Tempstar Package Unit Reviews | Consumer Ratings

Tempstar Package Unit Reviews | Consumer RatingsTempstar Package Unit Reviews - Tempstar packages can be purchased in configurations of hybrid heat pumps with backup electric heat, air conditioners with optional backup electric heat, heat pump package units and air conditioner package units with gas heat also referred to as gas packs. Tempstar package units are primarily produced for residential and light commercial use. (more…)

Tempstar Two-Stage Gas Furnace Reviews | Consumer Ratings

Tempstar IIS 90 Two Stage Gas Furnace Reviews | Consumer RatingsTempstar Two-Stage Gas Furnace Reviews - The Tempstar IIS 90 Two-Stage Gas Furnace in model series T9MPT Tempstar gas furnace line-up offers up to efficiency up to 92% and is listed as an Energy Star rated gas furnace.

This is an archive review. This particular model may or may not be available.

The key feature of the Tempstar IIS 90 Two-Stage gas furnace aside from the efficiency of the furnace is the lifetime warranty on the heat exchanger. The 7-year no-hassle replacement warranty is okay but I have reservations about it. (more…)

Tempstar Gas Furnace Reviews | Consumer Ratings

Tempstar Gas Furnace Reviews | Consumer RatingsTempstar Gas Furnace Reviews - Tempstar gas furnaces range in efficiency ratings from 80% AFUE to 97% AFUE. Tempstar’s parent company is United Technologies which is the same company that owns Heil, Carrier, and Bryant so Tempstar has some characteristics in their products that are similar to those individual HVAC manufacturers. Features of various Tempstar Gas Furnaces are (please see the individual reviews for the particular model of gas furnace you intend on purchasing. If it is not listed on this site please email us and we will do a technical review for you on the particular model of Tempstar gas furnace): (more…)

Tempstar Heat Pump Reviews – Consumer Ratings

Tempstar Heat Pump Reviews - Consumer RatingsTempstar Heat Pump Reviews - Consumer Ratings - Tempstar offers heat pump models in energy efficiency ranges from 13 SEER 7.7 HSPF to 19 SEER 11 HSPF. Tempstar offers a variety of warranties depending on the Tempstar heat pump product you select and typically the higher efficiency ranges get the better warranties with a Tempstar heat pump.

Efficiency rating also depends on the capacity or tonnage of the unit purchased for Tempstar heat pumps. To get the best energy efficiency, a matched system should be purchased. Some of Tempstar’s heat pumps are Energy Star rated. Some features of selected Tempstar heat pumps are: (more…)

Tempstar Air Conditioner Reviews | Consumer Ratings

Tempstar Air Conditioner Reviews | Consumer RatingsTempstar Air Conditioner Reviews | Consumer Ratings - Tempstar offers air conditioners with efficiency ratings from 13 SEER to 19 SEER. Their air conditioners are mainly used for residential and light commercial applications and Tempstar air conditioners offer split system air conditioners, Tempstar package unit air conditioners, and gas packs, and mini-split air conditioners. Select Tempstar central air conditioners qualify for the Energy Star label and offer you savings through energy efficiency. Various features of selected Tempstar air conditioners are: (more…)

Thermostat Wiring Colors Code | HVAC Control

Thermostat Wiring Colors Code Page Navigation

    1. Essential Thermostat Wiring Color Guide Including Manufacturers Instructions
    2. Thermostat Terminal Designations Quick Guide - Detail Wiring Color Guide Below
      • Red-Wire - connects to the R terminal with the red wire
      • RC-Wire - connects to the RC terminal RC red
      • RH-Wire - connects to RH terminal RH heat
      • Y-Wire - connects to the Y terminal and is for cooling stage 1 with the yellow wire
      • Y2-Wire - connects to Y2 terminal and is for cooling stage 2
      • W-Wire - connects to W terminal and for heat stage 1 with the white wire
      • W2-Wire - connects to W2 terminal and for heat stage 2
      • G-Wire - connects to G terminal and for fan operation with the green wire
      • C-Wire - connects to C terminal (common 24v power) with the C wire
      • O or B-Wire - connects to O or B terminal and is for reversing valve operation
      • E-Wire - connects to E terminal and is for Emergency heat
      • X or Aux-Wire - connects to X terminal and is for auxiliary
      • S1 and S2 Wires - connects to S1/S2 terminals and is for outdoor temperature sensor
    3. Thermostat Wire Color Code Chart
    4. Tracing the Wire to the Source
    5. Additional Resources

