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Thermostat Installation & Replacement

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Thermostat Installation & Replacement

Green Box Mechanical provides the best thermostat (also known as T-Stats) installation and replacement services near Portland, Or. Our HVAC technicians are experts and can help you find the right thermostat for your home.


First, you’ll set up an appointment by contacting us at Green Box Mechanical. Our scheduling team will then get you scheduled after a few questions on what you are wanting installed.

Our HVAC technicians are highly trained and experienced in the installation or replacement of thermostats. They can evaluate your home’s heating and cooling needs and then discuss with you the many options available to meet your budget.

Afterward, we then discuss with you your specific needs to review thermostat options. We finally prepare a quote for you to review providing pricing options so you are in control of your budget.

Do i need my own thermostate?

No. You can provide your own or we can bring one with us.

ECOBEE Insulation Portland, OR - Green Box Mechanical

What thermostate Brands do we use?

We recommend two brands for your thermostat needs. There are but not limited to Ecobee and Honeywell.

ECOBEE Insulation Portland, OR - Green Box Mechanical

What factors do i need to know before installation?

Does your current setup have a C wire? If it does, we can install any thermostat on the market. If not, we will need to rewire your thermostat, so it has the C Wire for installation. This would be additional to the price of a thermostat install.

ECOBEE Insulation Portland, OR - Green Box Mechanical


We recommend Ecobee over every other thermostat. Smart thermostats are the wave of the future for knowing what is going on with your new Furnace, AC, or Heat Pump.


  • You can save upwards of 26% in annual heating and cooling.
  • ENERGY STAR® Certified
  • Control with the app and Apple watch
  • Built-in radar occupancy sensor
  • And a lot more

Link to Ecobee

Honeywell Insulation Portland, OR - Green Box Mechanical

Honeywell T6

The other thermostat we recommend is Honeywell T6 Pro Smart Thermostat. This thermostat can give you home comfort control from anywhere. Connect to the app to view and change temperature settings, program a 7-day schedule or just let the T6 respond automatically — it's designed to work with the heating stages of your existing system.


  • Smart Home Integration
  • Geofencing
  • Control Additional IAQ Products
  • Demand Response Rebate Eligible
  • Filter Change Alerts

Link to Honeywell

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