HVAC Services in Wauwatosa, WI

For professional HVAC services in Wauwatosa, WI, homeowners and businesses trust Gross Heating & Air Conditioning for heating, cooling, boilers, indoor air quality, ductwork, and preventative maintenance solutions. Whether you need a repair, replacement, installation, or seasonal tune-up, our team is ready to help. Call 262-783-6000 or request service online today to schedule service.

Why Wauwatosa Homeowners Choose Gross Heating & Air Conditioning

Choosing an HVAC contractor means choosing a company you’ll rely on for years to come. Homeowners want experienced professionals who provide accurate recommendations, quality workmanship, and dependable service when comfort systems need attention.

Since 1925, Gross Heating & Air Conditioning has served homeowners throughout the greater Milwaukee area. Today, the company is led by Jerry Nee and Joe Mechenich, who both began their careers as Gross technicians before becoming owners. As a Carrier Factory Authorized Dealer, multiple-time Carrier President’s Award recipient, BBB A+ accredited company, and employer of NATE-certified technicians, Gross Heating & Air Conditioning combines century-long local experience with modern HVAC expertise. Our team helps homeowners make informed decisions that support long-term comfort, efficiency, and reliability.

Air Conditioning Services

Professional air conditioning services help maintain comfort, efficiency, and dependable cooling performance throughout Wisconsin summers. Gross Heating & Air Conditioning provides air conditioning installation, replacement, repair, and maintenance services for all major equipment brands, including high-efficiency Carrier systems.

Many homes in Washington Highlands, Pasadena, and Wellauer Park were built long before central air conditioning became standard. As homeowners modernize these properties, cooling challenges such as limited return air, aging ductwork, and uneven second-floor temperatures often become more noticeable. Our technicians evaluate the entire cooling system to improve comfort while preserving the character of the home.

Boiler Services

Reliable boilers remain a popular heating solution in many Wauwatosa homes, particularly throughout neighborhoods known for historic and early twentieth-century construction. Gross Heating & Air Conditioning provides boiler installation, replacement, repair, and maintenance services for residential heating systems.

Homes in Washington Highlands, East Tosa, and areas surrounding North Avenue often rely on boilers and radiant heating systems that require specialized expertise. Whether you’re maintaining an older system or considering an upgrade, our technicians understand the unique needs of hydronic heating and can help maximize comfort, efficiency, and reliability.

Furnace Services

Dependable furnace services help homeowners stay comfortable throughout Wisconsin’s long heating season. Gross Heating & Air Conditioning provides furnace installation, replacement, repair, and maintenance services for residential heating systems.

Many homes in Fisher Woods, Ravenswood, and surrounding neighborhoods have experienced multiple HVAC upgrades over the decades. It’s common to find newer furnaces connected to aging duct systems or equipment that was sized for a different home layout. Our technicians evaluate the complete heating system to identify opportunities for better comfort and performance.

Heat Pump Services

Modern heat pump systems provide heating and cooling from a single energy-efficient system. Gross Heating & Air Conditioning offers heat pump installation, replacement, repair, and maintenance services for homeowners interested in year-round comfort and efficiency.

As more homeowners modernize older homes and look for energy-efficient alternatives, heat pumps have become an increasingly popular option. They are especially attractive for homeowners planning major HVAC upgrades because they provide both heating and cooling from a single system while helping reduce overall energy consumption.

Air Duct Services

Properly functioning air ducts help distribute conditioned air throughout your home and play a major role in HVAC efficiency. Gross Heating & Air Conditioning provides duct inspection, repair, replacement, sealing, and installation services designed to improve airflow and overall system performance.

Many homes in East Tosa, Bluemound Manor, and neighborhoods bordering Washington Heights have undergone renovations and additions over the years. These changes can affect airflow balance and place additional strain on HVAC equipment. Our team identifies ductwork issues that contribute to uneven temperatures, excessive dust, and higher energy costs.

Ductless Mini Split Services

A ductless system provides efficient heating and cooling without requiring traditional ductwork. Gross Heating & Air Conditioning installs, repairs, replaces, and maintains ductless systems for homes seeking additional comfort and flexibility.

Many Wauwatosa homeowners choose ductless systems for finished attics, home additions, renovated upper floors, and converted living spaces where extending ductwork is impractical. Ductless technology often provides an ideal solution for improving comfort in older homes without major structural modifications.

HVAC Maintenance Services

Routine maintenance helps reduce unexpected breakdowns, improve efficiency, and protect HVAC equipment throughout the year. Gross Heating & Air Conditioning provides maintenance services for heating and cooling systems of all ages.

Many emergency service calls during Wisconsin’s hottest and coldest weather can be traced back to deferred maintenance. Seasonal tune-ups help identify worn components, airflow restrictions, and developing performance issues before they become costly repairs or unexpected system failures.

Indoor Air Quality Services

Improving indoor air quality can help create a healthier and more comfortable living environment. Gross Heating & Air Conditioning offers indoor air quality solutions that address filtration, ventilation, humidity control, and airborne contaminants.

