Furnaces – Repair & Replacement

Furnaces are ran on natural gas or propane. If your house is fully electric, please see AIR HANDLERS

Size:

Gas Furnaces come in a variety of sizes. They are measured in BTU (British Thermal Unit) Typically the sizes range from 40,000 – 140,000. The sizes are typically 40,000, 60,000, 80,000, 100,000, 120,000 and 140,000 but can come in in between sizes. They can be paired with an air conditioner or for more efficiency, a heat pump.

AFUE:

annual fuel utilization efficiency – This describes the efficiency of your furnace. For Example: If your furnace has a 90% AFUE, basically 10% of your operating cost goes out the chimney. In automobile terms, for every $10 you put into your gas tank, you dump $1 of fuel on the ground.

Comfort-R™ mode:

This is a Trane exclusive feature that can remove up to four times the humidity from your home compared to a standard system.

Blower Motor:

The blower motor is a part of your furnace that is used all year long. In the summer it circulates your air conditioning throughout your home and in the winter it circulates the heat from your furnace. It will run fastest in cooling or heat pump mode and slowest in continuous fan. When running for your gas furnace, it falls between cooling and continuous fan mode.Your furnace runs on alternating current (A/C) which is more expensive to operate than direct current (D/C). The ability to switch from A/C to D/C makes a motor an ECM (Electronically Commutated Motor).

ECM Variable Speed Blower Motor: (THIS IS SOMETIMES CALLED A COMMUNICATING ECM FAN MOTOR) This is the most energy efficient and quietest of all blower motors. It runs about 80% efficient and uses about 413 watts in cooling mode and about 83 watts in continuous fan mode (less than a 100 watt light bulb). It can increase your overall cooling system performance as much as or more than one SEER. It ramps up and down to meet the demands of your thermostat. It will keep your home at a more even temperature and helps eliminate cold/hot spots. It communicates with your furnace to meet the airflow needs of the thermostat. Like the X13 motor, it takes alternating current (A/C) and transfers it into direct current (D/C).

X13 Blower Motor: (THIS IS SOMETIMES CALLES A HIGH EFFICIENCY ECM MOTOR or some variation of that) This is the second most energy efficient of the blower motors. This motor is more efficient that the PSC motor but less efficient than a variable speed motor. It uses about 413 watts in cooling mode and about 200 in continuous fan mode. As ann ECM, it has the ability to transfer alternating current (A/C) to direct current (D/C). Sometimes these are labeled with different speeds (such as four-speed). This means the motor has been made to accommodate different amounts of airflow which are needed by different sized systems. For example, a three ton heat pump needs to move a different amount of air than a five ton. Making this motor a four-speed makes it more universal but will operate in one set speed for heating and one set speed for cooling.

PSC Blower Motor: (THIS IS SOMETIMES CALLED A PSC FOUR SPEED FAN MOTOR or some variation of that) This is the least efficient and loudest of all the blower motors. If this motor is ran in continuous fan mode, it uses as much energy as five 100 watt light bulbs lit all day long (552 watts in cooling mode and 515 in continual fan mode). It runs about 60% efficient. It may be described as having multiple speeds but in this circumstance, the number of speeds it has, describes how universal it is. This motor will have one set speed used in cooling mode and one set speed for heating mode. This motor does not have the ability to transfer alternating current (A/C) to direct current (D/C).

 

Gas Valve:

The gas valve regulates the amount of gas going into your furnace. There are three different types of gas valves. A gas valve can be compared to your garden hose. If you have single-stage heat, it is comparable to your garden hose running either on full blast or off. If you have two-stage heat, it is like having your garden hose on high, low or off. If you have a fully modulating gas valve, it is like having every amount of water in between off and high.

Modulating gas valve: This gas valve is the most energy efficient of all the gas valves. It has the ability to open slowly, adjust to exactly what the furnace needs and close as needed. Some of these gas valves will close slowly, others will snap shut. This is a question to ask before you purchase your new furnace. This is comparable to your garden hose and being able to adjust the amount of water coming out with the amount of water needed.

Two-stage heat: This describes the gas valve that has a high setting and a low setting. This is a more efficient furnace than those with single-stage heat but less efficient than those with a modulating gas valve. This is comparable to the garden hose that is on full power, low or off.

Single-stage heat: This describes a gas furnace that has a gas valve that is either open or closed. This is the least efficient of all the furnaces. This is comparable to the garden hose that is turned all the way on or completely off.

