Synergy Geothermal-Heating-Cooling

Synergy Geothermal-Heating-Cooling We're a Door County-based Heating & Cooling Company located in Sturgeon Bay! No surprises, no disappointments.

We will design the most efficient HVAC system that is the best fit for your home or business, and your needs. From the most complex system installation to routine service and maintenance, Synergy has the tools, people, and the products to provide an indoor weather system that fits your lifestyle and budget. We believe in what we do, and we want Synergy to be your HVAC contractor of choice. Let us show you how Synergy can surpass your expectations in service and performance. You can count on us for custom made indoor weather now, and for many years to come.

Great review from Stephanie... "Chase recently came to our Fish Creek home for the annual boiler checkup and it was grea...
10/19/2026

Great review from Stephanie... "Chase recently came to our Fish Creek home for the annual boiler checkup and it was great! On time, super knowledgeable, friendly and efficient. Synergy never disappoints!!"

"Chase recently came to our Fish Creek home for the annual boiler checkup and it was great! On time, super knowledgeable, friendly and efficient. Synergy never disappoints!!"

Great review from James... "The service Tech was on time, friendly and answered all questionseasily. Work was performed ...
10/13/2026

Great review from James... "The service Tech was on time, friendly and answered all questions
easily. Work was performed efficiently and completed in less than an hour. Would have him back for our Geothermal."

"The service Tech was on time, friendly and answered all questions easily. Work was performed efficiently and completed in less than an hour. Would have him back for our Geothermal."

Great review from Thomas
10/11/2026

Great review from Thomas

Check out our great customer reviews!

Great review from Sara... "From my initial phone call requesting a quote, to the installation of our new furnace everyon...
10/10/2026

Great review from Sara... "From my initial phone call requesting a quote, to the installation of our new furnace everyone was professional and courteous. I am thankful we chose Synergy, as all the employees speak very highly of their company and boss. Clearly they are doing it right! đź‘Ź"

"From my initial phone call requesting a quote, to the installation of our new furnace everyone was professional and courteous. I am thankful we chose Synergy, as all the employees speak very highly of their company and boss. Clearly they are doing it right! đź‘Ź"

Great review from Richard... "Great service so far . Ever thing is working fine . Ask again next year .Dick"
10/09/2026

Great review from Richard... "Great service so far . Ever thing is working fine . Ask again next year .
Dick"

"Great service so far . Ever thing is working fine . Ask again next year . Dick"

Great review from Jean... "We installed a new furnace and AC. Easy and helpful service from the quote to the installatio...
10/09/2026

Great review from Jean... "We installed a new furnace and AC. Easy and helpful service from the quote to the installation. Answered all my questions and were very friendly, great customer service!"

"We installed a new furnace and AC. Easy and helpful service from the quote to the installation. Answered all my questions and were very friendly, great customer service!"

Great review from Mary... "Synergy continues to provide excellent proficient service for all our heating and A/C needs."
10/09/2026

Great review from Mary... "Synergy continues to provide excellent proficient service for all our heating and A/C needs."

"Synergy continues to provide excellent proficient service for all our heating and A/C needs."

Great review from Richard... "Integrity, quality, timely service."
10/08/2026

Great review from Richard... "Integrity, quality, timely service."

"Integrity, quality, timely service."

Great review from Gary... "We have been using Synergy for many years and they have always provided professional, friendl...
10/06/2026

Great review from Gary... "We have been using Synergy for many years and they have always provided professional, friendly service."

"We have been using Synergy for many years and they have always provided professional, friendly service."

Great review from Matthew... "The technician was on time, friendly, did not talk down to my wife, greeted the protecti...
10/01/2026

Great review from Matthew... "The technician was on time, friendly, did not talk down to my wife, greeted the protective dog, was efficient with everyone's time and did a good job. My wife was well pleased.
That matters a lot!"

"The technician was on time, friendly, did not talk down to my wife, greeted the protective dog, was efficient with everyone's time and did a good job. My wife was well pleased. That matters a lot!"

Address

3036 Park Drive
Sturgeon Bay, WI
54235

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 9am - 5pm
Saturday 8am - 3pm

Telephone

+19206636374

Website

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