667 Mary St.
Warminster, PA 18974
215-454-0001

Local Reviews

Rated 5.0 out of 5 stars based on 46 customer reviews

Incredible service

Stan has been so helpful, honest and hardworking each time we’ve called him. We would recommend his services and those of his company to everyone

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Very professional

I called Modern Air when my AC broke, they came out same day and fix my AC on same day. No hidden charges and vey reasonable

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Fast response time, fair prices!

Every time I have called Stan, invariably it was something very time sensitive, and he called me back quickly, visited my home quickly, was very communicative, and performed the repair really quickly. A+++

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Fast and professional service

Replacing heat pump system in 24 hours is definitely not a small task. But Stan made sure that it was done professionaly. He did not pressure us into buying the most expensive system; he just explained available options and differences between them. Before he left, he patiently went over the system in details and made sure we knew how to use it. I will recommend Stan to any of my friends.

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Professional, Competent, Quick & Available on a Holiday!

I found Stan through a Nest thermostat tech support specialist who was looking for a technician to fix my setup so I could have heat again. Stan arrived when he said he would, texting and calling ahead. He seemed very knowledgeable about HVAC systems in general, but specifically knew about smart programmable thermostats like Nest, which is not a skill that all HVAC pros have, not by a long shot. He diagnosed the problem within minutes. He spoke w/Nest agent on the phone to explain things and answer questions, and he filled out a detailed invoice as required by the company for reimbursing costs. Great service.

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Responsive and afforadable

Stan at Modern Air Solutions is always available and willing to help. His prices are fair and he spends the time to fix the problem right. He takes his time and has a lot of interest in ensuring his customers are satisfied. Modern Air has become my go-to HVAC provider.

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Solved the problem

During terrible cold wave noticed that heat was not cycling on at regular intervals. It would heat up the house then go off for up to 10 hours before going back on. I called Modern Air and Stan came out the same day, identified the issue, and fixed it. He is very knowledgeable and good at what he does and will be my HVAC person going forward.

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Great and fast service

The geltelmen arrive on time and got the job done now I have heat thanks

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Looking to hire a HVAC company.

Awesome service & workmanship. I was like you looking at reviews to hire someone to replace our heater and AC units but didn't know who to hire. I did my due diligence in researching companies and getting several estimates. Stan showed up on time for the estimate, gave me his thoughts, information and an estimate to make a decisions. We have no regrets on selecting Modern Air Solutions, they showed up on time, did quality work and worked to get our heat working the day before Thanksgiving. I enjoyed working with Stan and Modern Air Solutions, I would highly recommend them.

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Good service, fair price

Had Stan zone an existing system in my home. The work was good and fast and his guys were very careful and took pride to make sure they cleaned up after themselves.

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Very Professional

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Convenient, good price

Comes when he says he will, follows through, very clean, good prices. Highly recommend!!

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My HVAC hero!!

Stan is awesome- called me back right away, was in my house diagnosing the problem the next morning. He ordered a new motor and had it installed quickly, neatly, and professionally. It was a pleasure to deal with him.

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Courteous and professional

In the height of a heat wave, Modern Air responded quickly to my needs. My air conditioning unit ceased blowing cold air. The modern air team was able to diagnose and correct the issue. Later in the evening I was experiencing a strange behavior with my unit again, Modern Air (Stan) came that evening again to ensure the problem was resolved. Further, he followed up the following day to make sure performance was satisfactory.

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Reliable, well mannered, will recommend their services. I rate them as " A " company😊👍

Quick to respond, well mannered, reliable. Great job, Many thanks! 👍😊

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Job Locations

Dan .

Dan . Job Checkin

Performed heating and air conditioning repair service for Christoph in Bryn Mawr, PA 19010


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Dan . Job Checkin

Performed heating and air conditioning repair service for Beth in Philadelphia, PA 19119


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Performed heating and air conditioning repair service for Kamil in Philadelphia, PA 19126


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Responded to an urgent no-heat call for a renter in Philadelphia, PA 19142, whose gas furnace stopped heating two days ago. The igniter wasn’t glowing, and the home had dropped to unsafe temperatures, so we started with a full diagnostic on the basement furnace. We replaced the faulty thermostat, restored proper control communication, and verified system operation. During testing, we found that the furnace was overheating and short-cycling due to ductwork that doesn’t match the system’s airflow requirements—a major factor behind the shutdown. After completing the thermostat replacement and confirming safe operation, we reviewed corrective ductwork options to prevent future overheating and keep his family warm for the rest of the heating season.

