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 Jackie... "Very satisfied with the professionalism, knowledge, and thoroughness of the specialist and ...
06/12/2026

Great review from Jackie... "Very satisfied with the professionalism, knowledge, and thoroughness of the specialist and trainee. Excellent job guys! Still very happy I am a member!"

"Very satisfied with the professionalism, knowledge, and thoroughness of the specialist and trainee. Excellent job guys! Still very happy I am a member!"

Great review from jane... "Synergy came on time yesterday. The tech explained my problem well. Explained what would happ...
06/12/2026

Great review from jane... "Synergy came on time yesterday. The tech explained my problem well. Explained what would happen next, and provided a work-around so that I will have hot water until a part comes in."

"Synergy came on time yesterday. The tech explained my problem well. Explained what would happen next, and provided a work-around so that I will have hot water until a part comes in."

06/11/2026
Training Day today! It’s like Christmas!
06/11/2026

Training Day today! It’s like Christmas!

Great review from Rick... "Very thorough"
06/10/2026

Great review from Rick... "Very thorough"

"Very thorough"

Great review from Liven4Gzus... "Was a great service. Derrick had explained well what might need attention yet or why t...
06/09/2026

Great review from Liven4Gzus... "Was a great service. Derrick had explained well what might need attention yet or why the system testing could not be fully checked. He asked about any issues noticed with the system and checked things related to that information."

"Was a great service. Derrick had explained well what might need attention yet or why the system testing could not be fully checked. He asked about any issues noticed with the system and checked things related to that information."

Great review from Janet... "Always show up on time and when they say. Very pleasant technicians. They get the job done!"
06/06/2026

Great review from Janet... "Always show up on time and when they say. Very pleasant technicians. They get the job done!"

"Always show up on time and when they say. Very pleasant technicians. They get the job done!"

Great review from Marita... "We appreciated Synergy's quick response when our furnace ignitor went out."
06/01/2026

Great review from Marita... "We appreciated Synergy's quick response when our furnace ignitor went out."

"We appreciated Synergy's quick response when our furnace ignitor went out."

Great review from Greg
05/22/2026

Great review from Greg

Check out our great customer reviews!

Great review from Marc
05/20/2026

Great review from Marc

Check out our great customer reviews!

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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