Need Financing?
We provide financing options through trusted lenders. With approved credit, you can select the plan that best fits your project timeline.
Ready For a New Unit?
Find the perfect system for your home, take our quick needs assessment today.
Comprehensive HVAC & Air Quality Services
At Third Coast Heating and Cooling in Waukesha, Germantown and Brookfield, we handle all your comfort needs, big or small. Our team has the expertise to install, repair, and maintain a wide range of HVAC systems, ensuring optimal performance and energy efficiency year-round.
Heating
Our Heating products are designed to provide efficient and reliable heating and cooling solutions for your home or business.
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Cooling
From ductless mini-splits to central AC units, our air conditioning products provide reliable cooling and improved indoor comfort.
Heat Pumps
Whether ductless or whole-home, our heat pumps provide quiet, energy-smart heating and cooling to keep every room comfortable in every season.
Air Quality
Breathe easier and live healthier with our indoor air quality (IAQ) solutions. We offer advanced air purification systems, humidity control (humidifiers and dehumidifiers), and UV purification to reduce allergens, pollutants, and airborne contaminants in your Milwaukee-area home.
Top Rated Heating and Cooling in Waukesha, Germantown and Brookfield
Welcome to Third Coast Heating & Cooling, your local experts dedicated to keeping homes and businesses comfortable throughout Waukesha, Germantown and Brookfield, and surrounding areas. Whether you’re facing a sweltering summer day with a broken AC or a frigid winter night with a faulty furnace, our licensed and certified technicians are ready to provide fast, reliable solutions. We offer comprehensive heating, cooling, and indoor air quality services, backed by a commitment to honesty, integrity, and your complete satisfaction. Need immediate help? We offer 24/7 emergency HVAC repair service across the Waukesha, Germantown and Brookfield areas.
Experience the Third Coast Difference
Trust, Integrity, and Your ComfortThank you for considering Third Coast Heating & Cooling. We are more than just an HVAC company; we are your partners in maintaining a comfortable and healthy home environment. As a trusted, local, experienced business, we are committed to serving the Waukesha County and Milwaukee County communities with integrity and expertise.
FINANCING OPTIONS
Flexible Financing for your comfort
At Third Coast Heating & Cooling, we believe everyone deserves a comfortable home. That’s why we’ve teamed up with Wells Fargo to provide flexible financing options for your HVAC needs. With convenient payment plans and trusted support, you can invest in reliable heating and cooling solutions that fit your budget. Discover how easy it is to bring home comfort within reach. Financing Subject to Credit Approval
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Exclusive HVAC Savings for Aurora Health Care Professionals
Third Coast Heating & Cooling is proud to support the hardworking medical professionals who keep our communities healthy. As a thank you for your service, we’re offering exclusive HVAC discounts to Aurora Health Care staff to help keep your home comfortable year-round.
SEE WHAT YOUR NEIGHBORS ARE SAYING ABOUT Third Coast Heating & Cooling
Our Blog
HELPFUL TIPS FROM OUR TEAM OF EXPERTS
AC Maintenance Guide: Essential Tune-Up Tips for 2026
Table of Contents The Importance of Regular AC Maintenance for Brookfield Homeowners What AC Maintenance Includes: A Complete Breakdown How Often Should You Service Your Air Conditioner? When to Repair or Replace Your Air Conditioner: Key Warning Signs The True Cost of AC Maintenance and Tune-Ups Year-Round AC Care: DIY Tips and Professional Help Keep […]
Furnace Repair in Brookfield: Essential Homeowner Guide
Table of Contents Furnace Repair: What Homeowners in Brookfield Need to Know Understanding Furnace Repair: Key Concepts and Local Context In-Depth Furnace Repair: Diagnostics, Costs, and When to Call a Professional Understanding Diagnostic Procedures Evaluating Furnace Repair vs. Replacement The Role of Search Intent in Finding Furnace Help Practical Steps for Furnace Repair: Emergency Services, […]
Furnace Maintenance: Essential Home Tips for 2026
Table of Contents Why Furnace Maintenance Matters for Brookfield Homeowners Furnace Maintenance Basics for Your Home Understanding the Risks and Rewards of Furnace Care The Consequences of Skipping Maintenance Filter Malfunctions and Their Impact on Your System How Professional Tune-Ups Prevent Major Issues Practical Steps for Year-Round Furnace Maintenance Monthly Filter Checks and Replacement Seasonal […]
