Mark's Heating & Cooling: Oconomowoc's Trusted HVAC Experts
Serving Oconomowoc, WI, and the greater Lake Country area, Mark's Heating & Cooling is a reliable name for heating and cooling needs. With over 40 years in the business, this NATE Certified contractor handles both residential and commercial projects. They provide 24/7 emergency service, so help is available whenever a furnace quits on a cold Wisconsin night or an air conditioner fails during a humid summer day. Their team of skilled technicians is trained to work on all types of systems, ensuring homes and businesses stay comfortable year-round.
Business Overview
Mark's Heating & Cooling in Oconomowoc, WI, focuses on making indoor climates pleasant and efficient. They work on everything from single-family homes to local shops and offices. The company is known for being there when you need them, with emergency lines open all day, every day. Their staff brings decades of combined experience to each job, whether it's a quick repair or a full system installation.
Key Services
Mark's Heating & Cooling offers a full range of services to keep systems running smoothly:
- HVAC Installation & Replacement: Putting in new furnaces, air conditioners, heat pumps, and ductless systems, often using energy-efficient Bryant products.
- System Repair: Fixing issues with air conditioners, boilers, furnaces, and controls to restore comfort quickly.
- Maintenance Plans: Regular check-ups to improve efficiency, prevent breakdowns, and extend the life of your equipment.
- Specialty Solutions: Installing humidifiers, dehumidifiers, air purifiers, UV lamps, and in-floor heating for added comfort.
- Emergency Service: Available 24/7 for urgent heating or cooling problems.
Areas Served
Mark's Heating & Cooling serves communities across Southeastern Wisconsin. Their service area includes Milwaukee, Waukesha, West Allis, Wauwatosa, New Berlin, Brookfield, and many more towns from Hartford to Watertown. They understand the local housing styles, from older Milwaukee bungalows to newer suburban builds in Oconomowoc. This knowledge helps them recommend the right systems for Wisconsin's varying seasons.
Company History
Founded over four decades ago, Mark's Heating & Cooling started with a focus on quality service in the Lake Country region. They grew by building trust with homeowners and businesses, specializing in Bryant heating and cooling products. The company became NATE Certified and joined the Better Business Bureau, showing their commitment to skilled work and customer satisfaction. Today, they handle new construction, remodels, and preventative maintenance across a wide area.
Leadership
The team at Mark's Heating & Cooling is led by experienced professionals who live and work in the community. With deep roots in Southeastern Wisconsin, they know how local weather affects HVAC systems. Their involvement with industry groups like North American Technician Excellence keeps them updated on best practices. You'll often find them at local events or helping neighbors with climate control solutions.
Specialties & Highlights
Several features set Mark's Heating & Cooling apart:
- NATE Certification: Technicians are tested and certified for expertise in heating and cooling.
- Bryant Product Expertise: They offer a complete line of Bryant furnaces, air conditioners, boilers, and more.
- New Construction & Remodels: Skilled at installing systems in new homes or updating older buildings.
- Boiler and In-Floor Heating: Special knowledge in boiler repair and radiant floor heating, great for Wisconsin winters.
- Preventative Maintenance: Plans designed to save energy and reduce repair costs over time.
Why Locals Choose Mark's Heating & Cooling
Residents and business owners in Oconomowoc, WI, pick Mark's Heating & Cooling for their proven track record. With 40+ years in the area, they've built a reputation for reliability and honest service. They use quality Bryant products and stand behind their work. Their local knowledge means they understand the specific needs of Wisconsin homes, from dealing with lake-effect humidity to winter freezes. When you need HVAC help, Mark's Heating & Cooling in Oconomowoc, WI, is a name you can count on.
Contact Information
Mark's Heating & Cooling
: 355 W Wisconsin Ave, Oconomowoc, WI 53066
Business Services
- HVAC installation or replacement
- HVAC system repair
- HVAC system maintenance
Business Location & Hours
| Mon: | 7:00 AM - 7:00 PM |
| Tue: | 7:00 AM - 7:00 PM |
| Wed: | 7:00 AM - 7:00 PM |
| Thu: | 7:00 AM - 7:00 PM |
| Fri: | 7:00 AM - 7:00 PM |
| Sat: | Closed |
| Sun: | Closed |








