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Allied technician in a blue uniform kneeling to test the wiring inside an open gas furnace during a tune-up

Our Services

Every Trade. One Phone Number.

Plumbing, heating, and cooling for Springfield homes and businesses — repairs, installations, and maintenance, 24 hours a day.

The Three Trades

What Allied Handles

From a dripping faucet to a full system replacement — if it heats, cools, or carries water, we service it.

Not sure which trade you need? Call (217) 698-5500 and we'll dispatch the right technician.

Maintenance Plans

Plans that suit your needs

Regular visits from our technicians — scheduled annually or semi-annually — catch potential issues early, optimize performance, and prolong the life of your equipment.

  • Scheduled visits catch issues early and extend equipment life
  • Discounts on repairs and replacement parts for members
  • Priority scheduling — maintenance, emergency repairs, 24/7 service
  • Reminders so you never miss a seasonal tune-up
See Plan Details

Cooling Check

A spring tune-up that keeps your AC efficient and dependable through every Illinois summer.

Heating Check

A fall inspection that makes sure your furnace or boiler is safe and ready for winter.

Call (217) 698-5500 to enroll or ask about member pricing.

Financing available

A new system shouldn't wait on a lump sum. We offer easy-to-apply financing options with affordable monthly payments — plus free estimates on installation and replacement.

Apply for Financing

Springfield, IL · Since 1977

Not Sure What You Need?

Describe the problem and we'll send the right tech with the right parts — plumbing, heating, or cooling.