Boiler Maintenance Chicago, IL | Steam & Hot Water Tune-Ups
Steam and Hot Water Boiler Tune-Ups — Before Winter, Not During It
Chicago runs on boilers more than almost any other American city. The bungalows, two-flats, and vintage apartment buildings across the city are heated by steam and hot water systems, many of them decades old and still going — precisely because boilers, when maintained, are some of the longest-lived heating equipment made. The ones that fail mid-January almost always failed because no one serviced them.
At Tabor’s Complete Comfort Mechanical, we provide complete annual boiler maintenance across Chicago for both steam and hot water (hydronic) systems. A yearly tune-up keeps your boiler running safely and efficiently, catches the small problems that turn into no-heat emergencies, and gives an aging system its best shot at another winter.
📞 Call (773) 715-3860 or Book Online to schedule your boiler tune-up.
Certified Chicago HVAC Experts You Can Trust






Is This Service Right for You?
Book a boiler maintenance visit if:
- Your boiler hasn’t been serviced in the past year
- Heating season is approaching and you want the system verified before you need it
- You hear banging, knocking, or gurgling when the system runs (steam systems especially)
- Some radiators heat unevenly or not at all
- The boiler is short-cycling — firing and shutting off frequently
- Your heating bills have crept up without a change in usage
- You’ve got an older boiler and want an honest read on how much life it has left
If your boiler is already down — no heat, leaking, or throwing error codes — you need boiler repair instead, and in a Chicago winter that’s a call to make now, not later.
Steam vs Hot Water Boilers: They’re Not Maintained the Same Way
This is where most maintenance gets done wrong or incompletely. Chicago has both types in large numbers, and they need different service.
Steam boilers: heat water to steam, which rises through the pipes to the radiators on its own. They’re common in older Chicago buildings. Their maintenance is specific: the low-water cutoff must be tested and flushed, the sight glass checked and cleaned, the system skimmed to remove oil and surface contaminants that cause surging, and the water line verified. A steam boiler running low on water with a failed low-water cutoff is a genuine safety hazard — this is the single most important safety device on the system.
Hot water (hydronic) boilers: circulate heated water through the system using a pump, then back to the boiler to reheat. Their maintenance focuses on the circulator pump, expansion tank, system pressure, air removal (bleeding), and checking the water for the corrosion and deposits that build up in a closed loop over time.
When we service your boiler, we service it as the type it actually is — not a generic once-over that misses what matters for your system.
What’s Included in a Tabor’s Boiler Tune-Up
Every annual boiler maintenance visit covers the safety, efficiency, and reliability of the system:
Why Annual Boiler Maintenance Matters More in Chicago
The season is long and brutal: A Chicago heating season runs roughly October through April — your boiler works hard for half the year. Entering that stretch with an unverified system is the leading cause of no-heat emergencies.
Idle summers cause problems: Boilers sit unused all summer, and problems often develop during that idle period — seals dry out, minor corrosion sets in, sediment settles. That’s exactly why a pre-season tune-up matters: it catches what changed over the summer before you’re relying on the system.
Chicago’s boilers are old: A large share of the city’s boilers are 20, 30, even 40 years old. Well-maintained boilers can genuinely last that long — but only with the maintenance. An aging boiler that’s serviced annually is reliable; an aging boiler that’s neglected is a mid-winter failure waiting to happen.
Safety: Boiler safety controls exist for a reason, and they only protect you if they work. Annual testing of the low-water cutoff, pressure relief valve, and venting is what keeps a boiler a comfortable heat source rather than a hazard.
The Best Time to Book Is Late Summer or Early Fall
The ideal window for boiler maintenance is late summer through early fall, before the first cold snap, when you want the system verified and ready rather than discovering a problem the first night you need heat.
Booking pre-season also means shorter waits than the peak of winter, when every heating call in the city is competing for the same technicians.
That said, if your boiler hasn’t been serviced and it’s already winter, a tune-up is still worth doing — a mid-season service still catches problems before they become failures.

our clients
Client testimonials

working with us
Why choose us
Customer-First Approach
We prioritize your comfort, satisfaction, and peace of mind.
Experienced Technicians
Over 21+ years of trusted HVAC repair and installation.
Fast & Reliable Response
Always on time with same-day and emergency service.
Licensed & Insured Experts
Certified, bonded, and fully insured for your safety.
Honest & Upfront Pricing
Transparent estimates with no hidden costs or surprises.
Book Your Boiler Maintenance in Chicago
A boiler tune-up costs a fraction of an emergency repair — and far less than being without heat during a Chicago cold snap while you wait for a part. If yours hasn’t been serviced this year, get it on the schedule before the season turns.Call (773) 715-3860 or request a service online.
































