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Kennett Square, PA

Expert HVAC Service and More in Kennett Square, PA

DiBiase Heating and Cooling Company provides a full range of services to keep your home comfortable and efficient year-round in Kennett Square, PA. Whether you need HVAC repair, installation, or maintenance, we’ve got you covered. Our team also specializes in improving indoor air quality with air purifiers, humidifiers, and ductwork services. Looking for water heater solutions? We offer repairs and replacements for both tank and tankless systems. Additionally, our energy services, including air sealing, insulation, and energy audits, help homeowners save on utility costs while maximizing comfort. Whatever your home’s needs, DiBiase Heating and Cooling Company is here to deliver expert service.

Founded in 2008, DiBiase Heating and Cooling Company is a family-owned and operated company that’s committed to delivering honest, reliable service. We take pride in our expertise, offering certified technicians who provide top-quality HVAC, plumbing, and energy services. What sets us apart is our focus on process and integrity—we do the job right the first time, ensuring your home is always in good hands. Ready to experience the DiBiase difference? Call 610-873-1244 or contact us online today to schedule your service!

Recent Jobs and Reviews in Kennett Square, PA

Rated 5.0 out of 5 stars based on 39 customer reviews

Customers say: The reviews exhibit a positive overall sentiment, with recurring positive themes and sentiments. The majority of reviews express satisfaction with the services provided, highlighting the expertise, professionalism, and courtesy of the technicians. Customers appreciate the prompt and efficient service, with many mentioning the technicians' ability to diagnose and resolve issues quickly. Positive feedback is also directed towards the company's customer service, with many praising the helpfulness and efficiency of the office staff. Customers also mention the quality of the work and the professionalism of the technicians, indicating a high level of satisfaction with the services provided. Additionally, there are mentions of the technicians' knowledge and expertise, with customers expressing confidence in their ability to handle various HVAC-related issues. Overall, the reviews suggest a positive experience with the company, with customers expressing satisfaction with the services provided and the professionalism of the technicians.

Job Locations and Reviews

Kennett Square, PA - Reviewed project with Tom and talked about specifics of what Tom was looking for in regards to equipment options and scope of work.  Tom to send over blueprints so load calc can be completed to finalize sizing and change up options to reflect outcome of our conversation.
Joseph D.
Joseph D. Checked in
Reviewed project with Tom and talked about specifics of what Tom was looking for in regards to equipment options and scope of work. Tom to send over blueprints so load calc can be completed to finalize sizing and change up options to reflect outcome of our conversation.
Kennett Square, PA 19348
Review
Luis is competent and professional
Paul - Kennett Square, PA 19348
Luis 9-8-25 Performed precision heat tune up on amana 100000 btu 80% gas furnace. Replaced 14x25x1 air filter. Checked all electrical conections and components. Cleaned flame sensor. Checked gas pressures. Checked temperature rise. Performed combustion test. Gas furnace is working fine at time of inspection. Provided estimate to add whole house humidifier and air cleaner
Luis 9-8-25 Performed precision heat tune up on amana 100000 btu 80% gas furnace. Replaced 14x25x1 air filter. Checked all electrical conections and components. Cleaned flame sensor. Checked gas pressures. Checked temperature rise. Performed combustion test. Gas furnace is working fine at time of inspection. Provided estimate to add whole house humidifier and air cleaner
Luis T.
Luis T. Checked in
Luis 9-8-25 Performed precision heat tune up on amana 100000 btu 80% gas furnace. Replaced 14x25x1 air filter. Checked all electrical conections and components. Cleaned flame sensor. Checked gas pressures. Checked temperature rise. Performed combustion test. Gas furnace is working fine at time of inspection. Provided estimate to add whole house humidifier and air cleaner
Kennett Square, PA 19348
Homeowner explained that the last 3 billing cycles his bill has tripled.
Homeowners moved in 3 years ago.

Equipment is 5 Ton Heat pump with 20KW electric heat kit. Installed 7/2012. Used York warranty website to determine install date.

20x22x1 filter ok
When I arrived I checked condition of filter. Then took air side temperature measurements. Return 71°F Supply 61.5°F = 9.5° Split. 
Went to check refrigerant pressures. Ethan (homeowner) then explained that Complete services was here and charged the unit 3# R410A in early July.