Responded to an urgent no-heat call for a renter in Philadelphia, PA 19142, whose gas furnace stopped heating two days ago. The igniter wasn’t glowing, and the home had dropped to unsafe temperatures, so we started with a full diagnostic on the basement furnace. We replaced the faulty thermostat, restored proper control communication, and verified system operation. During testing, we found that the furnace was overheating and short-cycling due to ductwork that doesn’t match the system’s airflow requirements—a major factor behind the shutdown. After completing the thermostat replacement and confirming safe operation, we reviewed corrective ductwork options to prevent future overheating and keep his family warm for the rest of the heating season. Responded to an urgent no-heat call for a renter in Philadelphia, PA 19142, whose gas furnace stopped heating two days ago. The igniter wasn’t glowing, and the home had dropped to unsafe temperatures, so we started with a full diagnostic on the basement furnace. We replaced the faulty thermostat, restored proper control communication, and verified system operation. During testing, we found that the furnace was overheating and short-cycling due to ductwork that doesn’t match the system’s airflow requirements—a major factor behind the shutdown. After completing the thermostat replacement and confirming safe operation, we reviewed corrective ductwork options to prevent future overheating and keep his family warm for the rest of the heating season.

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Dan . Job Checkin

Wrapped up a service for a heating concern for a new customer in Hatboro, PA 19040, where the furnace was only reaching about 55°F despite running continuously. The system is a roughly four-year-old gas unit, and a previous technician had replaced the thermostat without resolving the issue, leaving the system short-cycling and still displaying a filter alert. We performed a full diagnostic on the furnace in the basement, checked airflow, safety limits, and thermostat communication, and verified system operation to pinpoint the cause of the inconsistent heat. We provided clear recommendations to get her home back to safe, reliable warmth for the season.

Wrapped up a service for a heating concern for a new customer in Hatboro, PA 19040, where the furnace was only reaching about 55°F despite running continuously. The system is a roughly four-year-old gas unit, and a previous technician had replaced the thermostat without resolving the issue, leaving the system short-cycling and still displaying a filter alert. We performed a full diagnostic on the furnace in the basement, checked airflow, safety limits, and thermostat communication, and verified system operation to pinpoint the cause of the inconsistent heat. We provided clear recommendations to get her home back to safe, reliable warmth for the season. Wrapped up a service for a heating concern for a new customer in Hatboro, PA 19040, where the furnace was only reaching about 55°F despite running continuously. The system is a roughly four-year-old gas unit, and a previous technician had replaced the thermostat without resolving the issue, leaving the system short-cycling and still displaying a filter alert. We performed a full diagnostic on the furnace in the basement, checked airflow, safety limits, and thermostat communication, and verified system operation to pinpoint the cause of the inconsistent heat. We provided clear recommendations to get her home back to safe, reliable warmth for the season.

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Dan . Job Checkin

Just completed a service visit today at Philadelphia, PA 19143 to replace the thermostat serving the main floor of the rental home. The customer had been experiencing inconsistent temperature control, especially with the colder weather settling in, so we installed a new thermostat to restore accurate heating performance. After the replacement, we verified proper system response, calibrated settings, and confirmed that the heating is cycling the way it should. Everything is now operating smoothly, and the home is set for reliable comfort moving forward.

Just completed a service visit today at Philadelphia, PA 19143 to replace the thermostat serving the main floor of the rental home. The customer had been experiencing inconsistent temperature control, especially with the colder weather settling in, so we installed a new thermostat to restore accurate heating performance. After the replacement, we verified proper system response, calibrated settings, and confirmed that the heating is cycling the way it should. Everything is now operating smoothly, and the home is set for reliable comfort moving forward. Just completed a service visit today at Philadelphia, PA 19143 to replace the thermostat serving the main floor of the rental home. The customer had been experiencing inconsistent temperature control, especially with the colder weather settling in, so we installed a new thermostat to restore accurate heating performance. After the replacement, we verified proper system response, calibrated settings, and confirmed that the heating is cycling the way it should. Everything is now operating smoothly, and the home is set for reliable comfort moving forward.

