Full Efficiency Heating And Cooling

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Carlos called me the next morning, and sent 2 technicians over. At several points during their stay, they were video call with Carlos discussing the situation. They found a solution and explained to me carefully what they were doing, what the next step is if this step would prove inefficient. Their price was reasonable. Carlos called me several days later to check on the system, and gave me additional advice. I would hire them again.

Full Efficiency heating and cooling has maintained my home AC and heating for many years. The reason why, I trusted my technician Carlos to install a new HVAC service at my new office in Waukegan. He is amazing, always listens to my concerns, educates me, and builds my trust. An amazing team, focused on delivering trusting customer service. A debt of gratitude to Full Efficiency heating and cooling.

I hired them to install new combined water heater/ boiler, install new water filtration system and service the ac units.Great service and knowledgeable of what theyâ re doing. Definitely will hire them again.

Excellent service

You absolutely need to hire these guys for whatever heating/cooling project is on your list. We had been ghosted by 4 HVAC companies in 9 months. Carlos Jr. called me at 9AM and by 4:30PM I not only did I have a working AC but I had an all new and upgraded unit. I am so impressed by their quick and QUALITY work. They were kind and understanding.

In the middle of the night on 2/2/22 during a snowstorm, my furnace went out. I texted Carlos at 7am, and by 10:30am he had replaced the blower motor, and I had heat. Besides that, my furnace is running more quietly than it's ever run before. Very impressive.

Very knowledgeable and extremely professional

I deal with the owner of the company very polite and professional person and I am strongly recommending

Helpful and friendly, they replaced my ac unit in less than 23hrs, from when I first called. Highly recommended,

Very clean installation. Carlos was knowledgable and made sure the job was done on time and properly

Carlos was puntual, worked neatly and did a very clean installation. He seemed knowledgable and competent. He got the job done on time and within my budget.

Carlos and crew arrived as scheduled, to replace a defective A/C unit that my former HVAC would not warranty. Full Efficiency is my new service technician.

I hired Full Efficiency to do the spring tune up for our central AC. Carlos arrived on time, wearing PPE, got to work right away with the spring tune up, and cleaned up after himself when he completed the job. He is a very professional, friendly man. We plan to have him back in the fall to prepare our furnace for the cold weather months!

They did a great job

We’ll thought out and executed. Will definitely be my first call for Hvac moving forward

The guys showed up on time and did a very professional installation. They did n't cut any corners on the parts that they provided and didn't overcharge for them. They definitely knew what they were doing and explained in detail everything they were doing. I will not only recommend them but will use them again for any HVAC work in the future. Neil R.

Their response to my Home Advisor request was fast. They arrived within an hour. They resolved my AC issue in under an hour. Extremely efficient. I would hire them again.

Their response for request was fast. They came to the check out what was needed that day. Schedule for the work was very timely and done very effeciently. Quite satisfied with their work, quality results. I highly recommend the company.

Carlos was such a lucky find. He arrived promptly for both the estimate and day of work. He was very deliberate and took his time assessing the situation, which quite frankly, was difficult to assess. His quote was a very fair price for the materials and hours of labor required to install additional insulation to our ducts. He also brought plenty of materials to carefully cover my furniture before work began. Most importantly, he was extremely patient while dealing with some frustrating building politics and insurance requirements. I will definitely call on Carlos in the future and recommend him to my personal network.

This is the place to go - all others told me I would have to pay at least $2,800 for a new compressor or up to $4,000 to get a new unit, all just to get my A/C working. Carlos took a few quick looks and sized this up at about $290 for some minor tweaking. Saved the day.

Showed up on time, cleaned up after work was complete, pricing was reasonable and overall just great customer service

I've been using Fuel Efficiency for a couple of years now. They are very experienced, professional and reasonable company. They are always very responsive to my requests and provide multiple solutions that address my needs and budget. I would recommend this company to my friends and family for all your HVAC needs, whether it be residential or commercial!

Honest, reasonable, timely & has done work for my family for 15 years. New HVAC unit recently completed. What can I say about Full Efficiency and Carlos? I have been using them for a decade and my entire family for longer. Carlos always puts the customer first, whatever it takes. As an example my HVAC unit had begun to drip & rust. Most companies would just call it normal conditions, and run. Not Carlos. He called the manufacturer and went to bat for me. A few weeks later I learned that Full Efficiency was able to convince the manufacturer to replace my unit at minimal cost. There are few if any companies that would have taken the time or even cared. Most in fact, would try to sell you a new unit. Again that's not the way Carlos works if you need a new HVAC unit he'll tell you. If all it needs is a repair, he'll tell you that too.