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King of Prussia, PA

Expert HVAC Service and More in King of Prussia, PA

DiBiase Heating and Cooling Company provides a full range of services to keep your home comfortable and efficient year-round in King of Prussia, 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 King of Prussia, PA

Rated 5.0 out of 5 stars based on 7 customer reviews

Customers say: The reviews reflect an overwhelmingly positive sentiment toward the service technicians and their work. Customers consistently express appreciation for the technicians' professionalism, knowledge, and communication skills. A recurring theme is the thoroughness of the service provided, with many reviewers highlighting how technicians took time to explain technical issues in understandable terms. Customers frequently mention the technicians' ability to diagnose and solve problems efficiently, even in challenging situations. The reviews convey satisfaction with the quality of work performed, timely service, and helpful recommendations for system maintenance and improvement. The overall tone is decidedly positive, with customers expressing gratitude for having their heating and cooling systems restored to proper functioning, particularly during critical times. Many reviews indicate an intention to request the same technicians for future service needs, demonstrating a high level of trust and satisfaction with the service experience.

Our Local Reviews by City

Job Locations and Reviews

Review
It’s always a pleasure to work with the DiBiase team. Scheduling was easy, as usual. (Thanks, Maria!) Service was on time and on target, as were follow-up recommendations. (Thanks, Luis!)
Joseph - King of Prussia, PA 19406
Luis 3-27-26 land lord Calle in for issue with heater, upon arrival talked to tenant, tenant stated heater sometimes does work, but today’s concern was blower never stops. I checked system operation, I inspected heater components, thermostat and filter, filter was very dirty. Tenant has spare filter, filter needs to be change every 30 days. Found thermostat satisfied and fan to on. I tested heater and blows hot air. I switch fan to auto and Educated that if they don’t want fan to run constantly they need to keep it on automatic, during today’s visit I noticed some items that need attention, some of the ignition components are in bad shape this will be an issue soon. I provided estimate for repairs. Indoor coil is fully covered with biological growth, I would recommend adding uv light to control bacteria growth. Overall shape is poor, unit is from 2009. 17 years old. I would recommend getting an estimate to replace system. Called land lord and left voicemail.
Luis 3-27-26 land lord Calle in for issue with heater, upon arrival talked to tenant, tenant stated heater sometimes does work, but today’s concern was blower never stops. I checked system operation, I inspected heater components, thermostat and filter, filter was very dirty. Tenant has spare filter, filter needs to be change every 30 days. Found thermostat satisfied and fan to on. I tested heater and blows hot air. I switch fan to auto and Educated that if they don’t want fan to run constantly they need to keep it on automatic, during today’s visit I noticed some items that need attention, some of the ignition components are in bad shape this will be an issue soon. I provided estimate for repairs. Indoor coil is fully covered with biological growth, I would recommend adding uv light to control bacteria growth. Overall shape is poor, unit is from 2009. 17 years old. I would recommend getting an estimate to replace system. Called land lord and left voicemail.
Luis T.
Luis T. Checked in
Luis 3-27-26 land lord Calle in for issue with heater, upon arrival talked to tenant, tenant stated heater sometimes does work, but today’s concern was blower never stops. I checked system operation, I inspected heater components, thermostat and filter, filter was very dirty. Tenant has spare filter, filter needs to be change every 30 days. Found thermostat satisfied and fan to on. I tested heater and blows hot air. I switch fan to auto and Educated that if they don’t want fan to run constantly they need to keep it on automatic, during today’s visit I noticed some items that need attention, some of the ignition components are in bad shape this will be an issue soon. I provided estimate for repairs. Indoor coil is fully covered with biological growth, I would recommend adding uv light to control bacteria growth. Overall shape is poor, unit is from 2009. 17 years old. I would recommend getting an estimate to replace system. Called land lord and left voicemail.
King of Prussia, PA 19406
Luis 3-27-26 performed ac tune on carrier 3 ton ac unit. Check all electrical connections and components, check air filter inspect indoor coils and blower. Inspect and test uv light system ok check airflow supply and return ok. Test condensation pump ok. Check outdoor unit refrigerant levels and pressures ok. Capacitor and contactor ok. Ac unit is working properly at the time of service, during today’s visit I did noticed some items that will need attention, vinyl tubing should get replaced for proper operation, expansion tank on water heater has failed, i provided estimate for repairs and recommendations. Office to follow up with customer.
Luis 3-27-26 performed ac tune on carrier 3 ton ac unit. Check all electrical connections and components, check air filter inspect indoor coils and blower. Inspect and test uv light system ok check airflow supply and return ok. Test condensation pump ok. Check outdoor unit refrigerant levels and pressures ok. Capacitor and contactor ok. Ac unit is working properly at the time of service, during today’s visit I did noticed some items that will need attention, vinyl tubing should get replaced for proper operation, expansion tank on water heater has failed, i provided estimate for repairs and recommendations. Office to follow up with customer.
