Grunwald Mechanical Contractors & Engineers · Est. 1899
Omaha (402) 545-0019 Lincoln (402) 545-0024
(402) 545-0019
Home Services Service Areas About Contact 📞 Omaha · (402) 545-0019 📞 Lincoln · (402) 545-0024
Est. 1899 · Omaha's Oldest Mechanical Contractor

Nebraska's most respected mechanical contractors — for 125 years.

From a boiler in a Omaha high-rise to an HVAC system in your Lincoln home, Grunwald Mechanical has been the region's most reliable choice since 1899. Commercial, industrial, and residential — every job backed by union-certified tradespeople.

Omaha · 24/7
(402) 545-0019 Lincoln · (402) 545-0024
1899Established
125+Years serving NE
2Metro offices
MCACertified member
Grunwald Mechanical engineers inspecting commercial HVAC equipment in Omaha Nebraska
Commercial mechanical work · Omaha, NE
🏆
Since 1899
Oldest in Omaha

Licensed · Bonded · Union-affiliated

🏛️
MCA of America
🏗️
MCA of Omaha
🔧
Local 16 Plumbers Union
⚙️
Local 464 Plumbers & Steamfitters
📅
24 / 7 Emergency Service
What we do

Full-scope mechanical — heating, cooling, plumbing & construction.

From a single residential furnace to a design-build mechanical system for a commercial complex, Grunwald has the licensed tradespeople and 125-year track record to get it done right.

Air Conditioning

Commercial and residential AC installation, repair, and maintenance for Omaha and Lincoln — all makes and models.

  • New system installation
  • Same-day emergency repair
  • Preventive maintenance contracts
Get a quote

Heating & Furnaces

Gas furnaces, heat pumps, and forced-air systems installed and serviced by union-certified technicians.

  • Furnace install & replace
  • Heat pump systems
  • Emergency no-heat service
Get a quote

Boiler Services

Commercial and industrial boiler installation, repair, and annual inspections across Nebraska and Western Iowa.

  • Steam & hot-water boilers
  • Code inspections
  • Emergency boiler repair
Call now

Plumbing

Full commercial and residential plumbing — sewer repairs, water heaters, gas lines, drain cleaning, sump pumps, and more.

  • Water heater install & repair
  • Sewer & drain cleaning
  • Gas line installation
Get a quote

Mechanical Construction

Full-scope design-build mechanical construction for commercial and industrial projects — from concept through commissioning.

  • Design-build projects
  • Tenant build-outs
  • Rooftop & split systems
Start a project

Indoor Air Quality

Whole-building ventilation, UV purification, humidification, and filtration systems for commercial and residential properties.

  • Commercial ventilation
  • UV & HEPA filtration
  • Humidity control
Talk to us

Maintenance Contracts

Scheduled preventive maintenance for commercial properties — keep systems running at peak efficiency with priority service response.

  • Quarterly & bi-annual visits
  • Priority emergency dispatch
  • Detailed inspection reports
Get a contract
Real mechanical work

Commercial, industrial & residential — across both metros.

From rooftop package units to boiler rooms, from new construction to emergency repair. This is the kind of work Grunwald Mechanical has delivered across Nebraska for 125 years.

Commercial HVAC rooftop units installed on a large Omaha building
Commercial rooftop HVAC · Omaha Metro
Grunwald Mechanical technician performing HVAC inspection
On-site mechanical inspection
Industrial boiler room installation and service
Industrial boiler installation
Mechanical contractor working on pipe installation
Mechanical piping · commercial build
Grunwald technician running system diagnostics on commercial HVAC
System diagnostics & commissioning
Two metro offices

Omaha or Lincoln — we're your neighbor.

Two full-service offices serving the entire state of Nebraska and Western Iowa. Same licensed tradespeople, same 125-year standard, same 24/7 emergency response — in both metros.

Headquarters

Omaha

11111 E Cir, Ste A
Omaha, NE 68137
(402) 545-0019
Open 24 hours · 7 days a week
Call Omaha Office

Lincoln

5930 N 58th St
Lincoln, NE 68507
(402) 545-0024
Open 24 hours · 7 days a week
Call Lincoln Office

Also serving: Bennington · Gretna · Elkhorn · Papillion · Bellevue · La Vista · Ralston · Millard · Blair · Fremont · Valley · Springfield · Louisville · Western Iowa

Grunwald Mechanical licensed technician on commercial job site in Omaha Nebraska
⚙️ Licensed · Bonded · Union-Affiliated
Our story

Nebraska's oldest mechanical contractor. 125 years of getting it right.

