furnace

Programmable Thermostat Wiring Diagrams | HVAC Control

Programmable Thermostat Wiring Diagrams | 2 wires – 3 wires – 5 wires 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. Many thermostat manufacturers provide detailed installation instructions with […]

Troubleshooting Electronic Ignition Gas Furnace | HVAC Heating Repair

Troubleshooting Electronic Ignition Gas Furnace – Electronic ignition for gas furnaces is the modern way for furnaces to light the main burners on modern gas furnaces. Furnace technology has evolved from the standing pilot gas ignition systems that continue to be used today however there are less and less standing pilot furnaces used today.  If your […]

Proper Humidity Levels and Factors for Home Comfort & Health | HVAC Health

moist and dry air problems & health

Proper Humidity Levels and Factors for Home Comfort & Health – The Contents and Make Up of Air and Humidity Humidity is important to our home and health and it is important to maintain the correct humidity in our homes and workplaces for our health. What is humidity? Humidity is simply little water droplets in the air. Cold […]

Home Humidity Problems Maintaining Proper Humidity | HVAC Health

Home Humidity Problems – Is 60% Humidity in the Home Too High? HIGH HUMIDITY 60 % +. Within the last month, I moved into a new house. It has dry walls and not plaster walls. The furnace and hot water tank were installed a week or so before we moved in to the house. Last week […]

Honeywell Chronotherm Plus Thermostat – Trane XL19i Condenser

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 with a Trane XV90 – all installed new in new construction in 2003. Every winter, during the morning warm-up from 66 to 70, the burners stays on for […]

Running New Thermostat Wire – New Installation

Running New Thermostat Wire 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 the follow will hopefully help you in […]

2011 Proposed Increase in SEER – EER – AFUE – HSPF

This article is archived for future records. Please refer to DOE website for reference on current energy efficiency guidelines.   10 SEER units cannot be purchased in the US any longer. The new standard as mandated by the Department of Energy as of January 2006 is 13 SEER. This 30 percent increase in efficiency from […]

Two-Stage Gas Furnaces | Heating and Cooling Systems

Two-Stage Gas Furnaces 2-stage gas furnaces are ever increasing in popularity among HVAC manufactures of gas furnaces. The product lines are ever increasing from single stage gas furnaces to two stage gas furnace. The reasoning is that the two-stage gas furnaces are more efficient than the single-stage furnaces. This is according to tests performed using […]

Dangerous Cracked Heat Exchangers in Furnaces | Heating Safety

Dangerous Cracked Heat Exchangers in Furnaces Everyone wants heat when old man winter arrives in the fall. Many times we take it for granted that when the temperature falls all we have to do is go to the thermostat and turn the heat on. Usually, this is not a problem. We turn the thermostat on […]

Trane 90 Plus High Efficiency Gas Furnace | Heating and Cooling

Trane 90 Plus High Efficiency Gas Furnace – This is a Trane High Efficiency gas furnace. It is also called a Trane 90 plus gas furnace because it offers efficiency ratings up to 90 percent plus. Gas or oil furnaces generally cannot achieve efficiency ratings over 95% because of impurities in the fuel including moisture. This […]

Boiler Stainless Steel Exhaust Flue Stack

Boiler Stainless Steel Exhaust Flue Stack This is a photo of a boiler stainless steel exhaust stack which is used for venting corrosive boiler combustion gases. As the flue gases leave the boiler they cool and depending on the dew point of the gas the gas will experience a change of state from a gas […]

Gas Furnace Components 3 | HVAC Heating

Gas Furnace Components | Ignition Controls Gas furnace ignition controls vary from furnace manufacturer to furnace manufacturer. Some are proprietary and some are from an engineering company which specializes in gas furnace ignition controls. Honeywell being a major manufacturer of controls for HVAC also makes several gas furnace ignition controls. Gas furnace ignition controls have […]

Thermostat Wire Colors Code | HVAC Control

What you will learn in this article: 1) What thermostat wire color is likely to go to which terminal on the thermostat 2) The function of each wire terminal on the average thermostat highlighting some of the differences in those functions from manufacturer to manufacturer Sometimes the thermostat is not the problem. Please check this […]

Hot Water Unit Heater Protecting a Mechanical Room

Hot Water Unit Heater Protecting a Mechanical Room Unit heaters are used in various places to protect equipment and provide comfort to occupants. This hot water unit heater provides protection for a mechanical room where there is a large air handler and other associated equipment in the mechanical room. This system is controlled by DDC. A […]

Furnace and Boiler Oil Filters | HVAC Heating

Furnace and Boiler Oil Filters | HVAC Heating Oil burner oil filters are important to keep trash out of the burner gun and plugging the nozzle. A dirty filter can also choke the system from firing properly by preventing the correct amount of oil flow from reaching the nozzle. Oil furnace oil filters or oil […]

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