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Dan . Job Checkin

Received a service request from a Google lead in Philadelphia, PA 19142 regarding a gas heater blowing cold air. The homeowner reported that when the panel is removed, the blower starts but eventually stops, and the system has not been providing consistent heat for about a month. The indoor unit is in the basement, and the outdoor unit is easily accessible. This is a rental property, the system is estimated to be under 3 years old, and no prior maintenance or tune-ups have been performed. The customer later called to cancel the appointment, as a family member was able to address the situation for him. We documented the request and remain available for any future service needs.


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Dan . Job Checkin

Responded to a no-heat call in Philadelphia, PA 19143. The customer’s boiler had a broken automatic feeder and required replacement of the low water cut-off and water sensor to restore safe operation. While on-site, we performed a full chemical cleaning and routine maintenance to remove scale and ensure optimal system efficiency. After completing the work, we verified proper boiler operation and confirmed the heating system was fully restored, providing safe and reliable warmth for the home.

Responded to a no-heat call in Philadelphia, PA 19143. The customer’s boiler had a broken automatic feeder and required replacement of the low water cut-off and water sensor to restore safe operation. While on-site, we performed a full chemical cleaning and routine maintenance to remove scale and ensure optimal system efficiency. After completing the work, we verified proper boiler operation and confirmed the heating system was fully restored, providing safe and reliable warmth for the home. Responded to a no-heat call in Philadelphia, PA 19143. The customer’s boiler had a broken automatic feeder and required replacement of the low water cut-off and water sensor to restore safe operation. While on-site, we performed a full chemical cleaning and routine maintenance to remove scale and ensure optimal system efficiency. After completing the work, we verified proper boiler operation and confirmed the heating system was fully restored, providing safe and reliable warmth for the home.

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Dan . Job Checkin

Performed a routine heating system check for a new customer in Warminster, PA 18974. The customer had been receiving daily notifications from his Ecobee smart thermostat indicating that his auxiliary heat had been running continuously for over 3 hours, and he was concerned this might indicate inefficiency or higher electric costs. He mentioned limited experience with heating systems and recently purchased the home, so he was unsure of the system’s age or normal operation. During our inspection, we verified the system’s performance, checked all components, and confirmed that the auxiliary heat was operating efficiently in response to colder temperatures. The system is running safely and effectively, providing reliable heat without unnecessary energy usage.

Performed a routine heating system check for a new customer in Warminster, PA 18974. The customer had been receiving daily notifications from his Ecobee smart thermostat indicating that his auxiliary heat had been running continuously for over 3 hours, and he was concerned this might indicate inefficiency or higher electric costs. He mentioned limited experience with heating systems and recently purchased the home, so he was unsure of the system’s age or normal operation. During our inspection, we verified the system’s performance, checked all components, and confirmed that the auxiliary heat was operating efficiently in response to colder temperatures. The system is running safely and effectively, providing reliable heat without unnecessary energy usage. Performed a routine heating system check for a new customer in Warminster, PA 18974. The customer had been receiving daily notifications from his Ecobee smart thermostat indicating that his auxiliary heat had been running continuously for over 3 hours, and he was concerned this might indicate inefficiency or higher electric costs. He mentioned limited experience with heating systems and recently purchased the home, so he was unsure of the system’s age or normal operation. During our inspection, we verified the system’s performance, checked all components, and confirmed that the auxiliary heat was operating efficiently in response to colder temperatures. The system is running safely and effectively, providing reliable heat without unnecessary energy usage.

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Dan . Job Checkin

Performed a condensate pump replacement in Warminster, PA 18974 to restore proper drainage for the customer’s HVAC system. Our technician removed the old pump, installed a new unit, and verified that all connections were secure and leak-free. After testing the system, we confirmed the condensate is now draining correctly and the system is operating efficiently and safely. Another home ready for reliable heating and cooling performance.

