My sister recommended Delfera to me as a reliable, state of the art Company. I was not disappointed; Delfera installed a new heater and water heater for me in one day. The technicians were expert in their knowledge and advised me every …

Quick service.

Polite and helpful office staff.

Installers were respectful of home...used tarps, cleaned up work area.

Heater and air conditioner were installed in ONE day.

Is it possible to love your HVAC-supplier/plumber? Heck yes. We’ve used Delfera on two different houses. Most recently we’ve replaced central AC, furnace and water heater over the course of 2018. These guys are ALWAYS courteous, punctual, …

My wife and I hired Delfera to install a heater and air conditioner. They were amazing. The whole process was super easy and smooth. Te technicians who did the install were very professional, and we bonded over 90's video game music. I …

Ray was our technician. Very polite and professional. Got our heater going in less than one hour. Explained everything in detail. Highly recommended.

We realized we had a problem with our heat last week. Found out our system was from the original build of the house and was finished. Salesman (Bob) was out Monday and new system installed today. Very quick professional service. …

I have worked with Delfera Heating & Cooling for many years representing HVAC equipment this company installs. The staff and technicians are all well trained in the industry and keep up on the technology that continues to allow them to do …

We have used Delfera for about 20+ years now, not only for heating and cooling but most recently for a new hot water heater. Ray and his team have the best customer service around and are always prompt, professional and courteous! We …

Great company! My heater broke down earlier this year and they were out within the hour! Scheduling maintenance service is within a week or two, not months like other companies.

Great and fast service. They gave a possible quote on the phone while others only pushed a yearly membership for a very simple fix. Tech was professional and politely declined play doh from kids for payment. Will use them again.

Thank you Delfera & Co. for a j ob well done. We will recommend you to all our friends & neighbors!

My wife and i called Delfera on Tuesday and they came to our house on Wednesday and they were very professional. Rich and Ray explained to us the problem and fixed it as they walked us through. We were definitely very happy with them.

Just had an annual check up on my broiler & Ray's guys were excellent, fast & professional. I'd recommend them highly.

My husband and I were in the market for a new heating/cooling system and my brother recently had Delfera do their system. They came highly recommended and they didn't disappoint. The service was excellent, I can't say enough about the …

Had to be the best, The men did a great job and check this out NO mess Ya.

Great service used them for years.

Delfera repaired our old AC unit a couple of times in the past and we were happy with the responsiveness of their office and techs. Early this summer the compressor failed, and given the system was by now 20 years old (10 with us) and …

After 31 summers of using a window fan and window AC units, in August we pursued Central AC. We were very apprehensive because with baseboard heat we would need to have ducts installed. I e-mailed Delfera and set up an appointment. The next…

I have been using Delfera for several years, not only for maintenance of my HVAC systems but also for repair and replacement services. Always prompt courteous service and fair prices. I highly recommend this company.

The Delfera team, from customer service to the technician was friendly and responsive!

Let’s be honest most times you call them it’s because your heat or AC stopping working.

I called them, within 5 minutes they had me scheduled. Then the …

The Delfera workers are always professional and friendly. They are able to give suggestions on how to better care for your equipment without making you feel as if they are trying to get you for money

Sometimes I feel like contractors come in and try to make a job bigger than necessary, This is the 3rd time I have dealt with Delfera and never once did I get that feeling. Courteous, explains(in plain language) exactly what is wrong, good …

I would highly recommend DelFera to anyone. Ray literally just got done fixing our AC after only giving DelFera a call about an hour and a half ago about an issue with our AC. Was happy to get it done fast and right! Thank you for helping …

I would recommend Delfera to my own family. Honorable. Treat customers like family. Dedicated. I think Delaware County is lucky to have a business like theirs.

We just moved to the area and Delfera installed a return air system in the 3rd floor. We got two estimates and they were the less expensive option and also quicker to schedule the work. They did a great job and will be my first call in the …

Air conditioner finally went and needed a solution quick. I contacted several companies but Delfera was by far the most accommodating and easy to work with. Not only were they extremely quick to respond, their entire staff was friendly and …

The tech that came out was friendly, polite, and did what he came to do. My only complaint was I had to wait several weeks for an appointment, but I also waited longer than I should have to call.

I would recommend Delfera to everyone!

Best qualities include:

-Quality customer service

– Competitive prices

– Family run business, so not treated like

a number!

– Amazing quality guaranteed work!

I have not been …

At first I had no intentions on going with a well known named business in the area because usually its very costly, I sure am glad I decided not to go with a private/side job person because Delfera was amazing from the start to finish. I am…

Awesome job, absolute. pleasure to do business with Ray. Central air died in the middle of heatwave. His team arrived first thing in the morning they were fast, friendly, efficient and courteous. Thanks so much for your help definitely …

Fast professional service. Ready for summers heat. Thank You!

