High-efficiency gas furnace installed in a residential utility closet with PVC venting

Furnaces, boilers & heat pumps

Heat that holds through a Chicago winter

When the wind comes off the lake, your furnace is the only thing standing between your family and a 10-degree night. We install, repair and maintain residential heating systems built to run hard for years — not just until the next cold snap.

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What we service

Everything under this roof, handled by one crew.

Gas furnace installation & replacement
Furnace repair and no-heat diagnostics
Boiler service and radiator heat
Heat pumps and ductless heating
Thermostat upgrades and zoning
Annual tune-ups and safety inspections

If your furnace is short-cycling, blowing cold air, tripping the limit switch or filling the house with dry, uneven heat, we find the actual cause — cracked heat exchanger, failing igniter, blocked flue, undersized return — and we tell you plainly what it costs to fix versus replace.

Our priority is simple: get the heat back on fast, keep it running safely, and give you a system that does not surprise you in February.

High-efficiency gas furnace with PVC intake and exhaust in a residential closet

High-efficiency furnace install

Call us when you notice this

Six warnings a furnace gives before it quits.

Almost every no-heat call in January was preventable in October. These are the signs worth a phone call while it is still a repair and not an emergency replacement.

Cold air from the vents

A furnace blowing room-temperature air is usually a failed igniter, flame sensor or gas valve. It is a common repair — and a fast one if you catch it early.

It starts, then shuts off

Short cycling on the limit switch means the unit is overheating: restricted airflow, a dirty filter, a blocked return or a failing blower. Left alone it cracks heat exchangers.

Banging, booming or scraping

A boom at ignition means delayed gas ignition. Scraping means the blower wheel is hitting the housing. Neither is background noise you should live with.

Rooms that never catch up

Uneven heat is usually a duct or envelope problem, not a furnace problem. We check both so you are not replacing equipment that was never the cause.

A yellow burner flame

Burners should run steady blue. Yellow or flickering points to incomplete combustion — a safety issue that gets inspected the same day.

Rising gas bills, same thermostat

When usage climbs without a weather reason, the system is losing efficiency or the house is losing air. We measure both before recommending anything.

Furnace installation & replacement

A furnace sized for your house, vented right, installed once.

A furnace that is too large heats in short bursts, leaves cold pockets and burns out its heat exchanger years early. Chicago is full of them, because oversizing is the fast way to sell equipment.

We calculate heat loss for the actual building, size the equipment to it, and confirm the duct system can carry the air. Then we verify temperature rise and static pressure at start-up, because an install is not finished until the numbers say it is.

Heat loss calculation before selecting equipment
High-efficiency condensing and standard models
Correct venting, condensate and combustion air
Duct and return capacity checked, not assumed
Old unit hauled away, area left clean
Temperature rise and static pressure verified

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High-efficiency gas furnace installed in a residential utility closet with PVC intake and exhaust

No heat & emergency repair

When the heat goes out, hours matter.

A Chicago house without heat starts losing envelope temperature fast, and frozen pipes turn a service call into a restoration project. No-heat calls go to the front of our schedule.

The technician tears down the unit far enough to actually see the problem — burners, igniter, flame sensor, gas valve, inducer, control board, blower — and shows you what failed before quoting the fix.

Same-day no-heat response
Igniter, flame sensor and gas valve failures
Control board and inducer motor faults
Blower motor and capacitor replacement
Heat exchanger and safety inspection
Repair cost and replacement cost, side by side

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Furnace opened for service showing the blower, gas valve and control board

Ductwork & airflow

Great equipment on bad ductwork is still a cold house.

Half the comfort complaints we see are duct problems wearing a furnace costume: undersized returns, crushed flex, disconnected runs in the attic, and leakage that dumps conditioned air into unconditioned space.

We measure static pressure, find the restrictions, and repair or rebuild what is choking the system. In finished spaces we run clean spiral trunk lines that look intentional instead of improvised.

Static pressure and airflow testing
Return air capacity corrections
Duct sealing and insulation in attics
Spiral and rigid trunk line installation
Register and grille placement
Zoning for stubborn floors and rooms

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Round spiral supply duct with a grille running across a finished ceiling

Attic & tight-space systems

Equipment in the attic needs a different standard.

Attic air handlers live in the harshest space in the house: unconditioned, dusty, and hard to reach. Anything installed carelessly up there turns into a ceiling stain within a few winters.

We insulate and seal every plenum joint, secure and support the duct properly, and set up drainage and a secondary pan so a condensate problem never becomes a drywall problem.