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"Service was prompt, professional and well done."

"I had a great experience with their HVAC services. They repaired my electrical baseboard heater quickly and made sure everything was working perfectly before leaving. The team was professional, punctual, and very knowledgeable. They also installed our new central A/C system smoothly with no issues at all. Communication was clear throughout the process, and the pricing was fair. Highly satisfied with the quality of work and customer service. I would definitely recommend them for any heating or cooling needs."

"Excellent! Serviced furnace and changed humidifier pad . Also cleaned hot water unit ."

At LSI repair we offer only the best and fair prices. We also specialize in heat treating furnaces but we cover a large array of services from residential to commercial from small to big.

"I got 5 quotes for a new furnace and AC in Uptown Chicago and TDH was the lowest and most responsive. Tim responded to my questions and got back to me over the weekend. I hired them and they installed the new units that week. His team was professional and did a great job and I would definitely hire them again."

"This is my third time using VACS, they do a great job. Called on Thursday afternoon, was able to get an appointment early Friday. Cleaned out vent from dryer to wall and from wall out to outside vent, as well as interior of lint trap in dryer. Very thorough and professional and reasonable price. Would highly recommend."

"I purchased an Angie's List Big Deal special offer for this service and it went fine. It was my first time using this service and nothing particular stood out; it was about what I expected."

Cost is determined by the job.

"Excellent service, very fast response to my request for service, picked up laptop, diagnosed issues. Initially thought it was an OS update issue but the hard drive had failed along with other components (including 'CPU). Because other components were involved, a new solid state hard drive was put into a laptop with a working processor - same type CPU as in the failed unit. The laptop was repaired and returned in less than a week. This company picked up and dropped off the laptop (driving from Huntsville, AL (about 60-70 minutes)-- great service in this covid environment. I would recommend this company to my family./friends and will use again."

"Service was professional and efficient. I only scheduled air duct cleaning and asked to add on dryer vent cleaning halfway through the service: no problem to add on. I called the home office and paid for the additional service over the phone, very easy."