electricity as its power source, the compressor pumps refrigerant through the system to gather heat and moisture from indoors and remove it from the home.

Heat and moisture are removed from the home when warm air from inside the home is blown over the cooled indoor coil. The heat in the air transfers to the coil, thereby "cooling" the air.

The heat that has transferred to the coil is then "pumped" to the exterior of the home, while the cooled air is pumped back inside, helping to maintain a comfortable indoor temperature.

Central air conditioning can also be provided through a package unit or a heat pump.

What are split air conditioners?
A split air conditioner consists of two main parts: the outdoor unit and the indoor unit. The outdoor unit is installed on or near the wall outside of the room or space that you wish to cool. The unit houses the compressor, condenser coil and the expansion coil or capillary tubing. The sleek-looking indoor unit contains the cooling coil, a long blower and an air filter.

A split air conditioner does not require major installation work because it does not require ductwork. Rather, the indoor and outdoor units are connected with a set of electrical wires and tubing. This is good for your wallet and the environment. The ductwork required for many traditional A/C units generally increases energy expenditures, as many centralized A/C units lose a lot of energy due to heat exchange in the air duct system. So, without a duct system, there is very little opportunity for heat or energy loss in a split air conditioner system.

Should i hire an hvac contractor for installation or repair of my air conditioner?
First of all, it is important to note that heaters and air conditioners, like all others types of electronic equipment, need to be maintained. Not maintaining the air conditioning and/or heating can result in inefficient energy usage, which will increase one’s electricity bill.

Furthermore, an HVAC company can make sure that no mistakes are made when fixing/installing an air conditioner or heater. Many homeowners who do not have experience in this field can easily break something and this can in some cases result in having to replace the entire heating or air conditioner unit. Having a company come out and handle complicated repair work can save a homeowner the hassle of having to shell out money to buy an entirely new air conditioner and/or heater.

Business owners will naturally want to get heating and/or cooling problems taken care of as soon as possible. Customers will not want to come to a shop that is too cold in the winter or boiling hot in the summer. Summer cooling problems can also result in certain products going bad and needing to be tossed out, which is naturally a significant loss for the business. Hiring a company that handles commercial HVAC repair can help a business owner get the problems taken care of in a timely manner so that it does not affect business. Furthermore, as was noted above, a business owner will also want to contract such a company to come on a regular basis to do air conditioning and heating unit maintenance.

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