FAQs

Will my POE unit restrict water pressure?

Whole house conditioning systems will slightly restrict your water pressure, but not nearly enough to notice a change (3-5 psi max).

Where do water treatment systems go in my house?

There are two kinds of water systems. Point of Entry (POE) or whole house systems are piped directly to and from your pressure tank or entry of your water in your home. The systems can stand in the garage, mechanical room, closet, basement or laundry room. POE units footprints can be from 2 sq/ft to larger systems that need 10-12sq/ft. Point of Use (POU) or under sink systems are installed under sinks or cabinets and filter just one faucet in your home. Reverse Osmosis drinking water systems are the most popular form of POU units.

What is AFUE?

The annual fuel utilization efficiency or AFUE is a thermal efficiency measure of combustion equipment like furnaces, boilers, and water heaters. The AFUE differs from the true 'thermal efficiency' in that it is not a steady-state, peak measure of conversion efficiency, but instead attempts to represent the actual, season-long, average efficiency of that piece of equipment, including the operating transients.[1] It is a dimensionless ratio of useful energy output to energy input, expressed as a percentage. For example, a 90% AFUE for a gas furnace means it outputs 90 BTUs of useful heating for every 100 BTUs of natural gas input (where the rest may be wasted heat in the exhaust). A higher AFUE means higher efficiency.

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What is HSPF?

The efficiency of air conditioners is often rated by the HSPF as defined by the Air Conditioning, Heating, and Refrigeration. The higher the HSPF rating of a unit, the more energy efficient it is. HSPF is a ratio of BTU heat output over the heating season to watt-hours of electricity used. It has units of BTU/watt-hr.

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What is a Manual J?

Manual J is the name for a specific protocol (often called “Heat Load Calculation” or “Cooling Load Calculation“) used to determine how much heating/cooling a home needs to stay cool and dry in the summer and warm in the winter. This load calculation process was developed by engineers in the heating and air conditioning industry and has been used for decades to accurately size heating and air-conditioning equipment. After completing this load calculation process, one can choose a properly sized piece of machinery to satisfy the load.

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