Having the right size HVAC unit will maximize energy efficiency while keeping your Jefferson, Louisiana, home comfortable. Learn how professional HVAC contractors from Bryans United Air Conditioning take care to size equipment specifically for your home by carefully calculating heating and cooling loads. 

Why Our Professionals Calculate Heating and Cooling Loads

An undersized furnace or air conditioner can’t keep your home comfortable, while an oversized unit will short-cycle. Short-cycling happens when an HVAC unit stops and starts repeatedly, never reaching its maximum efficiency.

By contrast, a correctly sized HVAC unit keeps your home comfortable in extreme temperatures and runs smoothly, reaching its peak efficiency. In order to recommend the right size of air conditioner or heater, our professionals calculate your home’s heating and cooling load.

Calculations Start With Standards

Industry standards for calculating heating and cooling loads are found in the Air Conditioning Contractors of America Manual J. Using the calculations in Manual J, our technicians collect room-by-room measurements and note features particular to your home.

Calculating Heating Load

We correctly size a heating unit for your home using Manual J to determine your home’s heating load, the amount of heat needed to keep your home warm on the coldest night of the year.

Manual J calculations include factors such as the size of your rooms, the amount of furniture in each room, and your home’s layout. To account for heat loss, calculations include details about windows, doors, and vents, as well as measurements of your home’s insulation.

Calculating Cooling Load

To determine the right size cooling unit for your home, we also calculate your home’s cooling load — the amount of heat to remove from your home to keep it cool during an afternoon of the hottest month of the year.

An accurate cooling load calculation accounts for heat sources in your home such as people, pets, lighting, and appliances. This calculation also includes heat that enters your home through your windows, roof, and outdoor vents.

At Bryans United Air Conditioning, we use industry standards to help measure effective heating and cooling loads for your home. Call us at 504-208-2071 to help you properly size new HVAC equipment for your Jefferson home.

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