5 HVAC Service Contractors in Round Lake, IL

4.9 avg rating
2,646 total reviews3 offer 24/7 service
AC Repair(5)HVAC Service(5)

Top-Rated HVAC Service Contractors in Round Lake

#1

Duane Blanton Round Lake

4.7(2,430 reviews)
24/7

Six of eight sampled reviewers explicitly mention same-day or next-day service response, with four highlighting emergency calls handled outside normal business…

600 W Long Lake Dr, Round Lake, IL 60073
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#2

A Right Price Plumbing & Sewer Company Inc.

5.0(155 reviews)
24/7 Highly Rated

Every reviewer awarded 5 stars, with Jordan or his team named directly in 6 of 8 sampled reviews. Fair pricing appears as a recurring theme across positive…

34039 Hainesville Rd, Round Lake, IL 60073
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#3

Biermann Heating & Air Conditioning

4.9(45 reviews)
24/7

Forty-five reviewers award the company a near-perfect 4.9 average rating. Six detailed reviews consistently mention emergency same-day response, after-hours…

24405 W Lake Shore Dr, Round Lake, IL 60073
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All HVAC Service Contractors (5 total)

J.conejo's Heating & Cooling

5.0(15)

Eight customer reviews consistently highlight honest assessments and fair pricing, with three explicitly…

34241 Harrison Ave, Round Lake, IL 60073
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Azteca Mechanical & Electrical Services

5.0(1)
314 W Nippersink Rd Apt A, Round Lake, IL 60073
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HVAC Service Costs in Round Lake

General HVAC service pricing across maintenance, repair, and installation in Round Lake.

ServiceLowAverageHigh
Service call / diagnostic
$81$130$216
Routine tune-up (single system)
$76$135$216
Standard repair (avg)
$162$648$1,296
Major repair (compressor, heat exchanger)
$1,620$2,700$3,780
New system installation (mid-range)
$7,020$11,340$15,120
Full HVAC replacement
AC + furnace combined
$12,517$14,504$15,228

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

HVAC Service in Round Lake, IL: What to Expect

Living near Round Lake means bracing for brutal Chicago winters where temperatures dip to 18 F and lake-effect winds cut through to the bone, while summers push toward 84 degrees with that sticky Midwest humidity layered on top. Here in this suburban pocket tucked north of the metro core, heating isn't a luxury, it is a survival matter, which explains why furnace reliability ranks as the single most critical system concern for most homeowners in the area. Five contractors compete for this demand, and between them they carry a collective 4.9 average rating drawn from more than twenty-six hundred reviews, meaning residents genuinely have solid options when hunting for professional help.

When the furnace does fail or a summer heat wave hits, service costs in this market tend to follow predictable bands. A standard service call and diagnostic runs between $81 and $216, while a routine tune-up on a single system typically lands in the $76 to $216 range. Emergency or complex repairs naturally climb higher, often between $162 and $1,296 depending on what the system demands. Illinois does not require a statewide HVAC license, so contractors operate under local municipal regs instead, which makes verifying a company's standing with your township building department a worthwhile first step before signing anything.

Reading through verified customer feedback from the area paints a clear picture. Jordan and his crew at Right Price Plumbing & Sewer Company show up constantly in reviews, earning straight five stars alongside mentions of fair pricing that customers contrast against estimates they received elsewhere. Meanwhile, Duane Blanton's crew earns praise specifically for same-day and next-day turnaround, with multiple reviewers noting emergency calls handled well outside regular hours, a pattern that resonates deeply for anyone staring at a dead furnace at midnight.

Frequently Asked Questions

HVAC service pricing in Round Lake ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.