    What you will learn in the Thermostat Wiring Colors Code article:

    1. First, what thermostat wire colors is likely to go to which terminal on the thermostat in your heating and cooling system
    2. Secondly, the function of each wire terminal on the average thermostat highlighting some of the differences in those HVAC system functions from manufacturer to manufacturer as recommended for thermostat wire color
Sometimes, the thermostat is not the problem. Please check this article for a checklist of things to check before calling a heating and cooling repair service.

Thermostat Wiring Colors Code | HVAC Control


Thermostat Wiring Colors CodeAlways follow the thermostat manufacturer’s instructions whenever changing the thermostat. Always turn the power off at the air handler and the condenser and make sure there is no voltage at the transformer before proceeding.

  • Furthermore, the thermostat wire colors below are the most likely colors used for most installations; however, your thermostat wire colors may be different than what the indication is here. There is no official standard for thermostat wire colors. Additionally, thermostat wiring colors are not standardized. However, these are the most wiring methods used based on my years of experience in the HVAC field, where I successfully wired a lot of thermostats and as recommended by manufacturers and common sense for thermostat wiring colors code.

    For instructions on how to wire a thermostat, please see how to wire a thermostat page. Refer back to this page for thermostat wire colors.

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  • Troubleshooting Broken Thermostats | HVAC Control

    What you will learn from the Troubleshooting Broken Thermostats article:

    1. One of the most common trouble calls for HVAC heating and cooling
    2. Basic checks of the HVAC System thermostat to see if it is broken or?
    3. The basics of the thermostat for an HVAC system
    4. Learn what a heating anticipator is and what type of thermostat uses them.
    5. Fixing a Broken Thermostat for an HVAC System
    6. Finally, lots of related useful links to help you learn your heating and cooling HVAC system

    Troubleshooting Broken Thermostats - The main connection between the air conditioning and heating system and the end-user is the thermostat. Beyond the air conditioning and heating thermostat, many people know nothing about the HVAC systems that keep them comfortable year-round. While the thermostat may be the problem, make sure you eliminate other possible heating and cooling problems.
    (more…)

    Blank Display on Thermostat Problem – Screen Disappeared

    Blank Display on Thermostat Problem
    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 setpoint setting the temperature.

    Some displays give us time, and the newer modern displays show us family photos like a screensaver on our computer. But what happens when the display is not there, or there is a blank thermostat display or no display on the thermostat?

    Is it a bad thermostat or something else that caused the display to disappear? What do you do when the thermostat screen is not working? (more…)

    How to Wire a Thermostat | HVAC Control

    What You Will Learn from this How to Wire a Thermostat Article:

    1. the most common trouble call by service and repair HVAC companies
    2. about thermostat wire with a resource for more information
    3. the best advice for changing your thermostat
    4. the most common mistakes made by DIY thermostat changers
    5. the importance of identifying the type of HVAC system you have so you will select the proper thermostat.
    6. advisory and disclaimer for installing a new thermostat
    7. list of tools commonly needed to install a new thermostat
    8. step by step instructions on changing your thermostat along with hints and tips for making the job easier
    9. lots of extra links to other articles to make sure you completely understand everything you need to know. (and more about thermostats, thermostat wire, and installing a new thermostat)
    10. Resource to color codes to make it easier for installation.
    11. some thermostat wire diagrams at the end of the article
    12. You can save energy for your heating and cooling system by installing an energy-saving 7-day programmable thermostat or a setback thermostat.
    13. lots of comments from our readers
    14. thermostat wiring instructions are good for most low voltage room thermostats including a smart thermostat.

    (more…)