Luis T.
Luis T. Checked in
Luis 3-27-26 performed ac tune on carrier 3 ton ac unit. Check all electrical connections and components, check air filter inspect indoor coils and blower. Inspect and test uv light system ok check airflow supply and return ok. Test condensation pump ok. Check outdoor unit refrigerant levels and pressures ok. Capacitor and contactor ok. Ac unit is working properly at the time of service, during today’s visit I did noticed some items that will need attention, vinyl tubing should get replaced for proper operation, expansion tank on water heater has failed, i provided estimate for repairs and recommendations. Office to follow up with customer.
King of Prussia, PA 19406
Luis 3-9-26 performed propane gas heater tune up in two American standard 90% heaters. Check all electrical connections, inspect burners igniter, air blower. And combustion removal. Replacement filters. Performed combustion test ok. Both heaters are working properly. I service humidifier for second floor. I noticed bracket that holds feed tube is broken. This is part of the actual humidifier. To fix this issue new humidifier is needed. (Currently working but tube is fully attached to bracket) provided estimate to replace second floor humidifier, I also noticed vinyl tubing for both units are in bad shape. Second floor unit does not have any water sensor, no surge protection,  I provided estimate to add this safety protection to second floor unit.
Luis 3-9-26 performed propane gas heater tune up in two American standard 90% heaters. Check all electrical connections, inspect burners igniter, air blower. And combustion removal. Replacement filters. Performed combustion test ok. Both heaters are working properly. I service humidifier for second floor. I noticed bracket that holds feed tube is broken. This is part of the actual humidifier. To fix this issue new humidifier is needed. (Currently working but tube is fully attached to bracket) provided estimate to replace second floor humidifier, I also noticed vinyl tubing for both units are in bad shape. Second floor unit does not have any water sensor, no surge protection,  I provided estimate to add this safety protection to second floor unit.
Luis T.
Luis T. Checked in
Luis 3-9-26 performed propane gas heater tune up in two American standard 90% heaters. Check all electrical connections, inspect burners igniter, air blower. And combustion removal. Replacement filters. Performed combustion test ok. Both heaters are working properly. I service humidifier for second floor. I noticed bracket that holds feed tube is broken. This is part of the actual humidifier. To fix this issue new humidifier is needed. (Currently working but tube is fully attached to bracket) provided estimate to replace second floor humidifier, I also noticed vinyl tubing for both units are in bad shape. Second floor unit does not have any water sensor, no surge protection, I provided estimate to add this safety protection to second floor unit.
King of Prussia, PA 19406
Performed precision heat tune up on 2023 amana 80% gas furnace. Replaced 16x25x1 air filter. Checked all electrical connections and components. Checked temperature rise. Found gas leak at 3/4” union above water heater, replaced 3/4” union by turning off gas to home checked for leaks and re lite water heater. All installed x13 surge protector for blower motor. Cleaned flame sensor and performed combustion test. Gas furnace is working properly at time of service.
Performed precision heat tune up on 2023 amana 80% gas furnace. Replaced 16x25x1 air filter. Checked all electrical connections and components. Checked temperature rise. Found gas leak at 3/4” union above water heater, replaced 3/4” union by turning off gas to home checked for leaks and re lite water heater. All installed x13 surge protector for blower motor. Cleaned flame sensor and performed combustion test. Gas furnace is working properly at time of service.
Kurt M.
Kurt M. Checked in
Performed precision heat tune up on 2023 amana 80% gas furnace. Replaced 16x25x1 air filter. Checked all electrical connections and components. Checked temperature rise. Found gas leak at 3/4” union above water heater, replaced 3/4” union by turning off gas to home checked for leaks and re lite water heater. All installed x13 surge protector for blower motor. Cleaned flame sensor and performed combustion test. Gas furnace is working properly at time of service.
King of Prussia, PA 19406
Review
Excellent work by Luis, following up on the excellent recommendations he made that led to this work. Thanks and kudos to Melissa for smooth administrative coordination, as well.
Joseph - King of Prussia, PA 19406
9-25-25 Luis Installation of Professional Grade Ultraviolet Air Purification System to actively clean and eliminate airborne contamination throughout the home for “breathe-easy” quality air as well as protecting hvac equipment from harmful VOCs and microbial growth
9-25-25 Luis Installation of Professional Grade Ultraviolet Air Purification System to actively clean and eliminate airborne contamination throughout the home for “breathe-easy” quality air as well as protecting hvac equipment from harmful VOCs and microbial growth
Luis T.
Luis T. Checked in
9-25-25 Luis Installation of Professional Grade Ultraviolet Air Purification System to actively clean and eliminate airborne contamination throughout the home for “breathe-easy” quality air as well as protecting hvac equipment from harmful VOCs and microbial growth
King of Prussia, PA 19406
Review
As always is the case with DiBiase, a satisfying experience from start to finish. A pleasure to work with Melissa by phone and to have Luis in our home to do today’s work and to help us plan for system upgrades. Thanks all around, team!
Joseph - King of Prussia, PA 19406
Response from DiBiase Heating and Cooling Company:

