Get matched with top nest installation pros in Olympia Fields, IL

"Daniel did a good job, cleaned up after finishing. I will hire him again when work is needed."

"Frostcore made contact with me immediately and we scheduled a same day appt. due to my AC Blower which had stopped working. It is a very hot and humid day and Sami and his business partner explained throughly what repairs were needed to get my AC unit working again. They gave me a fair estimate and final price and I intend to give Frostcore my repeat business. They were both very knowledgeable friendly and pleasant to work with and I welcome them as my future cooling and heating pros. Thank you."

"Very friendly and knowledgeable, will definitely use their services again!"

R-N-J Construction, has a single mission, which is to achieve complete customer satisfaction! We strongly believe in giving our customers the most for their money. We work with only the highest quality materials and experienced professionals. With over 20 years of experience, we have consistently focused on the needs of our customers, providing personalized attention and a stress free experience. This approach has set us apart from our competition and keep our customers coming back! Give us a call today!

Hello. My name is Kevin and I’m looking to take on a bit more workload. My work stands for itself in regards to care/quality/commitment. Thank you.

"Fast install. Completed in one day. Included a free post install duct cleaning."

Electrical professional with 20 years of hands-on experience in residential, commercial, and heavy industrial electrical construction. Raised in a family-owned electrical company that grew from a 10-person shop to a 500-electrician operation serving projects nationwide and internationally.\n\nExtensive field experience across high-demand environments including power plants, steel mills, paper mills, chemical plants, oil refineries, coal mines, Air Products facilities, and large food manufacturing plants.\n\nHighly skilled in:\n • Low-voltage systems, fire alarm, controls, and automation\n • Medium-voltage installations and power distribution\n • Underground services and excavation coordination\n • Bucket truck and service work\n • Smart home and modern electrical systems\n • Residential, commercial, and industrial construction from ground-up to retrofit\n\nCertifications & Credentials:\n • Chicago Licensed Electrician\n • OSHA 10 & OSHA 30\n • MSHA Certified\n • CPR Certified\n • NCCER Certified\n\n

CAMT-certified maintenance professional with 20+ years of building maintenance experience. Known for being talented, focused, and results-driven with a strong commitment to quality work and property upkeep.

With over ten years of residential maintenance, I am committed to ensuring that apartment complexes, townhouses, or housing communities are safe, functional, and aesthetically pleasing.

We provide a full range of HVAC services, including installation, repair, maintenance, and system replacements. Our experienced technicians ensure reliable and efficient heating, ventilation, and air conditioning solutions for residential and commercial properties.