Carrier Thermostat Intermittent Problem - I have a Carrier thermostat 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 pieces of data remain, but the t-stat just randomly switches between heat, cool and off (doesn’t ever go blank, it just displays “off”).
The switching between each setting might happen every second, or there might be a minute or so between the setting changes.
Wondering where I should begin looking to diagnose the problem.
Paul, Last year my husband and I purchased a brand new gas furnace and air conditioner split system. We followed your advice and want to thank you. It is much improved over the old system and the utility bills are lower. Everything went smoothly with the contractor and installation. It’s been a little cold at night and we’ve been running the gas furnace at night. This morning we found water all over the floor near the furnace. I never thought furnaces could make so much water. Can you please advise? Why is my furnace leaking water Paul? (more…)
This is a common occurrence for those that have water heaters or older gas furnaces. These types of heat appliances utilize pilot lights to light the main burner. This can turn into a nuisance for both maintaining heat or hot water. If its the water heater you have to re-light the pilot and then wait for the water heater to heat the water. The same for a furnace. You have to light the pilot light and then wait for the furnace to heat the home to a comfortable temperature. There are a few main reasons why this occurs and we will describe them here. It is our hope that you find the solution to your problem because we know it can cause discomfort. It is frustrating to have to constantly re-light the pilot light so you can get hot water or heat. Is it the gas valve and thermocouple or something else? (more…)
Modulating versus two-stage versus single-stage gas furnaces
Armstrong Versus Tempstar Gas FurnaceComparison of Armstrong and Tempstar Gas FurnacesIn this comparison of brands we chose Armstrong versus Tempstar gas furnace premium models. The brand models represent the best those brands have to offer currently. The specific model numbers for these gas furnaces are:
Armstrong A97MV Gas Furnace
Tempstar Ion™ 98 Gas Furnace
Both the Armstrong and the Tempstar gas furnaces are comparable in efficiency and features with slight differences. When we compare models of various brands we want to determine what is best for the consumer and the value of the appliance. When the comparison is this similar it will come down pricing of the equipment and quality of the contractor. Let’s compare components and warranties and see how they measure up.(more…)
Here we will compare Goodman’s premium gas furnace with Ducane’s premium gas furnace with our comparison matrix and then go over each feature to let you know which feature is best. This allows you to make better choices when purchasing new HVAC equipment. It also helps you understand what you are buying. Use our comparison matrix along with our individual technical and consumer reviews to help you when purchasing a new gas furnace.
The History of Construction Safety - Anyone working in construction nowadays knows that there are mandatory safety standards in place to ensure the safety of workers. Using heavy machinery, working at height or in enclosed spaces, or using dangerous chemicals all have their own set of safe procedures, and ignoring or flaunting these could lead to instant dismissal, or worse, injury or even death. This was however not always the case. (more…)
Smells like gas when my furnace is not running - Hello, I have a gas furnace furnace in my house for home heating. It is located in the attic. My wife and I were in the attic reorganizing some things and the furnace was off. On occasion I got a whiff of gas. I know natural gas is odorless but they add an odorant to the gas so you can smell it. It is a rotten egg smell and that is what I smelled in our attic. Can you please advise us on what to do? Thanks!! And I enjoy reading your site to help me understand my HVAC system. Good Info!!!! (more…)
Benefits of HVAC Controls Building Automation – Modern buildings use DDC controls for building automation systems. Building automation systems offer energy savings because they are energy management systems. These systems allow management to automatically control many processes involved with HVAC systems, lighting, and emergency systems. The systems are generally hooked up to the internet so monitoring and control can be done worldwide. (more…)
Choosing a New Gas Furnace for Your Home - Are you in the market for a new gas furnace for your home? Whether you’re buying a furnace for the first time or you’re ready to replace an existing one in your home, it’s important to do some research. Especially when purchasing a gas furnace before you make a decision.
This is a big purchase for a homeowner—one that should last 15 to 20 years. You want to ensure you’re getting the right furnace for your home at the right price.
Additionally, gas furnace efficiency is becoming increasingly important when choosing a furnace. Utility bills are ever increasing. Making the right selection now can save you a bundle in energy costs in the future. Continue reading to learn how to navigate all of the gas furnace technical reviews online. This will help you make the best decision when it comes to heating your home. (more…)
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 wiring colors and thermostat wiring diagrams. In this article, we will provide specific information for wiring a heat pump for control.
Wiring a heat pump is different than wiring an air conditioner with a gas furnace or boiler. There are extra controls in heat pumps that require extra attention and understanding to get the wiring correct. Additionally, changing an older mechanical thermostat to a newer digital thermostat will require some extra wiring that also may possibly require you to pull new wire to the thermostat from the air handler.
Before doing any wiring for your thermostat or otherwise always make sure you turn off the power at the breaker and the air handler/condenser. You can possibly cause serious damage to your system for not doing so.
Variations for Heat Pump Thermostat Wiring
There are many variations to wiring a heat pump for control because there are many types of heat pumps. Heat pumps provide heating and cooling for a home or business. Heat pumps use the process of refrigeration to move heat in one direction or another depending on the season and the setting of the thermostat. Air source heat pumps have backup methods of heating for two reasons. (more…)
Carrier Thermostat Intermittent Problem - I have a Carrier thermostat 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 pieces of data remain, but the t-stat just randomly switches between heat, cool and off (doesn’t ever go blank, it just displays “off”).
Why is My Furnace Leaking Water? 
This is a common occurrence for those that have water heaters or older gas furnaces. These types of heat appliances utilize pilot lights to light the main burner. This can turn into a nuisance for both maintaining heat or hot water. If its the water heater you have to re-light the pilot and then wait for the water heater to heat the water. The same for a furnace. You have to light the pilot light and then wait for the furnace to heat the home to a comfortable temperature. There are a few main reasons why this occurs and we will describe them here. It is our hope that you find the solution to your problem because we know it can cause discomfort. It is frustrating to have to constantly re-light the pilot light so you can get hot water or heat. Is it the gas valve and thermocouple or something else? 
The History of Construction Safety - Anyone working in construction nowadays knows that there are mandatory safety standards in place to ensure the safety of workers. Using heavy machinery, working at height or in enclosed spaces, or using dangerous chemicals all have their own set of safe procedures, and ignoring or flaunting these could lead to instant dismissal, or worse, injury or even death. This was however not always the case. 
Choosing a New Gas Furnace for Your Home - Are you in the market for a new gas furnace for your home? Whether you’re buying a furnace for the first time or you’re ready to replace an existing one in your home, it’s important to do some research. Especially when purchasing a gas furnace before you make a decision.