Joseph, thank you for the 5 star review and the feedback. We strive to provide great service and it is always good to hear from our valued customers. Thank you!

Luis T.
Luis T. Checked in
9-5-25 Luis performed gas heat tune tune up on 80% Amana gas furnace two stage. Check all electrical connections and components low and high. Inspect air filter ok. Performed combustion test ok check temperature rise and static pressure. Clean sensor and burners. Cycle gas heater ok. Customer has some concern about smell coming from vents. I provided estimate to add air quality to existing unit. Customer will review options.
King of Prussia, PA 19406
Kurt M.
Kurt M. Checked in
Performed precision peco tune up on (2) Bosch 36,000 btu systems. Air filters are 16x25x4.5 replaced by homeowner. Checked all electrical connections and components. Found several improvements that can be made provided estimates. Checked all refrigerant pressures readings and temperatures at outdoor control boards. Systems are working at time of service.
King of Prussia, PA 19406
connerwillauer@gmail.com
connerwillauer@gmail.com Checked in
Ran blower door test-out. Air tightness in home shows improvement from test-in. Test-in will need to be converted to cfm50 prior to submitting incentive application.
King of Prussia, PA 19406
Marketing T.
Marketing T. Checked in
PECO Air Sealing and Insulation Project * Perform blower door test and calculate target for the home. * Install rafter vents at attic roofline to ensure ventilation is not negatively impacted by adding insulation. * Move insulation and air seal attic plane with single part spray foam and place insulation back into place. * Add more insulation into attic space with blown in insulation to achieve desired value. * Perform duct sealing for all accessible ductwork in attic and basement areas including register boots. * Perform CAZ testing including draft testing of appliances and combustion testing under worst case conditions. * Perform test out blower door test to validate results from air sealing.
King of Prussia, PA 19406
Review
Professional, courteous and prompt.
Dr B - King of Prussia, PA 19406
Tan M.
Tan M. Checked in
7/10/25 Tan Performed QA on new ac install from June for 2nd floor. Indoor system located in basement. Noticed a ton of condensation on ductwork but the garage door was open when I arrived. No issues with dip switch settings as the furnace was installed in 2019 and originally set for 3-ton system. Temp split was roughly 15° but it’s likely due to humidity and leaking damper on bypass humidifier. Refrigerant charge was good and didn’t indicate airflow issues. Static pressure: BF -.2, AF -.3, BC .6, AC .3 ESP is at .5, TESP is at .9 Found all wiring good and proper. Zip ties were used to keep them neat. Drain and ez trap are pitched and working properly. Same for condensate pump operating as normal. Amp draws were good. Lineset is clean and insulated. Caps were on tight. Outdoor unit and disconnect are leveled. Surge protector is built into disconnect. The blower in gas furnace has existing x13 surge protector. Service record is visible on the system. Client has no complaints about its p
King of Prussia, PA 19406
Review
The instal team were timely, courteous, very attentive, professional and efficient. The whole process was very smooth.
Shahab Bina - King of Prussia, PA 19406
Response from DiBiase Heating and Cooling Company:

Hi Shahab! Thank you for the wonderful review! We're glad to hear our install team delivered a smooth and professional experience. Timely, courteous, and attentive service is what we strive for, and it’s great to know we hit the mark. We appreciate your trust in DiBiase Heating and Cooling!

Review
Nathan was thorough and professional, from start of visit through emailed summary. A pleasure to work with him.
Joseph - King of Prussia, PA 19406
Review
Ben, Shane, Joe & their crew were efficient, thorough, and great communicators throughout the entire project. My wife and I are very happy with the work completed and felt the price was fair for the work completed. Definitely a company I trust and will go to for future HVAC and home efficiency needs.
Kurt W - King of Prussia, PA 19406
Review
Very thorough and professional AC check-up by Dan today. Much appreciated, as is all the good service we’ve experienced with DiBiase through the years. And a tip of the cap to the helpful and friendly staffers at the office, as well.
Joseph - King of Prussia, PA 19406
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