Business Details
47 Years
experience
Emergency
services
Your Trusted Plumbing & HVAC Experts in Baraboo & Portage, WI
Founded in 1979, Terrytown Plumbing has served Baraboo, Portage, and surrounding Wisconsin communities for over four decades. Our commitment to excellence is rooted in the values of owner Gary Kowalke, a lifelong Baraboo resident who built the company on integrity, expertise, and personalized service. With licensed technicians completing 12 hours of annual trainingdouble state requirementswe deliver unmatched proficiency in residential and commercial plumbing, HVAC, and indoor air quality solutions. Our 100% satisfaction guarantee reflects our confidence in superior workmanship, backed by partnerships with industry leaders like Aprilaire and Mitsubishi.From emergency repairs to custom system installations, we prioritize customer education and long-term value engineering, ensuring systems operate efficiently for decades. Our teams deep local knowledge and dedication to community needs have made us the trusted choice for new construction, renovations, and maintenance across six Wisconsin counties.
Services
Plumbing
Heating & Cooling
Indoor Air Quality
Septic Systems
Well Installation
Details
- Year established: 1979
Highlights and features
- We offer 40+ years of combined experience in Wisconsin plumbing and HVAC services.
- Our team completes 12 hours of annual training, exceeding state licensing requirements.
- We guarantee parts and labor for one year on all installations and repairs.
- We service six Wisconsin counties, including Adams, Juneau, and Sauk.
- Our technicians are licensed, insured, and available for 24/7 emergency service.
What people say
Great service
Timely and reasonable rates
Excellent job
Friendly staff
Highly recommend
Services
Plumbing
Terrytown provides full-service residential and commercial plumbing solutions, including repairs, installations, and water filtration systems. Our licensed technicians complete 12 hours of annual training to ensure code-compliant, durable work. From leaky faucets to complex commercial projects, we guarantee parts and labor for one year.
Heating & Cooling
We install and service high-efficiency furnaces, air conditioners, and heat pumps from trusted brands like Mitsubishi and Armstrong. Our systems are designed for long-term reliability, with a focus on energy efficiency and indoor comfort. All installations include manufacturer warranty support and performance verification.
Indoor Air Quality
Our Aprilaire Healthy Air System and whole-house filtration solutions remove 40 lbs of debris from ductwork on average. Designed for allergy sufferers, these systems improve respiratory health while extending HVAC equipment lifespan through advanced particulate capture and humidity control.
Septic Systems
We handle complete septic system installations, including permit acquisition, perc testing, and state approval. Our team coordinates with local authorities to ensure code compliance and offers long-term maintenance solutions for rural properties without municipal sewer access.
Well Installation
Terrytown installs and services well pumps tailored to household size and water usage needs. We partner with professional drillers to ensure proper system design and offer pump replacement services that maximize available water resources while maintaining efficient household distribution.
People
Gary Kowalke
Owner
Gary founded Terrytown Plumbing in 1979 and expanded HVAC services in 2005. A lifelong Baraboo resident, he prioritizes customer education and technical excellence, ensuring every project meets strict quality standards while maintaining community-focused service values.
Questions
Do you offer emergency plumbing services?
Yes, we provide 24/7 emergency service for urgent plumbing and HVAC issues. Our technicians respond promptly to minimize property damage and restore system functionality.
What areas do you service?
We serve Baraboo, Portage, and surrounding Wisconsin communities including Adams, Juneau, Sauk, Columbia, Dane, and Marquette counties with both residential and commercial services.
What guarantees do you offer?
We guarantee all parts and labor for one year on installations and repairs. This includes manufacturer warranty support and free operational verification if you're unsatisfied with our work.
Are your technicians licensed?
All technicians hold Wisconsin state licenses for plumbing and HVAC work. They complete 12 hours of annual training—double the state requirement—to maintain technical proficiency and code compliance.
How do you handle septic system permits?
We manage the entire septic installation process, from perc testing through state and county approvals. Our team handles all paperwork to ensure proper permitting before system installation begins.
What is the Aprilaire Healthy Air System?
The Aprilaire system is a whole-house air filtration solution that captures 94% of airborne contaminants. It reduces allergens and extends HVAC system life by preventing dust buildup in ductwork and equipment.