Grunwald Mechanical was founded in 1899 — making us the oldest mechanical contractor in Omaha and one of the longest-standing in the Midwest. For five generations, we've combined old-school craftsmanship with the latest technology to deliver heating, cooling, plumbing, and construction projects that stand the test of time.

From residential HVAC in your Lincoln home to full design-build mechanical systems for Omaha's commercial complexes, our union-certified tradespeople bring the same commitment to every job: done right, on schedule, and built to last.

Established
1899
Years in business
125+
Metro offices
Omaha + Lincoln
Affiliation
MCA · Local 16 & 464
Learn our history →
What we stand for

The Midwest's most respected mechanical contractors — since before your grandfather was born.

125 years of business doesn't happen by accident. Here's how we've earned it.

125 Years of Integrity

We've been doing honest work since 1899. No upsell, no shortcuts — just the right repair or installation the first time.

Union-Certified Tradespeople

Every technician is Local 16 or Local 464 union-affiliated, with the training and certification your project demands.

Fastest Emergency Response

No heat, no AC, broken main? Both offices answer 24/7. We dispatch fast — commercial or residential, Omaha or Lincoln.

Design-Build Capability

We don't just install — we engineer. Full design-build mechanical for commercial and industrial construction projects across the Midwest.

Service agreements

Preventive care beats emergency repair — every time.

Commercial property managers and building owners across Omaha and Lincoln rely on Grunwald service agreements to keep mechanical systems running at peak efficiency year-round.

Residential
Home comfort plans
  • Annual HVAC tune-up
  • Filter replacement
  • Safety & efficiency check
  • Priority scheduling
  • Discounts on repairs
Get a residential plan
Most requested
Commercial
Building & property managers
  • Quarterly system inspections
  • Boiler & chiller service
  • HVAC & plumbing coverage
  • Priority emergency dispatch
  • Detailed service reports
  • Dedicated account manager
Get a commercial plan
Industrial
Plant & facility managers
  • Full mechanical coverage
  • Boiler code inspections
  • Custom maintenance schedules
  • 24/7 emergency response
  • Annual equipment reports
Discuss your facility

All agreements customized to your building and systems. Call (402) 545-0019 (Omaha) or (402) 545-0024 (Lincoln) to speak with a service manager today.

What customers say

125 years of repeat customers. That says everything.

From Omaha property managers to Lincoln homeowners — businesses and families have trusted Grunwald Mechanical across generations.

★★★★★

"Our boiler went down in January. Grunwald had a tech on site within two hours and the system back up by morning. That kind of response is why we've used them for our commercial property for years."

M
Commercial property manager
Omaha · Verified customer
★★★★★

"I was shocked at how professional the crew was on our design-build project. Grunwald coordinated everything from mechanical design to final commissioning — seamless from start to finish."

J
General contractor, Lincoln NE
Lincoln · Verified customer
★★★★★

"They replaced our entire HVAC system and handled the plumbing for a bathroom addition in the same week. One call, one crew, no subcontracting chaos. Highly recommend."

S
Homeowner · Bellevue NE
Yelp · Verified review
125+
Years in business
BBB★
BBB Accredited
2
Metro offices · NE
Request service

Tell us what you need.
We respond fast.

Fill out the form — or call either office directly. Residential and commercial, Omaha and Lincoln. Emergency calls answered 24/7.

  • Free estimates on installations & projects
  • Licensed, bonded & union-affiliated technicians
  • 125 years of mechanical expertise
  • Same-day emergency response available
Omaha office
(402) 545-0019 Lincoln office(402) 545-0024

We respond within one business day. For emergencies, call either office directly — we answer 24/7.

No heat. No AC. Broken main. We're ready.

Both offices answer 24 hours a day — Omaha and Lincoln. 125 years of getting Nebraska's mechanical systems back online, fast.

Omaha · 24/7
(402) 545-0019 Lincoln · (402) 545-0024