The team who installed my new ac and heater were fantastic. Thank you

Extremely satisfied with the tech who came to our home to check our central air unit. He was very prompt, knowledgeable and nice. We are under contract and was expecting Delfera would call us when they were coming, and they didn't. We …

Very professional and thorough. The technicians replaced my central air cond & heater all in one day, removing the old units. The new central air is energy efficient, quiet, and keeps my house cool. Yes, I would recommend Delfera to anyone …

Highly recommend

I used Delfera recently to install 4 ductless split air conditioner/heaters to a second floor apartment that I own. Owner Ray showed up on time and met with me to explain all my options in detail. He also answered all my questions and …

We had them install new A/c and heater and could not be happier. The technicians were polite, answered all my questions and treated my home as if it was their own. I would recommend Delfera to anyone looking for HVAC services. Thanks guys

Delfera just installed a new heating/air conditioning unit in my third floor condo at Hilltop Condominiums in Brookhaven, PA. They were so efficient, kind, caring & FAST! The technicians were absolutely awesome! Friendly, knowledgeable and …

It is rare that you fine a company that does exactly what they promise, when they promise it and sends someone to check up on the work. The new system is working great. They did all of it on the holiday weekend.

Ive used DelFera for both my HVAC and water heater. Recently, I had a major problem with my AC and they took great care of me going above and beyond what anyone else would do. Ive known Ray for many years and he's a guy who always does the …

Awesome! They were able to come the same day and fix our ac. I signed up for the annual maintenance contract too. They didn’t push us just recommended.

On time, efficient and fit me in right away on a Saturday despite the rain. Even got a box of chocolate covered pretzels as a thank you! Will definitely recommend.

I've been using Delfera at my rental properties in Delaware and Chester Counties for years now. They've always provided professional and quality service; I couldn't be happier!

Outstanding customer service from sales through installation. Reasonable pricing and great guidance on equipment and approaches. Team of 4 guys for upstairs AC install were friendly, on time, courteous and CLEAN. Couldn't be happier!

Outstanding customer service from sales through implementation. Reasonable pricing and great guidance on equipment and approaches. Team of 4 guys for upstairs AC install were friendly, on time, courteous and CLEAN. Couldn't be happier!

Absolutely great! I highly recommend Delfera, the employee's were professional and accomodating. This company is the best choice if you are in need of any HVAC need!

Delfera has been my heating company for years. They have always been courteous, punctual and neat. Recently it was finally time to replace my aging furnace. As usual, they arrived when they said they would be there, took the trouble to …

Extremely professional experienced workers. Have used Delfera Heating and Cooling for nearly 20 years with only great experiences. Would highly recommend them to anyone who needs heating and air conditioning work done.

Thank you. A wonderful job tackling my behind a wall oil tank. Efficient, proficient and informative. Awesome and well done. Highly recommended.

Ray was on time, very nice and did a great job. I would highly recommend them anyone.

Professional!!!!!

It is the best for heating, air-conditioning. I would recommend. Everyone is very professional, and knowledgeable,

I would give all of them more than 5 stars

Delfera was by far the best company we've dealt with for heating. They were on time and very clean about the job. We needed them one time before the replacement to keep us going until the winter was over and they were amazing then also. I'…

Top notch company. See my five star review on Yelp

We have been using Delfera since Ray started (long ago),he is very honest, very knowledgeable. Ray Jr., Dave, Pat went above & beyond installing the new units. very professional, explained all about the new unit. Cleaned up when finished. …

Super fast and thorough.

Delfera replaced my 60 year old oil furnace in about 5 hours. They were very professional, on-time, and worked on my schedule. Two of the larger, well-advertised companies couldn't fit me into their schedule, and offered much higher …

The DelFera staff were a amazing, from the call to the service. They were able to explain the problem, work on the solution, and give a fair price. We originally thought it was a simple issue, but was much bigger. We were told it would …

Good service.

Have had great service from Delfera. The service persons have been great and very friendly. Love the office staff – always cheerful and helpful. Prices have been comparable to other places. Local business so Its nice to be able to support …

New heater and a/c put in when heater died at Christmas time. They came and installed new heater within 3 days. I have used Delfera for years. Always reliable and excellent work. They are also all very nice people.

Excellent Service on Hot Water Heater Installation. Thank you.

This company is amazing. My heater was having problems in the middle of the night and I called them and they answered right away. They were able to send a technician out at 2 a.m. in the morning to fix the problem. I am so thankful.

Wanted to thank you all for the fantastic work you did for us in an emergency situation. We are nice and warm for the holidays. Merry Christmas and a very healthy happy New Year.

