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What we do

One crew for the four systems that break.

Heat, cooling, water and power. Most homes need all four eventually, and calling four different companies is how small problems turn into scheduling projects.

4.8 from 360 Google reviews Appointment availability confirmed by the office Job-specific estimate after diagnosis Mon-Fri 8:00-17:00
Technician tools laid out
4.8
360Google reviews
Heating repair based on a clear diagnosis.
Heating

Heating repair based on a clear diagnosis.

Furnace repair, replacement and heat pumps. Boiler installation and replacement are available. Heating-boiler repairs are limited to systems installed by Frolkin within the first year. The office confirms warranty eligibility.

See heating details

AC installation and first-year warranty repairs.
Cooling

AC installation and first-year warranty repairs.

New AC installation and right-sized replacements. AC repairs are limited to systems installed by Frolkin within the first year. The office confirms warranty eligibility.

See cooling details

Water heater repair based on a clear diagnosis.
Water heaters

Water heater repair based on a clear diagnosis.

Repair or replacement, tank or tankless. A technician evaluates the unit and provides a job-specific estimate before approved work begins.

See water heaters details

We find the cause, not just the puddle.
Plumbing

We find the cause, not just the puddle.

Drains, sewer lines, sump pumps and leaks. A technician diagnoses the problem and provides a job-specific estimate before approved work begins.

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Hydro jetting for recurring drain and sewer problems.
Sewer & drain cleaning

Hydro jetting for recurring drain and sewer problems.

Hydro jetting uses high-pressure water to help remove grease, sludge and other buildup from drain and sewer lines. A technician may recommend camera inspection after reviewing the line. The office confirms coverage for each address.

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Electrical work explained before it begins.
Electrical

Electrical work explained before it begins.

Panel upgrades, EV chargers, dead outlets and wiring. The technician diagnoses the issue and explains the recommended scope before approved work begins.

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Air that actually feels clean.
Indoor air quality

Air that actually feels clean.

Duct cleaning, filtration and humidity control for houses where somebody has allergies, a newborn, or both.

See air quality details

Request a visit

Tell us what’s wrong. The office will confirm availability.

Call during office hours or send a request. The office confirms coverage and appointment availability.

(224) 758-0005

Serving Chicago’s north and northwest suburbs
Mon-Fri 8:00-17:00

By submitting, you agree that Frolkin & Sons may call or text you about this request. No marketing. Msg & data rates may apply. Reply STOP to opt out, HELP for help. See our Privacy Policy.

How we price

A job-specific estimate follows diagnosis.

The office confirms any diagnostic fee. After diagnosis, the technician provides a job-specific estimate before approved work begins.

4.8Average Google rating across 360 reviews
50Service calls on an average weekday
20Years serving the north and northwest suburbs
M-FOffice hours, 8:00-17:00
4.8 360 reviews on our Google Business Profile
Read them on Google
Request service

Still deciding? Call and ask.

Tell us what the system is doing. The office will confirm coverage and availability.

(224) 758-0005

Serving Chicago’s north and northwest suburbs
Mon-Fri 8:00-17:00
Appointment availability confirmed by the office

By submitting, you agree that Frolkin & Sons may call or text you about this request. No marketing. Msg & data rates may apply. Reply STOP to opt out, HELP for help. See our Privacy Policy.

Call now — (224) 758-0005