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Plumbing & HVAC System Installation & Repair in Mequon, WI

Best furnace repair & boiler installation service in Milwaukee


Our HVAC technicians keep Milwaukee cozy through long Wisconsin winters, with heating services that include…

  • Repairs
  • Maintenance
  • Installation

…for boilers, furnaces, radiant systems, and ductless heating.

Best AC repair & air conditioning maintenance in Milwaukee

Air Conditioning

Harlaub’s air conditioning techs help Milwaukee residents stay cool and comfortable with these HVAC services:

  • AC repair
  • AC maintenance
  • AC installation

From replacement AC systems to emergency repairs, we’ll beat the heat.

Best Milwaukee plumbing & repair for burst pipes


Hartlaub has all your plumping needs covered. Our friendly contractors provide expert Milwaukee plumbing services:

  • Plumbing repair
  • Plumbing maintenance
  • Repiping & installation

Whether you need a clog cleared out, a hole fixed, or a brand new system of pipes, call Hartlaub.

Best electricians in Milwaukee, WI


Hartlaub’s electricians provide the best customer service in Milwaukee for:

  • Electrical repair
  • Electrical maintenance
  • Rewiring & installation

Whether you need emergency wire repair, electric for home expansions, or safer wiring for the whole house, Hartlaub is here to help.

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24 Hour Emergency Services 

Emergency plumbing & emergency furnace repair


Hartlaub considers every customer to be a part of our family, and that isn't feel-good marketing copy.

When you contact Hartlaub, you're connected with the personal care of a manager who ensures:

Best customer service from plumbing company in Milwaukee

A Customer-Centric Technician

Come rain or come shine, our technicians will be ready with their service vans, armed with tools and a smile.

Fast HVAC services and Milwaukee plumbers

Tracking and Clear Communication

Our technicians will text you a tracking code with their bio and their location so you have a real estimates time of arrival.

#1 plumbers and air conditioning repair company

Hartlaub Customer Service

They will pick up anything you need at the store after they've repaired your utilities!

Nobody offers better customer service for HVAC, plumbing and electrical services than Hartlaub. Contact us today to join our family.


Don't Just Take Our Word For It

 Reviews on best plumbers for the cost

They were able to fit me in the schedule in a pinch. Technician arrived promptly, was courteous, professional, and knowledgeable. Highly recommend.- Steve D. 

Check Out our Reviews!

As you'll see from our customer reviews, our team gives the absolute best customer service for AC repair and installation in Milwaukee and Southeastern Wisconsin.


Join the Hartlaub Total Care Club for Benefits & Discounts

Membership in our Total Care Club includes two service calls per year: An AC tune-up and electrical system safety inspection in the spring, and a furnace tune-up and plumbing system inspection in the fall. With most HVAC companies charging $125 and more for a single A/C or a furnace tune-up, membership in our Total Care Club is the best value going — especially the 2-year and 3-year plans.

The Total Care Club is bursting with benefits, including:

Plumber open Saturday, AC repair Sunday

Live Person 24/7 

Best AC maintenance in Milwaukee

Scheduled Maintenance Visits

Best electrical repair in Milwaukee

10% Discount on Services/Repairs



Local plumbers and electrical contractors in Wisconsin

Front of the Line Service

No extra AC installation cost for overtime

No Overtime Charge 


The Best Plumbing & HVAC Services for Mequon Residents

Our professional technicians provide a wide variety of plumbing, HVAC, electrical, and drain & sewer services for residents in Mequon. We offer high quality services, whether it’s installing a radiant floor system or treating your water. We even offer financing so you can have access to the services you need.

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HVAC installation, repair & maintenance for Mequon homes

No one wants to live with an unreliable HVAC system, especially in Wisconsin. If you’re shivering in winter or sweating in summer and your HVAC is already switched on, contact Hartlaub. Our HVAC technicians can repair, install or maintain any system including:

Reliable Emergency Plumbing Services in Mequon, WI 

Hartlaub is available 24/7 for any emergency plumbing situations you might face. No matter what time, we can send our expert plumbers over to look at your toilet, sink, or drain & sewer system. We offer a wide range of professional plumbing services, including:

Mequon Water Treatment, Electrical and Drain & Sewer Services

Hartlaub does more than plumbing and HVAC. Our professional technicians can cover all the major necessities of your Wisconsin home, including your electrical and water systems. Some of the services we offer include:

Contact the professional technicians at Hartlaub today for the best plumbing, HVAC, water and electrical services in Mequon, WI 


Get expert pipe repair and maintenance
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Skilled plumbers
Keep your home comfortable all year round
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Summer cooling maintenance & new system installation
Water Treatment
Test and purify your home water system
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Fresh, Clean Water from your faucet
Fix your home’s electrical problem today
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Certified electricians
Drain & Sewer
Repair your drain and sewer system
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Sewer drain clearing
Get expert pipe repair and maintenance
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Skilled plumbers