Pressures were ok. 6.4°SC

No drain safeties wired in. Left estimate for EZ trap and wire in pump safety. 
Vinyl tubing ran outside. There is a humidifier it will freeze in winter. Left estimate to run vinyl tubing inside to a new barb in plumbing. 

Found indoor amps to be 22A.
Electric heat sequencer stuck closed. I traced out which element and sequencer had current. Detached the corresponding lead wire and wrapped in electrical tape, and tuned system back o
Homeowner explained that the last 3 billing cycles his bill has tripled.
Homeowners moved in 3 years ago.

Equipment is 5 Ton Heat pump with 20KW electric heat kit. Installed 7/2012. Used York warranty website to determine install date.

20x22x1 filter ok
When I arrived I checked condition of filter. Then took air side temperature measurements. Return 71°F Supply 61.5°F = 9.5° Split. 
Went to check refrigerant pressures. Ethan (homeowner) then explained that Complete services was here and charged the unit 3# R410A in early July.

Pressures were ok. 6.4°SC

No drain safeties wired in. Left estimate for EZ trap and wire in pump safety. 
Vinyl tubing ran outside. There is a humidifier it will freeze in winter. Left estimate to run vinyl tubing inside to a new barb in plumbing. 

Found indoor amps to be 22A.
Electric heat sequencer stuck closed. I traced out which element and sequencer had current. Detached the corresponding lead wire and wrapped in electrical tape, and tuned system back o
Barry P.
Barry P. Checked in
Homeowner explained that the last 3 billing cycles his bill has tripled. Homeowners moved in 3 years ago. Equipment is 5 Ton Heat pump with 20KW electric heat kit. Installed 7/2012. Used York warranty website to determine install date. 20x22x1 filter ok When I arrived I checked condition of filter. Then took air side temperature measurements. Return 71°F Supply 61.5°F = 9.5° Split. Went to check refrigerant pressures. Ethan (homeowner) then explained that Complete services was here and charged the unit 3# R410A in early July. Pressures were ok. 6.4°SC No drain safeties wired in. Left estimate for EZ trap and wire in pump safety. Vinyl tubing ran outside. There is a humidifier it will freeze in winter. Left estimate to run vinyl tubing inside to a new barb in plumbing. Found indoor amps to be 22A. Electric heat sequencer stuck closed. I traced out which element and sequencer had current. Detached the corresponding lead wire and wrapped in electrical tape, and tuned system back o
Kennett Square, PA 19348
Barry P.
Barry P. Checked in
Found small clog in dehumidifier drain line. Unscrewed 3/4” male cap (hand tight) Forced cable tie through trap and water immediately began flowing. Flushed drain with gallon H20. Also made sure HVAC trap and drainwere clear. Also cleaned filter. Dehumidifier working well at this time. Dried area as best as possible. Recommend putting a floor fan to speed up drying any moisture on the floor. Also recommend leaving door between mechanical room and newly finished “workout” room open. Will help keep humidity in that room at bay.
Kennett Square, PA 19348
Barry P.
Barry P. Checked in
Completed QA for 80,000 BTU natural gas furnace: Inspected all aspects of install. Ductwork connections, mechanical, wiring, piping etc. Verified fan speed settings for heat and cooling. 2 Ton AC. Measured temperature rise . Confirmed proper gas pressure @ outlet of valve. Checked for gas leaks. Carbon monoxide flue gas test: Pass Install Passes QA inspection. During the process I discussed adding a surge protector to the outdoor unit. We installed surge protector for blower motor of new furnace. She agreed. Completed work today. Zap pro surge protector for outdoor unit. Invoice Paid with check
Kennett Square, PA 19348
Daniel R.
Daniel R. Checked in
Heat pump system 6 month check up. Checked the wiring connections on unit set up and inspected the coil and blower on the indoor unit. Checked the air filter and replaced . Checked the system operation . Checked my safeties and drain trap . I checked my cooling operation and leveled the outdoor unit . Removed the cover and checked all components. Check voltages and amp draws. The system is working fine at this time of service
Kennett Square, PA 19348
Daniel R.
Daniel R. Checked in
