Mequon, WI HVAC, Plumbing & Electrical Services
Mequon is Ozaukee County’s largest city by area and the only one where one-to-five-acre minimum lot sizes still shape most of the residential map. The result is winding two-lane roads through hardwood corridors, horse farms along Bonniwell and Port Washington Road, and estate-sized homes set well back from the street on properties that would qualify as small farms in many parts of the country. Concordia University Wisconsin sits along the Lake Michigan bluff, and the lakefront neighborhoods east of Lake Shore Drive carry the same lake-effect humidity and winter ice patterns that define the broader North Shore.
Burkhardt Heating, Cooling, Plumbing & Electric serves Mequon from our Brown Deer location at 8232 N Teutonia Avenue, roughly fifteen minutes south of central Mequon on I-43. We have been in business since 1958 and have done enough work in Ozaukee County over the decades to know which equipment shows up in which corner of the city, and which neighborhoods are seeing the heaviest replacement activity in any given year.
Mequon housing splits cleanly into two categories. The 1960s through 1990s custom homes — 3,000 to 5,000-plus square feet on large lots, often with zoned HVAC and complex ductwork — are the bulk of the work. Newer construction along the southern edge near Brown Deer Road and the smaller infill north of County Line Road rounds out the picture. Rural northern Mequon properties frequently run on private wells and septic, which changes the plumbing conversation entirely and adds well pump and pressure tank service to the mix. Call (414) 355-5520 to schedule a Mequon service visit.
Services Available in Mequon
Heating and cooling. The large custom homes that define Mequon almost always run zoned, multi-stage HVAC. Two-stage or modulating gas furnaces, variable-speed air handlers, and zone dampers are common. The lakefront homes east of Lake Shore Drive deal with summer humidity that single-stage equipment never quite catches up to. We handle furnace repair, AC repair, boiler repair, and full system replacement including heat pump and dual-fuel installations. Our ductless mini-split pillar covers the case for ductless additions in finished-basement and addition projects.
Common HVAC issues we see in Mequon:
- Zone damper failures and zone-control board faults in 1990s and 2000s multi-zone systems
- Humidity complaints in lakefront homes where the AC is sized to cooling load but not to latent load
- Original variable-speed air handlers from the early 2000s now needing module replacement or full unit replacement
- Ductwork imbalance after additions or finished-basement projects added square footage without rebalancing the trunk lines
Boiler water treatment: Every boiler tune-up we perform includes checking water pH and hardness, then treating with inhibitor as needed. Wisconsin's well water and older municipal lines can corrode heat exchangers and cake up boiler internals, shortening system life by years if left unchecked.
Plumbing. Rural northern Mequon properties along County Line Road and beyond run on private wells and pressure tanks. South Mequon ties into municipal water. Large homes here often have two or three water heaters, multiple recirculation loops, and the kind of fixture count that strains a standard fifty-gallon tank. We handle water heater repair and replacement, well pump and pressure tank service, drain cleaning, and emergency plumbing (weekdays only). The water heater pillar and drain cleaning pillar walk through the diagnostic process. Note that Burkhardt does not service septic fields or perform mobile home plumbing.
Common plumbing issues we see in Mequon:
- Well pressure tank waterlogging and short-cycling pumps in rural northern properties
- Undersized water heater capacity in 4,000-plus-square-foot homes with master baths and laundry on different floors
- Iron and hardness from private wells stressing softeners and staining fixtures across the home
- Hot-water recirculation pumps failing after a decade of continuous duty in larger custom homes
Electrical. Mequon homes are typically on 200-amp service, sometimes 400-amp for the largest properties. Standby generators are common given long power restoration times after Ozaukee County ice and wind events. We handle electrical repair, panel upgrades, generator installation, EV charger circuits, and surge protection.
Common electrical issues we see in Mequon:
- Standby generator service intervals missed on units installed eight to twelve years ago
- Subpanel additions needed in homes with finished basements, detached garages, or pool houses
- Whole-home surge protection retrofits after lightning damage on rural lots with overhead service
- EV charger circuits added on existing 200-amp panels that are running close to capacity
Why Mequon Homeowners Choose Burkhardt
- Family-owned and serving the Milwaukee metro since 1958, with NATE-certified technicians experienced in multi-zone, variable-speed, and communicating-system equipment
- Google Guaranteed and BBB-accredited, with a service history across Ozaukee County going back decades
- Dispatched from our Brown Deer location at 8232 N Teutonia Avenue — roughly fifteen minutes from central Mequon on I-43 and twenty-five to thirty minutes from County Line Road addresses
- Comfortable on rural well-and-septic properties as well as municipal-water subdivisions, with the equipment and parts inventory to support both
- One company for HVAC, plumbing, and electrical — including standby generator installation, permitting, and ongoing annual service contracts
- Manual J load calculations included on every replacement estimate so larger Mequon homes aren’t saddled with oversized equipment
Most non-emergency Mequon appointments are scheduled within one to two business days. Same-day slots open up regularly for HVAC service when route openings come up. After-hours and Saturday coverage is available for no-heat and no-cooling emergencies in Mequon, dispatched from Brown Deer. Non-emergency plumbing and electrical run Monday through Friday, 7 a.m. to 5 p.m. Central Time. Replacement estimates are conducted in person so the technician can verify install conditions, perform a load calculation, and produce a complete written quote.
Call (414) 355-5520 or book online to schedule a Mequon visit.


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