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Business Details
47 Years
experience
Trusted Plumbing, Heating & Cooling Services in Baraboo & Portage, WI
Terrytown Plumbing has been serving Baraboo, Portage, and surrounding Wisconsin communities for over 39 years. Founded in 1979 by Gary Kowalke, our company was built on principles of integrity, expertise, and customer satisfaction. Our licensed and insured technicians provide comprehensive plumbing, heating, and cooling solutions for residential and commercial properties, backed by a 100% satisfaction guarantee. We prioritize ongoing education, requiring double the state-mandated training hours to ensure our team remains at the forefront of industry advancements. With offices in Baraboo and Portage, we offer personalized showroom consultations and handle projects ranging from simple repairs to complex new installations.

Our commitment to quality extends to partnerships with trusted brands like Aprilaire and Mitsubishi, ensuring reliable systems that enhance comfort and safety. We specialize in septic and well system installations for rural properties, managing all permitting processes to simplify client responsibilities. Our engineering capabilities support design-build projects, optimizing efficiency and cost-effectiveness for clients. Customer testimonials consistently highlight our punctuality, transparent communication, and dedication to resolving issues promptly. As a locally owned business, we take pride in maintaining Baraboo's infrastructure while adapting to modern technological advancements like smart thermostats.
Services
Plumbing Heating & Cooling Indoor Air Quality Septic Systems Well Installations Smart Thermostats Emergency Repairs System Maintenance Design-Build Projects Showroom Consultations
Details
  • Year established: 1979
Highlights and features
  • We offer 39 years of local plumbing and HVAC expertise in Wisconsin communities
  • Our technicians complete double the state-required continuing education annually
  • 100% satisfaction guarantee covers all parts and labor for one year
  • Licensed and insured professionals handle complex residential and commercial projects
  • We manage septic/well permitting processes for rural property owners
What people say
Great service Timely repairs Professional staff Reasonable rates 100% satisfaction
Services
Plumbing
Terrytown provides comprehensive plumbing solutions for residential and commercial properties. Our licensed technicians handle everything from leak repairs and water heater installations to complete system overhauls. With specialized training and showroom consultations, we ensure code-compliant installations that enhance property safety and value while maintaining 24/7 operational reliability.
Heating & Cooling
Our HVAC division specializes in furnace, air conditioning, and heat pump installations. Partnering with brands like Mitsubishi and Armstrong, we deliver energy-efficient systems tailored to Wisconsin's climate. Each installation includes personalized consultations to optimize system sizing and performance, ensuring year-round comfort with minimal maintenance requirements for homeowners.
Indoor Air Quality
We improve indoor air quality through whole-house filtration systems and Aprilaire Healthy Air solutions. Our technicians install systems that remove allergens and pathogens while extending HVAC equipment lifespan. By addressing dust mites and particulate matter, we create healthier living environments that particularly benefit allergy sufferers and families with young children.
Septic Systems
Terrytown manages complete septic system installations including permitting and soil testing. Our experts handle all regulatory requirements while designing systems that match property needs. From perc tests to final installation, we ensure compliant, durable solutions that protect groundwater quality and meet Wisconsin's environmental standards.
Well Installations
We coordinate well pump installations and replacements, optimizing water pressure based on household size and usage patterns. While partnering with professional drillers for well creation, we handle pump selection and installation to ensure reliable water supply. Our systems maximize available water resources while maintaining energy efficiency.
People
Gary Kowalke
Owner
Founder of Terrytown Plumbing since 1979, Gary Kowalke brings decades of local expertise. A Baraboo resident, he built the company on integrity and technical excellence, personally overseeing complex projects and maintaining active involvement in customer service.
Questions
What areas do you service?
We serve Baraboo, Portage, and surrounding Wisconsin counties including Adams, Juneau, Sauk, Marquette, Columbia, and Dane.
Do you offer emergency services?
We handle urgent repairs during regular business hours but don't provide after-hours emergency services.
What payment methods are accepted?
We accept Visa, MasterCard, checks, and cash payments for all our services.
Are financing options available?
Yes, we offer financing options for major installations and system replacements.
Do you guarantee your work?
We provide a 100% satisfaction guarantee covering all parts and labor for one year.
How do you handle septic permits?
We manage the complete permitting process including soil testing and state approvals.