Heating, Cooling, Plumbing & Electrical in Alton, IL

From Victorian homes on Christian Hill to houses across Upper Alton, your neighbors at GRP|WEGMAN keep Alton homes running.

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24/7 Service

Flat-Rate Pricing

Union-Trained Techs

Locally Owned

Your Neighbors in Alton

Alton is one of the oldest cities in Illinois, and its historic homes are still lived in and loved. Christian Hill’s Victorians sit high on the bluff, Middletown has hundreds of older homes around Henry Street and East 12th, and Upper Alton grew up around the old Western Military Academy. Many were built long before ductwork, central air, or modern plumbing.

That means an Alton home often needs a different approach. Boiler heat, plaster walls, and original sewer lines call for techs who take the time to understand what you have. GRP|WEGMAN brings union-trained techs, honest flat-rate pricing, and a phone answered 24/7, backed by more than 70 years in the Metro East.

Home Services in Alton

Heating, cooling, plumbing, and electrical, all from one local team.

GRP|WEGMAN technician testing the wiring inside a home furnace with a meter

Furnace & Boilers

Repairs, replacements, and fall tune-ups for forced air and boiler heat.

Heating Services

GRP|WEGMAN technician checking an outdoor AC unit with refrigerant gauges and a multimeter.

Air Conditioning

Fast AC repair and honest advice on when it’s time to replace.

Air Conditioning

Plumbing

Leaks, fixtures, and repairs done right the first time.

Plumbing

Water Heaters

Tank, tankless, and heat pump water heaters, repaired or replaced.

Water Heaters

GRP|WEGMAN technician carrying a tool bag up a home’s front walk, with a company service truck in the driveway

Drains & Sewer Lines

Clogged drains cleared and older sewer lines inspected.

Drain Cleaning

Wall-mounted EV charger plugged into an electric car in a home garage

Electrical

Panel upgrades, EV chargers, lighting, and repairs, with permits handled.

Electrical

Common in Alton Homes

The age of your home tells us a lot about what it needs.

Victorian Homes

Christian Hill has more than 250 buildings dating from the 1830s to about 1910. Many still have original boiler heat, cast iron radiators, and plumbing that’s been patched over the years. We treat these homes with care.

Boiler & Radiator Heat

Plenty of Alton homes still heat with a boiler. When yours is near the end, a high-efficiency boiler can keep the radiators you love while cutting your heating bill.

Homes Without Ductwork

Plaster walls and no original ducts make central air a challenge. Ductless systems can cool room by room without tearing into walls.

Older Sewer Lines

Many older Alton homes still have cast iron or clay sewer lines. Slow drains or backups can be the first sign, and we can inspect the line and tell you what we find.

Not sure what your home needs? Call 618-258-9000 or request service

How It Works

Simple, upfront, and no surprises.

At Home Club Members

pay no service call fees.

See the Club →

Call or Request Service

Call 618-258-9000 anytime, 24/7, or request service online. We'll find a time that works for you.

Get Your Price Up Front

Your technician finds the problem and gives you a flat-rate price before any work begins. No hourly guessing and no surprises at the end.

Problem Solved

We fix it right, clean up after ourselves, and make sure everything’s working before we leave

GRP|WEGMAN AT HOME CLUB

Old Home or New, Stay Ahead of Problems

The At Home Club keeps your boiler, furnace, or AC running right, with two tune-ups a year, priority service, and no service call fees.

$198/year

No monthly fees

Join the At Home Club →

Spring & Fall Tune-Ups

Your AC checked before summer, your furnace before winter.

Priority Service

Members get priority scheduling, even during heat waves.

No Service Call Fees

Including nights, weekends, and holidays.

10-Year Labor Warranty

On new HVAC systems installed by GRP|WEGMAN.

What Our Neighbors Say

“

They were here the next day and had my air conditioner in and I had air that night.

“Our AC had went out... I called and they got it all set up and they were here the same day to evaluate the situation... It's so quiet you can't even hear it... fantastic guys, very courteous, very professional, explained everything about the whole unit. It was just a very fabulous experience with us.”

RHONDA Edwards

GOOGLE REVIEW

See our reviews on Google →

Edwardsville
EQuestions

Still have a question?
Call 618-258-9000, 24/7.

Do you work on boilers and radiators?

Yes. We repair, maintain, and replace boilers, including the older systems common in Alton’s historic homes. If it’s time for a new one, we’ll show you your options.

Can I get central air in an older home without ductwork?

Often, yes. Ductless systems mount on the wall and need only a small opening, so there’s no need to tear into plaster. We’ll look at your home and give you an honest recommendation.

Do you work on historic homes in Christian Hill and Middletown?

Yes. Older homes need extra care, and our techs take the time to understand what you have before recommending anything.

My drains back up. Is it my sewer line?

It could be. Many older Alton homes still have their original cast iron or clay lines. We’ll find the cause and give you an upfront price before any work starts.

Do you serve all of Alton?

Yes. We cover Christian Hill, Middletown, Upper Alton, Pagan Hill, Hunterstown, and everywhere in between, plus Godfrey, East Alton, Wood River, and the rest of the Metro East.

Request Service

Tell us what's going on and we'll call you back during business hours.
Need help now? Call 618-258-9000, 24/7.

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Heating, Cooling, Plumbing & Electrical in Alton, IL

From Victorian homes on Christian Hill to houses across Upper Alton, your neighbors at GRP|WEGMAN keep Alton homes running.

Your Neighbors in Alton