520 Trestle Place
Downingtown, PA 19335
(610) 873-1244

Have any feedback for us? We'd love to hear it! Call us at (610) 595-9072 and let us know how we are doing.


Local Reviews
for exton, pa

Rated 4.9 out of 5 stars based on 66 customer reviews

Very nice guy!

He’s just one of the reasons why you have the reviews you do, which is why I chose you! Thank you too Jennifer!

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Amazing service

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After Install Check In

Chris Boas was professional and thoroughly checked the system and answered all my questions.

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Jose

Very professional

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Great Service!

DiBiase employs no one but the best! Scheduled with Jennifer and Angie and both are so nice and accommodating. Luis performed my service and Installed an air purification system. Explained everything, was here when promised and did a great job getting everything done efficiently. Really appreciate all of the DiBiase team for keeping us all up and running during this pandemic! And Thanks Luis for all your recommendations!

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Pleasant & Professional Installation of new HVAC

All questions answered in timely manner, great pricing and professional service. It was just an all around pleasant process for a job that we weren't looking forward to taking care of. We will recommend them to our friends and family.

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Professional Service

Thorough and very good experience

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Great Service

Great overall experience. Luis answered all my questions and made beneficial recommendations.

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Great service

Dave and team were great. Worked hard to complete the project with quality. They were on time-thorough - responsive-knowledgeable. Ac unit came with broken part from factory. That is disappointing.

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Great Service

Very thorough and professional

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Job Locations
for exton, pa

Luis T.

Luis T. Job Checkin

No ac, found indoor unit running but no outdoor found core sense tripped on four flashes check run capacitor and found open between hermetic and common replaced capacitor and test operation ok 410 pressures ok supply air 50 return air 70 cycle unit ok no charge under installation warranty 2 years


Luis T.

Luis T. Job Checkin

Performed precision ac tune up on Lennox ac. Replaced 16x20x1 air filter. Checked all electrical connections and components. Checked refrigerant pressures and temperatures at indoor and outdoor unit. System is working fine at time of visit. The system is a PSC motor.


Barry P.

Barry P. Job Checkin

AC Tune Up for 3 Ton Amana AC system. Completed maintenance Tune Up Form. Cycled cooling at thermostat; replaced filter; cleaned EZ trap and verified pump operation. 19F temperature split. 19° subcooling. System is operating well at the time of this tune up.


Brian B.

Brian B. Job Checkin

Performed cooling maintenance, replaced standard air filter. Blew out condensate trap and drain. Checked voltage, amperage and electrical connections, measured capacitor values. Started air conditioner, checked refrigerant charge and temperature drop across coil.


Chris B.

Chris B. Job Checkin

Performed quality assurance on Amana Inverter unit. Completed checklist form in system. Reviewed installation with homeowner. This did not pass the QA due to the Supply metal and the wiring.


David B.

David B. Job Checkin

Reclaimed and removed old heat pump and airhandler. Removed old copper lines. Installed a new amana airhandler on top of existing return box patch and modified to work with new unit. Ran new copper lines from indoor coil to the new amana heat pump. Brazed and leak checked with nitro and bubbles. Reused supply metal as to it was offset. Caulked all joints. Reran humidifier piping and redid wiring and drainage. Installed a new ez trap that is wired in to unit to break 24v. New heat pump has a new level pad with rocks underneath. Heat pump is on snow feet. New disconnect box and electric wiring to unit. Tested unit in all modes.


Kurt M.

Kurt M. Job Checkin

Installation of prestige IAQ WITH ROOM SENSOR removed zoning panel and three dampers, 6/16/21. Removed and patched all Ariel dampers. Pulled down supply register grills and secured dampers open at supply grills. Installed prestige thermostat with room sensor and wireless module. Cycled heat pump in cooling mode. System is working fine at time of install.


Brian B.

Brian B. Job Checkin

Performed cooling maintenance, checked air filter. Cleaned eztrap and drain. Checked voltage, amperage and electrical connections, measured capacitor values. Started heat pump, checked refrigerant charge and temperature drop across coil.


Luis T.

Luis T. Job Checkin

Customer is experiencing high humidity levels, check ac operation supply and return air 15 degrees split, outdoor heat pump is two ton with variable speed 3 ton air handler, check airflow settings and found indoor unit to be set to 1350, set air handler to 800 cfm. Now system delta differential is 22F.....System is set up for three zones, areal zoning with April aire dampers, zoning is not set up right, would recommend taking zoning panel and dampers and installed prestige thermostat with room sensor. Emailed proposal for recommendations


Barry P.

Barry P. Job Checkin

AC tune up 2.5 ton R22 Goodman AC system. Temp split 18.2 Ok. Mr. D is using a 24V electronic filter. I replaced with clean 20x25x1 media filter. Both UV systems need replacement bulbs (3) total. Refrigerant pressires/superheat ok. Both could are in good condition. All electric motors and components ok. System is operating well at the time of this maintenance. Mr. Derugeriis became a plan member. Provided estimate for outdoor capacitor replacement. Schedule time in mid July for replacement.


Brian B.

Brian B. Job Checkin

Performed cooling maintenance, checked media air filter ok. Shut off humidifier for summer. Checked voltage, amperage and electrical connections, measured capacitor values. Started heat pump, checked refrigerant charge and temperature drop across coil.


Luis T.

Luis T. Job Checkin

Removed two existing heat pump and air handlers. Installed new Amana heat pump and air handler. Installed new 15kw heat kit. Installed new supply plenum. Adapted to existing return box and drop. Sealed all ductwork. Ran new 7/8 lineset to new outdoor unit. Brazed pressure tested and evacuated to below 500 microns. Installed new single point entry kit and made all necessary high and low voltage connections. Adapted to existing 1.5 ton system ductwork and 10 in supply and return. Installed new condensate pump and tested. Installed new disconnect and whip. Installed new pad on stone and raised heat pump up on risers. Tested system in heating and cooling system working properly. Install went over with customer and work area cleaned.


Brian B.

Brian B. Job Checkin

Checked no cooling on second floor, checked air filter ok. Checked refrigerant charge, found system low on charge. Recommend a leak search. Performed leak search on system. Found a leak at to vapor line connection outdoor. Topped off refrigerant charge and balanced by sub cooling. Checked operation and temperature drop across coil.


Luis T.

Luis T. Job Checkin

Customer is experiencing noise coming from indoor unit, found unit running upon arrival, check airflow ok check supply and return ok, check return dropped for any gaps, system is not making noise at this time, also inspect vinyl discharge no issues found with vinyl system is working correctly


Brian B.

Brian B. Job Checkin

Performed cooling maintenance, replaced standard air. Cleaned eztrap and drain. Checked voltage, amperage and electrical connections, measured capacitor values. Started heat pump, checked refrigerant charge and temperature drop across coil.