08/29/25 Dan Gas furnace tuneup on a 90% furnace , the system is 10 months old . I Checked the air filter and replaced the 413 supplied by the customer. I also serviced the humidifier during the check up. I Checked the wiring connections and the voltages . Flushed the drain lines and furnace traps. Inspected the burners and flame sensors and cleaned . Inspected the flue pipes for leaks and bellies. checked the thermostat in heating mode and checked the gas pressures and the furnace safeties. checked the motor amps on the inducer operation and blower motors. Took indoor heat temp rise and tested for combustion on the system. The furnace is in good working order at this time of service. I looked at the a/c and found pressures to be fine . I have a 16 sh and 9 sc . Temps were good. Issue may have been the air filter , it was dirty. Both sides of the system are running fine at this time service
Kennett Square, PA 19348
Review
Barry was incredibly informative, courteous, and thorough.
James - Kennett Square, PA 19348
Barry P.
Barry P. Checked in
Completed QA for 3 ton Heat pump install. Inspected all aspects of install: Mechanical, wiring, ductwork connections, drain and refrigerant piping. 20x23x1 filter is clean. Airflow set for 408CFM/Ton Temperature split 71.5-53.3 Walk through with homeowner the function of EZ trap and how to clean drain. Checked refrigerant charge. Configured power motor to open in .5 seconds after an under/over voltage event. Currently thermostat can’t support heat pump/hydronic heat at up. He is aware that he will need thermostat upgrade if he wants to use heat pump. He noticed mold on inside of flex duct collar on the one supply trunk 14x8. He would like us to provide estimate to replace the flex collar with sheet metal fittings. I took photos of supply duct. There is a box with enough space to work with. Would require (2) 45° (14”x8”) and a new piece of 14x8. May be other options as well. He also would like estimate to do a sediment filter for his well water. He’s not interested In more compr
Kennett Square, PA 19348
Barry P.
Barry P. Checked in
Completed QA for 3 Ton Trane heat pump inverter with 10KW electric heat kit. Inspected all aspects of install: mechanical, electrical, ductwork connections, control settings. Power monitor configured for utility under-voltage setpoint 208V Utility over-voltage setpoint 257V Over/under delay .5 seconds Load restore delay 180 seconds And changed calibration to precisely match voltage measured by meter 243V Fan speed dip switches set to 408cfm/ton Checked thermostat config, aux heat lockout: 35°F; heat pump: lockout disabled. Measured temperature split and verified refrigerant charge in cooling. Walk through with homeowner how to maIntain drain line and keep pump clean. And how to use brush to clean out trap and the function of EZ trap. Install passes QA inspection.
Kennett Square, PA 19348
Review
Barry was prompt and professional in the service of our hvac system. We’re pleased with DiBiase and their technicians and will continue working with them.
Paul - Kennett Square, PA 19348
Barry P.
Barry P. Checked in
QA for 2 Ton AC with 60,000BTU funace install. Filter size 14x25x1 Installed AG3000 surge protector at outdoor equipment disconnect. Inspected all aspects of install: Mechnical, wiring, control settings, gas, flue, drain and refrigerant piping. Measured temperature split in cooling. Checked refrigerant pressures/charge. Tested drain safeties. Only issue was low voltage wiring. They jumpered W1 and W2 at board which will take staging out of the equation..will run in high stage only. On Goodman 2-stage furnaces with single stage thermostat: Land white conductor on W1 and set the AHS (Automatic Heat staging) option on control to 10 or 20 min or Auto. Page 29 in manual. The other thing I saw was they used the wrong airflow chart in the manual. The model number here is GR9T.. Install passes quality assurance.
Kennett Square, PA 19348
Review
Kurt was knowledgeable, professional, and courteous. He took time to explain everything he was doing and showed us the best way to get the most out of the new equipment. B
Pat - Kennett Square, PA 19348
Review
The experience with DiBiase Heating & Cooling has been fantastic so far! The sales process with Tony was excellent, as he was very responsive and patient with my endless questions. The installation by Riley and his associates was phenomenal! They were polite, unobtrusive, helpful when I had questions, and they left my house as clean as it was before they got here! All around, an excellent experience!
Lee Zats - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hello Lee! Thank you so much for your thoughtful review! We’re thrilled to hear that Tony, Riley, and the rest of our team provided such a smooth and professional experience from start to finish. We pride ourselves on being responsive, respectful, and leaving every home just as we found it—only more comfortable! If you ever have more questions or need anything in the future, we’re always here to help. Thanks again for choosing DiBiase Heating & Cooling!

