- HEP Heat and Air
- Existing HVAC Equipment

Existing HVAC Equipment
Existing HVAC Equipment | Thermostat Upgrades | Heating and Air Conditioning | Jefferson City
When your Jefferson City home’s comfort swings from humid afternoons to frosty mornings, the difference between wasted energy and year-round efficiency often comes down to an inch-wide control on the wall. HEP’s certified technicians specialize in thermostat upgrades that sync flawlessly with your existing HVAC equipment, giving you precise temperature management without the cost of a full system replacement. From smart learning thermostats that adjust to your routine to rugged programmable models ideal for rental properties, we install, calibrate, and connect everything so you can monitor comfort from across the room—or across the country.
Homeowners who choose HEP enjoy lower utility bills, longer equipment life, and the peace of mind that comes with 24/7 local support. We’ll help you unlock advanced features like zoning, humidity balance, and real-time energy reports, all tailored to the quirks of Jefferson City’s climate. Ready to start saving? Schedule your thermostat upgrades consultation today and feel the difference with the next tap of your screen.
FAQs
Will a new thermostat work with my existing HVAC system in Jefferson City?
In most cases, yes. Nearly all modern thermostats are designed to communicate with standard 24-volt (low-voltage) heating and air-conditioning equipment found in Jefferson City homes, including single-stage furnaces, multi-stage systems, air-source heat pumps, and dual-fuel setups. During our free assessment we check the control board, confirm whether a common (C) wire is available, and verify the number of heating and cooling stages. If you have line-voltage baseboard heaters, a communicating inverter system, or older mercury thermostats, we’ll recommend specific compatible models or any needed adapter kits.
What types of thermostat upgrades do you offer?
We stock and install a full range of replacement thermostats: • Basic digital non-programmable units for simple, reliable temperature control. • 5-2 and 7-day programmable thermostats that automatically adjust temperatures for weekday/weekend schedules. • Wi-Fi smart thermostats from brands such as ecobee, Honeywell Home, Google Nest, and Emerson Sensi, which provide app/voice control, geofencing, weather-responsive routines, and energy-use reports. • Touchscreen thermostats designed for multi-stage or variable-speed equipment. • Zoning and dual-fuel compatible controls that can manage multiple dampers or switch between gas and heat-pump modes based on outdoor temperature.
How much can I save by upgrading to a smart thermostat?
The U.S. Department of Energy estimates heating and cooling costs can drop 8-15 % with proper use of programmable or smart thermostats. Jefferson City’s mixed heating-cooling climate means potential year-round savings. For a typical mid-Missouri household spending $1,200 annually on HVAC utility costs, that translates to $100–$180 back in your pocket each year. Additional app-based insights help you fine-tune schedules, set vacation modes, and receive reminders to change filters, pushing savings even higher.
Can I install a replacement thermostat myself, or should I hire a professional?
A homeowner with basic electrical skills can often swap a simple thermostat, but professional installation is strongly recommended for smart, multi-stage, or heat-pump systems. Our licensed technicians: 1. Shut off power at the service switch to protect your equipment. 2. Verify and label every wire, including the C-wire or accessory wires. 3. Update firmware, integrate the thermostat with Wi-Fi, and configure advanced settings such as compressor lockout temperatures. 4. Test heating, cooling, and fan modes to ensure the equipment cycles safely. 5. Provide hands-on training so you know how to adjust schedules and use the app. Professional installation also preserves manufacturer warranties and minimizes the risk of wiring errors that could damage expensive control boards.
Are there any rebates or incentives for thermostat upgrades in Jefferson City?
Yes. Utilities serving Jefferson City typically offer instant or mail-in rebates of $25–$100 for qualifying ENERGY STAR® smart thermostats. For example, Ameren Missouri’s Smart Savers program currently provides a $50 bill credit when you enroll an approved Wi-Fi thermostat in their demand-response program. City of Jefferson energy-efficiency loans and the Missouri Division of Energy’s HERO financing can also cover thermostat upgrades when bundled with other HVAC improvements. We’ll guide you through the paperwork and apply any eligible rebates up front so you see immediate savings.
How long does thermostat installation take, and will my heating or cooling be interrupted?
A straightforward replacement with existing wiring typically takes 30–45 minutes. More complex jobs—such as pulling a new C-wire, integrating zone controls, or configuring dual-fuel lockouts—can extend the visit to about 90 minutes. Your HVAC system is powered off only while we disconnect and reconnect the control wiring, usually less than 15 minutes, so comfort disruption is minimal. We schedule appointments Monday-Saturday and offer same-day emergency service during peak heating or cooling seasons to ensure your home never stays uncomfortable for long.