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When replacing air conditioning is your only option, three factors should be considered. These are cost, capacity, and efficiency. Two costs are involved in replacing an air conditioning system. These are the actual cost of the unit itself and the price of commercial HVAC installation. Buying the unit direct can save costs and keep you within budget. Hiring a contractor for professional installation can also save you money. Obtaining price quotes on both equipment and installation can help you choose the best system and give you an idea of the price range for having air conditioning installed. A lower price may mean lower quality service. Use the contractor’s reputation along with price to make your decision.

A contractor can help you determine what size of air conditioner will work best for your home. Units that are too large cycle more often and have reduced efficiency. An air conditioner that is not large enough will not be able to cool your home on hot days. Contractors do a load calculation to determine this information. This calculation is based on house size, insulation, square footage, and other items. You may be able to determine this information yourself, but if there is any doubt, it is better to seek the advice of someone who has knowledge of commercial HVAC installation.

Efficiency is very important because an inefficient system will continue to cost money and not be effective in your home. The seasonal energy efficiency ration or SEER is used to measure the efficiency of a unit. More efficient units have a SEER rating of fourteen or higher. The energy efficiency ratio or EER may also be used for central air units. This ratio measures how much electricity is used for a specific amount of cooling. Of course a higher rating means the unit will be more effective. Consult with an expert for questions regarding these ratings and what capacity will best suit your home.