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Roberts Heating and Air
Heating and Air FAQ's
Please note that we are keeping FAQ's to a minimum. We love to hear from you and feel that we can better serve you over the phone. Therefore, if you do not see something that is useful to you please call us. That way we can provide you with much better and much more specified heating and air service from Fort Collins to Cheyenne.

How often do I need to have my equipment serviced?
We recommend each system be cleaned and tuned up annually. Heating and air efficiencies can be severely compromised by dirty equipment or by systems not being installed correctly. Annual maintenance ensures the equipment's optimum efficiency.

How often do I need to change my filter?

We recommend that standard filters be changed monthly. Specialty filters can be changed every six months to a year. Please contact us to find out what kind of heating or air filter you have and how often you should be changing them. Dirty filters can drastically reduce the efficiency of you system and in extreme cases can cause the system to malfunction. Don't let your filter be the reason your comfort and energy efficiency is compromised.
How should home owners pick an HVAC contractor to work with?
The BBB is a great way to check but it is difficult to find companies that are more than parts changers. Take the time to interview the company and make sure that when they do a tune up they are actually taking the time to “tune it up”. Ask them about the procedure and what is included. Find out and ensure that when new equipment is being installed that they give you a detailed commissioning report on the installation.

How do I know when it is time to repair or replace?
We never want to try and push a customer to replace a piece of equipment before its time is up. We suggest that you weigh the cost of what the equipment is doing for you now versus what a new installation could do for you in the future. If energy use and overall comfort are not a concern then we suggest you get the facts on the condition the piece of equipment is in and as long as it not creating a safety hazard for you or your family then stick with it. Testing can be done to see what the efficiency is of your old equipment and an energy cost analysis can be done to let you know what potential savings are going to be on new equipment.

What do I do if my furnace does not come on?
Step 1: Check to make sure that the thermostat is set to heat and that there is a demand for heat. If there is no display on the thermostat, make sure that the power is on to the unit. If there appears to be power but no display, please call to schedule an appointment.

Step 2: Check to see that the gas supply is on to the equipment.

Step 3: If the equipment seems to be running but there is no heat coming out, check the furnace filter, change if necessary, reset power to the furnace and see if the system responds. If the furnace fails to respond, please call to make an appointment. You may also browse our furnace and thermostats or call for a free consultation.

What do I do if my air conditioner is not working?
1: Determine if there is airflow coming out of the ductwork. Is the airflow cold or room temperature? If the temperature of the air is not cold, determine if the outdoor condensing unit is running. If it is not running, please check the electrical breaker to see if it has been tripped. If the breaker has not been tripped, please call us to make an appointment.

2: If the outdoor unit is running and there is airflow but no cooling, please check the filter on your furnace and make sure the vents are open in your home.. A dirty filter or restricted ductwork can reduce pressures inside an air conditioner so it will not run properly. Please check both these items and retry. If the system fails to respond, please call for an appointment.

3: If the indoor and outdoor units are both running but there is no air coming from the ductwork. Please shut the system down, inspect the filter. Many times a plugged filter will cause the indoor section of the air conditioner to freeze up and block air flow. If this is the case, replace the filter and shut the system of for a few hours. This will give time for the system to thaw out. When this happens, the indoor section of the air conditioner may overflow the drain pan and make a mess on the floor. This is because the drain pan cannot handle the amount of water that it is trying to hold. This should stop when the system starts functioning again. If none of these solutions work, please call to make an appointment.

What is SEER, EER and HSPF (Btu)?
Seasonal Energy Efficiency Ratio (SEER), is most commonly used to measure the efficiency of a central air conditioner. The higher the SEER, the more efficient the system. SEER measures how efficiently a cooling system will operate over an entire season.

• In technical terms, SEER is a measure of equipment the total cooling of a central air conditioner or heat pump (in Btu's) during the normal cooling season as compared to the total electric energy input (in watt-hours) consumed during the same period.

• In basic terms it is determining how many btu’s you are getting over the average year of use. The higher the SEER the less money it takes to operate it.

Energy Efficiency Ratio (EER) is a measure of how efficiently a cooling system will operate when the outdoor temperature is at a specific level. The higher the EER, the more efficient the system.

• In technical terms, EER is the steady-state rate of heat energy removal (i.e. cooling capacity) by the product measured in Btuh divided by the steady-state rate of energy input to the product measured in watts. This ratio is expressed in Btuh/watt.

• In basic terms it is how many btu’s you get for every watt of electricity you pay for. The higher the EER the more efficient the system. The higher the EER the less money it will cost to run it.

Both SEER and EER are included in the ENERGY STAR specification because each rating indicates the energy efficiency of the product under different operating modes. SEER rating more accurately reflects overall system efficiency on a seasonal basis and EER reflects the system’s energy efficiency at peak day operations. Both ratings are important when choosing a product.

Heat Seasonal Performance Factor (HSPF) is the most commonly used measure of a heat pumps heating efficiency. The higher the HSPF, the more efficient the heat pump.

• In technical term, HSPF represents the total heating output of a heat pump (including supplementary electric heat) during the normal heating season (in Btu) as compared to the total electricity consumed (in watt-hours) during the same period. HSPF is based on tests performed in accordance with AHRI 210/240 (formerly ARI Standard 210/240)1.

• In basic terms, HSPF is how much you spend to get a certain amount of heat out of a piece of equipment. The higher the HSPF the less money you will spend to operate it.

What is AFUE?
AFUE is defined as Annual Fuel Utilization Efficiency. It is essentially how efficient is a piece of equipment at converting fuel to energy. The fuel in most cases being natural gas, propane or fuel oil.

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