Certified Mitsubishi Electric Ductless & Heat Pump Solutions Across CT
Certified Mitsubishi Electric Ductless & Heat Pump Solutions Across CT
Smart & WiFi Thermostats. Same-Day Service. 5.0-Star Rated.
A thermostat is a small device that controls one of the biggest expenses in your home. When it stops working, stops reading temperature correctly, or simply cannot do what you need it to do anymore, it affects your comfort and your energy bill every single day until it is fixed. Express Home Services installs and repairs thermostats across Connecticut, from simple replacements to full smart thermostat upgrades, with same-day availability and upfront pricing.
The thermostat screen is blank or unresponsive. This can be as simple as dead batteries or a tripped breaker, or it can point to a wiring issue or a failed control board inside the unit.
The temperature in your home does not match what the thermostat shows. A thermostat that is reading the room incorrectly will run your HVAC system at the wrong times, wasting energy and leaving you uncomfortable. This is one of the most common reasons homeowners call for thermostat service.
The system will not turn on, or will not turn off. If your heating or cooling system is not responding to the thermostat at all, or runs constantly and will not shut off, the problem is often in the thermostat itself, not the HVAC equipment it is controlling.
Short cycling. A furnace, heat pump, or AC system that turns on and off repeatedly in short bursts can be caused by a miscalibrated or failing thermostat rather than the equipment itself.
Your thermostat is more than 10 years old. Older mechanical and even early digital thermostats lose calibration accuracy over time and lack the programming flexibility that saves money on modern systems. If yours is original to the house or original to a system installed a decade or more ago, replacement is worth considering even without an outright failure.
You want a smart or WiFi thermostat and do not have one. Plenty of service calls are not repairs at all. Homeowners want the scheduling, remote access, and energy savings smart thermostats offer, and want it installed correctly the first time, properly wired and configured for their specific HVAC system.
Not every thermostat is compatible with every HVAC system, and this is where a lot of DIY installs go wrong. Heat pump systems, multi-stage furnaces, and zoned systems all have different wiring requirements than a standard single-stage system. Express technicians confirm compatibility before installation, handle the wiring correctly, and configure the thermostat to match your specific equipment, not a generic setup.
Whether you are replacing a failed unit, upgrading from a basic model, or installing a thermostat for the first time in a new zone, we handle the full installation: removing the old unit, running or connecting wiring as needed, mounting and wiring the new thermostat, and confirming it communicates correctly with your furnace, heat pump, or AC system before we leave.
Smart and WiFi-enabled thermostats are one of the most requested upgrades we install across Connecticut. They let you control heating and cooling remotely from a phone, build schedules around your actual routine, and in many cases integrate with existing smart home systems.
Express installs and services smart thermostats from the major brands, including Ecobee, Nest, and Honeywell smart models. Installation includes confirming your HVAC system is compatible with the specific smart thermostat model (some heat pump and multi-stage systems need a C-wire or additional wiring that basic installs skip), proper mounting and wiring, WiFi network connection and app setup, programming schedules based on how you actually use your home, and a walkthrough of the app and features before we leave, so you are not left figuring it out on your own.
If you already have a smart thermostat that is not connecting to WiFi, will not hold a schedule, or is not communicating properly with your system, we troubleshoot and repair those issues too. Most connectivity problems come down to wiring (a missing or miswired C-wire is the most common cause), a router or network issue, or a thermostat that needs a firmware update or factory reset performed correctly.
| Basic digital thermostat replacement | $150-250 |
| Programmable thermostat installation | $175-300 |
| Smart/WiFi thermostat installation (Ecobee, Nest, Honeywell) | $250-450 |
| C-wire installation (when needed) | +$75-150 |
| Thermostat repair/troubleshooting visit | Diagnostic fee applies |
These are ranges, not quotes. Express provides a full written estimate before any work begins.
Express Home Services is a family-owned HVAC company serving New Britain, West Hartford, Plainville, New Haven, Farmington, Glastonbury, Manchester, and surrounding Connecticut communities.
Same-day availability. Most thermostat installs and repairs can be scheduled quickly, often the same day you call.
Correct wiring, every time. Thermostat compatibility issues usually come down to wiring mistakes. Our technicians confirm compatibility with your specific HVAC system before installing anything.
Transparent pricing before we start. A written estimate before any work begins, no surprises on the invoice.
5.0-star rated. Express has earned a 5.0-star rating with hundreds of reviews from Connecticut homeowners.
No pressure. If your existing thermostat just needs a repair, we will tell you. We only recommend replacement when it is genuinely the better call for your system and budget.
Express Home Services provides thermostat installation and repair throughout Connecticut. Not sure if we serve your area? Call us or use the contact form, we will confirm your location and get you on the schedule.
Call Monday through Saturday, 7 AM to 7 PM. Free estimates on all new installations and system replacements.
Tired of an old AC system that can’t keep your home cool? Upgrade your comfort today. Get $1,000 off any new central air or ductless mini split installation with Express Home Services.
