How big Does My AC Have To Be?

	Can Do
		Home Inspections Inc.
	3032 S. Paseo Loma Circle
	Mesa, AZ 85202-7951
	Voice or Fax 480-831-6237

Arizona Home Inspections By

Arizona State Certified Home Inspector #39760

Arizona Board of Technical Registration Firm #11968

How big Does My AC Have To Be?
Home Buyers Sellers Sample Report Pictures FAQs Email Us		Air conditioners are rated by the number of British Thermal Units (Btu) of heat they can remove per hour. Another common rating term for air conditioning size is the "ton," which is 12,000 Btu per hour. How big should your air conditioner be? The size of an air conditioner depends on: how large your home is and how many windows it has; how much shade is on your home's windows, walls, and roof; how much insulation is in your home's ceiling and walls; how much air leaks into your home from the outside; and how much heat the occupants and appliances in your home generate. An air conditioner's efficiency, performance, durability, and initial cost depend on matching its size to the above factors. Make sure you buy the correct size of air conditioner. Two groups—the Air Conditioning Contractors of America (ACCA) and the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE)—publish calculation procedures for sizing central air conditioners. Reputable air conditioning contractors will use one of these procedures, often performed with the aid of a computer, to size your new central air conditioner. Be aware that a large air conditioner will not provide the best cooling. Buying an oversized air conditioner penalizes you in the following ways. It costs more to buy a larger air conditioner than you need. The larger-than-necessary air conditioner cycles on and off more frequently, reducing its efficiency. Frequent cycling makes indoor temperatures fluctuate more and results in a less comfortable environment. Frequent cycling also inhibits moisture removal. In humid climates, removing moisture is essential for acceptable comfort. In addition, this cycling wears out the compressor and electrical parts more rapidly. A larger air conditioner uses more electricity and creates added demands on electrical generation and delivery systems.

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Understanding a Home Inspection is designed as a guide for consumers as well as home inspectors. Use of the guide should promote a better understanding of inspected systems and components while creating a consistency of inspection quality. It is not designed to teach inspection techniques, however, it can be useful in leading anyone through the inspection process.

Within this guide a home is divided into thirteen sections. Each section is then broken down into individual systems and components, 116 areas of inspection in all.

Each of the 116 listed areas of inspection contains a stand alone set of guidelines. When assembled together, these guidelines are the essentials that lay the foundation for home inspection.

Sample checklist home inspection report pages have been included. The design of the checklist report fits well with this guide of basic information.

Reading this guide will not make you a home inspector, but should give you a better understanding of home inspection.

Home Sellers and Home Buyers will use this guide in determining the condition of a home.

Home Inspectors will use this guide to achieve a better understanding of the essentials of home inspection.

You may use this guide as an aid in Understanding A Home Inspection

Interior layout and cover design by Florian Valentine Publishing

Who can do home inspections?

Can Do Home Inspections, AZ Home Inspectors performing AZ Home Inspections.