Amy and John Skwirut

We have used Delfera for years for all kinds of service. Ray is very professional, knowledgeable, thorough, and reasonably priced. He goes above and beyond for customers which is why we refer folks to him on a regular basis. His technicians…

They came on time answered any questions that we had. Very professional. Cleaned up everything. Would recommend DelFera They are very accommodating to all scheduleing needs

Called them about a problem with my heater they directed me on the phone what to do, to fix the problem. Thanks Delfera! <3

I wish I could give more than 5 stars...Delfera was amazing! I'm not even sure where to begin. We were without heat for a month until Ray Sr. stepped into our lives with a deal that was too good to be true. Everyone that we had contact …

What an unbelievable company! Everyone was so knowledgeable, friendly & down to earth. Made a very stressful situation MUCH easier for my family. I can't thank them enough for their helpfulness. I highly recommend them for your heating & …

I had three big name companies come to my home and give me a quote that was outrageous. Then someone recommended Delfera Heating to me. When the owner came to my house not only did he give me a reasonable quote that I could afford, but he …

Delfera is a great company to deal with. During a routine heater tune up yesterday we found out it was cracked and unsafe and could not be used anymore. Two days before thanksgiving! Delfera juggled their schedule and put a new heater in …

The best company I have ever worked with. Everyone from the office staff, to the technicians to the owner are great, friendly and caring people. Look no further, you won't find a more caring company who excels in all that they do.

Always a pleasure dealing with Ray and all of his employees.

We just had a new heating and central air unit installed and everything went flawlessly and the crew and customer service from the owner, the install team to the ladies on the phone were amazing!!!!!

We just had a new heating and central air unit installed and everything went flawlessly and the crew and customer service from the owner, the install team to the ladies on the phone were amazing!!!!!

The guys came out to tune up my heater. They were on time, they did a very thorough job, were very clean. I was pleased with the service.

I was looking to replace my heater, A/C unit and water heater and wound up going with Delfera. Best decision I made. They were the best out there in cost, financing, friendly people and they did the job in less than 2 days. Incredible!!

…

They were on time, evaluated the situation and corrected the problem. The gentlemen we considerate and researched the system prior to making recommendation. Thanks for getting us up and running!

20 yrs. of the best service available.

We chose Delfera for a new Trane heat pump and air handler. We are very happy with all aspects of the work--estimate, hardware, and installation. Our house is noticeably more comfortable with the new system. Ray was very helpful in …

Extremely satisfied with knowledge and professionality of all the employees we have interacted with from owner and office staff to installers and service technicians. HIGHLY RECOMMENDED!

Delfera Heating & Cooling is our go-to company for all our HVAC needs. They recently installed an A/C unit. Techs were courteous, considerate, showed up as scheduled on time, and got the job done in no time. As a Realtor I always recommend …

They did a great job installing my new heater and hot water heater. Thank you Dave, Andrew, and Kurt.

I always have great service from Delfera. The two guys that came to service my school unit were great friendly and understanding.

Delfera has always been professional and performed excellent work. They have been very accommodating with scheduling. I prefer to give my business to local owned agencies. Delfera has been exceptional when it comes to addressing any heating…

Delfera always has given us great service and the employees always keep you informed and make sure you are happy before leaving! If you need a heating & cooling company make them your 1st call !!

Thank you to the team at Delfera Heating & Cooling Co. in Aston, PA. They are courteous, friendly, clean and offer great pricing and financing options. They worked with us to help us get what required when our A/C bit the dust. …

Don't waste your time trying to figure out who to call for heating and air conditioning repair and replacement. DelFera Heating & Cooling is, hands down, the best in the business. One of the great advantages is that they're local. You'll …

Technicians did a terrific job installing new water heater. They arrived on the scheduled time, and worked very diligently on an extremely hot day. They always were very courteous.

On time., performed tune up, told me everything he did and showed me the operating pressures which were within specification. Technician was knowledge and friendly.

Great service, competitive price, showed up the day of the installation on time used tarps cleaned up and removed the old unit, installed, tested and cleaned up in 1 day. Would recommend this company highly. I worked in the same industry …

Great job , gave good information.

I'm very satisfied

07/01/2017

Contacted DELFERA for an estimate and Ray came out Thursday [6/22]. The work began Monday, and was completed Thursday eve. My older system ( circa 1960's) was BIG, OLD, and LOUD, and It took a full day just to get the entire …

Thank you Delfera heating & cooling co. for your quick and reliable & quality service!

Great Great &Great service Thank you

I felt very confident with the expertise and service of this company ! I would recommend without hesitation!

Everyone that we had contact with was wonderful. They were accommodating, quick, efficient, and polite. We had to replace our whole unit and they made this expensive purchase a little less painful! Thank you for everything!

My hot water heater needed to be replaced last week. I called DelFera's Heating & Cooling and they came out the same day to install the hot water heater. I didn't expect such prompt, professional service. My heater and air conditioner unit …

They have been professional throughout.

I love that you call to remind me that I am due for a service. Your technicians are always so polite and professional. They are respectful of my home, always wearing protective covers on their shoes. They are prompt and friendly. I love …