Thermostats Category Index
Carrier Thermostat Troubleshooting Advanced Repair
Carrier Thermostat Troubleshooting - I have a Carrier thermostat with an intermittent problem that recently has started to oscillate between off, cool, and heat, seemingly randomly. We set the temps for cooling and heating, time, day, and all of those programmed...
How to Wire a Heat Pump for Control | Thermostat Wiring Guide
How to Wire a Heat Pump for Control - There may be a time when you will want to change your old heat pump thermostat with a new heat pump thermostat. We have other articles here that will help you with thermostat wiring. These other articles help you with thermostat...
Thermostat Wiring Instructions not Matching New
Thermostat Wiring Instructions not Matching New - I have a slightly older Rheem unit with the typical slide temp adjuster thermostat. I want to replace the old Thermostat with a digital, TP-N-721 from Vive Comfort that I have (not programmable, just digital. My...
Honeywell Heat Pump Thermostat Troubleshooting
Honeywell Heat Pump Thermostat Troubleshooting. Hello Richard! We have a Honeywell VisionPro (8000) thermostat with a Carrier heat pump that has two stages for heating and cooling. We are having problems with the staging of the system, especially in heating mode. I...
Two-Stage Furnace Air Conditioner Thermostat Control Problem
Two-Stage Furnace Air Conditioner Thermostat Control Problem | Hi I was wondering if you can help me with a two thermostat… because I don’t think my condenser is using the second stage…. I open the thermostat and see the jumpers, but is there a way you can illustrate...
Thermostat Terminal Designations Explanations
Thermostat Terminal Designations Explanations - You are wiring a new thermostat or about to wire a new thermostat and you want to understand what the terminal designations are on your old and your new thermostat. Why is it such a mystery with these terminal...
4 Wire or 5 Wire Thermostat Wiring Problem
4 Wire or 5 Wire Thermostat Wiring Problem - Question: We have a 19-year-old condo with an old Carrier mercury thermostat. We have both a natural gas furnace and an AC unit. There are only four wires going into the existing thermostat - red, green, blue, white. On the...
How Can I Tell 1 or 2 Transformers for Heating Cooling System
How Can I Tell 1 or 2 Transformers for Heating Cooling System? I get this question a lot and I also see this question used in my stats on how people find the site but I do not believe I have directly addressed or dedicated an article to this subject yet but there are...
Programmable Thermostat Wiring Diagrams | HVAC Control
Programmable Thermostat Wiring Diagrams - Installing a programmable thermostat is not unlike installing any other thermostat for your HVAC system. The key is to get the right thermostat for your HVAC system. And to make sure it is wired properly.The subbase of a...
Heat Pump Thermostat Wiring Chart Diagram – HVAC
Heat Pump Thermostat Wiring Chart Diagram - HVAC - The following graphics are meant as a guide only. Always follow the manufacturer's instructions for both the thermostat and the HVAC system. Additional articles on this site concerning thermostats and wiring can help...
Thermostat Wiring Diagrams – HVAC Control
Thermostat Wiring Diagrams - Heat pumps are wired for HVAC control far differently than air conditioning systems so make sure you know the difference and correctly identify the type of HVAC system you have installed. Additionally, before you decide to change your...
Basic Thermostat Wiring Colors – Air Conditioner Systems
Basic Thermostat Wiring Colors - Air Conditioner Systems - Always remember when changing a thermostat for a new thermostat to take a photo of the colors and where they go on the old thermostat or get a pencil and paper and write it down. It is better to take a good...
How to Wire an Air Conditioner for Control 5 Wires
What you will learn from the How to Wire an Air Conditioner for Control 5 Wires article: This article includes a comprehensive table showing thermostat wire terminations for an air conditioner and a source of heat that includes five wires A...
HVAC Products Containing Mercury and Proper Disposal
HVAC Products Containing Mercury and Proper Disposal - Mercury is extremely harmful to the environment and causes severe health problems in humans and animals. For many years HVAC and HVAC Controls manufacturers have used mercury in switches. Mercury is a liquid metal...
Honeywell Chronotherm Plus Thermostat – Trane XL19i Condenser
Honeywell Chronotherm Plus Thermostat - Trane XL19i Condenser - I have a Honeywell Chronotherm Plus 8624D running a Trane XL19i Air Conditioner with a Trane XV90 Gas Furnace - all installed new in new construction in 2003. Every winter, during the morning warm-up from...
