Frequently Asked Questions

HVAC represents Heating, Ventilation and Air Conditioning. The term is most often used to represent an entire heating and cooling system including the duct work, air filters, humidification controls, and registers.

There are a couple possible reasons. (1) The batteries may be dead, or (2) you have lost power to the furnace. If you believe you’ve lost power to the furnace, check your breakers.

Outdoor units are specifically designed to work in tandem with indoor systems in order to provide the best efficiency and performance. If your outdoor unit fails and the indoor unit is similar in age, it’s best to replace both at that time.

There are a number of things that can cause an HVAC system to freeze up. Homeowners should make sure the air filter is clean and that airflow is not restricted, and then contact a professional technician at Allied Services. Other common causes include low refrigerant, dirty evaporator coils, a defective blower motor, and more.

Zone systems split a home’s duct work into different comfort areas, providing independent temperature control. For example, a living room with large windows may retain too much heat in the summer and feel too cold during the winter. A zoning system regulates the temperature during each season to help compensate for the heat gained or lost through the windows.

When breathed, carbon monoxide attaches to red blood cells and displaces the oxygen our bodies need to survive. Carbon monoxide combines with the red blood cells over 200 times more easily than oxygen and creates a condition known as carboxyhemoglobin saturation. Carbon monoxide, instead of oxygen, then moves into the vital organs through the bloodstream. Organ tissues require oxygen, and without it we start to asphyxiate or suffocate.

No, the manufacturer programs through Allied Services, Inc. do not include “cash and carry.” Installation is included on all heating and air conditioning purchases with Allied Services Inc. This practice ensures the manufacturer warranty is valid. We take 100% responsibility for selling, furnishing, and installing the heating system and/or cooling system you purchase.

Yes! A properly maintained HVAC system will operate efficiently throughout the year. You also should be able to increase the lifespan of your system by making sure it’s cleaned on a regular basis. Failure to properly maintain a system is the number one cause of failure.