Performed a condensate pump replacement in Warminster, PA 18974 to restore proper drainage for the customer’s HVAC system. Our technician removed the old pump, installed a new unit, and verified that all connections were secure and leak-free. After testing the system, we confirmed the condensate is now draining correctly and the system is operating efficiently and safely. Another home ready for reliable heating and cooling performance. Performed a condensate pump replacement in Warminster, PA 18974 to restore proper drainage for the customer’s HVAC system. Our technician removed the old pump, installed a new unit, and verified that all connections were secure and leak-free. After testing the system, we confirmed the condensate is now draining correctly and the system is operating efficiently and safely. Another home ready for reliable heating and cooling performance.

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Dan . Job Checkin

Performed heating and air conditioning repair service for Zoey in Doylestown, PA 18901


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Dan . Job Checkin

Conducted a full gas furnace replacement today for a home in Philadelphia, PA 19130 that had previously been tagged by an inspector for serious safety issues. The original second-floor furnace had a cracked heat exchanger that was causing elevated carbon monoxide levels, and with no replacement parts available for that model, a full system swap was the only safe solution. We removed the old unit, reinstalled the existing evaporator coil properly, and set a new Goodman 60,000 BTU, 90+% efficiency furnace in place with updated venting, condensate tubing, fittings, and safety switches. After reconnecting the gas, electrical, and low-voltage controls, we performed full startup testing verifying CO levels, temperature rise, and gas pressure to ensure everything is operating safely and efficiently. The customer now has a fully compliant, reliable heating system backed by our 1-year labor warranty and a 5-year manufacturer parts warranty.

Conducted a full gas furnace replacement today for a home in Philadelphia, PA 19130 that had previously been tagged by an inspector for serious safety issues. The original second-floor furnace had a cracked heat exchanger that was causing elevated carbon monoxide levels, and with no replacement parts available for that model, a full system swap was the only safe solution. We removed the old unit, reinstalled the existing evaporator coil properly, and set a new Goodman 60,000 BTU, 90+% efficiency furnace in place with updated venting, condensate tubing, fittings, and safety switches. After reconnecting the gas, electrical, and low-voltage controls, we performed full startup testing verifying CO levels, temperature rise, and gas pressure to ensure everything is operating safely and efficiently. The customer now has a fully compliant, reliable heating system backed by our 1-year labor warranty and a 5-year manufacturer parts warranty. Conducted a full gas furnace replacement today for a home in Philadelphia, PA 19130 that had previously been tagged by an inspector for serious safety issues. The original second-floor furnace had a cracked heat exchanger that was causing elevated carbon monoxide levels, and with no replacement parts available for that model, a full system swap was the only safe solution. We removed the old unit, reinstalled the existing evaporator coil properly, and set a new Goodman 60,000 BTU, 90+% efficiency furnace in place with updated venting, condensate tubing, fittings, and safety switches. After reconnecting the gas, electrical, and low-voltage controls, we performed full startup testing verifying CO levels, temperature rise, and gas pressure to ensure everything is operating safely and efficiently. The customer now has a fully compliant, reliable heating system backed by our 1-year labor warranty and a 5-year manufacturer parts warranty.

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Dan . Job Checkin

Performed heating and air conditioning repair service for Casey in Philadelphia, PA 19122


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Dan . Job Checkin

Completed an evaporator coil and TXV replacement for a homeowner in Feasterville-Trevose, PA 19053. The existing Carrier air handler had a leaking coil that was causing low refrigerant levels and poor cooling performance. We removed the failed coil, installed a new manufacturer-approved replacement, and added a new TXV to improve refrigerant flow and system efficiency. We recovered the remaining refrigerant, pulled a deep vacuum to eliminate moisture and air from the refrigeration circuit, and recharged the system with fresh R-410A per Carrier specifications. After completing the installation, we inspected the system in both cooling and heating modes, confirming proper pressures, temperature splits, and full operational performance. The customer is backed with a 1-year labor warranty, and their system is now running reliably and efficiently for the upcoming season.


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Dan . Job Checkin

Conducted a repair at Lower Moreland Township, PA 19006, to perform the recommended blower motor replacement for the homeowner’s heating system. Our technician removed the failing motor, installed a new unit, and verified all electrical and control connections. We tested the system thoroughly, ensuring proper airflow, operation, and safety, and confirmed the thermostat was communicating correctly with the new motor. The heating system is now fully operational and ready for the season, giving the household reliable warmth and peace of mind.