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A slim digital wall control mounted beside a doorway

Residential heating & cooling · Metro Detroit

Smart Thermostats and Whole-Home Comfort Control

Thermostats matched to the equipment they control, with sensors and zoning considered across the home.

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Overview

Thermostats & Home Comfort, Explained.

A thermostat is the only part of the heating and cooling system most people touch, and it shapes how every other component behaves. A two-stage furnace, variable-speed blower or dual-fuel heat pump only performs as designed when the control understands it. A thermostat chosen for its screen alone can leave a capable system running like a basic one.

Paramount treats a thermostat upgrade as part of the system, not an accessory. The existing equipment, wiring and any zoning are reviewed first, so the new control supports staging, auxiliary heat, humidity and ventilation correctly. Remote sensors, schedules and app access are then set up around how your household actually uses the home, rather than left at factory defaults. A simple question about a thermostat that will not hold its schedule is just as welcome as a full upgrade.

The visit

Thermostats & Home Comfort: What the Visit Involves

  1. 01

    Checking compatibility

    The equipment and wiring at both the thermostat and the furnace or air handler are inspected. Whether a common wire is available, and which terminals the system requires, determines which thermostats will work properly.

  2. 02

    Configuring the system type

    The thermostat is configured for the actual equipment: single or multi-stage heating and cooling, heat pump with auxiliary or dual-fuel backup, and any humidifier or ventilation accessories it will control.

  3. 03

    Sensor placement

    Where remote sensors are used, they are placed in the rooms that matter most at different times of day, so bedrooms can lead at night and main living spaces during the day.

  4. 04

    Schedules and a walkthrough

    Schedules, setbacks and app access are set up with you, and the system is cycled through heating and cooling to confirm correct operation. You leave knowing what each setting does.

A slim digital wall control mounted beside a doorway

Making the decision

Smart, programmable or zoned

A programmable thermostat follows a schedule you set. A smart thermostat adds remote access, learning or occupancy features and, often, remote sensors that average or prioritize temperatures from several rooms. Either can serve a home well; what matters more is that the model properly supports the equipment it controls, including staging and heat pump logic.

In larger or multi-level homes, a single thermostat — however capable — can only measure one place. Remote sensors help, but where floors or wings genuinely need different conditions, zoning may be the better answer. Zoning uses motorized dampers in the ductwork and a zone panel so each area has its own thermostat. Whether that is practical depends on the duct layout and equipment, which is reviewed before recommending it.

  • Controls that suit the interior

    Thermostats are placed on interior walls away from sunlight, supply registers and fireplaces, and positioned to sit neatly within the room’s design. Old wall marks and unused openings are considered before the new control is mounted.

  • Zoning in multi-level homes

    Finished lower levels, main floors and bedroom levels behave differently through the year. Zoning can give each its own schedule, provided the equipment and ductwork are suited to it.

  • Fewer controls on the wall

    Where humidifiers, ventilation and multiple systems exist, consolidating their control into fewer, well-configured thermostats can simplify daily use and reduce visual clutter on finished walls.

Questions homeowners ask

Thermostats & Home Comfort: Homeowner Questions

All questions
What is a C-wire, and do I need one for a smart thermostat?

The C, or common, wire provides continuous low-voltage power to the thermostat. Many smart thermostats need it to run their display and wireless connection reliably. Older systems sometimes lack one at the wall, though an unused conductor in the existing cable can often be connected. Where none is available, other wiring options exist, and these are reviewed during the compatibility check.

Why does my heat pump use auxiliary heat so often after a thermostat change?

This is a common configuration issue. If the thermostat is not set up correctly for a heat pump, it may bring on auxiliary heat too readily — during recovery from a setback, for example, or above a sensible outdoor temperature. Proper configuration of staging, lockout temperatures and recovery behavior allows the heat pump to do more of the work, with backup heat reserved for when it is needed.

Do remote room sensors really make a difference?

In many homes, yes. A thermostat mounted in a hallway measures the hallway, which may not reflect the bedrooms or the family room. Remote sensors let the system respond to the rooms you are actually using, and many thermostats can prioritize different sensors by time of day. They balance the reading but do not change how much air each room receives.

Can zoning be added to an existing duct system?

Often it can, though not every system is a good candidate. Zoning requires motorized dampers in accessible duct branches, a zone control panel and a thermostat for each zone. The equipment also needs to handle reduced airflow when only one zone calls, which works best with multi-stage or variable-speed equipment. A review of the ductwork and system determines whether zoning is practical.

Related services

Service areas

Thermostats & Home Comfort Across Our Priority Communities

Request a visit

Ask About Thermostats & Home Comfort.

Call and tell us what you are noticing — a furnace not heating, an AC not cooling, a thermostat or filter question, or a tune-up. Small jobs are welcome. We will help you arrange a visit.

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