Next Generation Heating & Cooling

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Claim This BusinessAbout Next Generation Heating & Cooling
Next Generation Heating & Cooling has earned its reputation as a trusted name in Buffalo Grove's HVAC landscape, delivering round-the-clock heating and cooling solutions to homeowners across the village and surrounding Lake County communities. With a perfect 5.0-star rating accumulated across 289 client reviews, the company has built a track record rooted in same-day emergency response and transparent service, no surprises in pricing or scope. Owner-operated and fully licensed, the team handles everything from routine seasonal tune-ups to complete system replacements, treating each home as a custom project rather than a production line ticket.
What distinguishes Next Generation from neighboring contractors is their commitment to solving problems that other technicians walk away from. Reviewers repeatedly highlight Vitaliy's troubleshooting mastery, the kind of diagnostic skill that uncovers root causes others miss, whether it's a furnace refusing to ignite or an aging system that demands creative temp solutions until replacement parts arrive. The company's 24-hour availability means a frozen January evening receives the same urgency as an August cooling crisis, and their policy against overcharging ensures emergency calls don't become financial emergencies.
Homeowners recounting their experiences paint a picture of responsiveness that borders on remarkable. When Lichen Chen's furnace failed on the coldest day of winter with subzero temperatures outside, Vitaliy arrived on schedule, identified the failure point, and rigged a temporary fix so the family could sleep warm that night, not returning until morning with the proper part. For Neman Khan, whose furnace failed on a holiday weekend, the same-day arrival meant avoiding a night without heat entirely. Sandra LeBeau's thermostat issue resolved in under 24 hours from her afternoon call, a timeline she describes as nearly impossible given typical contractor lead times.
What Customers Say
Every reviewer awards 5 stars, with 4 of 6 reviewer accounts explicitly mentioning same-day or within-hours emergency response. Two reviewers specifically note problems that other contractors could not solve, and pricing appears only once, as reasonable.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Furnace Installation & Replacement
Complete heating system installation using trusted equipment brands, with transparent quoting and professional setup lasting hours, not days.
AC Installation & Replacement
Cooling system new installs and upgrades with efficient turnaround and post-installation guidance on system operation.
Heating Repair & Maintenance
Diagnosing ignition failures, flame sensor issues, and burner malfunctions requiring part orders and temporary solutions.
Cooling Repair & Maintenance
Resolving AC failures including refrigerant issues, compressor problems, and thermostat-related breakdowns.
Emergency HVAC Service
Round-the-clock response for heating and cooling emergencies with same-day arrival, available weekends and holidays.