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I recall reading about a high pressure mist water system that does not use steam.

We have had very good success with Trane Tracker/Vari-trac VVT systems with roof top units. Properley balanced, I have consistant zone temperature variations of less than one degree total on an eight zone system. The system allows remote or local programing of setpoint limits, airflow etc. Very...

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Mechya, I am a HVAC person in a hospital an have had the following experience. Two new air handlers in a non clinical area. These units have a over 30 UV tubes and a ballast for each. Tubes need to be replaced annually at $87 ea. Twenty ballasts are toast after three years. The Sterile-Aire...

I have installed many Burnham water and low press steam boilers with nipples and never had a leak. Although I know nothing about the gasketed boilers I would choose to have one.. Ken

I need new boiler feed pumps and am trying to choose between mechanical seals and stuffing box. Have recieved mixed opinions from vendors. Steam @ 100psi. Thanks Ken

Look at the circuit board and see if it has a j-5 terminal. If it does remove the jumper and reinstall on one pin only (open ckt). This will reduce ozone 20-25% and unit eff 7-10% Ken

I have oil cooled liquid ring pumps that incorporate a suction relief to prevent this problem. The pumps have a 10 min delay off and this sometime creates vacuum below setpoint which would result in noise. A very small amount of air enters this valve and it works well. If only I could keep the...

I ain't an engineer so this will be very basic and to the point. 400cfm/ton at.05 static for residential.Short runs of flex for sound attunuation only.There are many residential tin benders out there that do not have a clue.Bottom line ,you get what you pay for. Ken The HVCA tech