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Sounds like the thermostat is set to run the fan constantly.
If your unit is a 3.5 ton nominal cooling capacity (041 in the model number) it likely has a 1/2 to 3/4 hp blower motor. Running the...

What you are describing looks to me like a combination of high EWT and low flow.
A typical wshp setup runs about a 10-11 degree delta T on the water temperatures when in cooling.
Some people like...

Hi head pressure is caused by too warm a water loop or water flowing too slowly. (assuming all equipment is A OK) You should see a 10-12 degree temperature rise between heat exchnager entering and...

Looks to me as though you have a loop field capacity of MAYBE 30 tons. Soil type, antifreeze, pipe installation and all that will cause deviations.
Check water flow rate. 2-3 gpm per ton in cooling...

You describe the sound as being heard throughout the house.

Are you using flexible stainless steel braided hoses to connect water to the unit?
They help isolate vibration.
Is there a flexible...

I do believe you have a Skidmore.

I work for a company that makes WSHP units. We use copper to make our condensate drains because it is commonly available. I doubt anybody here ever considered copper does kill fungus. It is commonly...

The airflow created by the condenser fan motor is necessary to reject heat from the ac unit coil into the air.
The ratings chart show 'X' (meaning outside unit capability) at high ambient...

Is the condensate drain trapped? An omitted P trap could be the culprit

I tried to answer this but timed out due to there being so darned many things to say about ESP, TSP and design.
.5 ESP is a middle of the road number. A decent duct design and a fairly well matched...

Be careful what you ask for on this site.

Alot of valid responses.

I don't know it all but I do know what happens to coils and piping where there is too great a fluid velocity.

Somebody here...

You have dual fuel by virtue of the fact you have a heat pump working in conjunction with a gas furnace.

The vision pro 8000 is designed to enable user access on a limited level. The technician...

Get rid of the contaminated fiberglass insulation.
Re insulate after you implement a method to keep that crawlspace relatively dry.
The humidity has to be evacuated from the space to eliminate it....