Review
Tony was very courteous and professional in the delivery of an estimate for a new HVAC unit. His bottom line was a surprise (not in a good way) so I will be seeking alternate estimates.
Paul - Kennett Square, PA 19348
Review
Luis was very courteous and professional as he broke the expected news that our AC was essentially dead.
Paul - Kennett Square, PA 19348
Review
Called on a Sunday AM Tech got there very quickly!
Terry Frantz - Kennett Square, PA 19348
Review
Our technician was very thorough, professional, and patient with all our questions and concerns. We feel confident that we made the right decision choosing DeBiase for our heating and air conditioning needs.
Pat - Kennett Square, PA 19348
Review
Christopher Walker - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hi Christopher! Thanks for the 5-star review--we greatly appreciate it!

Review
Excellent and Expeditious Service
Chris - Kennett Square, PA 19348
Review
Completed all work, despite the dogs going nuts, very professional!!!
Mike - Kennett Square, PA 19348
Review
As always your team is professional and thorough. I recommend you often.
Daniel Marcantuno - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hey Daniel, Thank you so much for the positive feedback. We're thrilled to hear our team was professional and thorough, and appreciate your recommendation!

Review
Very thorough first visit - identified a couple of issues for repair as well.
Dave Leonard - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hi Dave! Thanks for sharing your experience! A thorough first visit is key to keeping your system running smoothly, and we're glad we could catch those issues early. If you ever need anything or have questions about the next steps, we're here to help. Appreciate you choosing DiBiase Heating and Cooling!

Review
Very knowledgeable and took the time to explain my technical questions. Also made an adjustment to my hot water setup while here.
dan c - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hello Dan, Thanks for sharing your experience! We love hearing that our team took the time to explain everything and even fine-tuned your hot water setup. If there’s anything we could have done better, we’d love to know—your feedback helps us improve!

Review
Just as it should be - they were knowledgeable, responsive, and professional, and they did the work efficiently and cleanly. The price seemed reasonable for all they did.
Jeanne Salidar - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hey Jeanne! Thanks for the nice review! Glad to hear everything was done efficiently and professionally. We appreciate your trust in us and are happy you found the pricing reasonable. Let us know if we can help again in the future!

Review
Located water shut off valves and made sure that the hose valve worked. Excellent customer service.
John Pratt - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hi John, Thank you so much for you kind words! We are glad our technician was able to give you an honest evaluation of what you needed. Let us know if you need anything in the future. Stay Warm!

Review
I cannot ask for a more thorough and detailed technician. Barry takes the time to ensure everything is in working order. The was a quality review check after they installed a new furnace 3 weeks ago. I like the fact that they come back to make sure all is in working order after the unti has had time to settle in. Great service!
Vincent Cyr - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hi Vincent, Thank you for your thoughtful review! We’re delighted to hear that Barry went above and beyond to ensure everything was perfect with your new furnace. We’re here if you need anything in the future!

Review
As always, Barry was on time and very thorough with the tune-up. Very pleased with the service. I would highly recommend Barry and Dibiase.
Don Skahan - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hi Don! Thank you for your kind words! We’re glad to hear that Barry’s punctuality and thorough work continue to impress you. Your recommendation means a lot, and we’re grateful for your trust in DiBiase Heating and Cooling!

Review
Daniel Marcantuno - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hi Daniel! Thank you so much for your 5-star review!

Review
Great, reliable service every time. Thanks!
Rob Barton - Kennett Square, PA 19348
Response from DiBiase Heating and Cooling Company:

Hi Rob, Thank you for the kind words! We're delighted to provide reliable service every time. Your trust and satisfaction mean the world to us!

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