Data Logging Thermostats | HVAC Control
Data Logging Thermostats - High Performance HVAC Air Conditioning & Heating Thermostats 1) Question: Is there a thermostat for a nursing home with a printout for temperature verification? The answer..... Yes, data logger thermostats can be found here. But read on...
Successful Thermostat Installation Advice | HVAC Installation Advice
Successful Thermostat Installation Advice - High Performance HVAC wants you to be successful at the installation of your new thermostat so we ask that you read the pages here at High Performance HVAC carefully before you attempt to install your new thermostat. If...
All About Thermostat Wire – HVAC Control
Thermostat Wire - Thermostat wire comes in a bundle with the outer jacket being either brown or white. The bundle can have anywhere from 2 conductors inside the bundle or outer jacket and all the way up 8 or 10 conductors inside the outer brown or white jacket. The...
What Temperature Should I Set My Programmable Thermostat To | HVAC Control
What Temperature Should I Set My Programmable Thermostat To - 4) Please confirm this advice if you would; it is better to have your thermostat left at 70°F. to 72°F. during the day while your home is empty and adjusts accordingly when you get home as opposed to...
Running New Thermostat Wire | HVAC Heating and Cooling
Running New Thermostat Wire - It is possible that you may have to run a new thermostat wire from the air handler or furnace to the location where the existing thermostat is located. Running new thermostat wire can challenging even for professionals. If you must then...
How a Programmable Thermostats Works | HVAC Control
How a Programmable Thermostats Works - Programmable thermostats can save you more than ten percent on your homes utility bills. For that reason a programmable can pay for itself within a few years depending on the type and expense of the type you purchase. I always...
Thermostat Wiring Colors Code | HVAC Control
Thermostat Wiring Colors Code Page Navigation Essential Thermostat Wiring Color Guide Including Manufacturers Instructions Thermostat Terminal Designations Quick Guide - Detail Wiring Color Guide Below Red-Wire - connects to the R terminal with the red wire RC-Wire -...
Types of HVAC Thermostats | HVAC Control
Types of HVAC Thermostats | HVAC Control There are many different types of thermostats. Thermostats also have various levels of complexity. Below is a list of the basic thermostat types. As we have time we will update the list to make sure it is as comprehensive as...
Thermostat Selection Guide | HVAC Control
Thermostat Selection Guide - This article will help you select the right type of thermostat for the HVAC system you have installed. It offers a comparison matrix for you to choose the right thermostat replacement. Get it right the first time!!! So you have made a...
The Mercury Switch Thermostat | HVAC Control
The Mercury Switch Thermostat | HVAC Control - Mercury switch thermostats are not available for purchase in many states. They have been banned because they contain mercury, and it is important to properly dispose of these thermostats that contain mercury if they are...
White Rodgers and Honeywell Thermostats | Thermostat Selection
White Rodgers and Honeywell Thermostats - Which type and brand of thermostat do you get when selecting a new thermostat? To do that you have to know what kind of HVAC system you have installed for your heating and cooling system. Do you have a hot water boiler with...
Heat Pump Thermostats | HVAC Heating and Cooling
Heat Pump Thermostats - To the average person a heat pump thermostat can be a very complicated thermostat compared to the typical thermostat which serves an air conditioning system with gas, electric, or an oil furnace. Of course, the heat pump thermostat typically...
Troubleshooting Broken Thermostats | HVAC Control
What you will learn from the Troubleshooting Broken Thermostats article: One of the most common trouble calls for HVAC heating and cooling Basic checks of the HVAC System thermostat to see if it is broken or? The basics of the thermostat for an...
Wireless WIFI Smart Thermostats | HVAC Control
Wireless WiFi Smart Thermostats - The future of wireless thermostats have already arrived as there are a handful of wireless thermostats available on the market now. These are the forefathers of wireless thermostats and offer basic functions that the average wired...
How to Hook Up a Home Thermostat | HVAC Control
How to Hook Up a Home Thermostat - If you need to install a new thermostat then you have found the right place to learn. Below we will describe to you how to hook up a new digital thermostat. Whether the old thermostat is bad or not if you simply want to replace your...
Blank Display on Thermostat Problem – Screen Disappeared
Blank Display on Thermostat Problem - Screen Disappeared - The thermostat display is our interface with our HVAC equipment. The display lets us know what the temperature is in the house. The display tells us what the desired settings are including letting us know the...
How to Wire a Thermostat | HVAC Control
What You Will Learn from this How to Wire a Thermostat Article: the most common trouble call by service and repair HVAC companies about thermostat wire with a resource for more information the best advice for changing your thermostat the most...
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