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If you're in the West Chester, Chester County PA area and need HVAC work done - I can't recommend DiBiase highly enough! They were, and are, expertly skilled at what they do, extraordinary communicators before/during/after the install, and a pleasure to work with. The team were all complete professionals. I have high expectations but they exceeded all of them!
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Knowledgeable and polite as always. All questions thoroughly answered. Excellent service provider that we will stick with.
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Kurt was very informtive on everything did not delay in his job a perfect gentleman
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Barry fixed the thermostat and carefully explained what had gone wrong with the outdoor temperature sensor.
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Our Spring service was today with Brian and it was another great experience with DiBiase Heating and Cooling. I really appreciate Brian showing up just as scheduled, explaining the service, and being respectful of our home. We are now set for the summer!
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Kurt did a great job servicing the HVAC unit. No issues. ALl done very well.
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Spoke with homeowners regarding the balancing issues. The master bedroom was getting too hot when the sensor was in another room on the 2nd floor and the other rooms would get too cold when the sensor was in the master bedroom. Controls are setup to work off of thermostat or sensor only and it is not set to averaging. They said averaging was not working for them. Reviewed ductwork and found dampers present on all 2nd floor branch runs. Some 1st floor runs had dampers but not all runs. Measured airflow to each supply register. Adjusted second floor dampers and cut back more in master bedroom but cut back entire second floor to move more air to first floor as first floor is 5 degf cooler than second floor and insulation was being added today. Measured airflows to each regiater again.
Reviewed piping that was leaking to determine origin of the leak. Leak was most likely caused by low temperatures in the kneewall area of the home which caused the leak. Need to cut out section of piping and replace section of piping and add insulation. Filling and purging of boiler are required. It would be best to insulate the roofline instead of insulating the floor and bring the kneewalls into the building envelope to prevent future issues.
Reviewed home to determine best location to install an erv. Reviewed Ryans concerns around installing an erv which were high co2 levels and stuffiness. Recommended iaq solutions including an air scrubber and he filter for furnace. There is currently a humidifier.
12/11/2025: Noel said the heater was not putting out any heat and airflow was weak. Removed covers and inspected components. Found both temperature limits tripped out. Airflow from unit was very weak. Checked blower rotation and found to be rotating in incorrect direction. Switched L2 and L3 leads and tested rotation. Reset limits and tested operation. There are 2 sections of unit that air is bypassed around heating elements. Need to contact manufacturer about this issue as one limit tripped again during testing. Relocated door magnet so unit will work off of thermostat only as this is how Noel would like to unit to operate. Hung new mars air curtain above main door. Ran new power wire through conduit down to lower level through drop ceiling to breaker panel. Installed new triple 50 breaker in panel. Made all high andnlow voltage connections to unit.