Older homes throughout East Tosa and Washington Highlands often face unique indoor air quality challenges related to aging ductwork, seasonal allergens, and extended periods of closed-window living during Wisconsin winters. Our team evaluates filtration, humidity levels, and ventilation to recommend practical improvements.

Whole-House Humidifier & Dehumidifier Services

Professional whole house humidifiers and dehumidifiers help maintain balanced indoor humidity levels throughout the year. Gross Heating & Air Conditioning installs, repairs, and services humidity control systems designed to improve comfort and protect your home.

Wisconsin winters can leave indoor air extremely dry, especially in older homes throughout East Tosa and Washington Highlands. Dry air can contribute to static electricity, respiratory discomfort, dry skin, and damage to wood flooring and furnishings. Whole-home humidity control helps create a healthier and more comfortable indoor environment.

Zone Control System Services

A professionally designed zone control system allows homeowners to customize temperatures in different areas of the home for improved comfort and efficiency. Gross Heating & Air Conditioning installs and services zoning systems for homes of all sizes.

Many homes in Washington Highlands and Pasadena feature additions, finished upper levels, and unique floor plans that can make temperature balancing difficult. Zone control systems allow different areas of the home to operate independently, helping address hot and cold spots without replacing the entire HVAC system.

Commercial HVAC Services

Reliable commercial services help business owners maintain comfortable environments for employees, customers, and daily operations. Gross Heating & Air Conditioning provides commercial HVAC installation, repair, replacement, and maintenance services for businesses throughout Wauwatosa.

From retail corridors near Mayfair Road to offices and professional buildings throughout the community, commercial properties depend on reliable heating and cooling systems. Our team helps business owners maintain performance while planning for long-term operational efficiency.

Frequently Asked Questions About HVAC Services in Wauwatosa, WI

Do I Need a Permit to Replace My Furnace, AC, or Boiler in Wauwatosa?

Yes. The City of Wauwatosa’s Building & Safety Division requires a mechanical permit for HVAC equipment replacement, and exterior work on the unit itself may also need a quick staff design review, particularly on properties in designated historic areas like Washington Highlands. Gross Heating & Air Conditioning handles permitting as part of every installation, so homeowners don’t have to navigate City Hall on their own.

Are There Rebates for Upgrading HVAC Equipment in Wauwatosa?

Often, yes. As We Energies customers, Wauwatosa homeowners have access to Focus on Energy rebates and instant discounts on qualifying high-efficiency furnaces, heat pumps, and smart thermostats. Our team can tell you which current incentives apply before you commit to a system.

Can Heat Pumps Really Handle a Wauwatosa Winter?

Yes, with the right equipment. Wisconsin sits in one of the coldest climate zones in the continental U.S., so we typically recommend cold-climate-rated heat pumps paired with a homeowner’s existing gas furnace as backup for the coldest stretches of the year. That dual-fuel setup is standard practice across southeastern Wisconsin, not a compromise.

Why Do So Many Homes in Washington Highlands and East Tosa Still Have Boilers?

Most of these neighborhoods were built between the 1910s and 1930s, when hot water and steam boilers paired with cast iron radiators were the standard heating technology — and many of those original systems, or their direct replacements, are still in service today. Servicing this style of system is increasingly rare expertise as boiler installations have declined nationally.

Will Installing Central Air Affect the Exterior of My Historic Wauwatosa Home?

It can require some planning. Homes in districts like Washington Highlands weren’t built with central air in mind, so condenser placement, line routing, and even ductless mini-split head locations often need to work around original architectural details rather than against them. We design installations to preserve curb appeal while meeting any applicable design review requirements.

Why Does My Upstairs Stay Hot or Cold No Matter What I Do?

In many older Tosa homes, this comes down to ductwork that was resized or added onto during a past renovation rather than designed for the home as it exists today. It’s an especially common complaint in homes with finished attic additions or upper-floor remodels throughout East Tosa and Fisher Woods.

Does Wauwatosa’s Weather Put Extra Strain on HVAC Equipment?

More than people expect. Beyond ordinary Wisconsin winters, the Milwaukee area sees occasional lake-effect snow off Lake Michigan, and the freeze-thaw cycles common in spring and fall put extra wear on outdoor units, condensate lines, and aging ductwork. Seasonal maintenance timed around those swings catches small issues before a hard freeze turns them into no-heat emergencies.

Is HVAC Maintenance Really Worth It in an Older Wauwatosa Home?

Often more so than in newer construction. Century-old homes carry decades of incremental repairs and equipment swaps, so a seasonal tune-up is also a chance to catch mismatches between current equipment and the home’s original duct or boiler infrastructure before they cause a breakdown.

Schedule HVAC Service in Wauwatosa, WI Today

Whether you need air conditioning service, boiler repair, furnace replacement, heat pump installation, ductwork repairs, indoor air quality improvements, humidity control solutions, zoning systems, commercial HVAC service, or preventative maintenance, Gross Heating & Air Conditioning is ready to help.

From Washington Highlands and East Tosa to Pasadena, Wellauer Park, Ravenswood, Fisher Woods, Bluemound Manor, and neighborhoods throughout Wauwatosa, our team provides dependable HVAC solutions backed by a century of local experience.

Call 262-783-6000 or request service online to schedule your HVAC service appointment today.