 

Draft inducer:

The draft inducer motor is responsible for assisting the exhaust fumes created by your furnace out of your home. This works in conjunction with a pressure switch. If your draft inducer motor is going out and not getting enough of the fumes out of the flue (venting for the exhaust), the pressure switch will trip and shut down your furnace. These two items are safety features and should be taken very seriously if needed to be replaced.There are different types of draft inducers. The terming of these is similar to those of the blower motor. Just like the blower motor, you can compare the different types of inducer to the settings on your stove.

Variable-speed draft inducer: This is the most energy efficient of all the draft inducers. Like the variable-speed blower motor, this too ramps up and down as called for by the furnace.

Two-speed draft inducer: This is more energy efficient than the single-speed draft inducer but less efficient than the variable speed draft inducer. This would be comparable to having only a high setting and a low setting on the burner of your stove.

Single Speed Draft Inducer: This is the least energy efficient draft inducer. This would be comparable to only having a high setting on the burner on your stove. It is either operating on high or off.

 

Heat Exchanger:

The heat exchanger is the heart of your furnace and if it begins to crack, replacement is recommended. Replacing a heat exchanger is comparable to having open heart surgery. Even if the heat exchanger is under warranty, most times the labor to replace it is not. This is a very expensive repair and when finished you will still have the same old furnace.The cost of this repair is a reason you should be sure the furnace you purchase has a good heat exchanger before it is installed. Most cracked heat exchangers crack near the welding. We recommending making sure you purchase a furnace without a wielded heat exchanger. We have found that crimping is a better alternative and will hold up longer.

 

PRODUCTS

**SELECT MODELS

Communicating XC95m

Up to 97.3% AFUE
60-120 mbth input
ComfortLink™ II capability
Fully modulating gas valve
Three-wire connections
Variable-speed communicating ECM fan motor
Continuous Comfort-R™ mode
Variable-speed draft inducer
Single or two pipe vent options
Digital user interface for easy set up and diagnostics
Silicon nitrate igniter
Fully insulated/gasketed
ENERGY STAR® qualified**

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XV95

Up to 97% AFUE
60-120 mbth input
Two stage heat
Variable-speed communicating ECM fan motor
Comfort-R™ mode
Variable-speed draft inducer
Single or two pipe vent options
Silicon nitrate igniter
Fully insulated/gasketed
Factory wired for humidifier and electronic air cleaner
ENERGY STAR® qualified**

View Brochure

XT95

Up to 95% AFUE
40-120 mbth input
Single-stage heat
High-efficiency four-speed ECM fan motor
Single-speed draft inducer
Single or two pipe vent options
Silicon nitrate igniter
Fully insulated/gasketed
Factory wired for humidifier and electronic air cleaner
ENERGY STAR® qualified**

View Brochure

XR95

Up to 95% AFUE
40-120 mbth input
Single-stage heat
PSC four-speed fan motor
Single-speed draft inducer
Single or two pipe vent options
Silicon nitrate igniter
Fully insulated/gasketed
Factory wired for humidifier and electronic air cleaner

View Brochure

Communicating XC80

Up to 80% AFUE
60-140 mbth input
ComfortLink™ II capability
Two-stage heat
Three-wire connections
Variable-speed communicating ECM fan motor
Continuous Comfort-R™ mode
Two-speed draft inducer
Digital user interface for easy set up and diagnostics
Silicon nitrate igniter
Simplified Trane CleanEffects™ connections

View Brochure

XV80

Up to 80% AFUE
60-140 mbth input
Two-stage heat
Variable-speed ECM fan motor
Comfort-R™ mode
Two-speed draft inducer
Fully insulated/gasketed
Silicon nitrate igniter
Factory wired for humidifier and electronic air cleaner

View Brochure

XT80

Up to 80% AFUE
40-140 mbth input
Single-stage heat
High efficiency four-speed ECM fan motor
Single-speed draft inducer
Fully insulated/gasketed
Silicon nitrate igniter
Humidifier and electronic air cleaner terminals

View Brochure

XR80

Up to 80% AFUE
40-140 mbth input
Single-stage heat
PSC four-speed fan motor
Single-speed draft inducer
Fully insulated/gasketed
Silicon nitrate igniter
Humidifier and electronic air cleaner terminals

View Brochure

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